IBM System/34 Maintenance Manual Download

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Summary of Contents for System/34

Page 1: ...SY31 0457 5 IBM System 34 5340 System Unit Maintenance Manual...

Page 2: ...I o SY31 0457 5 IBM System 34 5340 System Unit Maintenance Manual I...

Page 3: ...nnounce such IBM products programming or services in your country Publications are not stocked at the address below Requests for copies of IBM publications and for technical information about the syst...

Page 4: ...g of words and abbreviations used in this maintenance manual There are several DANGER and CAUTION messages in this manual You can use the blank lines below each message to translate it into your own w...

Page 5: ...operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever meas...

Page 6: ...DISKETTE DRIVE 27 000 72MD DISKETTE MAGAZINE DRIVE 30 000 MULTILINE COMMUNICATIONS ADAPTER U 31 000 DATA COMMUNICATIONS FIRST OR SECOND COMMUNICATIONS ADAPTER 40 000 1255 MICR ATTACHMENT 45 000 INSTAL...

Page 7: ...r...

Page 8: ...e de activated see paragraph 05 315 Safety 05 315 Power AC Box When K1 and K2 are de activated a voltage is still present in the circuits that are supplied by the points of the contactors The voltage...

Page 9: ...D Diskette Drive Solenoid and Bail Service Check Voltage is still present at the power connector when the diskette drive solenoid and bail are l disconnected and power is on 25 530 53FD Solenoid and B...

Page 10: ...is on 27 690 72MD Index Sense PTX Output Service Check Voltage is still present at the power connector when the drive motor power cable is disconnected and power is on 27 800 72MD Driver Board Output...

Page 11: ...er 60 pounds 11 After maintenance restore all safety devices such as guards shields signs and grounding wires 12 Each Customer Engineer is responsible to be certain that no action on his part renders...

Page 12: ...l and Parts Catalog Volume B 01 032 Theory Diagrams Manual Volume C 01 034 Field Service Logics Volume D 01 070 MAP and Maintenance Manual Section Numbering 01 080 MAP Numbering 01 090 Maintenance Man...

Page 13: ...1 110 01 030 Maintenance Manual and Parts Catalog Volume B The maintenance manual contains information that you will need when using MAPs This information includes Service checks Adjustments Removal a...

Page 14: ...manual are written as in the following example PERFORM THE DISK BRAKE SERVICE CHECK 09 050 Example _ 09 050A 11 When used this letter matches a letter on a figure These three digits the paragraph num...

Page 15: ...ry points System entry MAPs contain general questions that send you to the area MAP for the machine function that is failing An area MAP contains specific questions that send you to a unit MAP The uni...

Page 16: ...1 L L Work Station Data Communi Printer Controller Printer Controller cation Unit Unit MAP 07XX Unit MAP 08XX Controller Unit MAPs31XX MAP l1XX 39XX t IPL Function 5211 3262 5251 5252 Failure Mainten...

Page 17: ...the START conditions are met Always power down before removing or installing a fuse cable or card unless you are instructed not to 5 When a MAP indicates that a card or cable is bad do the following...

Page 18: ...obing Information How to Prepare the Probe for Use Input Voltage Levels of the Probe What the Probe Lights Mean Machine Voltage Levels How to Check the Probe for Correct Operation 02 070 Features 02 0...

Page 19: ...make the probe ready for use do the following Set the TechnolQgy switch to the Multi position Set the Latch switch to the None position Set the Gate Ref switch to 1 4V Attach the red lead to any conv...

Page 20: ...eries of narrow positive pulses with a frequency of less than 30 pulses per second UP light ON The point being probed has a DOWN light Flashing series of narrow negative pulses with a frequency of les...

Page 21: ...Using the multimeter verify that the voltage measured from pin 003 to pin 008 is between 4 5 and 5 5 volts DC 3 4 5 6 7 8 9 Set the Latch switch on the probe to the None position Set the Technology sw...

Page 22: ...rame and drive B is on the bottom frame 62PC 63 9 Mb Drive A 128 4 Mb Drives A and B Drive A is always on the top Drive B is always on the bottQm 192 9 Mb Drives A B and C 257 4 Mb Drives A B C and D...

Page 23: ...orage Area for Diagnostic Diskette C gate A gate A1 A2 A3 Processing Unit Input Output Board Feature Input Output Board B1 t Not used B2 B3 MLCA Maximum Configuration Features Right Side View 02 070 I...

Page 24: ...er IBM part 1749299 and head phone IBM part 2728116 These tools which are not shipped with the system are used for the integrated modem transmit level adjustment Note You can use the dB adapter IBM pa...

Page 25: ...assembly 8 If your system has a 33FD diskette drive you will need the following special tools and supplies 33FD alignment tool IBM part 2200698 shipped with the system Diskette head cleaning tools Br...

Page 26: ...ilter Assembly 05 360 DC Distribution Assemblies 05 370 Power Logic Board C A1 05 400 Power Fault Indications 05 401 System Power Off Conditions 05 410 Power Fault Registers 05 420 Dply Pwr Chk Switch...

Page 27: ...l Because of the charge on the capacitors in the arc suppression networks across K1 K2 and K4 a voltage is still present on all circuits supplied by the contactor points when K1 and K2 are de activate...

Page 28: ...535 Connectors J13 and J14 12 Position Board Connector Pin configuration same as connector J1 above Pin Side PIN 1295545 CAUTION The board connectors might not be installed as shown in these drawings...

Page 29: ...2777213 4 Key 134 I I 1 345678 3 4 5 6 7 8 9 10 11 12 12 11 10 9 8 7 4 3 3 4 5 6 7 8 9 10 11 1213 14 1516 11 11111 Key 16 15 14 13 12 11 10 9 8 7 6 5 4 3 1 2 3 4 5 6 6 5 4 3 2 05 210 Connector J19 2...

Page 30: ...rd Connector B05 DOS DOS 61 U B05 Pin Side Pin Side B06 006 006 DiG U B06 PIN 817329 PIN 818554 B07 D07 D07 B01 B08 008 008 IaI a a BOS B09 009 009 a D B09 B10 010 010 iii B B10 B11 011 011 ill 1m B11...

Page 31: ...Board Connector Pin Side B02 D02 PIN 813329 B03 D03 B04 D04 B05 D05 B06 D06 1 B07 D07 B08 D08 B09 D09 B10 D10 B11 D11 B12 D12 B13 D13 G02 J02 G03 J03 G04 J04 G05 J05 G06 J06 G07 J07 G08 J08 G09 J09 G1...

Page 32: ...C 05 220 Base Distribution Assembly __ E10 Control Power Supply PCB Feature Distribution Assembly C A1 Power Logic Board U iH H Fo e Control Supply Status Indicator Power Compartment Thermal Sensor Po...

Page 33: ...05 230 Left Side View IPOSwitch ___ r ACBOX __ __rT Base Ferroresonant Transformer 8 CB1 ACTB1 AC Frame Ground Bus Base AC Capacitor C 65 05 230 Load r Power CR50 CR51 Front...

Page 34: ...05 240 J Connector Locations o 05 240 J19 J23 J24 see 05 640 Power 9...

Page 35: ...05 250 Back Side View 10 C Bl Board Feature Power Supply G Filter Assembly Feature Power Supply G Ferroresonant Transformer en I Feature Power Supply G AC Capacitor Feature AC Box c 05 250...

Page 36: ...05 260 Feature Power S ocatlons Connector L upply G C B1 GB1 Board C B1J7 C 05 260 Power 11...

Page 37: ...ernative for some countries K2 F203 Feature Power Supply C F201 Feature Power upply A F204 Feature Power Supply D i l L Diode Assembly RC1 Alternative for some countries RC2 Alternative for some count...

Page 38: ...s across the points of the contactors Fuse CB 1 20A 5565214 F301 4 5A 2495471 F302 0 3A 254628 F201 1 25A 252592 F202 1 25A 252592 F203 2 0A 92734 F204 1 25A 252592 IPO Switch F401 7A 2495463 24 Vdc 0...

Page 39: ...5 Ferroresonant Capacitor 14 J20 _ F 101 _ F1 04 I J21 F103 A 4 F1 02 Note For connector pin locations see 05 210 05 320 r Fuse Chart Fuse Size PIN F101 1A 855253 F102 3A 855229 F103 4A 111257 F104 1...

Page 40: ...TB10 C 5 Control Supply Ferro Capacitor T 10 See FSL page YA020 Filter 05 325 J21 1 J21 3 J21 4 J I I I I I To K1 I cf 0 and K2 J21 9 10 and 11 I IPQ Switch I I I a J21 Goes to power logic board J and...

Page 41: ...filter assembly for 8 5 Vdc 24 Vac to the multilevel filter assembly for 24 Vdc _ _ TB1 Common 2 200V 3 20SV 220V 4 230V 235V C65 5 Base Ferro Transformer and Capacitor 16 24 Vac to the multilevel fi...

Page 42: ...sembly supplies 6 Vdc 8 5 Vdc 24 Vdc 24 Vdc 4 Vdc and 5 Vdc to the base distribution assembly See FSL page YA04O Multilevel Filter Assembly 05 333 J9 Ol __ J4 __ J5 1no J Ia _ Power Compartment Therma...

Page 43: ...05 335 Base 5V Filter Assembly See FSL page YA040 CR50 CR51 c 18 05 335...

Page 44: ...ure Power Supply A 3 12 Vdc Feature Power Supply A 4 12 Vdc Feature Power Supply A 5 12 Vdc Feature Power Supply A 6 4 Vdc Base 7 4 Vdc Base 8 6 Vdc Base 9 5 Vdc Base 5 Vdc Base 5 Vdc Base 8 5 Vdc Bas...

Page 45: ...dds feature power supply A to the System 34 Sensing the output of the added supply iS1 done by a sense card that goes into C A1C4 on the power logic board Note If a first or second communications adap...

Page 46: ...than is safe for the load overcurrent 05 400 4 5 6 The output voltage of any of the supplies is too low undervoltage An AC input power failure occurs The IPO switch is turned off 7 The cards at C A1C4...

Page 47: ...ot Previous SW Power Check OR 7 7 Present Reg Contains a Priority Fault Code o A 7 1 2 3 0 7 o L ____ 7 Search SW Bit 0 On 22 05 410 A The shift register _ tn Stores up to 43 fault codes _ F Stores th...

Page 48: ...0 to ensure that it lights with Lamp Test If the indicator does not light the indicators in CE byte 0 when the Oply Pwr Chk switch is pressed are not reliable If the Control Supply Status indicator do...

Page 49: ...OR DPLY6CHK RESET CE START 0 0 r COMM FORCE DPLY PWR FAULT DPLY CHECK CLOCK MSIPL CSIPL STOR SEL ADD COMP ON PREV SEARCH RUN ON DISt ETTE DISKETTE CTL STOP e e e e 0 e a LAMP TEST OFF STOP OFF DISK DI...

Page 50: ...k while operating the Search switch to the Search position up to display other power supply failures that occurred during the 320 microsecond period after the power check A different failing condition...

Page 51: ...er Supply hex 3 0 1 0 0 24V Power Supply hex 4 0 1 0 1 6V Regulator hex 5 0 0 4V Regulator hex 6 0 1 1 1 5V Regulator hex 7 0 o 0 12V Feature Power Supply A hex 8 0 0 1 12V Feature Power Supply A or F...

Page 52: ...670 05 550 MANUAL BRING UP PROCEDURE Use the following procedure to measure the output voltage of power supplies that are causing power checks 1 2 3 4 5 Set the IPO switch to O Attach the CE multimet...

Page 53: ...sed by the 62PC disk drive and or in the B gate that is added to the system by the 2400 BPS Integrated Modem feature The addition of feature power supply A to the System 34 also adds a feature sense c...

Page 54: ...System 34 by the 1200 bps or EIA modems Only one of the following features the 2400 BPS Integrated Modem feature the 1200 BPS Integrated Modem feature or the EIA feature can be installed ______ C Gate...

Page 55: ...is also used by either the 72MD diskette magazine drive or the 62PC disk drive The addition of feature power supply B also adds a sense card to C A1C5 See FSL page YA120 TB 6 T4 Common 8 200 Vac 9 208...

Page 56: ...he addition of feature power supply C also needs the feature distribution assembly if not already installed See FSL page YA130 J11 TB7 2 4 5 Vdc Filter 8 5 Vdc Filter 12 Vdc Filter 5 Vdc Filter 12 Vdc...

Page 57: ...is not already installed See FSL page YA140 The circuit board of feature power supply D contains circuits for sensing undervoltage overvoltage and overcurrent conditions TB 8 2 3 4 5 Common 200 Vac 2...

Page 58: ...its that are fed by the points of the contactors The voltage exists because of the charge on the capacitors in the arc suppression networks across the points of the contactors ACTB7 l 0 0 Feature Powe...

Page 59: ...2 Vdc from the filter assembly These voltages are used by the third and fourth 62PC disk drives when installed See FSL VA180 Feature power supply G requires a sense card in J6 See FSL VA182 and VA184...

Page 60: ...230 Vac 60 Hz 235 Vac 50 Hz I C1 I I _ _ _ _ _ _ _ J 50 Hz only C B1J2 05 690 5Vdc Filter 12 Vdc Filter 12 Vdc Filter 4 Vdc Filter 24 Vdc Filter C B1J3 J4 24 Vdc Return B03 B04 003 B02 B12 012 002 B1...

Page 61: ...5 4 65 5 52 5 52 5 50 5 VDC 4 70 4 625 5 50 5 50 6 Vdc 5 64 6 60 8 5 Vdc 7 86 7 86 9 35 9 35 12 Vdc 11 10 11 10 13 20 13 20 12 Vdc 11 04 11 04 11 04 13 20 13 20 13 20 24 Vdc 22 08 26 40 24 Vdc 22 08 2...

Page 62: ...07 000 5211 Printer Attachment CONTENTS 07 010 Introduction 07 100 Locations 07 200 Maintenance 07 300 Top Card Connectors 07 400 Internal Cables 0 07 500 Card Jumpers o 07 000 5211 Printer Attachment...

Page 63: ...SAR bits are numbered XSAR 0 through 3 and SAR 0 through 11 16 bit instruction address register 2K bytes of random access storage Control logic Includes control lines between the controller card and t...

Page 64: ...W X V and Z The pins that can be probed on each connector are numbered 02 through 13 right side of connector and 22 through 33 left side of connector Using connector W as an example in Figure 07 2 not...

Page 65: ...for the cable locations on the cable entry tower 4 8 and D pins of D 84 are connected to A A2V5 and contain the print data and fire tier signals t G and J pins of 0 85 are not used Figure 07 3 Cable E...

Page 66: ...07 4 c A A2T2 A Must be removed for both the 5211 Model 1 160 lines per minute and the 5211 Model 2 300 lines per minute printers 8 c Needed for both printer models Needed for the 5211 Model 2 300 li...

Page 67: ......

Page 68: ...I C CONTENTS 08 010 08 100 08 200 08 300 08 400 08 500 Introduction Locations Maintenance Top Card Connectors Internal Cables Card Jumpers 08 000 3262 Printer Attachment 08 000 3262 Printer Attachment...

Page 69: ...cludes control lines between 1the controller card and the adapter card A A2 Board Figure 08 1 Printer Attachment Card LOc 1tions Printer adapter card A A2T2 System command decode System controller dat...

Page 70: ...ins on the 52 arJd U2 cards can be probed directly Pins on the T2 card can be probed from the 52 or the U2 pin As an aid to identifying pin locations on each card connector at least one pin location i...

Page 71: ...able and for the cable locations on the cable entry tower 8 and D pins of D 84 are connected to A A2V5 and contain the print data and fire tier signals t t G and J pins of D 85 are not used Figure 08...

Page 72: ...part 1675209 as shown in Figure 08 4 c A A2T2 8 A A2U2 Figure 08 4 Printer Adapter Cards Jumpering 802 Pin 802 Pin 08 500 A Needed for the 650 lines per minute printer 8 Must be removed for the 650 l...

Page 73: ...6 I...

Page 74: ...ly 09 050 Brake Assembly 09 060 Motor Antistatic Brush 09 070 Spindle Antistatic Brush 09 080 Disk Speed Transducer 09 090 Motor Tension Spring 09 100 Shock Mount Top One 09 110 Shock Mounts Bottom Tw...

Page 75: ...and remove the cards and cables from the disk enclosure card sockets Lock the actuator with the actuator lock by moving the handle to ON Remove the belt guard by loosening the two screws 0 and liftin...

Page 76: ...o 09 020 0 I orive 62EH IS 3...

Page 77: ...her is flat Note If there is a worn spot on the spindle antistatic brush put the spot back on the same place on the spindle 12 Tighten the screws on the spindle locking arm 13 Check that the antistati...

Page 78: ...isk wait 30 minutes for it to reach room temperature 19 Do the actuator speed adjustment see paragraph 09 140 Before returning the system to the customer identification data and other control informat...

Page 79: ...screws on the spindle locking arm Lift the motor and pivot it toward the disk enclosure to release tension on the belt and remove the belt e Remove the safety cover and remove the motor wires from AC...

Page 80: ...c Back View o 09 030 62EH Disk Drive 7...

Page 81: ...ite wire and terminal 3 green yellow wire Install the brake wires on TB1 e terminal 5 black wire and terminal 6 yellow wire Install the safety cover on TB1 holes to the left 10 Install the cable strap...

Page 82: ...c Front View o 62EH Disk Drive 9 09 030...

Page 83: ...n on the belt and remove the belt e 9 Remove the safety cover and remove motor wires from ACTB3 lower drive or ACTB4 upper drive terminal 1 black wire terminal 2 white wire and terminal 3 green ye ow...

Page 84: ...rOo _ I o o Back View Subframe New Sty e Motor 62EH Disk Drive 11 09 030...

Page 85: ...er drive or ACTB4 upper drive terminal 1 black wire terminal 2 white wire and terminal 3 green yellow wire 7 8 9 10 11 12 13 14 15 16 12 09 030 Install the brake wires on TB1 terminal 5 black wire and...

Page 86: ...C Back View Front View New Style Motor 09 030 H Disk Drive 62E 13...

Page 87: ...nals 3 Loosen the two holding screws of the start relay cover and slide the cover down disengaging it from the motor assembly 14 4 5 Mark the wires then disconnect them from the relay Remove the two r...

Page 88: ...the locking arm 7 8 9 Tighten the screws on the spindle locking arm Lift the motor and pivot it toward the disk enclosure to release the tension on the belt and remove the belt e Remove the brake wir...

Page 89: ...e back of the motor Ensure that the three notches 0 in the brake pad e are aligned with the three studs on the brake coil Note The hazard label 0 should be up and to the right 7 Install the three scre...

Page 90: ...1 09 040 62EH Disk Drive 17...

Page 91: ...18 09 050...

Page 92: ...istatic brush put the spot back on the same place on the motor shaft Check for 60 25 to 20 grams Adjust if necessary by removing and bending the brush 25 Loosen the two screws G that hold the spindle...

Page 93: ...antistatic brush by removing the screw G that holds the motor antistatic brush to the brake frame 20 09 0 0 Replacement and Adjustment 1 2 Install the motor antistatic brush G Note If there is a worn...

Page 94: ...spindle locking arm with the spindle antistatic brush centered over the center of the disk spindle pulley Install the two screws that hold the spindle locking arm At the same time connect the ground...

Page 95: ...er wires from TB1 terminal 7 black wire and terminal 8 white wire Remove the disk speed transducer assembly by removing the two screws G 09 080 Replacement and Adjustment CAUTION Be careful not to dam...

Page 96: ...Adjust if necessary by removing Note If there is a worn spot on the antistatic and bending the brush brush put the spot back on the same place on the spindle 12 Install the belt guard Slide the belt...

Page 97: ...ounting bracket 4 For the old style motor tension spring only Remove the roller CAUTION Ensure that the nut and lock washer do not fall into the motor 5 Remove the nut and lock washer from screw G 6 R...

Page 98: ...Old Style Motor Tension Spring New Style Motor Tension Spring o 09 090 62EH Disk Drive 25...

Page 99: ...washers G Replacemerit Note The upper and lower shock mounts have different part numbers 2 3 Install the bracket and the four shock mount bolts nuts and washers G Install the top screw G Position the...

Page 100: ...CI o o 09 100 62EH Disk Drive 27...

Page 101: ...replacement shock mount on the disk subframe using the top screws e 2 Install the screws and washers that hold the shock mount to the machine frame 3 Loosen the two screws 0 that hold the spindle loc...

Page 102: ...o 09 1 10 62EH Disk Drive 29...

