IBM 5110 Maintenance Information Manual Download

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Summary of Contents for 5110

Page 1: ..._ IBM 5110 Computer Maintenance Information Manual o it...

Page 2: ...ported in Technical Newsletters or in new editions of this publication Use this publication only as an aid in servicing the IBM 5110 system Publications are not stocked at the address below Requests f...

Page 3: ...ENANCE LIBRARY 1 1 MAINTENANCE 2 1 1 _ THEORY 3 1 DIAGNOSTICS AIOS 4 1 APPENDIXA A 1 Installation Procedures APPENDIX B 8 1 Tools and Test Equipment APPENDIXC Co1 Numbering Systems APPENDIX D 0 1 11 G...

Page 4: ...iv...

Page 5: ...ts and detail location drawings showing the FRUs within a functional unit Maintenance procedures consist of service checks removals replacements and adjustment procedures All procedures and drawings h...

Page 6: ...nce Information Manual SY31 0551 IBM 5110 Serial I O Adapter Feature Maintenance Information Manual SY31 0582 IBM 5110 Parallel I O Adapter Feature Maintenance Information Manual SY31 0583 IBM 5110 As...

Page 7: ...ntenance restore all safety devices such as guards shields signs and grounding wires 12 Each Customer Engineer is responsible for making sure that no action on his part renders products unsafe or expo...

Page 8: ...viii...

Page 9: ...tem Publications Maintenance Library Contents MAPs MAP Organization Using the MAPs MAP Example MAINTENANCE INFORMATION MANUAL Maintenance Theory Diagnostic Aids Appendixes Index 1 2 1 3 1 5 1 6 1 7 1...

Page 10: ...MIMs LOGICs PCs The diagnostic tools contained in the 5110 MLM are Diagnostic tape cartridge Diagnostic diskette Logic board jumpers Wrap connectors Cartridge stop gauge The following chart shows the...

Page 11: ...131 0598 SY31 0581 Language Support MIM 5110 PC 5106 PC SY31 0557 Async Comm MIM ISA21 9306 BASIC Introduction SA21 9308 BASIC Reference L r J SA21 9307 BASIC User s Guide I SA21 9301 APL Introduction...

Page 12: ...er mix publications from system to system always use the publications shipped with the system The contents of the entire 5110 maintenance library are shown in the chart on the following page Notice th...

Page 13: ...skette Unit Display Keyboard Machine Checkout Parallel I O Power Process Check Serial I O Start Tape Read TV Monitor 5103 Printer 5106 Auxiliary Tape Numbering Systems Print Character Information Prev...

Page 14: ...part of the 5110 that requires adjustment or replacement Two types of MAPs are used in the 5110 maintenance library First there are the hard copy printed MAPs within the MLM binder These MAPs are cont...

Page 15: ...through an error code If you are certain the failures is not covered in the Start MAP you canA directly to the other MAPs as indicated by the in the chart All MDls have a MAP as an entry For example M...

Page 16: ...ns FOLLOW INSTRUCTIONS Instructions must be carried out exactly in the order given Questions are based on instructions immediately preceding the questions Do not change the conditions established by t...

Page 17: ...point in this Is the PROCESS CHECK light on7 YN 002 Can you create the PROCESS CHECK7 Y N 003 The MAPs depend on having the PROCESS CHECK on the machine or being able to create the PROCESS CHECK Gath...

Page 18: ...reate the PROCESS CHECK Instruction establishes conditions for answering the Go to the INTERMITTENT FAILURE CHART next question in the 5110 SERVICE AIDS 009 Is the PROCESS CHECK intermittent Question...

Page 19: ...21 272 Power Y1 Socket Pin Assignments 2 44 Service Check 2 21 273 AC Voltage Distribution 2 45 Adjustment 2 21 274 DC Voltage Distribution 2 46 225 Read Write Head 2 23 FEATURES 2 48 Removal 2 23 28...

Page 20: ...2 2 D TopCover fJ Front Cover II Base II Top Cover Screws II Front Cover Screws f...

Page 21: ...2 D Step Switch fJ Run Switch II AC Box under display see 207 II Display see 204 II Alphameric Keyboard see 206 II Numeric Keyboard see 206 II Power Supply see 208 I J A 1 Board see 209 II Tape Unit...