Page 103: ...ransducer 24V hne 2 In cOil drive i Out cOil drive S 7V 24V IlIle 1 Ground PreamlJ servo signal A Prt amp servo signal B Write tranSitions One head selected 4V supply 4V supply Select head 2 _ Select...

Page 104: ...B is installed the card locations are the same but they are located in A A3 I O Command Control between CPU and attachment A A2F2 see Note Read Write Scan Data Cycle Steal Control A A2G2 see Note Fil...

Page 105: ...d start at step 1 1 2 3 4 5 6 09 130 Locate the actuator control card A2G2 disk drive A A3G2 disk drive B in the logic gate assembly Note the 10 turn potentiometer and the two red light emitting diode...

Page 106: ...has been completed run the disk MOl MAPs for the disk drive that was adjusted TA030 tests this function If the adjustment is wrong return to step 1 09 150 09 150 DISK CONFIGURATION CHANGE If it is nec...

Page 107: ...34...

Page 108: ...d Coil 10 120 Shock Mounts 10 130 Card Gate Fan Assembly 10 140 Terminator Card 10 150 Flat Cables and Connectors 10 160 Disk Cards 10 170 Disk Board 10 180 Card Gate 10 190 Checks and Adjustments 10...

Page 109: ...s two on the upper shock mounts and one on the lower shock mount G that attach the subframe G to the shock mounts Slide the subframe off the screws Set the subframe on the transparent disk enclosure c...

Page 110: ...r C 10 020 Drives C and D only 62PC Disk Drive 3...

Page 111: ...ainst the force of the belt tensioner 0 remove the belt 0 then lower the motor until it is on its stop 4 10 030 11 Disconnect the brake coil 0 trimmer board G and ground connectors DANGER The disk enc...

Page 112: ...until the actuator lock reaches its stop e e L GI 7 0 I I 12 Close the card gate and tighten the screw CD 13 Adjust the drive belt tension and brake assembly see paragraph 10 190 14 Run the disk MOl...

Page 113: ...e belt 0 on the pulleys then lower the motor until the belt is tight Note Reinstall the smooth side of the belt against the pulleys and center the belt Reinstall the drive belt guard and tighten the t...

Page 114: ...r I Detail C 10 040 62PC Disk Drive 7...

Page 115: ...00 10 050 Reinstalling the Drive Belt Tensioner 1 2 3 4 Ensure that the pin in the shaft is holding the belt tensioner spring e see step 2 of Removing the Drive Belt Tensioner Locate the two screws 0...

Page 116: ...d the motor antistatic brush ct Reinstalling the Motor Antistatic Brush 1 2 10 060 Locate the screw through the antistatic brush ct center the antistatic brush on the motor shaft and tighten the screw...

Page 117: ...d the spindle antistatic brush o 10 Reinstalling the Spindle Antistatic Brush 1 Locate the screw through the antistatic brush G center the antistatic brush 0 on the spindle shaft and tighten the screw...

Page 118: ...age from this circuit 3 Remove the screw 0 and the cover G 4 Disconnect the two system wires e and the two motor wires e 5 Remove the two screws e and the terminal block G Reinstalling TB1 1 Locate th...

Page 119: ...off to remove AC voltage from this circuit 3 Remove the two screws and the cover O 4 Disconnect the fan wires and supply wires O 5 Remove the two screws G and the terminal block G 12 10 090 Reinstalli...

Page 120: ...r _ _ This page is intentionally left blank 10 090 62PC Disk Drive 13...

Page 121: ...could fall off as the motor is removed 10 Remove and inspect the motor bushings G If they are damaged install new bushings 1 2 3 4 5 6 7 8 9 10 14 10 100 Check that the motor pivot bushings G are not...

Page 122: ...I r I _ I o e Detail 10 100 15 62PC Disk Drive...

Page 123: ...cted to terminals 1 and 2 or the driver card will be damaged The terminals on the new coil may not be located in the same place as on the old coil Connect wires 1 and 2 Cit to terminals 1 and 2 on the...

Page 124: ...C C 10 110 62PC Disk Drive 17...

Page 125: ...l the actuator lock reaches its stop 4 Remove the four sets of screws washers CD and nuts G and remove the single screw and washer G 5 Remove the shock mount G Reinstalling the Shock Mounts 1 Slide th...

Page 126: ...G o G 0 120 62PC Disk Drive 19...

Page 127: ...20 DANGER CB1 must be off to remove AC voltage from this circuit 10 130 Reinstalling the Card Gate Fan Assembly 1 Align the fan assembly 0 on the bottom of the card gate and slide together until the f...

Page 128: ..._ 10 130 C Disk Drive 62P 21...

Page 129: ...ower to 0 operator panel 2 Remove the two cable clamp screws 0 and remove the cable clamp and the attached card gate cover O 3 Remove the terminator card from A4 22 Reinstalling the Terminator Card 1...

Page 130: ...C l o 10 140 62PC Disk D rive 23...

Page 131: ...unterclockwise and open the card gate 5 Remove the cable strap G from the cable guide G 6 Remove the flat cables from the disk enclosure Connecting the Flat Cables and Connectors I Note For drives A a...

Page 132: ...rn F b i b O o 10 150 62PC Disk Drive 25...

Page 133: ...urn the screw e counterclockwise and open the card gate 3 Disconnect voltage connectors e VC7 VCS and VC10 26 10 160 4 5 Remove the two screws CD and 0 and the transparent cover O Note The actuator co...

Page 134: ...I 10 160 62PC Disk Drive 27...

Page 135: ...5 Disconnect the voltage connectors e 6 Loosen the screws in the four board retainers 0 and remove the board 28 Reinstalling the Disk Board 1 2 3 Locate the board and tighten the screws in the four b...

Page 136: ...o 10 170 62PC Disk Drive 29...

Page 137: ...ly wires 9 Remove the top pivot nut CD and lift the card gate off the disk enclosure 30 Reinstalling the Card Gate r 1 Locate the card gate on its pivots top pivot first and lower into place 2 Reinsta...

Page 138: ...1 I o 10 180 62PC Disk Drive 31...

Page 139: ...and G and remove the belt guard G Check for a 0 25 millimeter 0 010 inch gap 0 between the armature casting and the solenoid Adjust the brake if necessary a Loosen the two holding screws O b Place a 0...

Page 140: ...just the belt tensioner if necessary a With the pin in the shaft holding the belt tensioner spring step 2 above loosen the two screws O b Locate the belt tensioner with no gap at 0 and tighten the two...

Page 141: ...hermal The disk drive motor has a thermal to prevent overheating CAUTION Set Power to 0 operator panel before pressing the thermal reset Press the thermal reset to reset the motor 60 Hz Motor 34 50 Hz...

Page 142: ...crew 0 counterclockwise and open the card gate L 3 Set Power to I operator panel 4 Use the following charts for the locations to check the voltages 5 Set Power to 0 operator panel 6 Close the card gat...

Page 143: ...3 M11 U12 M06 P03 S11 S06 U03 Servo 2 F2 D12 B06 D03 B05 G02 S09 J12 G06 J03 G11 P12 M06 P03 M11 U12 S06 U03 B11 S11 Cable Card Plug Voltage 10 Name Position 12 4 5 12 24 24 24 Brake Gnd Applied Actua...

Page 144: ...P10 U10 Card Name Card Plug Voltage 10 A Position 8 7 6 Actuator A2 810 003 812 009 013 8us In A3 8us Out A4 Dedicated A5 Contains a terminator card if this is the only or last disk drive Voltages on...

Page 145: ...C I CSR In I L B I I __ D I C ll i R4 R3 2 RI 1 __ __ 1 VC9 I VC4 I D IC A I 1 A D B T I _ _ I I 1 5V ___ __ I I_ _ und I_ I I Ground F5DOS A590S I r Ground Jumpers I See Note 70 V C M _ i J __ t V C...

Page 146: ...d 4V I J G 2 24V 1 ______ J 5V 5V 5V 5V 5V 4V 4V 4V 3 Gnd Gnd Gnd Gnd Gnd Gnd 7V 12V 12V 13 r i I P M t p M P M p M 2 5V 5V 5V 5V 5V 5V 4V 4V 4V 4 Gnd Gnd Gnd Gnd Gnd Gnd 7V 12V 12V 12V 12V 13 I 1 I 5...

Page 147: ...A4 B E B1A4 C E C1A4 0 E D1A4 Lin Name ChipSelect3 HeadSelectA B02 Bro _i Disk Enclosure Cable E A1A2 HeadSelectB ChipSelect2 ChipSelect1 B B BOO _T B07 o MarsSafety CenterTaps NotUsed ServoCenterTap...

Page 148: ...common adapter These cards are connected by four top card connectors see Note A A2 Tag Parity 1 line Control Bus Slines From Adapter From Adapter From and to Adapter L From and to Adapter Control Sam...

Page 149: ...Install the jumpers as shown below Top Card Connectors o For a 65 megabyte system For a 130 megabyte system For a 195 megabyte system For a 260 megabyte system I t I 1 I I I I I I I I I I I I I I I I...

Page 150: ...res from TB1 and ground wire from screw O Remove screws washers star washers and nuts G DANGER The disk drive assembly weighs 16 Kg 35 pounds Clear a space for the disk drive assembly before removing...

Page 151: ...For Drives Cand D Only 44 10 220...

Page 152: ...Reg Clock I I I I I __iiiiiiiiiiiiiiiiiiiiiiiliiiiiiiiiiiiiiiiiiiiiiiiiiliiiiiiiiiiiiiiiiiii _ _ _ _ _ _ _ _ _ _ _ _ 1 D2J10 Enable Sample Servo 10 410 MAP SCOPE PICTURE 2 I nl l n n n r 1 1 1 1 l 1l...

Page 153: ...10 420 MAP SCOPE PICTURE 3 t I 1 I I 1 I E 1 1 1 nnn nnnn n nn nnnn nn E n I 1 I 1 1 I I 1 I E 10 430 MAP SCOPE PICTURE 4 46 10 420 E2G03 Servo Inhibit veo E2B03 Buffered Analog Data A...

Page 154: ...10 440 MAP SCOPE PICTURE 5 r _ E2G08 Data Servo 2F Burst 10 450 MAP SCOPE PICTURE 6 1 1 E_ r o E E2B13 Data PES 1 1 1 1 1 1 I o 10 440 62PC Disk Drive 47...

Page 155: ...10 460 MAP SCOPE PICTURE 7 10 470 MAP SCOPE PICTURE 8 J iii l J I l l l I J nn nn nnnn nnnn n nn n l l I 48 I E2G03 Servo Inhibit VCO nnn nnn n n E2J05 Counter Run 10 460 i II C...

Page 156: ...1 100 Locations 11 200 Maintenance 11 300 Top Card Connectors 11 400 Cables 11 500 Cable Quality Check 11 510 Cable Checking Introduction 11 520 Cable Quality Check Procedure 11 000 Work Station Attac...

Page 157: ...registers 16 bit op register 16 bit storage address register The SAR bits are numbered XSAR 0 through 3 and SAR 0 through 11 16 bit instruction address register 2K bytes of controller random access s...

Page 158: ...ion on the work stations see the IBM 5251 Display Station Maintenance Information Manual SV31 0461 and the IBM 5256 Printer Maintenance Information Manual SV31 0462 11 300 TOP CARD CONNECTORS Figure 1...

Page 159: ...04 Connected to A A2N2Z04 02 a ill a a a D a a Figure 11 2 Work Station Attachment Top Card Connectors 4 11 300 Note The optional feature storage card in A A2R4 is not shown in this figure If this car...

Page 160: ...3 ar used to attach a total of seven a total of 15 if work station control expansion B is installed additional work stations to System 34 Figure 11 4 shows two ways in which work stations can be atta...

Page 161: ...Cable Positions on Cable Entry Tower Cable Positions on Cable Entry Tower Figure 11 4 Work Station Configurations 6 System 11 400 I _ r I...

Page 162: ...problems are open circuit cables short circuit cables or poor cable connections To make this cable quality check you will need the ___ following or similar o Tektronix1 453 or 454 oscilloscope BNC T...

Page 163: ...owing figure This figure shows the transmitted signal for a normal cable and the change in signal level that occurs if a cable has an open or short circuit Transmitted Signal Open Circuit Cable Normal...

Page 164: ...r of scope divisions I II rj r rJ I rJ Measure the time from the point where the change in the signal level just starts to change Calculations for determining distance in feet and meters are Df Om t p...

Page 165: ...nal level you may be checking only the first 91 meters 300 feet of a longer cable Therefore change the B time base from 0 1 microseconds to 0 2 microseconds to 0 5 microseconds and so on up to 2 micro...

Page 166: ...10 ou_c AC MODI GaUI CHl Auto Trig Figure 11 6 Setting Oscilloscope Switches Coaxial Cable with BNC Ends Figure 11 7 Connecting the Oscilloscope 5 OM 9 00 9 r J j T Connector on B Gate 11 520 Clockwi...

Page 167: ...eet from the end of the cable being checked 1 72 JLs X 99 meter s 170 meters or see Note 2 1 72 JLS X 324 7 feet 560 feet Same as in O A change in the signal level caused by an open circuit cable 170...

Page 168: ...CONTENTS 13 010 13 020 13 030 Introduction Removal and Replacement Panel Layout and Indicator Decal 13 000 13 000 CE Panels CE Panels...

Page 169: ...e the three hexagonal bolts that hold the CE panel to the machine frame 3 While holding the CE panel in your hand disconnect the three signal cables 2 To reinstall th CE panel 1 Reconnect the signal c...

Page 170: ...TA SYS INSN STEP MODE SELECTOR DPLY PWR CHK RESET CE START o o o COMM FORCE DPLY ON PWR FAULT DPLY CHECK CLOCK MSIPL CSIPL STOR SEL ADD COMP o PRe 5Ef r R e DIS r DlSeTTE L STOP e OFF STOP OFF DISK DI...

Page 171: ...CHECK WHEN POWER WAS ON X EI DISPLAY W THERMAL CHECK WHEN POWER WAS OFF ADD COMP SYNC T3 AND PHASE A CARRY IN SYNC SYNC TIE DOWN AA1 K2 D12 AA1 G2 S12 AA1 G2 Bll PROCESSOR CONDITION REGISTER DPLY PCR...

Page 172: ...I U CONTENTS 15 100 15 110 15 200 15 210 Control Processor Card Locations and Uses Main Storage Processor Card Locations and Uses 15 000 Processing Unit 15 000 Processing Unit...

Page 173: ...ed Six cards are for the control processor logic and two 16K byte cards are for the control storage The control processor does the following Aids in controlling system input output operations Moves da...

Page 174: ...____________ ________ ___________ Cable Operator Panel ____ 1t1r Cable CE Panel Cables Communications Crossover Stor Ctrl CP CP CP SYI Caw SUlu StilUI Port Ctrl Flow 1 2 MSP MSP SYI Dati Ctr Flow Main...

Page 175: ...gister LSR write pulses Clocks for X register V register and storage address register SAR Storage gate selection Arithmetic logic unit ALU gate selection Arithmetic logic unit ALU function bits carry...

Page 176: ...cessor bus out high byte Control Processor Status 2 JI Input output clocks Address compare low byte and compare logic Run latch Stop latch main storage processor Input output immediate decodes main st...

Page 177: ...ssor logic Bxx seven cards for 48K bytes main storage and processor logic Cxx eight cards for 64K bytes main storage and processor logic Oxx ten cards for 96K bytes main storage and processor logic Ex...

Page 178: ...a F ow CP Statu J2 K2 CP CP CP MSP Sy 0118 Statu StatuI Port Sy _ 2 _ A A1 Level 2 MI n tor 0l16K Channel Crossovers Main Storage Processor JI JI JI P2 Q2 S2 Main Stor 10r a 16K 16 32K 32 48K CP MSP S...

Page 179: ...in storage gate selection Gate selection X low register and Y register selection Clock main storage processor X high register X low register Y register and main storage address register MSAR local sto...

Page 180: ...21 000 Operator Panel CONTENTS l 21 010 Introduction 21 020 Removal and Replacement r I r U 21 000 Operator Panel...

Page 181: ...Carefully remove the front cover so as not to damage the indicators on the operator panel 4 Mark the position of the panel assembly with a scribe to aid you later in reinstalling the assembly 5 Remove...

Page 182: ...Power 0 Check Thermal 0 Check Proc ssor 0 Check Console 0 Check System 0 In Use LOld 0 Power 0 Operator Panel Cj 21 010 Operator Panel Operator Panel 3...

Page 183: ..._ I 4 21 010...

Page 184: ...Pulley E 23 200 Belt Path 23 210 Idler Assembly 23 220 Data Head 23 230 Leadscrew Wheel 23 240 Lower Limit Stop 23 250 Upper Limit Stop I 23 260 Stepper Motor and Bracket 23 270 Phototransistor 23 28...

Page 185: ...is reinstalled To prevent damage to the head remove the diskette and clean the head only with isopropyl alcohol and a clean cloth see paragraph 23 150 2 23 060 23 070 TOOLS CE Alignment Tool The CE a...

Page 186: ...outside of the machine operational range wait 5 minutes before use The diskette should be removed from its shipping container during this time but should be kept in its envelope Shipping and Receiving...

Page 187: ...will not work correctly Do not place diskettes near magnetic materials Data can be lost from a diskette exposed to a magnetic field Do not expose diskettes to heat greater than 51 5 0 C 125 F or direc...

Page 188: ...the front right side cover and remove screw e Remove the panel assembly 4 Remove the ground wire e 5 6 7 Remove the 4 side panel screws e and the side panel Turn the locks G remove the 33FD and mounti...

Page 189: ...procedure 6 23 110 23 130 COVER ASSEMBLY Removal and Replacement CAUTION Do not let the pressure pad arm hit the head 1 Set Power to 0 operator panel 2 3 4 5 6 7 Remove the 33FD from the machine see p...

Page 190: ...23 130 O skette Orive 33FO I 7 EI...

Page 191: ...310 If the head alignment is bad continue with this adjustment 1 Set Power to 0 operator panel 2 Remove the 33FD from the machine see paragraph 23 1 0 then set Power to I operator panel 3 Insert a di...

Page 192: ...l Card e Erase Current e 5 Vdc 00 Preamp TP2 Head Load c q r i Head Engage Write Data MC 1 f MC 2 MC 3 MC O Preamp TP1 Ground I LED Current 1 Access 0 23 140 New Style File Control Card TPA3 Diskette...

Page 193: ...e stepper motor wheel by hand until the carriage assembly is at the upper limit stop CAUTION Do not let the pressure pad arm hit the head 10 4 Pivot the pressure pad arm away from the head and check f...

Page 194: ..._ 1 EI This page is intentionally left blank 1 23 150 33FD Diskette Drive 11...

Page 195: ...er motor wheel 5 Remove the stepper motor and leadscrew wheel 6 7 Remove the covers see paragraph 23 130 Loosen the clamping screws on the upper and lower stops G 8 Remove the two screws and the botto...

Page 196: ...baseplate bottom end first Reinstall the two screws and the bottom bearing e and check for about 0 76 mm 0 030 inch up and down movement of the leadscrew against the spring e I I 5 6 7 Reinstall the l...

Page 197: ...and until the carriage assembly is at the upper limit stop CAUTION Do not let the pressure pad hit the head at any time 4 Clean the leadscrew with isopropyl alcohol part 22002 0 on a clean cloth part...

Page 198: ...ove the drive pulley G 23 170 Replacement 1 Reinstall the drive pulley Align the setscrew with flat surface on the shaft and tighten DANGER To prevent personal injury position the two large square hol...

Page 199: ...or panel 2 Remove the 33FD from the machine see paragraph 23 1 0 3 Remove the drive belt 4 Loosen the setscrew and remove drive pulley CD 16 Replacement 1 2 3 4 5 Position the pulley on the shaft Alig...

Page 200: ...the idler assembly G 5 To reinstall the idler assembly spring and belt reverse the above procedure and check the belt path Loosen screw E To adjust the assembly slide the assembly in or out Screw E mu...

Page 201: ...s go into the leadscrew wheel the maximum distance with no binds 7 8 9 Locate the white spot label or the groove on the outer edge of the hub If the hub has both always use the white spot Turn the hub...

Page 202: ...justment see paragraph 23 240 14 Turn the stepper motor wheel at least one complete revolution and check for binds 15 Do the upper limit stop adjustment see paragraph 23 250 16 If a new leadscrew whee...

Page 203: ...oosen the clamping screw and remove the leadscrew wheel e 5 To reinstall reverse the above procedure Do the stepper motor adjustment see paragraph 23 260 and head adjustment see paragraph 23 220 CAUTI...

Page 204: ...adscrew is 80 to 90 degrees past track 0 in a downward direction The wheels must be in position e 5 Place the limit stop so that 0 on the lower limit stop is in front of and against e on the carriage...

Page 205: ...6 The wheels must be aligned as shown at e 5 Position the upper limit stop so is behind the head carriage assembly and the clamp screw faces directly back G 6 Tighten the clamp screw while maintaining...

Page 206: ...0 3 Remove the five leads from the connector 4 Remove the two screws O CAUTION To prevent breaking parts when the stepper motor is reinstalled ensure the pins are in the groove of the leadscrew wheel...

Page 207: ...eadscrew wheel G Front or Top View 8 Slide the stepper motor wheel toward the leadscrew until the pins touch the notches There should be no gap between the pins and the notches 9 Tighten the two stepp...

Page 208: ...r to 0 operator pane check that the cables are connected then install the 33FD in the machine E u N 24 Vdc Write Gate Low Current Index Phototransistor Current yellow Access 1 2 Access 3 0 t 5 Vdc 0 N...

Page 209: ...g screw 9 Remove the CE tool 10 Reinstall the covers see paragraph 23 130 11 Install the 33FD in the machine Removal 1 Set Power to 0 operator panel 2 Remove the 33FD from the machine see paragraph 23...

Page 210: ...e paragraph 23 290 for test points Voltage should measure 1 0 to 1 6 Vdc Set Power to 0 operator panel and install the 33FD in the machine Removal and Replacement 1 Set Power to 0 operator panel 2 3 R...

Page 211: ...LED Return LED Current Phototransistor Return Phototransistor Current Head Input Head Input Erase Current Head Ground and Shield Preamp TPl Preamp TP2 Ground Access Oil Access 1 2 Access 2 3 Access 3...

Page 212: ...File Control Card New Style File Control Card1 Ian the old style file control card 2 wide 3 high test points are located randomly on the component side of the card On the new style file control card 2...

Page 213: ...alled bottom side up Therefore the pin numbers start at the bottom of the socket The pin numbers as seen from the cable side are shown below Cable to 33FD 33FD Maple Block B02 Note Maple block causes...

Page 214: ...23 300 CABLE AND CARD LOCATIONS 33FD Cable A A2Z6 C 23 300 33FD Diskette Drive 31...

Page 215: ...te jacket cause random errors 23 313 Diskette Test Description Diskette analysis This routine reads a complete diskette written in any IBM format and causes a printout which identifies the locations l...

Page 216: ...the data did not compare on cylinder 24 head 1 and sector 11 To scope this failure do the following 1 Set up an oscilloscope as follows Note Use a Tektronix 453 454 or a similar oscilloscope with X10...

Page 217: ...ches CE panel from 6000 to 6010 to 6020 and so on until the failure is located The loss of amplitude can be seen on the oscilloscope 34 Example 2 To scope a damaged track contains all ones in the 10 f...

Page 218: ...d 1 sector 11 To scope this failure do the following 1 Set up an oscilloscope as follows Note Use a Tektronix 453 454 or a similar oscilloscope with X10 probes Old Style New Style File Card File Card...

Page 219: ...e failure is located The loss of amplitude can be seen on the oscilloscope r 11 Example 2 To scope a damaged track contains all ones in the ID field the following changes must be made to the preceding...

Page 220: ...d Bail Adjustment 25 930 Control Card Removal 25 540 Solenoid and Bail Removal Machines with 25 940 Control Card Replacement Taper Pin Block 25 950 Control Card Test Pins 25 545 Solenoid and Bail Repl...

Page 221: ...be damaged if they are not operated or serviced correctly 3 Never use damaged diskettes in a diskette drive Diskettes that are physically damaged creased or bent or contaminated by pencil marks finge...

Page 222: ...030 TOOLS Two timing pins part 5562019 located inside the cover assembly are used to align the following The stepper motor shaft and pulley The light emitting diode assembly 25 030 53FD Diskette Drive...

Page 223: ...t use clips or rubber bands on a diskette Do not place heavy books on diskettes 25 120 Do not touch or attempt to clean diskette surfaces Contaminated diskettes will not work correctly Do not place di...

Page 224: ...he ground wire e 5 Remove the four side panel screws e and the side panel 6 7 Remove one end of the 53FD cable clamps Turn the locks G remove the 53FD and mounting frame from the machine 8 If power is...

Page 225: ...two pivot screws Ensure that spring is installed 2 3 4 5 6 6 Open the cover assembly Disconnect the spring from the cover Loosen the two pivot screws with a wrench While holding the cover assembly re...

Page 226: ...atch G and the two pivots by pulling the latch toward the rear of the cover assembly Do not lose the spring G 25 450 LATCH ASSEMBLY REPLACEMENT 1 2 3 4 5 25 440 Place the latch G into the cover assemb...

Page 227: ...crew O Remove the collet assembly 0 and the other parts shown Remove the clip G remove the collet 1 2 3 4 Reinstall the collet and clip G Reinstall the remaining parts on the collet assembly shaft in...

Page 228: ...r This page is intentionally left blank 25 470 53FD Diskette Drive 9...

Page 229: ...mper e Set Power to 0 operator panel Go to 25 490 step 5 11 12 13 14 15 16 17 18 19 20 21 22 23 25 480 Remove the timing pin e Remove the jumper end from THP11 Then install the jumper end to TPB10 MC...

Page 230: ...25 950 for control card test pins Jumper Cylinder 40 THP11 to TPA 13 Cylinder 39 TPB 10 to TPA 13 Factory Adjustment Only 25 480 0 508 mm 0 020 inch Timing Pointer Timing Block Head Carriage Assembly...

Page 231: ...ed by an external source 10 Set Power to I operator panel 11 Install a jumper from TPA13 ground to THP11 align access 0 12 Make the gap 0 the same size as the gap recorded in step 5 and tighten the cl...

Page 232: ...I _ _ C J I Nate See paragraph 25 950 for control card test pins Jumper Cylinder 40 THP11 to TPA 13 Cylinder 39 TPB10 to TPA 13 25 490 Timing Block Factory Adjustment Only 53FD Diskette Drive 13...

Page 233: ...2 Reinstall the guide rod e and tighten the screw O Ensure that the guide rod notch 0 is aligned with the screw and is seated as shown 0 3 4 Place the head carriage assembly at about cylinder 40 Reins...

Page 234: ...ragraph 25 950 for control card test pins Jumper Cylinder 40 Cylinder 39 THP11 TPB 10 to to TPA 13 TPA 13 Properly Seated Guide Rod Read Write Front Cover 25 500 Improperly Seated Guide Rod 53FD Diske...

Page 235: ...riage arm for all of the carriage movement cylinder 00 to cylinder 76 Solenoid __ powerCable 16 25 520 If the gap is correct go to step 9 If the gap is not correct go to 25 530 step 7 Remove the jumpe...

Page 236: ...Carriage Assembly Solenoid de activated Bail Stop Setscrew Carriage Assembly Carriage Tab 25 520 Solenoid activated 0 4 0 13 mm 0 015 0 005 inch 53FD Diskette Drive 17...

Page 237: ...panel __ 13 Reinstall the cover assembly see paragraph 4 Remove the cover assembly see paragraph 25 430 25 420 14 With the head load solenoid de activated and the 5 Insert a strip of clean paper betwe...

Page 238: ...decrease this gap Sol d enol activated Carriage Assembly Strip of Clean Paper 0 Carriage Tab 0 4 0 13 mm 0 015 0 005 inch 25 530 Jumper TPB13 head load TPA1 O nd Note See paragraph 25 950 for control...

Page 239: ...k G Remember the cable path for the replacement procedure 6 7 Remove the bail return spring G Remove the mounting screw CD and the bail G This pulls the solenoid plunger out of the solenoid Be careful...

Page 240: ...I Plunger I Solenoid TTT m Capacitor 1 __ White e Solenoid White Black Yellow H Solenoid 24 Vdc 1 r I I F 28 ohms o 25 545 53FD Diskette Drive 21...

Page 241: ...from the cable connector by pushing down on the terminal tabs with a small screwdriver 10 Remove the plunger from the bail 11 Loosen the solenoid locking screw e 12 Remove the head load solenoid by tu...

Page 242: ..._ B11 25 555 B04 e Black 23 53FD Diskette Drive...

Page 243: ...dler is in place as shown e 2 Set Power to I operator panel 3 Go to 25 560 25 600 DRIVE MOTOR REMOVAL 1 Remove the diskette drive see paragraph 25 130 2 Disconnect the drive motor power cable 3 Remove...

Page 244: ...Drive Motor and Bracket Assembly iVepUlley G 25 610 Crown Hub Pulley CAUTION Not replaceable lin the field _ IS ette Orlve 25 53FO 0 k...

Page 245: ...the drive pulley on the motor shaft with the set screw e on the flat surface of the shaft 2 Go to 25 590 26 25 640 IDLER ASSEMBLY REMOVAL 1 Remove the drive belt see paragraph 25 580 2 Remove the idle...

Page 246: ..._ Drive Motor and Bracket Assembly Flat Surface 25 650 I Hub Pulley CAUTION Not replaceable in the field rive 27 53FD Diskette D...

Page 247: ...n the terminal tabs with small screwdriver Remove the wiper assembly O 9 Loosen the two mounting screws G Push the idler assembly against spring tension and tighten the screws 28 25 680 CAUTION While...

Page 248: ...sandClamp 25 680 e 29 0 kette Onv 53FO IS...

Page 249: ...30 25 690...

Page 250: ...r I J N ote See paragraph 25 950 for control Card test pins Jumper Cylinder 40 THP11 to TPA 13 II Center Drive Band 25 690 53FD Diskette Drive 31...

Page 251: ...te drive control card Remove the card retainer and the diskette drive control card Loosen the two mounting screws O Push the idler assembly against the spring tension and tighten screws 7 8 9 Remove t...

Page 252: ...25 700 33 53FD Diskette Drive...

Page 253: ...power connector DANGER Voltage is still present at the power connector when the pulley and clamp are disconnected and power is on 9 Remove the attachment card at A A2L2 to prevent the stepper motor ac...

Page 254: ...I j I _ c Jumper Cylinder 40 THPll to TPA 13 Center Drive Band 25 710 53FD Diskette Drive 35...

Page 255: ...p 6 11 Repeat step 10 with the head carriage assembly at cylinder 00 and cylinder 76 6 Reinstall the wiper assembly e 12 If the mounting slots are centered go to step 16 7 Reinstall the cover assembly...

Page 256: ...Center Drive Band 25 740 53FD Diskette Drive 37...

Page 257: ...10 Remove the drive band ends from the pulley pin and remove the band 38 25 760 DRIVE BAND REPLACEMENT 1 Place the drive band around the idler assembly 2 3 Install the drive band ends on the pulley p...

Page 258: ...25 780 53FD Diskette D rive 39...

Page 259: ...itude should be between 2 4 and 4 2 Vdc G 5 6 Remove the jumper e Remove the diskette 5VdC LED 33FD Channel A sweep mode Channel A level Channel A coupling Channel A slope Channel A source Trigger Mod...

Page 260: ...stor assembly against the casting stop G away from the leads and tighten the mounting screw Loosen the two light emitting diode mounting screws e Insert two timing pins G through the light emitting di...

Page 261: ...ve probe to the 53FD light emitting diode voltage test pin e Check for a voltage level of 1 Vd c to 2 Vdc Move the positive probe to the 33FD light emitting diode voltage test pin O Check for a voltag...

Page 262: ..._ I This page is intentionally left blank 25 810 53FD DisketteDrive 43...

Page 263: ...ode leads 5 Remove the two 33FD light emitting diode leads leads have a tube around them and the two and the two 53FD light emitting diode leads 0 53FD leads 0 into the diskette drive control cable r...

Page 264: ...FD LED D07 Black 53FD LED D10 Black 53FD PTX D11 Yellow 53FD PTX 25 830 LLED Assembly G Wrapped Leads B06 Red 33FD LED B07 Black 33FD LED Wrapped Leads D08 Black 33FD PTX B09 Yellow 33FD PTX 53FD Disk...

Page 265: ...sembly is closed 46 5 6 7 Connect the positive probe of a multimeter 15 Vdc scale to the index test pin CD on the diskette drive control card Connect the negative probe of the multimeter to the ground...

Page 266: ...14 100 0 0 0 0 0 0 0 0 0 0 0 0 I TPB16 HCP oHOTP oH1TP TPA14 0 53FD PTX 33FD PTX 0000 0 0 16 1 10 0 0 0 0 0 0 ceo 0 0 DOC 0 I THP 0 0 00 TPB TPA TPB9 TPA6 Index Ground 25 840 53FD Diskette Drive 47...

Page 267: ...the two 33FD phototransistor leads e and the two 53FD phototransistor leads e by pushing down on tabs with a small screwdriver 7 Remove the phototransistor mounting screw G and washer 8 Remove the ph...

Page 268: ...C I 006 Red 53FO LED 007 Black 53FO LED e 010 Black 53FO PTX 011 Yellow 53FO PTX 25 860 8 Black 33FO PTX B09 Yellow 33FO PTX 53FD Diskette Drive 49...

Page 269: ...O 2 Remove the card retainer G 3 Remove the diskette drive control card 50 25 940 CONTROL CARD REPLACEMENT 1 Reinstall the diskette drive control card O Ensure the card is seated in the socket 2 Rein...

Page 270: ...2 TPA3 Write Gate TPB3 Predrive MC l TPA4 1 nner Tracks TPB4 Predrive MC O TPA5 Select Head 1 TPB5 53FD Index TPA6 Ground TPB6 33FD Index TPA7 Erase Current Sense TPB7 Diff Read A TPA8 24 Vdc TPB8 Dif...

Page 271: ...3 THP5 Ground TPA5 Select Head 1 TPB5 File Data THP6 53FD Index TPA6 Ground TPB6 Diskette Sense THP7 33FD Index TPA7 Current Enabled THP8 Diff Read A TPA8 24 Vdc TPB7 Head Engage TPB8 Switch Filter TH...

Page 272: ...Current Sense E 2 DC urren Enabled Late a ci EC Level Card h fiVes With the late EC I Level Card ave the two resistors an v card may not e capacitor B05 B04 BOO B07 Dl0 013 D07 D08 009 B06 012 B08 Bl...

Page 273: ...25 990 CABLE AND CARD LOCATIONS Data Separator A A2P2 1 I _ 53FD Cable A A2Z6 54 25 990...

Page 274: ...This page is intentionally left blank 25 990 53FD Diskette Drive 55...

Page 275: ...your system 25 993 Test Descriptions Diskette analysis This routine reads the complete diskette written in any IBM format and causes a printout which identifies the locations logical cylinder head an...

Page 276: ...able quality than on diskettes with the best quality __ TU 98 This TU runs only on a diskette 20 This C TU writes on each sector of cylinder 4C with the inner tracks line off not normal and then write...

Page 277: ...data did not compare on cylinder 24 head 1 sector 11 byte 93 To scope this failure do the following 1 Set up an oscilloscope as follows Note Use a Tektronix 453 454 or a similar oscilloscope with X10...

Page 278: ...ta switches CE panel to 6093 to display byte 93 The loss of amplitude can be seen on the oscilloscope _ _ _ _ _ I I_ _ I 1 II t 1 Example 2 To scope a damaged track contains all ones in the 10 field t...

Page 279: ...ata did not compare on cylinder 24 head 1 sector 11 byte 93 To scope this failure do the following 1 Set up an oscilloscope as follows Note Use a Tektronix 453 454 or a similar oscilloscope with X10 p...

Page 280: ...switches CE panel to 0093 to display byte 93 The loss of amplitude can be seen on the oscilloscope r I I J J 11 Example 2 To scope a damaged track contains all ones in the 10 field the following chan...

Page 281: ...40 through 4C on a diskette 20 and the head resolution is less than 50 62 25 997 Example Perform the following to scope head resolution 1 2 Initialize a diskette 20 a Perform an IPL under SSP b Sign...

Page 282: ...and a seek to track 4C from the diskette exerciser test 1 command menu enter an E after selecting cylinder 4C f Use the default option to execute the commands g Press the Attn key three times to retur...

Page 283: ...ugh 4C on diskette 20 diskettes and the head resolution is less than 50 64 Example Perform the following to scope head resolution 1 Initialize a diskette 20 a Perform an IPL under SSP b Sign on the sy...

Page 284: ...MMAND DATA FIELD option g Select the SCROLL FIELDS option h Change the first 8 bytes of M S data field 1 from FF FF FF FF FF FF FF FF to AA AA AA FF FF AA AA AA and the S on line 11 to M AA 4 2cm i Pr...

Page 285: ...66 25 998...

Page 286: ...Machines with New Style Tray 27 480 Picker Extend Service Check 27 260 Carriage Bed Orient Switch Service Check 27 485 Picker Extend Adjustment 27 265 Carriage Bed Orient Switch Adjustment 27 490 Pic...

Page 287: ...iver Board Output to the Picker Cam Stepper Motor Service Check 27 805 Driver Board Output to the Carriage Bed Stepper Motor Service Check 27 810 Driver Board Assembly Removal and Replacement 27 815 C...

Page 288: ...aged diskettes in a diskette drive Diskettes that are physically damaged creased or bent or contaminated by pencil marks finger marks or cleaning fluid can cause data errors equipment errors or head d...

Page 289: ...read write head carriage stepper motor The PTX LED assembly Adjusting Surface 1 Adjusting Surface 2 The picker finger adjustments and service checks The picker cam adjustments and service checks The...

Page 290: ...a nds on a diskette Do not place heavy books on diskettes Do not tOlWh or attempt to clean diskette surfaces Contaminated diskettes will not work correctly Do not place diskettes near magnetic materia...

Page 291: ...DC power cable G from the J1 socket 8 9 6 To operate the 72MD outside the machine connect the cables removed in steps 4 5 and 7 and tape the actuator of the interlock switch to the operated position T...

Page 292: ...Read Write 0 Head Cable C Connector 0 D D TH l TH OIJ e D D 00 00000 27 205 Panel Assembly 72MD Diskette Magazine Drive 7 EI...

Page 293: ...e cover is closed and tighten the four screws e Perform the cover open switch service check see paragraph 27 210 27 220 COVER OPEN SWITCH REMOVAL AND REPLACEMENT Removing the Cover Open Switch 1 2 3 4...

Page 294: ...o G jt Read Write Head Cable Connector o Panel Assembly D D Note See paragraph 27 820 for control card test pins 27 220 72Mb Diskette Magazine Drive 9 TO...

Page 295: ...or power cable G 3 Remove the drive belt e 4 Remove the two motor mounting clamps G 5 Remove the motor 8 Reinstalling the AC Drive Motor 1 Place the drive motor 8 on the casting and fasten it with the...

Page 296: ...c This page is intentionally left blank l c C 27 225 72MD Diskette Magazine Drive 11...

Page 297: ...nting screws G and r adjusting tool e If the 72MD has the new style slide the carriage bed stop G to the right tray insert the tool through the hole in the tray If Insert end 0 of the adjusting t ol e...

Page 298: ...y 0 old style tray only and remove the bed stop assembly e Reinstalling the Carriage Bed Stop 1 2 3 4 Locate the bed stop assembly e on the base casting and reinstall the two mounting screws G Do not...

Page 299: ...the three screws 0 for the belt tension bracket assembly G Connect the stepper m tor connector to the base cable connector near the motor 7 8 9 Reinstall the control card mounting assembly see paragr...

Page 300: ...I I 27 250 72MD Diskette Ma gazlne Drive 15...

Page 301: ...tension spring to release belt tension and tighten bracket 6 Tighten the three belt tension bracket screws O screwe 7 Reinstall the two carriage bed casting stabilizer 5 Remove the belt shield guide...

Page 302: ...I Detail I Old Style Tray 27 255 72MD Diskette Magazine Drive 17...

Page 303: ...bezel see the base casting paragraph 27 665 5 Remove the diskette drive assembly bezel see 7 Place the ends of the monorail CD into the V slots paragraph 27 665 o in the base casting 6 Loosen the thre...

Page 304: ...C p J o I I 27 255 72MD Diskette Magazine Drive 19...

Page 305: ...he orient position with the stepper motor at normal detent 1 2 Remove power and the 72MD unit see paragraph 27 200 Set Power to I operator panel 3 Remove the magazine in position 2 to view the carriag...