Page 22: ...2X FUNCTIONAL UNITS WITHOUT TAPE UNIT Page 2 of 2 D Step Switch fJ Run Switch Ii AC Box under display II Display II Alphameric Keyboard II Numeric Keyboard IJ Power Supply II A 1 Board control unit II...

Page 23: ...Fan power supply IfJ Fan Motor Shield 50 Hz II Audible Alarm Location D Power On Off Switch II A1 Board see 209 mCross Connectors X2 top X4 bottom IJ I O Cable Driver Card A1A2 f OOr BSC Feature Paral...

Page 24: ...ng Assembly Select Magnet forward J Tape Unit Cable external Spindle Select Arm Assembly Select Magnet reverse Tape Control Card Belt Switch Assembly File Protect left and Cartridge in Place right d T...

Page 25: ...204 DISPLAY Display PC Board Signal Ground External Vertical Sync Brightness Horizontal Drive 12 Vdc Audible Alar iI I Ground Wire to AC Box Locations 2 7...

Page 26: ...AUTO RENUM 1 Calc Aesult 1J I I V LOAOI I cOPY I QUTSEll REVERSE DISPLAY o EJB BASIC RESTART DISPLAY REGISTERS o o 0 APL Comm 84 ovel CMO lines Operations 6 Fast r o r b ht NORMAL J Q JJ CD CD CD CD I...

Page 27: ...d t located directly under keytop _L o All Keys Assembly fJ Foam End Seals II Foam PC Board Seals II Key Module II Keytop II Flyplate II Cable Retainer II Signal Cable see 255 for pin assignments II P...

Page 28: ...I I 207 ACBOX D Line Filter L1 EI AC Capacitors Cl C2 II AC Plug Sockets Jl J2 J3 II Fuse Fl III Display Unit Ground Wire II Line Cord J 1 Power Supply J2 Fan J3 Tape Unit 2 10 j...

Page 29: ...208 POWER SUPPLY D A1 Board fJ DC Power Cable see 272 II Power Supply PC Board II Auxiliary I O Interface Port II Fan Motor iii DC Power Cable to I O Interface Port Locations 2 11...

Page 30: ...G 0 a en U is 0 ex Q Cl 0 l Cl c 0 I C c 0 c 0 E E 0 U Tape H J K X2 0 0 en en CI Q en J 0 0 co 0 X4 Display and Control Panel Z3 0 Q iii 0 0 U 0 a Q l 0 Q LL L U 0 a CI 0 0 l J Q x w Z4 Note See Sect...

Page 31: ...Card 1m Terminator Storage mTop Cover Screws Auxiliary Tape Unit A 1 Board II plug side a a a Hinge rSD rBo D A B C 1 1 1 Socket Cable or Card G Al A2 Signal Cable Entry Point A2 A3 Signal Cable Entry...

Page 32: ...220 JACKSHAFT HOUSING Part 1 of 2 D fJ 1 II 2 14...

Page 33: ...haft housing II from side to side and note that the unit moves easily until the spring tension is met More effort is now required to move the unit Slide the housing towards the stop screw and washer u...

Page 34: ...I I 221 FORWARD AND REVERSE SE LECT MAGNETS Page 1 of 3 2 16 1...

Page 35: ...s adjustment 1 Power down and disconnect the tape unit motor AC cable 207 J3 on the internal tape unit quick disconnect on the 5106 Auxiliary Tape Unit 2 Remove the tape control card 225 3 Remove the...

Page 36: ...LOSE Fl1 50 NEXT I RUN Watch the tape motion and listen to the drive The tape should stop momentarily at each header A correctly ad justed drive will result in a rhythmic operation Read failures will...

Page 37: ...assembly 4 with the wheel shaft fJ as shown 4 Slide the locking wheel assembly to the end of the slot as shown and tighten the mounting screws 5 Adjust all four locking wheels in the same manner Note...

Page 38: ...II 3 Loosen the four stop mounting screws II the two jam nuts III and the support screws illuntil the stops move freely 4 Insert the stop gauge part 1608780 m and locate 5 it against the cartridge si...

Page 39: ...dge To al ign the switches a If the switch mounting bracket screw is not accessable from the toP remove the switch assembly Access to the screwIJ is provided through the motor pin locating slot 1m Uni...