Page 306: ...st pins for the new style picker 27 2tO Diskette ln Carriage Bed Orient and Window Stripper Switches Read Write Head Cable Connector o D Ground 5V Output D THP 16 THP 1 80 cltJ 00 0 qr ___ O _ __ r _l...

Page 307: ...K 1 Remove power and the 72MD unit see paragraph 27 200 2 Disconnect the stepper motor cable from driver board connector J4 3 Use a multimeter to measure the resistance between pins 2 and 4 4 and 6 1...

Page 308: ..._I M07 D07 B12 Auto Step 3 7 MOB DOB B07 Bed Motor f ____ M12 D12 N A N Stepper Motor Operating Voltage 24 V J1 1 Stepper Motor Detent Voltage 5 V J1 3 J3 2 r DR f ___4 Blue White I DR DR White Blue 1...

Page 309: ...INE INTERLOCK INDICATOR REMOVAL AND REPLACEMENT Removing the Magazine Interlock Indicator Remove the screw e that holds the magazine interlock indicator assembly e and remove the assembly Reinstalling...

Page 310: ...This page is intentionally left blank 27 285 72MD Diskette Magazine Drive 25...

Page 311: ...1 Remove power and the 72MD unit see paragraph 27 200 Do not connect the AC power connector o to the drive motor or connector J1 to the driver board 2 3 4 5 6 7 8 Set Power to I operator panel DANGER...

Page 312: ...Note The old style picker is shown here See Detail for new style picker 27 295 Old Style Tray 72MD Diskette Magazine Drive 27...

Page 313: ...00 Reinstalling the Carriage Bed Assembly 1 If the 72MD has the new style tray insert the I O slot guide wires 0 in the slots in the housing 0 and place the carriage bed assembly locating pins e on th...

Page 314: ...Old Style Tray I 27 300 72MD Diskette Magazine Drive 29...

Page 315: ...tool touches the drive bezel G 6 Tighten the four carriage bed screws 4 7 Return the 72MD unit from the service position see paragraph 27 205 27 310 CARRIAGE BED TO DISKETTE DRIVE BEZEL SERVICE CHECK...

Page 316: ...azine pressure roll housing G 3 Place the adjusting tool e part 2462583 for old style picker part 2462612 for new style picker between the magazine pressure roll housing G on the surface of the guide...

Page 317: ...e 9 CAUTION Be careful not to hit the head load bail assembly on the cam when you remove the picker cam casting This can damage the read write head carriage assembly Separate the picker cam casting 8...

Page 318: ...o ote The old style picker is shown ere See Detail for new style picker 27 400 72MO 0 k IS ette Magazine Orive 33...

Page 319: ...assemblye 3 Loosen the pivot screw G 4 Press on the belt 41 to move the belt idler pulley e to the end of its movement and tighten the screwG 5 Turn the cam G clockwise until it touches the cam stop...

Page 320: ...I C Note The old st here See D yle picker is shown etall for new style picker 27 410 72MD Diskette Ma gazme Drive 35...

Page 321: ...power and the 72MD unit see paragraph 27 200 2 Perform the carriage bed to diskette drive bezel service check see paragraph 27 310 3 4 Note The carriage bed to drive bezel adjustment must be correct b...

Page 322: ...am casting Remove the two bezel mounting screws 8 and remove the bezel assembly G Reinstalling the Picker Cam Bezel Assembly 1 Reinstall the bezel G using the two bezel mounting screws 8 2 3 If the 72...

Page 323: ...pacer 0 behind the cam 7 If the stepper motor is being removed remove the four stepper motor mounting screws 0 and remove the stepper motor 8 Remove the pulley and collar 0 on the motor shaft 38 Reins...

Page 324: ..._ Note The old style picker is shown A here See Detail for new style picker 27 430 72MD Diskette Magazine Drive 39...

Page 325: ...t reinstall the 72MD unit at this time 4 Perform the picker finger assembly adjustment see paragraph 27 455 5 Perform the picker rest adjustment see paragraph 27 470 6 Reinstall the 72MD unit see para...

Page 326: ...c 27 440 Detail i 1 fn I a I I I I _ ___ New Style Picker Note The old style picker is shown here See Detail for new style picker 72MD Diskette Magazine Drive 41...

Page 327: ...he lobe on the detent spring 0 touches the bottom of the dwell on the picker carriage Tighten the screw G 6 Reinstall the 72MD unit see paragraph 27 200 42 27 450 PICKER CARRIAGE DETENT REMOVAL AND RE...

Page 328: ...o 27 450 Detail New Style pfcker Note The old style picker is shown here See Detail for new style picker 72MD Diskette Magazine Drive 43...

Page 329: ...ween the picker fingers Measure the force needed to make the gauge move or fall out of position use a gram gauge Part 450459 with a X10 blade 44 If the gauge will not remain in position or if the forc...

Page 330: ...j 1 Less than or equal to 60 grams 27 453 72MD Diskette Magazine Drive 45...

Page 331: ...install the adjusting tool G part 2462583 for old style picker part 2462612 for new style picker with one end between the solid finger G and the spring finger G of the picker and against the picker di...

Page 332: ...he picker finger assembly adjustment see paragraph 27 455 Old Style Picker Machines with New Style Picker Removing the Picker Finger 1 2 Remove the picker cam casting assembly see paragraph 27 400 Rem...

Page 333: ...surface 1 The output should be minus 6 Insert the adjusting tool part 2462583 for old style picker part 2462612 for new style picker 7 Turn the picker cam so that the picker carriage into I O slot 1 a...

Page 334: ...r o o 27 470 o g D 8000 00 0 00 rn oDD I No te Se e paragraph 27 820 for control card test pms 72MO O k IS ette Maga zme Orive 49...

Page 335: ...w 0 from the bottom of the sensor G and remove the sensor Reinstalling the Picker Rest Sensor 1 Locate the picker rest sensor G and fasten it with the screw O 2 Attach the picker rest sensor leads to...

Page 336: ..._ This page is intentionally left blank 1 I _ C 27 475 72MD Diskette Magazine Drive 51...

Page 337: ...rt 2462583 for old 6 Disconnect connector plug J3 style picker part 2462612 for new style picker in I O slot 1 use adjusting surface 2 and the 7 Set power to I operator panel diskette guide 8 Insert t...

Page 338: ...c C Ii 248_ II o 0 JL 1 I L__ J I 1 _ _ r I r _ _ 1 I I I I I 1 I I I I 27 485 Note The old style picker is shown here See Detail for new style picker 72MD Diskette Magazine Drive 53...

Page 339: ...nd the 72MD unit see paragraph 27 200 2 Disconnect the stepper motor cable from driver board connector J3 3 Use a multimeter to measure the resistance between pins 2 and 4 4 and 6 1 and 3 3 and 5 The...

Page 340: ...tepper Motor Operating Voltage 24 V J1 1 Stepper Motor Detent Voltage 5 V J1 3 J3 2 r Blue White I I I I I White I I I I I I I I Blue I I I I I I I I I Picker Cam I I Motor I 1 I I Red I I I I I I I I...

Page 341: ...ly see paragraph 27 425 2 Remove the mounting screw e and the jam removal wheel assembly O Note Be careful not to damage the stripper sensor wires Reinstalling the Jam Removal Wheel 1 Reinstall the ja...

Page 342: ...I o This page is intentionally left blank 27 495 72MD Diskette Magazine Drive 57...

Page 343: ...27 425 Do not reinstall the 72MD unit at this time 4 Adjust the stripper magnet and switch assembly see paragraph 27 520 5 Reinstall the 72MD unit see paragraph 27 200 27 505 STRIPPER MAGNET SERVICE C...

Page 344: ...Read Write Head Cable Connector 8 D1tJ 00 0 t TI A Note See paragraph 27 820 for control card test pins 27 505 72MD Diskette Magazine Drive 59...

Page 345: ...425 Do not reinstall the 72MD unit at this time 3 Adjust the stripper magnet and switch assembly see paragraph 27 520 60 27 515 STRIPPER MAGNET SWITCH SERVICE CHECK 1 Open the front left side cover 2...

Page 346: ...J C I Read Write Head Cable Connector o 0 0 THf atJ 1 0 00 0 J 9 r _ 1 4 TPA Note See paragraph 27 820 for control card test pins 27 515 72MD Diskette Magazine Drive 61...

Page 347: ...itch so that the output window open goes minus with the stripper e against the diskette 10 Tighten the screws e 11 Test the switch to ensure that it retur ns to normal window open with the diskette re...

Page 348: ...o Read Write Head Cable Connector Note See paragraph 27 820 for control card test pins 27 525 72MD Diskette Magazine Drive 63...

Page 349: ...27 600 Install a jumper from THP 2 e head reference to THP 1 0 ground Set Power to I operator panel _ Insert the timing pin G through the hole in the pulley and into the casting Does the timing pin p...

Page 350: ...be performed once If it is necessary to perform this again go back to step 13 of this service check 18 Is the adjustment correct Y N I Go to paragraph 27 605 step 14 19 Set Power to 0 operator panel...

Page 351: ...timing pin 0 passes freely through the stepper motor pulley into the timing slot in the casting 12 Remove the timing pin G 13 Load the diskette exerciser if you have not already loaded it in another...

Page 352: ...y Adjustment Only ViewD Front Limit 76 4 0 508 mm 0 020 inch ViewD D e D cl 00 00 DD ODD c Note See paragraph 27 820 for control card test pins Rear Limit 00 27 605 Detail ra Detail B G r 72MD Diskett...

Page 353: ...replacement assembly Reinstalling the Head Carriage CAUTION When reinstalling the head carriage assembly ensure that the bail is under the tab of the carriage a rm Also ensure that a strip of clean p...

Page 354: ...ignment but remove the timing pin 0 before going to the next step Install a jumper from THP 2 e head reference to THP 1 ground Set Power to I operator panel Insert the timing pin 4 through the hole in...

Page 355: ...ollowing steps be careful not to damage the drive band 6 Remove the two screws CD and the wiper assembly O 7 8 9 10 11 12 13 o 0 Loosen the two idler mounting screws E push the idler assembly e agains...

Page 356: ...o 27 615 Black B10 Yellow B12 Blue B13 72MD Diskette Ma gazme Drive 71...

Page 357: ...27 840 9 Carefully reinstall the head cable 0 on the control card 10 Turn the stepper motor pulley to cylinder 40 and insert a timing pin O 11 Disconnect the AC power to the drive motor DANGER Voltag...

Page 358: ..._ c e 0h 0 D D DaD DO 00 o u 000 Note See paragraph 27 820 f or control card test pins 27 615 Black B10 Yellow B12 Blue B13 72MO 0 0 Iskette M agazme Orive 73...

Page 359: ...arefully reinstall the drive band ends on the pulley pin G as shown reinstall the band clamp o with the notch facing away from the stepper motor and the screw e Do not tighten the screw Loosen the two...

Page 360: ...C o 0 0 e THP e 80 DD 0 00 A 12 Note S ee paragraph 27 820 f or control card test pins 27 620 72MD Diskette M agazme Drive 75...

Page 361: ...ssembly G toward the hub to its front limit cylinder 76 C 5 Turn the stepper motor pulley by hand and check that the drive band G is centered on the idler pulley e in all of the head carriage assembly...

Page 362: ...1 Detail II 27 625 Back Limit 00 72MD Diskette Magazine Drive 77...

Page 363: ...imit cylinder 00 to center the drive band G on the idler pulley e 6 Remove the clamp screw 0 and the clamp e 8 Place the head carriage assembly e at cylinder 40 Check to see that the band mounting slo...

Page 364: ...1 _ c Back Limit 00 F J ront Limit 76 27 635 Back Limit 00 72MD Diskette Ma gazme Drive 79...

Page 365: ...ove the idler spring G 4 Remove the mounting screws 0 and the idler assemblye Reinstalling the Idler Assembly 1 Reinstall the idler assembly e and the two mounting screws 0 do not tighten 2 Reinstall...

Page 366: ...1 This page is intentionally left blank 27 640 72MD Diskette Magazine Drive 81...

Page 367: ...the probe to test pin TPB 15 diskette in 9 Check that the output is minus when a diskette is in the drive against the stop and plus when the diskette is removed from the drive 10 Reinstall the 72MD un...

Page 368: ...t I I o _Black ellow 5GVound ___ White Output Detail I lo e O See Detail 8 o 0 0 to 0 4 mm 000 to 016 inches See Detail 27 650 72MD D k IS ette Magazine Drive 83...

Page 369: ...e paragraph 27 400 2 Insert a strip of clean paper between the heads e 3 Loosen the clamp screw G on the head load bail pivot shaft e 4 Slide the pivot shaft e out and remove the bail assembly 84 Rein...

Page 370: ...o Old Style New Style Bail Assembly Bail Assembly G 27 660 Wrench Position A ss Hole Without cce Picker Cam Casting il r l 1 o25 to 0 5 mm 0 010 to 0 020 in Wrench zine Drive 85 72MD Diskette Maga...

Page 371: ...EPLACEMENT Removing the Diskette Drive Bezel 1 Remove the two mounting screws 0 from the bezel 2 Remove the bezel G Reinstalling the Diskette Drive Bezel Reinstall the bezel G using the two mounting s...

Page 372: ...C C This page is intentionally left blank 27 665 72MD Diskette Magazine Drive 87...

Page 373: ...drive stepper motor sensor cable A1 0 from the control card 4 Connect the diskette drive stepper motor sensor cable A1 to the control card 5 Remove the ground wire e from the control card bracket scr...

Page 374: ...Note See paragraph 27 82ofor control card test pins o D J J 0 0 27 670 72MD Diskette Magazine Drive 89...

Page 375: ...Assembly r CHECK 1 Reinstall the index sense LED assembly G on the 1 Open the front left side cover casting and fasten it with the two mounting screws 0 and two nuts Do not tighten 2 Loosen the two fr...

Page 376: ...BlaCk Picker nse Black White Rest Leds 53FD Red VeIIOWA Sensor D LC Black Gray bJ _ Read Write Head Cable o D D NO te See paragraph 27 820 for control card test pins for the old style picker Note See...

Page 377: ...the negative probe of the multimeter to test pin TPA 12 ground For the new style picker connect the negative probe of the multimeter to test pin TPA 13 ground 8 Check the multimeter for a reading of...

Page 378: ...o D I f 3 Note See paragraph 27 820 for control card test pins for the new style picker Note See paragraph 27 820 for control card test pins for the old style picker 27 690 72MD Diskette Magazine Dri...

Page 379: ...sten it with the two mounting screws e 2 Loosen the two mounting screws 0 for the LED assembly G on the picker cam casting 3 Reinstall the picker cam casting assembly see paragraph 27 400 Do not reins...

Page 380: ...33FD Black 002 Yellow 003 53FO Black 004 YeliowD05 Y IIOW l ack 33FD wrap 27 695 me Drive 95 72MD Diskette Magaz...

Page 381: ...ratch diskette Press the Load switch operator panel Note The Load light remains on during this service check Press the Reset switch CE panel to release the loaded heads and to eject the diskette 96 5...

Page 382: ...This page is intentionally left blank _ 27 700 72MD Diskette Magazine Drive 97...

Page 383: ...icker cam motor Therefore be careful to prevent damaging the read write head circuit as well as the read write head carriage assembly DANGER Parts of the driver board become hot after continuous use 6...

Page 384: ...rol card test pins for the old style picker Condition of Stepper Motor Phases at Cyl Cyl Cyl Cyl Cyl 40 41 42 43 44 1 0 0 1 1 1 0 0 1 X 1 0 X X 0 X o Not active level 5 0 Vdc or more at point A 1 Acti...

Page 385: ...be careful to prevent damaging the read write head carriage control circuits as well as the read write carriage assembly 100 27 S05 DANGER Parts of the driver board become hot after continuous use 6 F...

Page 386: ...Cyl 40 41 42 43 44 1 0 0 1 0 0 1 X 1 1 0 X X 0 X o Not active level 5 0 V or more at point A 1 Active level 0 5 V to 1 1 V at point A X When at detent position 3 5 V to 4 7 V at point A o D 8tJ D D 00...

Page 387: ...move the driver board ground strap e 8 Lift the driver board assembly up and pivot the bottom hinge pin away from the hinge bracket to remove the driver board assembly 102 Reinstalling the Driver Boar...

Page 388: ...r GJ 000 008 J1 Not used J2 27 810 72MD Diskette Magazine Drive 103...

Page 389: ...d Disconnect the read write head cable G 5 Remove the card retainer G at the top of the card 6 Remove the card e e 104 Reinstalling the Control Card 1 Reinstall the control card e 2 Attach the card re...

Page 390: ...This page is intentionally left blank o 27 815 72MD Diskette Magazine Drive 105...

Page 391: ...ded AGCout AGC out Ground Control voltage 14 3 volts VGA in preamp Tp 1 VGA in preamp TP 2 Ground Read Write Head Cable Connector o TPB 1 33FD PTX emitter TPB 2 53FD PTX emitter TPB 3 Picker PTX colle...

Page 392: ...volts VGA in preamp TP 1 VGA in preamp TP 2 Ground ReadlWrite Head Cable Connector o TPB 1 33FD PTX emitter TPB 2 53FD PTX emitter TPB 3 Picker PTX collector TPB 4 Picker LED anode TPB 5 Head motor MC...

Page 393: ...P07 Bed Switch Ground P08 Ground enters card P09 Window Switch Ground 1 Pl0 24 Volts enters card Pll 5 Volts enters card P12 VFO Test Mode P13 Data Protect 1 Applies only to machines with the old styl...

Page 394: ...4 G04 DOS GOS D06 G06 007 G07 008 Goa D09 G09 010 Gl0 011 GIl 012 G12 013 G13 802 102 804 J04 805 105 806 J06 807 107 B09 J09 B12 J12 B13 J13 1 See paragraph 27 835 for the location of the head connec...

Page 395: ...27 830 CONTROL CARD SOCKET AND CONNECTOR PINS 110 c 27 830...

Page 396: ...e Center tap R W Head 1 Read Write Erase Erase Cable Shield Gnd Cable Shield Gnd Erase I c ___ IUoilV Head 0 Read Write Center tap R W Read Write hite blue black red yellow black black black blue whit...

Page 397: ...shield screws and remove the two rear safety shield screws and the safety shield Disconnect the read write head cable O 5 Disconnect the system cable A2 0 the diskette stepper motor sensor cable A1 0...

Page 398: ...J This page is intentionally left blank 27 840 72MD Diskette Magazine Drive 113...

Page 399: ...on and the read write head carriage will move to cylinder 40 Install a jumper from THP 4 single step bed to TH P 1 G ground Use the advance motor option of the stepper motor test to single step the be...

Page 400: ...test pins for the new style picker Condition of Stepper Motor Phases at Cyl Cyl Cyl Cyl Cyl 40 41 42 43 44 Up Down Down Up Up Up Up Down Down Up Down Up Up Down Down Down Down Up Up Down Up level 5 Vd...

Page 401: ...the read write head carriage will move to cylinder 40 Install a jumper from THP 3 single step picker to THP 1 G ground Use the advance motor option of the stepper motor test to single step the picker...

Page 402: ...new style picker Condition of Stepper Motor Phases at Cyl Cyl Cyl Cyl Cyl 40 41 42 43 44 Up Down Down Up Up Up Up Down Down Up Down Up Up Down Down Down Down Up Up Down Up level 5 Vdc Down level Grou...

Page 403: ...ea suspect a worn head TUs E1 9A and 9B may be run to indicate the quality of the head in your system 27 920 Diskette Test Descriptions Diskette analysis This routine reads the complete diskette writt...

Page 404: ...ity than on diskettes with the best quality J TU 9B This TU runs only on a diskette 2D This o TU writes on each sector of cylinder 4C with the inner tracks line off not normal and then writes a differ...

Page 405: ...amplitude o n a diskette with a very small scratch will not be as visible Example 1 The TU E1 printout indicates that data did not compare on cylinder 24 head 1 sector 11 byte 93 To scope this failure...

Page 406: ...1 from the displays enter an E after selecting the sector number 10 Select the LOOP ON CMND TABLE option and for this example set the Address Data switches CE panel to 0093 to display byte 93 The loss...

Page 407: ...skette 20 and the head resolution is less than 50 Example Perform the following to scope head resolution 1 Initialize a diskette 20 a Perform an IPL under SSP b Sign on the system if the system has th...

Page 408: ...Y to see the command data field option g Select the scroll fields option h Change the first 8 bytes of M S data field 1 from FF FF FF FF FF FF FF FF j Select an E to exit k Use the default option to e...

Page 409: ...c 124...

Page 410: ...Test Diagnostics Operation 30 440 Setting the Modem Address 30 450 Card Switch Settings Transmit Level 30 460 Board Jumpers 30 470 Line Plate Adjustment 30 480 Couplers and Transmit Level Limiting Ch...

Page 411: ...f duplex or duplex network but the adapter operates in half duplex mode only that is data transmission is in only one direction at a time During transmit operations data is sent from main storage to b...

Page 412: ...1 11 DD DD DE Figure 30 1 MLCA Attachment Location on A Gate 30 100 MLCA Attachment Multiline Communications Adapter 3...

Page 413: ...Switched Network or 4800 Switched Network incorporated protective coupler coupler adapter or World Trade coupler Cable Locations for MLCA Figure 30 2 Cable Tower and Line Plates 4 30 100 IBM 4800 BPS...

Page 414: ...S Integrated Modem Line Adapter 2 EIA CCITT Line Adapter 3 DDSA Line Adapter 4 Analog Wide 8and Adapter Internal Clock Autocall 4800 8PS Integrated Modem A 4800 8PS Integrated Modem 8 Maximum of one p...

Page 415: ...rs on a Ii a a MLCA Controller cards C2 and 02 are turned 180 0 from those on the X and Y connectors 33 2 All the top card connector pins can be probed 3 Pins 04 and 31 of the top card connectors are...

Page 416: ...Connector see Figure 30 4 Modem A Cable o U4 CA LA M2 G2 Line 2 CA n LA 0 J2 M4 Line 4 Modem B Top Card Connector see Figure 30 4 Glock oCable U2D V3 Clock 0 U2 Cable 0 V5 Cable o N2P2 Q2 0 R2S2 T2 U5...

Page 417: ...itched Networks 1200 8PS Integrated Modem Line 3 Line 4 8 for Switched Network not World Trade Public 0 0 Switched Network D Analog Wideband D 87 2 D 88 is open no plate t DDSA 1200 8PS Integrated Mod...

Page 418: ...setting and the configuration record must be set for SO LC operation The NRZI switch setting depends on the remote device and on the modem being used For SOLC all data terminal equipment communicating...

Page 419: ...integrated modem is installed on line 2 3 or 4 see Figures 30 5 and 30 7 for hardware locations on one card and all are plug compatible in the same card socket The modem that is used relies on the net...

Page 420: ...L1 Clock U2 n U Telephone Plug Black Yellow White Red Line Plate S3 1 L1 4 L2 Through D B8 1 on Cabie Tower Note If the 1200 bps integrated modem is installed on line 2 3 or 4 see Figures 30 5 and 30...

Page 421: ...with 2 wire black connection W I r s o e3 u ____ _ U S and Canada Red and Green white Transmit Black and Yellow Receive yellow GJ red 0 0 black green or white 283 B Plug 1200 BPS Modem A B3 Board Note...

Page 422: ...ght Switches R H P G N F M E L 0 K C J B I A Note Switches Nand P are set off for a c1ear to send delay of 230 ms and switch L is set off for an echo clamp delay of 150 ms Figure 30 12 Switch Settings...

Page 423: ...A B3L4G09 A B3L4J05 to A B3L4J13 Line 4 A B3M4G02 to A B3M4G09 A B3M4J05 to A B3M4J13 Clear to send delay of 30 ms set N off and P on recommended for a 4 wire nonswitched line 80 ms set N on and P of...

Page 424: ...a 4 wire nonswitched line 80 ms set K off and J on use only for a special short 2 wire nonswitched line 230 ms set K and J off recommended for a switched line or a 2 wire nonswitched line Note The cl...

Page 425: ...able at the right while performing the adjustments in 30 360 8 7 6 5 4 3 2 Transmit Level A bullet e in the table below indicates that the switch must be on to make a selection Set the switches to the...

Page 426: ...c scale across TP1 and TP2 See Figure 30 16 for the locations of TP1 and TP2 2 3 4 Note Polarity can be reversed with some telephone companies Set the data station to talk status and pick up the hands...

Page 427: ...owB RowA Line Plate EJ Resistor TP2 Ringer 0 G Simulation O H 9 TBl i 1 N 60 4 Figure 30 16 World Trade PSN Line Plate and Cable Connections 18 30 360 External Cable Line Plate Cable TB1 6 Handset 2 T...

Page 428: ...orm diagnostics on the communications line 5 Observe the voltage level of the meter It must be between 4 Vdc and 37 Vdc If it is not attempt jumper position E C B or A 6 Remove the jumpers that were i...

Page 429: ...tion 20 11 If this is a new installation dial the system from a local telephone If you are troubleshooting a problem have your system dialed from the remote system Leave the telephone handset off the...

Page 430: ...of the 4800 bps integrated modem are set to take and execute all LPOA line problem determination aid commands Some LPOA tests run under MOls and others are supplied as stand alone tests under TU sele...

Page 431: ...gramming and the secondary modem station will automatically change speed The station with the secondary modem cannot initialize a change in line speed Maintenance In case of line problems where full s...

Page 432: ...ter Card Line 1 2 3 or 4 To Modem Operator Panel Note For Modem 8 locations see paragraph 30 100 i I r 1 I I I I I L _________ _ J Lightning Protect Card Figure 30 17 4800 BPS Integrated Modem Nonswit...

Page 433: ...1 2 3 or 4 To Modem Operator Panel Note For Modem B locations see paragraph 30 100 Dummy Top Card Connector To Coupler Adapter or Incorporated Protective Coupler or WT Coupler Figure 30 18 Part 1 of...

Page 434: ...Signal Ground Data Modem Ready Coupler Cut Through Off Hook Ring Indicate Data Tip Data Ring External Cable to CBS or Equivalent Data Coupler DA OH DT yellow blue white Figure 30 18 Part 2 of 4 4800 B...

Page 435: ...lack PC brown PR gray T green R red Telephone Line Connection to Jacks RJ45S or RJ45M and RJ41S or RJ41M jack must be set to programmed position Through D 88 Cabie Tower Opening Figure 30 18 Part 3 of...

Page 436: ...andset 2 T2 TB1 7 Handset 1 T1 TB1 8 Telephone 1 L2 TB1 9 Telephone 2 L1 PSN Line Plate Through O B8 on Cabie lovvf i Telephone Plug Black Yellow White Red Figure 30 18 Part 4 of 4 4800 BPS Intearated...

Page 437: ...ernal Coupler Failed switched network Receive Card Check Front End Card Che Processor Card Chec ck k r c J c J c J c J Modem A A 8302 Modem 8 A 83T2 Figure 30 19 4800 BPS Integrated Modem Processor Ca...

Page 438: ...O CARRIER DETECT O MODEM CHECK MANUAL TESTS1 OPERATE LAMP _ LTT RLB LLB ADDRESS L I N E 1 01A B3 Z D Modem A A B3Z5 Modem B A B3Z6 Note Address switches Installed only on nonswitched modem used only w...

Page 439: ...ne or more periods of 256 bps This indicator is on when data errors are not probable This indicator is one when data errors are probable This indicator is on when the Carrier Detect signal is present...

Page 440: ...odem generates a test pattern and transmits it to the receive modem in a local loop to sense any errors The test runs continuously in a loop as long as the Manual Tests switch is in the ST position Pe...

Page 441: ...er from the telephone at the System 34 modem Do not return the handset to the cradle on the hook at this time Have the Manual Tests switch on the remote modem set to the RT receive test position 3 Set...

Page 442: ...evel is set to odBm when the modem is connected to the line through the IBM Incorporated Protective Coupler United States only The IBM Incorporated Protective Coupler automatically adjusts to the corr...

Page 443: ...Code 1 234 1 1 1 1 0 1 1 1 1 0 1 1 0 0 1 1 1 1 0 1 0 1 0 1 1 0 0 1 0 0 0 1 1 1 1 0 0 1 1 0 1 0 1 0 0 0 1 0 1 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 Board Connector Side 123 4 On I Not Used Off ftu 0D0 11 t Us...

Page 444: ...d as a control station add or remove the jumpers as needed See Table 30 2 for the jumpers needed for Model 1 options Model 2 Options Switched Table 30 3 specifies the jumper configuration needed for M...

Page 445: ...tialization RFS Delay 24 ms normal No jumpers needed No jumpers needed 50 ms long see A B3N2P11 A B3N2P08 A B3R2P11 A B3R2P08 Note 2 Carrier Detect Sensitivity Receive Level Above 32 dBm No jumpers ne...

Page 446: ...network connections are limited to local calls inside one central office Because telephone line conditions may change this option needs testing when installed in such a local configuration Adapter Car...

Page 447: ...ent for the 4800 bps integrated modem is the same as the adjustment performed for the 1200 bps integrated modem See procedure 30 360 for the steps to perform the line plate adjustment 30 480 Couplers...

Page 448: ...n n 1 U DDSA UAdapter A B3 Board Note If the DDSA is installed on line 2 3 or 4 see Figures 30 5 and 30 7 for hardware locations Figure 30 23 Digital Data Service Adapter Line 1 30 500 To Channel Serv...

Page 449: ...or multipoint operation disables the channel service unit loop back I Not used for point to point operation enables the channel service unit loop back in test mode Note The bits per second rate must b...

Page 450: ...stand alone modem is either an IBM 3863 3864 or 3865 have the modem configuration switch set to take all LPDA commands F2 L2 EIA CCITT Adapter A B3 Board 2 Transmit Data 3 Receive Data 4 Request to Se...

Page 451: ...4 A B3M4 A A Not used or missing four locations B Not used C Not used o Not used E Not used F Not used G Not used 42 j If you have a multipoint control modem that needs new sync the following jumpers...

Page 452: ...e bit rate on modems with half speed When this line is down half speed is selected The CTS clear to send line indicates that the modem is ready to transmit data On a 4 wire nonswitched line CTS can be...

Page 453: ...04 805 Receivers 813 013 810 807 808 G03 J05 J07 JOg G10 J13 J04 J10 External Modem Signals see Note 2 Request to Send Transmit Data Space Wrap Data Set Ready Clear to Send Receive Data Transmit Timin...

Page 454: ...down level 0 8 V 0 0 V Current at up level 8 milliamperes loaded to the source of the signal Current at down level 1 45 milliamperes maximum supplied to the source Figure 30 28 Normal Input Signals 3...

Page 455: ...and Adapter I I Adapter A B3 Board C Clear to Send D Request to Send E Send Data F Data Set Ready J Transmit Clock K Receive Data L Receive Clock M Carrier Detect A B G and H are not used Note If the...

Page 456: ...1 Line 2 A B3L2 A B3M2 Line 3 A B3L4 Line 4 A B3M4 A Needed 14 locations B Not used A A A A A J Note The communications adapter card switch settings and configuration for this line must be set for dev...

Page 457: ...ndication PWI Signal Ground Cable Tower r I I To External 1 2 3 4 5 6 7 8 9 10 11 12 13 0000000000000 000000000000 14 15161718 19202122232425 RS366 2 3 4 5 6 7 8 13 14 15 16 17 22 Diagnostic Wrap Retu...

Page 458: ...l Lines Call Request 4 DTR Data Line Occupied 22 DSR Digit Signal NB2 15 STBY CD Distant Station Connected 13 RATE Digit Signal NB1 14 RCLK Receive Timing E 8 Digit Signal NB8 17 WRAP Power Indication...

Page 459: ...l A B C o E F Line 1 A B3L2G08 to A B3V2D13 Line 2 A B3M2G08 to A B3V3D13 Line 3 A B3L4G08 to A B3V4D13 Line 4 A B3M4G08 to A B3V5D13 A A Line 1 Line 2 Line 3 Line 4 C A 83L2 A 83M2 A 83L4 A 83M4 8 eo...

Page 460: ...310 Card Switch Settings 31 320 Line Plate Adjustment 31 340 Transmit Level Limiting Check 31 400 2400 BPS Integrated Modem 31 410 Operator Panel 31 414 Test Operate Diagnostics 31 420 Transmit Level...

Page 461: ...tions adapter where the data is serialized and then sent one bit at a time to the modem or digital adapter The modem or digital adapter then sends the bits to the receiving terminal over the communica...

Page 462: ...te 31 100 or Electronic Industries Association Adapter Card or Digital Data Service Adapter IBM 1200 BPS Integrated Modem or Electronic Industries Association Adapter Card or Digital Data Service Adap...

Page 463: ...ork Integrated Modems or COMT81 COMT82 Modem Operator Panels 0 86 0 87 and 0 88 Cable Locations for Data Communications Note See paragraphs 31 120 31 150 and 31 320 for additional hardware description...

Page 464: ...n_t_er_n_a_1C_a_b_l_e____ I Cable i D 87 1 Internal L_L _J ttm l Clock ti Y 2 3 4 5 6 7 EIA CCITT L I N E 2 A A2 Board Transmit Data Receive Data Request to Send Clear to Send Data Set Ready Signal Gr...

Page 465: ...panel on the right side is for line 1 operation and if line 2 is installed its operator panel will be located on the left side see Figure 31 2 The different configurations and cable locations for the...

Page 466: ...3 2 3 0 s i rtt i 0 Located on Cable Tower Cable Tower r I I External Cable To CBS Coupler I I L ____ J SH SG DA eCT OH RI DT DR DA OH DT yellow blue white Switch Hook Signal Ground Data Modem Ready...

Page 467: ...CDT Coupler Through 0 B8 1 on Cable Tower Or red Transmit white yellOW Receive not used with 2 wire I black connection w 2 r s o e2 uJ ____ _ U S A and Canada Red and Green white Transmit Black and Y...

Page 468: ...DT Coupler Through D B8 2 on Cable Tower Or red Transmit white yellOW Receive not used with 2 wire black connection U S A and Canada Red and Green white Transmit Black and Yellow Receive yellow GJ red...

Page 469: ...ted on Cable Tower U S A and Canada Red and Green white Transmit Black and Yellow Receive IT red 0 0 _ black green or white 283 B Plug External Cable to SNBU or CDT Coupler red Transmit Receive white...

Page 470: ...Green white Transmit Black and Yellow Receive _ __ red green or white 283 B Plug External Cable to SNBU or COT Coupler red Transmit Receive white yellow Not Used black Or red GJ yellow green or white...

Page 471: ...and Yellow Receive Line or COT Coupler yellow red black green or white 283 8 Plug DA OH DT yellow blue white External Cable Cable Tower SNBU r To I I CBS Coupler SH SG DA CCT OH RI DT DR Switch Hook...

Page 472: ...itched Black and Yellow Receive Line or COT Coupler yellow red black green or white 283 B Plug DA OH DT yellow blue white External Cable Cable Tower SNBU r To I I CBS Coupler SH SG OA CeT OH RI OT DR...

Page 473: ...on Cable Tower 1 2 3 4 5 6 7 8 9 10 11 12 13 0000000000000 000000000000 14 15 16 1718 19 202122 23 2425 1 Protective Ground 6 Distant Station Connected 7 Signal Ground 11 Transmit Line 13 Receive Line...

Page 474: ...le Tower TO CADUCEE Coffret 1 2 3 4 5 6 7 8 9 10 1112 13 0000000000000 000000000000 14 15 16 17 18 19 20 21 22 23 24 25 Protective Ground 6 Distant Station Connected 7 Signal Ground 11 Transmit Line 1...

Page 475: ...tworks the line plates World Trade public switched networks or at the terminal blocks nonswitched networks Line 1 Cable Tower r Internal Cable Internal Clock Adapter Cards A A2 Board Line 2 Internal C...

Page 476: ...ine Telephone Plate Cable Plug TB1 6 Handset 2 T2 Black TB1 7 Handset 1 T1 Yellow TB1 S Telephone 1 L2 White TB1 9 Telephone 2 L1 Red Line Plate Through O BS 1 on Cable Tower Through 0 BS 2 on Cable T...

Page 477: ...d and Green white Transmit External Cable Black and Yellow Receive red green or white 283 B Plug To Nonswitched Line 2 Line or red L __ I nt e rn a 1 C ab l e__ r 1COT Coupler Transmit white Through 0...

Page 478: ...parts needed for the Digital Data Service Adapter Line 1 Internal Cable 2 L I N E Adapter Cards A A2 Board Line 2 Internal Cable Cable Tower r I I Cable Tower r I I Figure 31 17 Data Communications w...

Page 479: ...ate for World Trade FSL pages FA592 and FA792 show the wiring for COMTB1 and COMTB2 and Figure 31 24 shows the wiring for the line plate D B6 D B7 01 D B8 Nonswitched Network Public Switched Network C...

Page 480: ...er is operating with SOLC or with SOLC and with BSC on the same communi cation line the switch setting and the configuration record must be set for SOLC operation operation The NRZI switch setting dep...

Page 481: ...ransmit level switches A through I as shown in the table at right H G F E 0 C B A 8 7 6 5 4 3 2 Note Switches Nand P are set off for a clear to send delay of 230 ms and switch L is set off for an echo...

Page 482: ...umper from A A2H4J05 to A A2H4J13 line 2 Clear to send aelay or 30 ms set N off and Pon recommended for a 4 wire nonswitched line 80 ms set N on and P off use only for a special short 2 wire nonswitch...

Page 483: ...set K off and J on use only for a special short 2 wire nonswitched line 230 ms set K and J off recommended for a switched line or a 2 wire nonswitched line Note The clear to send delay must always be...

Page 484: ...R as shown in the table at right Figure 31 23 Switch Settings for World Trade Public Switched Netwcrk PSN 31 320 Transmit Level A in the table below indicates that the switch must be on to make a sele...

Page 485: ...320 To adjust the line plate 1 For line 1 attach a jumper from A A2H2B02 the data terminal ready line to A A2H2D08 ground for line 2 attach a jumper from A A2H4B02 to A A2H4D08 Attaching his jumper a...

Page 486: ...th oo e co I t e 9 r M Non Japan ON e_ Figure 31 24 World Trade PSN Line Plate and Cable Connections 31 320 oor L1 t L2 France Only lEEt r r I I I I I I I I L __J L __ External Cable Telephone Cable P...

Page 487: ...n 11 If this is a new installation dial the system from a local telephone If you are troubleshooting a problem have your system dialed from the remote system Leave the telephone handset off the cradle...

Page 488: ...rough T4 this light is off to inform the operator that the modem is not ready for normal operation Talk Data Switch This switch is normally set to Data for all operations but is set to Talk when the D...

Page 489: ...t and should be used only if the local loop test test 1 was correct Transmit data is internally held to a mark level and the scramble pattern is transmitted The remote receiving modem descrambles the...

Page 490: ...T2 mode but the Ready light is off The DTE interface test line which performs the same function as T2 does not inhibit the Ready light 2 The signal quality meter should read 0 when the Signal light i...

Page 491: ...Between T3 and T4 Off Off Note 4 Off On for T4 4 wire Note 3 Note 4 Off Between T4and Off Off Note 4 Off Operate Notes FA707 FA716 FA707 FA707 FA716 FA797 FA797 FA79i FA797 FA797 Force Force Equal Cla...

Page 492: ...ion the receive level at the remote station should be 16 dB less than the transmit level However an acceptable receive level could be from 31 dB up to the same level as the transmit level 31 430 Signa...

Page 493: ...ect circuit is working correctly Remove the jumper If the Operate light continues to flash the dial tone detect adjustment must be made Also if the Operate light stops flashing in less than 3 seconds...

Page 494: ...end I i G2S05 L AI clearto Send 1 I I I I I T2D02 IClear ___ ______ I_____________ Ito I ISend I 1 0_ rface I 1 0 8 e I I I l 1 I Determined by CSCD card jumper options see paragraphs 31 471 through 3...

Page 495: ...ded attach a jumper from K4D11 to T2G03 c This is not a multipoint tributary modem it is not a point to point network The ard installed at P2 is the CADUCE E feature card Card jumpers are shown in par...

Page 496: ...e S3 paragraph 31 475 AA Basic R2 see note 1 and paragraph 31 475 31 460 Notes 1 The modem is internally set for 0 dbm transmit levels Attenuate this level by attaching the appropriate jumper on the 0...

Page 497: ...our locations each o M P 1 H M P 2 J M P 3 K M P 4 L P 5 H L P 6 J L P 7 K L P 8 M N 9 H M N 10 J M N 11 K M N 12 L N 13 H L N 14 J L N 15 K L N Note Transmit level is jumpered for 0 decibels for nons...

Page 498: ...Request to Send Select New Sync c A c Standby Speed Select A A Carrier Detect Send Data A A a Clear to Send I XMT Clock I RCV Clock IrCV Data A A A A B B B B A A A A 8 A1T2 line 1 8 A2T2 line 2 J A N...

Page 499: ...ched Timing Options Network Clear To Send ms Strapping A B G H J P A 0 G H J P 75 A B G H J L R S 147 A B G H J M S 75 A 0 G H J L R S 147 A DIG H J 1 11 S B C G H K Q COG K Q B C G H K P CDGHKP 75 B...

Page 500: ...Needed for 4 wire not used for 2 wire nonswitched line SNBU Transmit Level Attenuation Jumpers Note Transmit level should be marked on coupler For jumper locations C D and E attach one jumper for jum...

Page 501: ...A C E and G attach one jumper for jumper locations B D F and H attach both jumpers Jumper Decibels Locations 0 A C E G 1 B C E G 2 A D E G 3 B D E G 4 A C F G 5 B C F G 6 A D F G 7 B D F G 8 A C E H 9...

Page 502: ...ansmit 8 A1S4 line 1 8 A2S4 line 2 A Not used 8 Needed amplitude equalization C G Not used I 31 476 31 477 CADUCff Feature Card Jumpers A B c 0 I B A1P2 line 1 8 A2P2 line 2 A Not used In the CADUCEE...

Page 503: ...d line with SNBU strapped for 40 db received sensitivity that is the A jumper on the Q2 card is attached and the A jumper on the J4 card is not attached G2S04 Ramp Clock Q2D13 Preamp Output nonswitche...

Page 504: ...h four dots omitted At 2400 bps three full cycles appear between phase changes at 1200 bps six cycles appear between changes Phase changes are staggered Use only Xl probe waveshape may be distorted or...

Page 505: ...robe 46 Waveshape 090 1 J I Scope settings Triggering to internal Time base to 2 ms div Channel 1 to 5 v div Channel 2 to 5 v div Waveshape 160 Scope settings Triggering to on G2S04 Time base to 2 ms...

Page 506: ...er Output Delayed 990 0 1200 bps shift register bit 88 Use only X1 probe waveshape may be distorted or not seen when scoping millivolt signals with X10 probe Waveshape 173C 0 Scope settings Triggering...

Page 507: ...Note The bits per second rate must be set to the rate specified in the customer s order for service to the common carrier Clocking is controlled by the common carrier central office Figure 31 28 Card...

Page 508: ...ine connection The rate select line selects the bit rate on modems with half speed When this line is down half speed is selected The eTS clear to send line indicates that the modem is ready to transmi...

Page 509: ...I 50...

Page 510: ...tion Attachment can be found in the IBM System 34 1255 Attachment Feature Theory Maintenance Manual SY31 0521 The information that would normally be found in sections 80 and 99 ERAP and Diagnostic Ser...

Page 511: ...2...

Page 512: ...50 Information Display System 45 510 Twinaxial Signal Cables 45 520 IBM 5251 Display Stations I 45 525 IBM 5252 Display Stations 45 527 IBM 5255 Display Stations 45 530 IBM 5256 Printer 45 540 IBM 522...

Page 513: ...IBM 5225 Printer Setup Procedure GA34 0085 Get a copy of the Work Station Network Diagram from the IBM System 34 Installation and Modification Reference Manual Program Products and Physical Setup SC21...

Page 514: ...I o This page is intentionally left blank 45 010 Installation Instructions 3...

Page 515: ...k drive belt l Unlock actuator V Check card and cable seating 1 r I Check drive motor ground I t I v I i Drive 45 220 62PC Disk Storage Drive V A B C D I Unlocl actuator 1 V v v Check voltage connecto...

Page 516: ...tower I I Route communications cable thru adapter plate I I J I I I I I I 45 450 IBM 2400 BPS Integrated Modem I I I I I I Connect communications cable in cable tower I I I Route communications cable...

Page 517: ...for failing conditions 45 620 IPL Operation from Diskette Verify that CSIPLIMSIPL works from diskette 45 630 System Diagnostics Verify system configuration Run MDI tests for system unit and base I O 1...

Page 518: ...__ This page is intentionally left blank c 45 010 Installation Instructions 7...

Page 519: ...age YA040 TB5 Feature Power Supply A Ferro see FSL page YA100 TB6 Feature Power Supply B Ferro see FSL page YA120 TB7 Feature Power Supply C Ferro see FSL page YA130 TB8 Feature Power Supply D Ferro s...

Page 520: ...ly A Power Supply 0 Serial Number Plate Power Rating Plate Voltage Label GTB6 Feature Power Supply B Control Supply J GTB1 Base Ferro Control Supply Ci TB10 Figure 45 2 Voltage Label and TB Locations...

Page 521: ...press the motor toward the disk and turn the lockscrew into the disk casting until it is tight Also ensure that the motor tension spring e is seated in its plastic socket 10 For new style motor only I...

Page 522: ...Disk drive packed and ready to ship Figure 45 3 62EH Disk Drive Disk drive unpacked and ready to operate Rear View 45 210 Installation Instructions 11...

Page 523: ...elt smooth side against the pulleys and reinstall the belt guard 5 6 Lift the motor against the belt tensioner spring O When the pin in the shaft is free of the opening G turn the shaft 90 degrees to...

Page 524: ...G Figure 454 62PC Disk Drive 45 220 Installation Instructions 13...

Page 525: ...pulley 0 by hand to ensure that it turns freely With an ohmmeter check for continuity less than 5 ohms from the diskette drive motor frame to the ground connector on the AC line cord This check is to...

Page 526: ...d in the 5211 Printer unpacking and installation instructions Remove the cable tower cover and connect the 5211 printer I O cables and the ground strap to the cable tower as shown in Figure 45 6 00 no...

Page 527: ...the cable to the cable tower connector 0 87 line 1 or to 0 86 line 2 as shown in Figure 45 6 for first or second communications adapter For MLCA see Figure 45 7 to attach the cable to the cable tower...

Page 528: ...stem a Remove the 0 88 plate from the cable tower see Figure 45 6 b Pull the communications cable through the 0 88 opening c Reinstall the 0 88 plate with the cable placed in the location shown in Fig...

Page 529: ...to this C0nnector Attach the printer cable connector labeled 02 the one with one paddle card to this connector Data Communications Connector Line 2 Data Communications Connector Line 1 D B6 and D B7 E...

Page 530: ...for Switched Network not World Trade Public Switched Network Analog Wideband 0 86 1 0 86 2 Line 3 o o 0 87 1 0 87 2 0 88 is open no plate t OOSA 1200 8PS Integrated Modem for World Trade Public Switch...

Page 531: ...45 6 4 Go to paragraph 45 470 45 470 Analog Wideband Adapter If the System 34 that you are installing does not have an analog wideband adapter go to paragraph 45 480 1 Attach the communications cable...

Page 532: ...ructions that let the customer prepare work stations that are part of the IBM 5250 Information Display System If you aid the customer in preparing any of the 5250 Work Stations report this work on the...

Page 533: ...complete If the system console has a group of four switches and a second cable socket Cable Thru feature is installed set the switches as shown in 0 of Figure 45 8 device From socket 2 to socket 1 of...

Page 534: ...es are set for an address of 0 and the terminator switch is set to 1 to terminate the line For the last station on a port the address switches can be set to any valid address and the terminator switch...

Page 535: ...ure 45 9 the installation of the system console is complete If the system console has a terminator switch two address switches and a second cable socket Cable Thru feature is installed set the switche...

Page 536: ...to 1 to terminate the line For the last station on a port the address switches can be set to any valid address and the terminator switch must be set to 1 e With Cable Thru Feature Being Used The addr...

Page 537: ...the system console does not have a terminator switch or any address switches as shown in of Figure 45 10 the installation of the system console is complete 3 If the system console has a group of four...

Page 538: ...nator switch is set to 1 to terminate the line For the last station on a port the address switches can be set to any valid address and the terminator switch must be set to 1 see E e With Cable Thru Fe...

Page 539: ...ss which will be a number from 0 through 6 2 Set the address switches to the address you have received Use the table below to determine the settings of the three address switches work Station Addresse...

Page 540: ...I This page is intentionally left blank I 45 527 Installation Instructions 29...

Page 541: ...le from port 1 2 or 3 of the 5340 to the bottom cable socket on the rear of the 5256 Printer This cable may also come from the output of another work station display station or printer that has the Ca...

Page 542: ...tches are set for an address of 2 the terminator switch must be set to position 1 to terminate the line _ Figure 45 11 5256 Switches and Cable Connections 45 530 e With Cable Thru Feature Being Used i...

Page 543: ...ble from port 1 2 or 3 of the 5340 to the left cable socket on the rear of the 5225 Printer This cable may also come from the output socket of another work station display station or printer that has...

Page 544: ...switches are set for an address of 0 the terminator switch must be set to position 1 to term inate the line Figure 45 12 5225 switches and Cable Connections 45 540 e With Cable Thru Feature Being Use...

Page 545: ...uit breaker CB1 to the On up position System power should not come on Press the Lamp Test switch e on the CE panel The Power Check and Thermal Check indicators on the operator panel should come on The...

Page 546: ...igure 45 13 System 34 Switches 45 610 MSIPL CSIPL STOR SEL AOO COMP DIS TTI DISFTI f1L Sr p RUN FIRST OR SECOND COMMUN ICATIONS ADAPTER COMM 2 CE START o OR LCA SELECT 2 f 3 4 Installation Instruction...

Page 547: ...l installation data table that you filled out earlier to answer the configuration questions for this 4 When the initial program load procedure is feature now Use Figure 45 14 for line 1 Figure correct...

Page 548: ...the diagnostic supervisor main menu d Select the DISKETTE option from the diagnostic supervisor menu to run the diskette MDI tests 6 Go to paragraph 45 800 if the data communications feature is not i...

Page 549: ...ATIONS ADAPTER A A2J2 Set the switches on the data communications adapter card in A A2J2 as instructed in paragraph 3 200 then reinstall the adapter card The device address is hex 80 0 or hex 20 0 Doe...

Page 550: ...e to e and check your answers Go to CD and ensure that the conditions are met Does the customer have SNBU switched network backup Yes No o I I Goto e Does the SNBU have automatic answer Yes No Gotoe D...

Page 551: ...e internal clock feature is automatically installed with a 1200 bps integrated modem Yes No o I Go to E Does the system you are installing have a 2400 bps integrated modem Yes No o I Does the system y...

Page 552: ...50 ms echo clamp delay selected recommended for switched network and two wire nonswitched line Yes No o I Are 30 ms clear to send delay and 0 ms echo clamp delay selected recommended for four wire non...

Page 553: ...ack to e D and check your answers GotoO B O D Communications Facilities Does the customer have two wire with echo suppressors on a nonswitched line without SNBU Yes No o I Does the customer have two w...

Page 554: ...nada db Yes No o I Does the customer have switched network 0 dB to 15 dB __dB Yes No o I If you answer this question no one of your previous answers must be wrong Go back to 0 11 and check your nswers...

Page 555: ...f the customer has SNBU check the clear to send delay and the echo clamp delay that apply to the system that you are installing Go to 41 11 Clear to Send Delay o 7Sms 0147 ms Echo Clamp Delay OOms OSO...

Page 556: ...e is complete e CADUCEE France With CADUCEE the following are needed 2400 bps integrated modem Receiver sensitivity setting of 27 dB Four wire nonswitched line Nonswitched line with a clear to send de...

Page 557: ...ER A A2K2 Set the switches on the data communications adapter card in A A2K2 as instructed in paragraph 31 200 then reinstall the adapter card The device address is hex 80 0 or hex 20 0 Does the modem...

Page 558: ...8 to G and check your answers Go to CD and ensure that the conditions are met Does the customer have SNBU switched network backup Yes No o I I Gotoe Does the SNBU have automatic answer Yes No Got0 8 D...

Page 559: ...dem Note The internal clock feature is automatically installed with a 1200 bps integrated modem Yes No o I Does the system you are installing have a 2400 bps integrated modem Yes No o I Does the syste...

Page 560: ...0 ms echo clamp delay selected recommended for switched network and two wire nonswitched line Yes No o I Are 30 ms clear to send delay and 0 ms echo clamp delay selected recommended for four wire nons...

Page 561: ...Go back to e g and check your answers GotoG fJ 8 0Communications Facilities Does the customer have two wire with echo suppressors on a nonswitched line without SNBU Yes No D J Does the customer have t...

Page 562: ...anada dB Yes No o I Does the customer have switched network 0 dB to 15 dB __dB Yes No o I If you answer this question no one of your previous answers must be wrong Go back to 8 11 and check your answe...

Page 563: ...the customer has SNBU check the clear to send delay and the echo clamp delay that apply to the system that you 0_ are installing Go to G B _ Clear to Send Delay 07Sms 0147 ms Echo Clamp Delay OOms o...

Page 564: ...s complete CD CADUCEE France With CADUCEE the following are needed 2400 bps integrated modem Receiver sensitivity setting of 27 dB o Four wire nonswitched line Nonswitched line with a clear to send de...

Page 565: ...m and which options were taken at installation time It is important to fill out and maintain this table because the MAPs contain reference to it You will need information from the customer or marketin...

Page 566: ...ed Point to point nonswitched Multipoint tributary Multipoint control Hardware Installed EIA CCITT adapter 1200 bps integrated modem Digital data service adapter Analog wideband adapter 4S00 bps integ...

Page 567: ...30 ms 50 ms not recommended 230 ms 150 ms switched or 2 wire nonswitched Transmit Level record db level 4800 BPS Integrated Modem see 30 400 Installed as Modem A Modem B I Communications facility 4 wi...

Page 568: ...uipment 45 730 IBM 1200 BPS Integrated Modem If the system that you are installing does not have a 1200 bps integrated modem go to paragraph 45 740 1 2 3 4 5 Set the switches on the 1200 bps integrate...

Page 569: ...b Set the Test Operate switch on the tributary stations modem to the T4 position and the Test Operate switch on the control stations modem to the T3 position Set the Receive Equalizer switch on the t...

Page 570: ...ogram load operation from diagnostic diskette DIAGB1 with all four Address Data switches set to 0000 See paragraph 45 620 if necessary If there are any check conditions or control storage IPL wrap err...

Page 571: ...e system The correct switch settings are Data switches set to CSIPL and MSIPL switches set to Disk Mode Selector switch set to Proc Run All other switches down If the IBM SSP is not installed the syst...

Page 572: ...220 80 230 General Information Error Recording Analysis Procedure ERAP Electrostatic Discharge ESD Problems Power Distribution for ESD Covers and Frame for ESD I O Devices and Cables for ESD 80 000 E...

Page 573: ...divided into three classes I O counter table error counter table and error history table I O Counter Tables I O counter tables are used to collect statistics by function and device These statistics sh...

Page 574: ...ecrease or remove the source of the static use antistatic solutions on floor coverings keep office equipment from rubbing or hitting the system covers etc The following check and adjustment procedures...

Page 575: ...of the cover flange G to the base at as many points along the flange as possible See Figure 80 1 Adjust the vertical finger stock channels e on each cover to match with the knife edges that are instal...

Page 576: ...I Figure 80 1 Covers and Frames 80 230 Vertical Finger Stock Error Information 5...

Page 577: ...to 0 W1 B1 is tied to ground at both ends of the cable see paragraph 09 120 Check the disk shock mounts for high resistance to ground with the ground strap removed from the frame See paragraphs 09 10...

Page 578: ...330 Index Register 1 XR1 81 340 Index Register 2 XR2 81 350 Operand 1 Op1 81 360 Operand 2 Op2 81 370 Address Translation Registers ATRs 81 371 Instruction Translation Register 81 372 Operand 1 Transl...

Page 579: ...torage processor error history information that is recorded is shown in the following sample printout ERROR HISTORY TABLE FOR MAIN STORAGE PROCESSOR ATRS PROG IAR ARR XRt XR2 OPt OP2 IR ot 02 OP Q MR...

Page 580: ...if the operand addresses are to be determined by indexing using index register 2 The value of the operand address is calculated by adding 1 byte in the instruction being fetched to the index register...

Page 581: ...REGISTER PMR This register contains information that is used to determine if address translation was being used when the error occurred that caused the log out Program Mode Register 4 Bit O off enable...

Page 582: ...tates of the main storage processor when the error occurred Status byte 2 Bit O instruction cannot be executed Bit 1 control gate check Bit 2 local storage register gate check Bit 3 main storage gate...

Page 583: ...c 6...

Page 584: ...History Information Control Processor Sense Bytes General Information Processor Condition Register PCR ILBB Interrupt Level Backup Byte Control Processor Check Byte Byte 0 Port Check Byte Byte 1 Work...

Page 585: ...TORAGE BYT BYT PCR I L a 1 WRO WRl WR2 WR3 WR4 PROCESSOR WR5 WR6 WR7 MAR MAB DATE TIME HEX YYMMDD HHMMSS A2 07 3C 00 0800 3CA2 113F 0000 0000 0000 0000 0000 21A5 21AE 770413 111111 A2 07 18 00 0800 18...

Page 586: ...1 Positive 2 Negative 3 Zero 4 Carry 5 High 6 Low 7 Equal 82 320 ILBB INTERRUPT LEVEL BACKUP BYTE The interrupt level backup byte indicates on which hardware interrupt level the control processor was...

Page 587: ...on about any port checks that were present when the error occurred that caused the log out Port Check Byte Bit Condition o Data bus out parity check 1 Device address not valid 2 Data bus in parity che...

Page 588: ...negative value 06 0006 NU1 Privileged operation issued in nonprivileged mode 07 0007 NU1 Control storage register stack area overflow 08 0008 NUBL NUSL Address translation error logging communication...

Page 589: ...recoverable or invalid sector Disk error no alternative sectors available Disk error defective disk Disk error data accessed may be invalid Address translation error on diskette lOB address Invalid di...

Page 590: ...block not found 43 0067 NUWL Address translation error logging remote work station data 44 0068 NU1 Address translation error executing MOVEI SVC 45 0069 NUER Invalid ID used on MOVEI SVC 46 0070 IOI...

Page 591: ...Required SSP module not found during MSIPL Format 5 extents partially free during file delete Format 5 file count is less than zero An AFA format 1 has an invalid file type Unexpected return code from...

Page 592: ...337 Scan Equal Hit SEHT 83 827 Data Operation Ready 83 339 Scan Not Hit 83 829 Scan Argument Transfer Complete 83 341 Seek Check 83 831 Any Error 83 343 Serializer Deserializer SERDES Check 83 833 Fil...

Page 593: ...Cylinder Address CUR CYL for _ 62PC 83 931 Previous Cylinder Address PREV CYL for 62PC 83 941 Multiple Sector Control Byte N for 62PC r 83 951 Flag Byte F for 62PC 83 961 Cylinder Address CC for 62PC...

Page 594: ...g area Because the error recording information is stored on the disk only the intermittent errors are stored Solid errors will cause the system not to CSIPL or cause a processor check when a program i...

Page 595: ...17 CYCLIC REDUNDANCY CHECKS 0 0 83 319 DBO PARITY CHECKS 0 0 83 321 WRITE DATA ECHO CHECKS 0 0 83 323 CYCLE STEAL OVERRUNS 0 0 83 325 DATA UNSAFE CHECKS 0 0 83 329 NOT VALID SEEK ADDRESS CHECKS 0 0 83...

Page 596: ...CRC check or a no record found check on a write data operation will not cause either of these conditions Instead an alternative sector is assigned and the error is written in ERAP 83 200 ERROR HISTORY...

Page 597: ...transfer check 83 347 the indicated unsafe condition to solve this problem rOO 2 3 Phase lock oscillator 83 349 PLO out of sync check The card interlock causes an unsafe condition which 4 Interrupt t...

Page 598: ...ardware does not synchronize to the data correctly when a data bit is wrong or when reading data that was not written correctly Data not written correctly will always cause a check on the same sector...

Page 599: ...8 83 335 No Record Found NRF This is a microcode check flag and has no associated hardware No record found is normally set to indicate that some hardware check occurred and prevented the read ID of a...

Page 600: ...ocessor 83 349 Phase Lock Oscillator PLO Out of Sync Check This check indicates a problem occurred in the servo system Noise is the usual cause of intermittent phase lock oscillator out of sync checks...

Page 601: ...y no heads being selected because of a loose cable Failure 2 is usually caused by a damaged W183 card 83 365 Brake Failure Check This check occurs when an overcurrent or undercurrent is sensed in the...

Page 602: ...ress select Causes the disk data field address to point to control storage 6 7 83 421 Modifier bits Describes disk start input output command functions Bits 67 Control Seek 00 Commands Recalibrate a 1...

Page 603: ...2 or hex 00 to C9 13 2 000 302 or hex 00 to 12E 83 471 HEAD ADDRESS H FOR 62EH The H head address is a single byte hexadecimal address needed by all start input output commands to address the desired...

Page 604: ...ECKS a 0 CA DATA BUS PARITY CHECKS 0 a FORCED END OPERATIONS 0 0 BRAKE APPLIED CHECKS 0 0 TRACK UNAVAILABLE CHECKS 0 0 COMMAND CHECKS 0 0 DATA UNSAFE CHECKS 0 0 SEEK INCOMPLETE CHECKS 0 0 DISK NOT REA...

Page 605: ...alternative sector is assigned and the error is written in ERAP In addition the data is written on the alternative sector and the operation continues 83 700 ERROR HISTORY INFORMATION FOR 62PC The foll...

Page 606: ...7 Not used 7 Time out check 83 871 0 End of operation 83 823 0 Disk not attached 83 873 End of track 83 825 Not valid I O buffer 83 875 2 Data operation ready 83 827 address 3 Not used 5 2 4 Not used...

Page 607: ...A A2C2 A A2D2 and A A2E2 cards or exchange the cards 16 83 821 Inbound Interface Error This check indicates that bad parity was sensed by the common adapter either on the tag bus or the CA data bus R...

Page 608: ...e configuration jumpers on the A A2D2 card as instructed in paragraph 10 210 Then reseat the A A2C2 A A2D2 and A A2E2 cards or exchange the cards 83 843 Brake Applied This bit is set if the brake coil...

Page 609: ...ine which needs a power on cycle is active If a brake applied check occurred with the disk not ready check see the brake applied check If a seek incomplete check occurred with the disk not ready check...

Page 610: ...Failure of the disk D2 or F2 card or a failure on the servo track can cause this check 83 871 Time out Check This error is set by the common adapter if there is no response from the disk in 200 millis...

Page 611: ...00 0001 0001 0001 0001 0010 0010 0011 0011 0011 83 911 COMMAND MODIFIER FOR 62PC The bits of the command modifier mean Bit Description o 2 3 4 Data repeat control Causes a single 256 byte field to be...

Page 612: ...ive record 1 may contain bad data The bit is used by the alternative sector assignment routine to flag data in data field 1 of the sector that could not be recovered error free Alternative record 2 ma...

Page 613: ...s is a single byte hexadecimal address used to address one of the 64 records per track ILogical record address arrangement starts sequentially at index X and is skewed by 16 records for each head Head...

Page 614: ...for Level 1 84 420 Record Address REC for Level 1 84 430 Record Size SZ for Level 1 84 700 Error History Information Sample for Level 2 84 750 Error Counter Table Sample for Level 2 84 760 I O Counter...

Page 615: ...level 2 See the Diskette Plug Chart on FSL page AC300 to determine which level of attachment card is used 84 200 ERROR HISTORY INFORMATION SAMPLE FOR LEVEL 1 ERROR HISTORY TABLE FOR DISKETTE VOLUME CO...

Page 616: ...CHES NO OP CONDITIONS INVALID CONTROL RECORD CHECKS WRITE VERIFY MISMATCHES FAST CHECKS WR I TE ERRORS ID NOT FOUND READ OVERRUN CHECKS _ UNEXPECTED ERASE CURRE t PRESENT I O COUNTER TABLE SAMPLE FOR...

Page 617: ...o 1 0 0 o 1 0 1 010 o 1 1 1 Not ready non seek command Not ready seek command Errors not reset Reject head 1 operation Reject MFM operation Write gate or erase gate on If the no operation bit is off b...

Page 618: ...se a data during data movement time invoked address marker was missing of an MFM operation or a cyclic redundancy check should never log as off occurred during a read 6 Write Minimum data movement rat...

Page 619: ...e as the CYL byte in the control field 84 400 CYLINDER ADDRESS CYL FOR LEVEL 1 One byte logical binary address Valid CC addresses are 00 4C This cylinder is the one that was in use when the error occu...

Page 620: ...lot Number ERROR COUNTER TABLE SAMPLE FOR LEVEL 2 84 850 Previous Cylinder I Retry Count ERROR COUNTER TABLE FOR DISKETTE DATE LAST RESET TEMPORARY MISSING DATA ADDRESS MARKS DATA CYCLIC REDUNDANCY CH...

Page 621: ...ad ID 0100 Verify 0101 Write Data and Verify 0110 Write Control Record and Verify 0111 Write ID and Verify Autoloader Command 72MD only Command Code Meaning 1000 Select Diskette 1001 1010 1011 Eject D...

Page 622: ...compare 3 Cylinder The cylinder address byte mismatch of the 10 field and the desired cylinder byte during 10 search did not match 4 6 Not used 7 Seek reverse The last seek was in a reverse direction...

Page 623: ...nimum data rate was command not be executed overrun not maintained reject 5 Data mode On FM off MFM 5 Autoloader Error was sensed when a This bit is off only during data motion command that causes mov...

Page 624: ...for this retry 84 860 PREVIOUS CYLINDER PREV FOR LEVEL 2 This field contains the hexadecimal address of the cylinder that was used before the start cylinder 84 870 START CYLINDER FOR LEVEL 2 Hexadecim...

Page 625: ...12 I...

Page 626: ...eck 85 624 Carriage check 3 speed 85 123 Carriage Check 2 Speed 85 625 Carriage Check 4 Acceleration 85 125 Carriage Check 1 Sync 85 629 Forms Jam Check 85 129 Forms Jam Check 85 631 Ribbon Check 85 1...

Page 627: ...LT SYNC CHECKS BELT SPEED CHECKS TEMP BELT UP TO PERM BELT UP TO PRINTER BUSY TOO PRINTER BUSY TOO CARRIAGE CHECK 1 CARRIAGE CHECK 2 FORMS JAM CHECKS SPEED CHECKS SPEED CHECKS OFTEN CHECKS LONG CHECKS...

Page 628: ...t is needed 85 115 Belt Speed Check The belt up to speed interface line goes not active while the belt go interface line is active 85 101 85 117 Belt Up To Speed Check Temporary Permanent The time bet...

Page 629: ...operator control panel is not connected correctly 85 137 Printer Power Check This counter indicates how many times the printer lost power 85 200 ERROR HISTORY TABL SAMPLE FOR 5211 ERROR HISTORY TABLE...

Page 630: ...table character 16 Hammer echo check 9 8507 Not ready 28 Belt sync check 13 8503 Belt speed check 15 8003 Belt up to speed check 14 8503 Any hammer on check 5 8507 85 203 Status Byte 1 Bit Meaning Pri...

Page 631: ...tus Byte 4 If a hammer echo check byte 0 bit 2 is on status byte 4 contains the number in hexadecimal of the first failing hammer Status byte 4 has the highest test priority 85 211 Status Byte 5 This...

Page 632: ...ITTER CHECKS 0 85 6 1 8553 ANY HAMMER ON CHECKS 3 85 6 8551 HAl mER ECHO C Il C KS 12 85 6 J1 8551 BELT SYNC CHECKS 3 86 613 8553 BELT SPEED CHECKS 0 85 615 8553 BELT UP TO SPEED CHECKS 0 85 6 J1 8553...

Page 633: ...c check is sensed if a 48 character belt is installed but a 64 character belt is needed 8 85 601 85 615 Belt Speed Check The belt up to speed interface line goes not active while the belt go interface...

Page 634: ...k Check A cable interlock check condition is recorded when any interface cable or the cable to the printer operator control panel is not connected correctly 85 631 85 636 Thermal Check 1 This check in...

Page 635: ...rd jumper status bits Bit on no jumper installed bit off jumper is in place oo 01 10 Jumpers are not correctly placed on adapter card 11 650 lines per minute Not used 85 700 85 702 Status Byte 0 With...

Page 636: ...per minute _ _ I 8 I 1Il J v Print subscan emitter 13 check Carriage check 11 01 Carriage check 1 sync check 10 Carriage check 3 speed check 11 Carriage check 4 acceleration check 55 8553 8555 Notes 1...

Page 637: ...5158 Check Interlock Forms Ready Power Condition 0 0 0 1 Printer check 1 0 1 0 1 Carriage check 0 1 0 0 Throat or belt cover open 0 0 1 0 1 End of forms 0 0 0 0 1 Not ready 0 0 0 1 1 If printer error...

Page 638: ...Work Station Controller Error Information Error Counter aoie 5i nnJ Ji Error History Table Sample Sense Bytes General WSC Data Bus Out or Data Bus In Parity Check Operation Check WSC Storage Parity C...

Page 639: ...If you see no pattern go to paragraph 86 200 for a general description of what the recorded information means 86 100 ERROR COUNTER TABLE SAMPLE ERROR COUNTER TABLE FOR WORK STATION CONTROLLER DATE LAS...

Page 640: ...is stopped and the system is informed of the problem The system console indicates a console check after the error is recorded and all display stations go blank 86 270 Operation Check If bit 3 5 or 7...

Page 641: ...4 1 r I I...

Page 642: ...ice Status 1 87 310 Data Stream Reject 87 320 Work Station Control Field Error Information 87 330 Resources Temporarily Not Available 87 350 Screen Format Error Information 87 360 No Response Time out...

Page 643: ...he work station controller and look at the error information that has been recorded If you observe a pattern from the information displayed go to MAP 8700 for aid in correcting the problem If you see...

Page 644: ...ill be described For a description of the error code field see the IBM 5251 MAPs and MIM SY31 0461 ERROR HISTORY TABLE FOR DISPLAY STATION ERROR CONT HOST CA LE STATUS DEVICE STATUS CODE STATUS CONT D...

Page 645: ...ddress insert cursor 1 No response time out 87 360 or repeat to address end 2 Transmit activity check 87 370 Orders 3 Activate command failure 87 375 Row 0 or 24 12 4 Receive parity check 87 380 Colum...

Page 646: ...Restore Screen command is not preceded by Save or Restore Table command Commands other than Clear Unit Save Restore Table Save or Restore Screen are sent after Save or Restore Table is executed OA OF...

Page 647: ...75 87 420 Work Station Response Conditions See the definition of these bits in the Data Areas and Diagnostic Aids Manual LY21 0049 or in the publication for the terminal 87 440 Device Status 0 Device...

Page 648: ...ld Error 88 630 Control Sense Card Check Information 88 640 Servo Power Amp Check 88 330 Resources Temporarily Not Available 88 650 Servo Amp Card Servo Power Amp or 88 350 No Response Time out Forms...

Page 649: ...ok at the error information that was recorded If you observe a pattern from the information displayed go to MAP 8800 for aid in correcting the problem If you see no pattern go to paragraph 86 200 for...

Page 650: ...ISTORY TABLE FOR MATRIX PRINTER P21 ERROR CONTIHOST CABLE STATUS DEVICE STATUS CODE STATUS CaNT DEVICE a BINARY C030 0238 0238 0238 0238 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 000...

Page 651: ...ler storage parity check 88 340 6 Ignore 88 250 Device Status 1 5256 7 Long time out 88 340 Bit Description 88 220 Controller Cable Status Byte 0 Wire check 88 470 Slow speed check 88 480 Bit Descript...

Page 652: ...check 0100 0010 Servo power amp 88 640 88 330 Resources Temporarily Not Available check 0100 0011 Servo amp card Device Status Byte 0 servo power amp or forms motor check 88 650 Code Description 0100...

Page 653: ...ation has taken too long to process a command sent by the work station controller 88 400 Line Parity Check A parity check has been sensed at the printer 88 410 Unit Not Available Indicates that the 52...

Page 654: ...tuator Carrier Motor Check An error was sensed in the servo amp card the servo power amp or in the actuator carrier motor in the printer 88 590 Actuator Carrier Motor Overcurrent Too much current was...

Page 655: ...heck An error was sensed in the printer dot image generator card 88 710 Wire Latch Card Check An error was sensed in the printer wire latch card 8 88 660 88 720 Pedestal Check An error was sensed in t...

Page 656: ...dress 89 260 Line Q Header 89 000 Data Communications 89 300 Error Counter Table for SOLe 89 310 CRC Errors 89 320 Invalid Frames Received 89 330 Lost Data Set Ready 89 340 Nonproductive Receive Time...

Page 657: ...9 130 OE wo 89 140 89 150 89 160 89 110 Command Code Bits Meaning 0 3 Attachment address 8 4567 0000 0010 a a 1 1 0100 a 1 a 1 a 1 1 a 1000 Notes Control command see 89 120 Receive initial delayed com...

Page 658: ...n lost 22 Invalid switched line 4B Invalid ASCII 10 received 23 Data lost buffer exceeded 40 Invalid request 24 Abort received 4E Delay count exceeded 25 Abort disconnect received 4F Permanent error 2...

Page 659: ...ledgment from the remote station 89 170 Aborts Received End of transmission EDT was sent by the remote station in response to receiving a message test 89 172 Adapter Checks During Transmission The ada...

Page 660: ...ol command Command modifier Hex 80 disable Hex CO enable 04 08 89 240 Transmit command poll final bit on Receive initial command only Transmit final command Transmit only command Transmit initial comm...

Page 661: ...ion S supervisory and NS nonsequenced 2 Nr is the sequence number of the next expected frame Ns is the sequence number of the last frame that was sent 3 P F is either the poll bit from the primary sta...

Page 662: ...e length specified in the bind 89 330 Lost Data Set Ready On a switched network the modem was ready and went not ready Because of this the data set ready line goes not active and communication is term...

Page 663: ...ENU EF RDF HISTDr Y Tc BI E FOF t1L CC CONTF OLI EF BYT BYT peR II 0 i WRO WRi WR2 WR3 WR4 WR5 WR6 WR7 MAR MAB HEX A A 6 6 66 6666 6666 ff 0000 22 07 08 00 7FFO 0000 FFFF 3922 22 07 08 00 62FO 0000 FF...

Page 664: ...ues of the registers to be not valid 89 450 Controller Check Byte Byte 0 The controller check byte contains information about the controller checks that were present when the error occurred that cause...

Page 665: ...sually the MAP contains the address of the next microinstruction after the last branch and link microinstruction executed on the interrupt level 89495 Date and Time The date and time recorded in the e...

Page 666: ...variable x indicates the 4 low order bits of the command EB Ee The autocall unit has received a telephone number with a length of zero Data Terminal Ready DTR is off for the communications line xy Th...

Page 667: ...l UNIT PORT 3 DATE LAST RESET 80 05 13 PHONE CALL ATTEMPTS 9 END OF TABLE 89 550 Error Counter Table Sample The autocall error counter table keeps track of the number of errors that occur in each of s...

Page 668: ...ions and Line Printers I O Controller Display Dump Under SSP Control How to Run Error Recording Analysis Procedure ERAP How to Run System Test SYSTST Data Communications Diagnostic Programs Summary of...

Page 669: ...er might determine that a register in the attachment can be set and reset Each time a TU test executes it passes result bytes to the MDI supervisor program The result bytes are used by the MDI supervi...

Page 670: ...IPL diagnostics wrap tests is to automatically test most of the system logic each time the Load key is pressed V Jhen the CSIPL di gnostics find an error either the Processor Check light turns on or t...

Page 671: ...storage and permit changing of the Address Data switches to FB01 FB02 FC01 or FC02 FA02 Stop after the second load of control storage and permit changing of the Address Data switches to FB01 FB02 FC01...

Page 672: ...system is at a reset condition Conditional branching by setting bits on in the condition register with the SBN SBF load PCR instructions Display light byte O bit 2 is turned off at the end of this ro...

Page 673: ...mal 90 OCR WR3L 41 Shift 2 bytes left SLLD Contents Description 42 Subtract register sR 1 byte from 2 20 Reset display light byte 0 bit 3 bytes C MPLF reset carry Reset carry set equal MPLF PCRWRNX Lo...

Page 674: ...te 0 bit 4 Third load is done here If the load device gets a processor check display light byte 0 bit 5 remains on and WR3L contains hexadecimal 90 WR3l Contents 71 72 73 74 75 76 77 78 79 Description...

Page 675: ...ailed MSP compare POS Subtract zoned test failed Subtract logical characters test failed Zero and add zoned test failed Indexed addressing test failed Edit mode test failed Insert and test character t...

Page 676: ...wrap error code on the system console Generally when the work station attachment or system console wrap tests sense an error the Processor Check and Console Check lights are on and all 3 Proc Interru...

Page 677: ...ter Wrap Error Codes If your system stops during a tSIPL operation from the DIAGB1 diskette and displays one of the following printer wrap error codes select the TU Select option from the main menu to...

Page 678: ...Printer EOEOOOO4 EOEOOOO5 EOEOOOO7 EOEOOOO8 EOEOOOOA EOEOOO2C EOEOOO2B EOEOOO30 EOEOOO4E EOEOOO60 EOEOOO62 EOE00063 EOEOOO65 EOE00067 EOEOOO68 EOEOOO6F EOEOOO70 EOEOOO74 EOEOOO75 EOEOOO76 EOEOOO79 EO...

Page 679: ...ep to run the test and stop 4 Press the CE Start switch to start the test Halt Code Meanings 0003 Work station attachment TU select test result halt The diagnostic supervisor has run a TU test and set...

Page 680: ...th customer jobs To run the BSCA online tests see paragraph 99 075 to run the SDLC online tests see paragraph 99 074 to run the MLCA online test see paragraph 99 076 The run time for concurrent tests...

Page 681: ...sor from DIAGB1 the 5211 tests from DIAGB3 the 3262 tests from DIAGB3N or the 1255 tests from DIAGB6 14 99 041 To terminate a test running under the concurrent supervisor do the following 1 Press the...

Page 682: ...system console is selected as the output device When any I O error that is not expected occurs on devices that are not being tested it is best to restart After the diagnostic supervisor is loaded the...

Page 683: ...B4 contains MDI diagnostics for the work station attachment DIAGB7 contains MDI diagnostics exerciser programs and the Initialize and Analyze Utility programs for the disk Note There are different par...

Page 684: ...IC UTILITIES Generally the descriptions of the utilities assume that you will select the display on the system console as your output device System Configure Utility The diagnostic diskettes that are...

Page 685: ...nged 18 99 055 Patch Checks The system customiz utility checks for two types of patches controlled patches those patches sent to you from IBM engineering and free lance patches those patches generated...

Page 686: ...tions the utility records their part numbers in an exception list The disk controlled patch table is built by making a chain of the patch tables from the DIAGB1 DIAGB2 DIAGF1 DIAGF2 and DIAGFA diskett...

Page 687: ...er is formatted as a single 4096 byte sector and all the other cylinders are formatted as eight sectors each containing 512 bytes The initializing process writes all sector IDs and address markers but...

Page 688: ...es the diskette ID and status of the modules new deleted or exchanged module replace A table of stored patches to be put on the DIAGXX diskettes 99 055 In operation this option instructs you to insert...

Page 689: ...message is displayed 22 Before entering the data for a patch you must enter the header The information contained in the header is The module 10 or name The offset The header and each following part of...

Page 690: ...that is a disk based microcode module that is identified by a control store directory entry Before you can enter a patch you must enter the following information as a header 99 055 The module 10 A cod...

Page 691: ...skette the program assumes that 0lAGF1 has already been inserted If however the diskette is not in the diskette drive the program prompts you to insert it 4 The program does the next step Using the sy...

Page 692: ...the sector having the module name LEVEL Microcode Level Table This table is on the disk and the DIAGF1 diskette The table contains the 4 digit release level number of the microcode and the last patch...

Page 693: ...m console or be printed on the system printer If the messages are displayed on the system console up to seven messages can be displayed at one time These messages can not be displayed again after the...

Page 694: ...e current cylinder Hex 000 167 Valid for all messages see 83 961 The ID that the utility expected to find on the disk for the sector see 83 951 This field is not used for the following messages DISK S...

Page 695: ...DEFECT keep the heads on track UNREADABLE ID Error The utility could not read a sector ID MFG Reassigned A defective sector has been REASSIGNED Defect assigned to a sector on the DEFECT alternative cy...

Page 696: ...first defective No action required DEFECT Defect sector on the track that was found when the disk was made This sector and all following sectors are moved one sector from their original position If th...

Page 697: ...UTION The use of the following option option 2 can destroy customer data Option 2 of the 62PC disk analyze utility reads and displays one track of IDs This option can be used to correct sector ID erro...

Page 698: ...2042E 0034042E 0036042E 0038042E 003A042E 003C042E 003E042E 0000042E 0002042E 0004042E 0006042E 0008042E 000A042E 000C042E 000E042E 0010042E 0012042E 0014042E 0016042E 0018042E 001 A042E 001 C042E 001...

Page 699: ...or disk drives that have not been initialized or for disk drives for which the DIAGAO diskette has been lost On systems with three or four 62PC disk drives verify that you are using the correct DIAGAO...

Page 700: ...signed and user assigned are in the same physical locations cylinder head and sector the disk unit is the likely cause Replace the disk unit If the defects are not in the same physical locations an in...

Page 701: ...tatus error occurred on a read 10 operation A primary sector 10 was defective identified by an active sector 10 flag but an alternative sector was not assigned to the primary sector An alternative sec...

Page 702: ...rd Note The original list of all defective sectors is on a label s on the disk enclosure c If the DIAGAO diskette is lost the DIAGB7 diskette can be used to complete the initialization and a temporary...

Page 703: ...panel Generally you will run them in automatic mode first There are approximately 90 TU tests in the good machine path If they all run and pass good results no failures to the MOl processor the run ti...

Page 704: ...ll identify the failing FRU or points to a hard MAP for more 3 When the system stops with hexadecimal 0001 in diagnostics see Procedure for Using Automatic WRO set the Mode Selector switch to Proc Run...

Page 705: ...ast two digits WR4 Expected TU result bytes 1 and 2 WR5 Expected TU result bytes 3 and 4 WR6 Received TU result bytes 1 and 2 WR7 Received TU result bytes 3 and 4 See paragraph 99 999 for TU result by...

Page 706: ...r switch to Proc Run if you want to loop on the TU test or set Mode Selector switch to Sys Insn Step if you want to run the test and stop 6 Press CE Start 7 99 064 If your option was to run the test a...

Page 707: ...played To run the device TU select do the following 1 Enter the last two digits of the TU 10 to be run These digits can be determined by doing a scroll through the TU select menus until the desired TU...

Page 708: ...mode option and enter device unit address Work station COXY X cable address Y station address 3262 Line Printer E200 5211 Line Printer EOOO c Press the Enter key 3 Press the Field Exit key to exit alt...

Page 709: ...4 Press the Field Exit key to exit alter display mode Note When you exit from alter display mode after interrupting the line printer controller with an 8 option various registers and counters are set...

Page 710: ...yte 1 Controller host status Byte 2 Controller cable status Byte 3 Device cable status Byte 4 Not used Byte 5 Device status byte 0 Note Device status byte 1 is not used and is not displayed After the...

Page 711: ...During normal operation SDLC or BSC programs can start the wrap tests to test the MLCA controller storage communications adapter and IBM modem when a permanent error condition is present In some cases...

Page 712: ...ures or to direct you into hard MAPs to isolate the problem Always test the MLCA controller before testing communications line hardware For most problems you can isolate a FRU using hard MAPs For soli...

Page 713: ...m Diagnostics written in microcode operate under the diagnostic supervisor 46 99 071 SDLC Online Test The SDLC online test is also known as the SDLC link test Function Operate and test the communicati...

Page 714: ...for the communications line and the MLCA controller and supply programs to print traced data and commands Location of Program DIAGB5ML Name of Program COMMTST Type of Program Written in main storage...

Page 715: ...mode on a switched network starting the test again will drop the line 48 99 0i3 Bit Rate Stand alone Test Description Measure the modem clock speed in bits per second while transmitting data through...

Page 716: ...rent options To terminate the program and return to DCP press the Attn key To change Address switch settings while the program is running always turn the Mode Selector switch to the Insn Step Dply LSR...

Page 717: ...tine is used to support other systems that are transmitting a test When the responder station routine is selected it will go into a receive condition waiting for a test message When one is received it...

Page 718: ...Comm Dply switch CE panel to the On position c If two communications lines are installed set the Comm 1 Comm 2 switch CE panel to the position of the communications line you are testing d Select the c...

Page 719: ...g message for World Trade countries b Enter the two digit repeat number VY but do not press the Enter key A YY count of 00 defaults to one transmission c Put the telephone in talk mode and dial the ot...

Page 720: ...quester station Operating Procedures for SOLe Online Test Requester Station Routine For World Trade countries with a switched connection make the telephone connection now see step 8 of the Operating P...

Page 721: ...ted on the local station 99 074 Switched Network Backup Switched network backup SNBU makes reference to a switched line that can be used when the nonswitched line has a failure and if an SNBU modem is...

Page 722: ...selected the first message type and the repeat count that you select is automatically used for the next test as soon as the preceding sequence has completed With this option you can set the test to ru...

Page 723: ...N TRANSMIT ABORTIVE Data Set Ready was made not DISCONNECT active CHECK DATA SET READY Data Set Ready not on DROPPED NO UDT EXISTS Data communications is not in CONFIGURE THE the UDT configuration SYS...

Page 724: ...elephone line Reload the online test and select the normal termination option to disconnect the telephone line 99 075 If Printer Spool Function is active when you press the Print key on the keyboard t...

Page 725: ...ages for a description of the messages Operating Procedures for Online Responder This test is sometimes known as link responder or over the line responder test Steps 1 6 These steps are the same as BS...

Page 726: ...e For the MLCA the SNBU feature can be selected only if you have an external modem that has the SNBU feature installed Line Speed 1 Half 2 Full You can select either of two transmission rates If the 2...

Page 727: ...as and Diagnostic Aids Manual LY21 0049 3 Message 00 or 01 Data Entry option 3 for first or second communications adapter option 6 for MLCA This special type of message permits you to enter any data a...

Page 728: ...indicates communication took place we sent ENQ and received an acknowledgment of ACKO from the other station but then a failure occurred Current YY is __ means the present condition of the YY counter...

Page 729: ...EOT RECEIVED Message count is zero but no EOT was received INVALID XX VALUE The message number obtained from the RFT message was invalid INVALID YY VALUE The message count obtained from the RFT messag...

Page 730: ...am This test is automatically selected by BSC and SDLC programs when a communications line has a permanent error In this case the traces are moved to disk area MLTA and are displayed by using COMMTST...

Page 731: ...lected by you the error transient will automatically post a system message that an MLCA controller check has occurred Ignore this message Print CE Trace or Print Automatic Trace COMMTST Options 3 and...

Page 732: ...34 sends only even acknowledgments ACKO when receiving data but will receive either even acknowledgments or odd acknowledgments ACKO or ACK1 o data it sends 2 System 34 can only be a requester on a mu...

Page 733: ...even acknowledgments or odd acknowledgments ACKO or ACK1 to data it sends 2 System 34 can only be a requester on a multipoint network 3 System 34 in responder mode for message 01 can receive messages...

Page 734: ...ACKO when receiving data but will receive either even acknowledgments or odd acknowledgments ACKO or ACK1 to data it sends 2 System 34 can only be a requester on a multipoint network 99 077 Table 5 On...

Page 735: ...245 EBCDIC characters all EBCDIC ASCII NO except DLC 00 01 05 06 I 05 117 ASCII characters all ASCII except DLC Responder Routine 06 36 ASCII characters A Z 0 9 Multipoint No applicable messages 14 3...

Page 736: ...lock Even acknowledge ACKO 1070 1030 Odd acknowledge ACKl 1061 1031 Wait before transmit positive WACK 106B 103B acknowledge Mandatory disconnect DISC 1037 1004 Reverse interrupt RVI 107C 103C Tempora...

Page 737: ...med 1 Sense Load MSP Registers This program will sense and display the contents of all the registers in the MSP Some of the registers can also be loaded with new data This permits you to preset regist...

Page 738: ...090 9 The next menu requests the starting step number Select the step Step 1 is recommended 10 MDI starts executing when you press the Enter key Note With the Mode Selector switch in Sys Insn Step th...

Page 739: ...and step numbers 1 Select MOls from the main menu 2 Select a device insert the correct diskette and press the Enter key 3 The first display shows you the starting MAP and step numbers for the good ma...

Page 740: ...rects you to MAP 0190 Entry Point B To run the tests again without loading the MSP mini MOl again press the Enter key on the system console To step through the test set the Address Data switches to EE...

Page 741: ...R 34 Sense the MSP Q register 12 Load PMR with X 55 and sense the PMR 35 Load and sense MSP OP 2 high byte with 13 Load PMR with X AA and sense the PMR X OO C 14 Load CCR with X QQ and sense the CCR 3...

Page 742: ...w byte with X OO Load and sense OP 2 low byte with X FF Initialize OP 2 low to X 55 OP 2 high to X AA and sense OP 1 low Load MSP PSR with X FF and sense Sense all MSP registers and ATRs Store bad par...

Page 743: ...ng bad 82 Execute a Move Character instruction in the parity MSP is in check mode MSP and stop after the high byte of operand 2 has been executed 98 Execute a Move Character instruction and access mai...

Page 744: ...T CONTROLLER MEMORY ADDRESSING CONTROLLER MEMORY TEST MEMORY TEST 000 2SS 99 999 The printout has a short description of what each TU test does and has the meanings of significant bits in the result b...

Page 745: ...D REPORTS THE RESULTS RESULT BYTE 1 0 3 NOT USED 4 DIAG SET CS XFER FAILED 5 6 NOT USED 7 ADAPTER RESET FAILED RESUL T BYTE 2 0 7 NOT USED 78 TC004 U INTERRUPT REQUEST ENABLE TC004 TESTS THE ABILITY O...

Page 746: ...OOA JIO FUNCTIONS TCOOA TESTS THE JIO FUNCTIONS AVAILABLE TO THE CPU THE PROGRAM EXERCISES THE JIO S AND COMPARES THE RESULTS WITH A STANDARD AND REPORTS THE RESULTS RESULT BYTE 1 0 3 NOT USED 4 NOT A...

Page 747: ...LER OP CHECK LATCH TCOlO TESTS THE ABILITY OF THE CONTROLLER TO SET AND RESET THE tOP CHECK LATCH THIS TEST CAUSES THE CONTROLLER TO SET AND RESET THE CONTROLLER OP CHECK LATCH AND THE CHANNEL TO SENS...

Page 748: ...4 7 NOT USED RESULT BYTE 2 0 7 NOT USED TC020 CONTROLLER 4 BI T BUS TC020 THIS TEST PASSES AN IAI AND A 5 AND AN A RETURNS WITH A STORED PATTERN OF ISA ANY MISCOMPARE IS A NONFUNCTIONING BIT RESULT B...

Page 749: ...o REG SELECT TEST FAILED 1 7 NOT USED RESULT BYTE 2 0 7 NOT USED 82 TC034 TC035 TC036 CONTROLLER REG DATA 5 THIS TEST LOADS A DATA PATTERN OF 5 IN EACH REG AND THEN SENDS THIS VALUE BACK TO THE CONTRO...

Page 750: ...H CONTROL STORE SENSE INSTRUCTION THIS TEST GENERATES A NONZERO CONDITION IN THE ALU THE CONTROL STORE PROGRAM SENSES THIS CONDITION AND CHECKS ALU NONZERO IS ON AND ALU ZERO AND ALU CARRY ARE a F RES...

Page 751: ...D SHOULD 6 BRANCH ON ZERO BZ DID NOT BRANCH AND SHOULD 7 BRANCH UNCONDITIONAL B DID NOT BRANCH AND SHOULD RESUL T BYTE 2 0 7 NOT USED 84 TC042 CONTROLLER ALU TEST TEST SETTING OF ALU NON ZERO INDICATI...

Page 752: ...ERO BZ DID NOT BRANCH AND SHOULD 7 BRANCH UNCONDITIONAL 8 DID NOT BRANCH AND SHOULD RESUL T BYTE 2 0 7 NOT USED TC046 CONTROLLER ALU TEST TEST SETTING OF ALU ZERO NON ZERO AND CARRY CONDITIONS THIS PR...

Page 753: ...THAT EACH BRANCH DOES BRANCH AND THAT EACH RETURN INSTRUCTION RETURNS TO THE ADDRESS IMMEDIATELY AFTER THE BRANCH AND LINK INSTRUCTION RESULT BYTE 1 0 1 NOT USED 2 CONTROLLER FAILED TO INTERRUPT SYSTE...

Page 754: ...SING THE VALUE IN THE DAR AS THE BRANCH TO ADDRESS RESUL T BYTE 1 0 3 NOT USED TC058 4 UNKNOWN ERROR 99 999 6 8KAN H wENT TO i CORRECT LOCATION BRANCH VIA DAR BR TO LOCATION OAAA DID NOT BRANCH 7 BRAN...

Page 755: ...NCH AND SHOULD 6 BRANCH ON ZERO BZ DID NOT BRANCH AND SHOULD 7 BRANCH UNCONDITIONAL B DID NOT BRANCH AND SHOULD RESUL T BYTE 2 0 5 NOT USED 6 BRANCH ON NEGATIVE BN DID BRANCH AND SHOULD NOT 7 BRANCH O...

Page 756: ...NCH AND SHOULD NOT 7 BRANCH ON CARRY BCY DID BRANCH AND SHOULD NOT TC05F CONTROLLER AND NRH TEST TEST SETTING OF ALU ZERO AND TC05F NON ZERO INDICATIONS WITH THE NRH INSTRUCTION THIS PROGRAM TESTS THA...

Page 757: ...R INSTRUCTION THIS PROGRAM TESTS THAT THE NRS INSTRUCTION ADOS THE NON ZERO CONDITION IT ALSO TESTS THAT ALL INSTRUCTIONS THAT SHOULD BRANCH 00 AND THAT ALL INSTRUCTIONS THAT SHOULD NOT BRANCH 00 NOT...

Page 758: ...ULT BYTE 1 0 1 NOT USED 2 Y REG IS ZERO AFTER AND INHIBIT SUMMARY INST 3 BRANCH ON NOT ZERO BNZ DID NOT BRANCH AND SHOULD 4 BRANCH ON NEGATIVE BN DID NOT BRANCH AND SHOULD 5 BRANCH ON CARRY BCY DID BR...

Page 759: ...6 BRANCH ON ZERO BZ ID BRANCH AND SHOULD NOT 7 BRANCH ON CARRV BCV DID BRANCH AND SHOULD NOT 92 TC067 CONTROLLER ORH TEST TEST SETTING OF ALU ZERO AND TC067 NON ZERO INDICATIONS WITH THE ORH INSTRUCTI...

Page 760: ...ZERO BZ DID BRANCH AND SHOULD NOT 7 BRANCH ON CARRY BCY DID BRANCH AND SHOULD NOT TC069 CONTROLLER XR TEST TEST SETTING OF ALU ZERO AND TC069 NON ZERO INDICATIONS WITH THE XR INSTRUCTION THIS PROGRAM...

Page 761: ...NCH ON ZERO BZ DID BRANCH AND SHOULD NOT 7 BRANCH ON CARRY BCY DID BRANCH AND SHOULD NOT 94 TC06B CONTROLLER XRH TEST TEST SETTING OF ALU ZERO AND TC06B NON ZERO INDICATIONS WITH THE XRH INSTRUCTION T...

Page 762: ...THE STATUS OF THE CONTROLLER SENSE BIT IS SENT TO THE HOST SYSTEM FOR VERIFICATION OF CORRECT STATUS IT ALSO TESTS THE LOADING OF THE CBIB IT F I EL 0 WIT H 5 ANO A TC06D THE PROGRAM SENSES THE VALUE...

Page 763: ...1 0 4 NOT USED 5 CYCLE STEAL TRANSFER CHECK SENSE BIT ON AFTER A 1 BYTE DATA XFER FROM CONTROLLER TO HOST 6 DATA ADDRESS IN WR5IL4 AS INCREMENTED AFTER A 1 BYTE DATA TRANSFER WHEN IT WAS NOT SUPPOSED...

Page 764: ...FROM THE HOST CONTROL STORE TO THE CONTROLLER RESULT BYTE 2 0 7 NOT USED 99 999 TC073 CONTROLLER CYCLE STEAL TEST TC073 THIS PROGRAM TESTS THE CY LE STEALING OF 6 BYTES OF DATA FROM THE HOST CONTROL S...

Page 765: ...ADDRESS 3 FAILED TEST 4 7 NOT USED RESULT BYTE 2 0 7 NOT USED 98 TCOA4 W S CONSOLE POLL TCOA4 THIS PROGRAM POLLS THE WORK STATION CONTROL CONSOLE AND REPORTS ANY ERRORS OR CHECKS ENCOUNTERED RESUL T B...

Page 766: ...oici 53ru adjustment 25 530 removal machines with taper pin block 25 540 machines without taper pin block replacement machines with taper block 25 545 machines without taper pin block service check 25...

Page 767: ...0 750 autocall adapter 30 850 CAOUCEE 31 477 channel interface 62PC 10 210 X 2 card jumpers continued digital data service adapter OOSA first or second communications adapter 31 500 multiline communic...

Page 768: ...11 100 controller dump display I O 99 067 controller step and stop on error modes I O 99 066 cover 33FD 23 130 53FD removal 25 420 replacement 25 430 CSIPL diagnostics 99 010 error codes 99 020 _ _ _...

Page 769: ...tions 27 910 head wear 27 950 service check 27 900 test descriptions 27 920 diskette protection 33FD 23 090 53FD 25 120 72MD 27 120 diskette quality service check 33FD 23 310 53FD 25 991 diskette ship...

Page 770: ...80 MSP 99 085 external modem EIA CCITT connection 45 710 E10 pO v cr connector location 05 360 fan assembly card gate 62PC 10 130 fault locating tests data communications 99 072 feature distribution a...

Page 771: ...iagnostic diskette information 45 045 option F800 99 015 procedure 45 630 X 6 hovv to continued run System Test SYSTST 99 069 run the error recording and analysis procedure ERAP 99 068 run the Main St...

Page 772: ...interface EIA CCITT 31 600 internal clock first or second communications adapter 31 100 EIA CCITT adapter 31 110 1200 bps integrated modem 31 130 multiline communications adapter EIA CCITT adapter 30...

Page 773: ...05 200 printer attachment 3262 08 100 5211 07 100 work station attachment 11 100 external cables 31 150 X 8 1200 bps integrated modem 31 130 2400 bps integrated modem 31 120 logic board multiline com...

Page 774: ...river program 99 076 diagnostic programs 99 070 through 99 076 digital data service adapter 30 500 installation 45 700 45 720 locations 30 51 0 EIA CCITT adapter 30 600 card jumpers 30 650 control lin...

Page 775: ...3262 08 500 5211 07 500 controller card 3262 08 100 5211 07 100 locations 3262 08 100 5211 07 100 maintenance 3262 08 200 5211 07 200 top card connectors X 10 3262 08 300 5211 07 300 printer attachme...

Page 776: ...ard MLCA 02 080 wrap plug communications 02 080 33FD 23 070 alignment 23 070 head cleaning 23 070 53FD 25 030 timing pins 02 080 72MD 27 030 speed adjustment disk drive actuator 62EH 09 140 speed chec...

Page 777: ...M LCA 99 076 tracking belt 53FD 25 570 transducer speed disk 62EH 09 080 Transmit Equalizer and Receive Equalizer switches 31 410 transmit interface jumpers communications 31 472 transmit level see ca...

Page 778: ...ly 23 100 drive motor 23 170 drive pulley 23 190 file control card pins 23 290 removal and replacement 23 230 23 290 test points 23 290 33FD diskette drive continued head and pressure pad cleaning 23...

Page 779: ...replacement 25 430 53FD diskette drive continued diskette protection 25 120 diskette speed service check 25 790 drive band adjustment 25 740 removal 25 750 replacement 25 760 service check 25 730 driv...

Page 780: ...o picker cam stepper motor service check 27 800 head carriage adjustment 27 605 pulley and clamp removal replacement 27 620 removal replacement 27 610 service check 27 600 stepper motor removal replac...

Page 781: ......

Page 782: ...nd distribute any of the information you supply in any way it believes appropriate without incurring any obligation whatever You may of course continue to use the information you supply No postage nec...

Page 783: ...nnesota 55901 Please do not staple International Business Machines Corporation General Systems Division 4111 Northside Parkway N W P O Box 2150 Atlanta Georgia 30055 U S A only General Business Group...

Page 784: ...BM may use and distribute any of the information you supply in any way it believes appropriate without incurring any obligation whatever You may ofcour l3 continue to use the information you supply No...

Page 785: ...ubl ications Dept 245 Rochester Minnesota 55901 Please do not staple International Business Machines Corporation General Systems Division 4111 Northside Parkway N W P O Box 2150 Atlanta Georgia 30055...

Page 786: ...neral Systems Division 4111 Northside Parkway N W P O Box 2150 Atlanta Georgia 30055 U S A only General Business Group 1nternational 44 South Broadway White Plains New York 10601 U S A Unternational S...

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IBM System/34, Maintenance Manual

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Summary of Contents for System/34

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