Page 40: ...D FILE PROTECT SWITCH Page 2 of 2 SAFE I I _ Tape Cartridge Tape Switch Assembly Prior Style Tape Switch Assembly 2 22 0 001 inch to 0 003 inch 0 0254 mm to 0 076 mm 1If 0 001 inch to 0 003 inch 0 025...

Page 41: ...write head as far forward and as far to the left as possible 3 Tighten mounting screws Cleaning 1 Use a Kimwipes1 part 2162567 to remove loose dirt from the read write head 2 Remove tape oxide from th...

Page 42: ...Power down and remove the tape unit from its mounting 2 Position the motor pulley 0 063 inch 0 010 inch 1 57 mm 0 25 mm efrom the motor mounting bracket and tighten the setscrew initial setting 3 Chec...

Page 43: ...e cartridge capstan until the tape is posi tioned between the early warning hole and the load point hole Loose Tape Rewind Use the following procedure if steps are visible in the reels of tape within...

Page 44: ...late on a flat surface with the tape reels facing upward Thread the tape as shown Moisten the first inch of tape on the side facing the reels and stick the tape to the reel CAUTION Take up all tape sl...

Page 45: ...Vdc S07 LED and Erase OK S08 Ground S09 Read Data S10 Read Clock S11 12 Vdc S12 Cartridge in Place S13 12 Vdc Pin 002 003 D04 D05 D06 D07 D08 D09 010 D11 D12 D13 U02 U03 U04 U05 U06 U07 U08 U09 U10 U...

Page 46: ...02 Ground 508 U08 D09 F6B02 Read Data 509 U09 D10 F6C02 Read Clock 510 U10 011 F6002 12 Vdc 511 U11 D12 F6E02 Cartridge in Place 512 U12 013 G6A02 12Vdc 513 U13 1 See 230 for tape unit end of cable Z2...

Page 47: ...al Sync Brightness Removal CAUTION Display assembly voltages Display PC board 340 V CRT 9 KV fJ I iI Drive 12 Vdc Ground Wire to AC Box 1 Power down 2 Remove the connector 0 at the display PC board 3...

Page 48: ...dly 2 30 244 L32 64 R32 SWITCH Service Check 1 2 3 Set the DISPLAY REGISTERS NORMAL switch to the DISPLAY REGISTERS position Set the L32 64 R32 switch to the 64 position Each display line should show...

Page 49: ...upplied One of the display units does not have the horizontal linearity sleeve see 247 part 2 of 3 item II or a horizontal linearity adjustment potentiometer Both units carry the same part number DANG...

Page 50: ...he ring magnets in place Adjust the rear ring magnet mfor horizontal center ing 1 Not all units are equipped with a horizontal linearity sleeve 2 32 4 Adjust the front ring magnet 0 for vertical cente...

Page 51: ...or easier access to the potentiometers see 200 2 Adjust the vertical frequency potentiometer for a stable display 3 Adjust the height potentiometer until the desired overall height of the 16 lines is...

Page 52: ...2 Ground Dl0 J6D02 Alarm On Dll J6E02 External Horizontal Drive D12 K6A02 External Vertical Sync D13 K6B02 Power On Reset Switch 2 34 See 204 249 Display and Control Panel Signal Cable Z3 Z3 Cable Pin...

Page 53: ...xt Hor Drive K6A04 B12 Unused K6A02 012 Ext Vertical Sync K6B04 813 Monitor Video K6B02 013 Power On Reset Switch Notes 1 2 3 Top of switch when in machine 1fR side view 2 1 Mount in machine with spri...

Page 54: ...FA 8A 3A BA 70 No Shift OB CB AB 2B EB 6B 7B FB 8B 3B BB 30 94 F4 B4 92 F2 B2 Numeric Keyboard _ _ _ _ _ _ A_ _ _ _ _ _ 96 D7 47 16 F6 DE 4E 76 B6 DF 4F 36 111111 57 D5 17 97 5E DC 1E 9E 5F DD 1F 9F O...

Page 55: ...two books or similar objects at least 1 inch 2 54 mm thick or fasten it upside down in the machine if i i1 i Check that there is no pressure on any of the keys CAUTION Removing the keyboard PC board w...

Page 56: ...ODULE Removal 1 2 3 4 Remove the keyboard 251 Use the keytop pulling tool part 9900373 to lift the keytop buttons from the keys to be removed lift one edge of the all keys unit about 0 5 inch 12 7 mm...

Page 57: ...ey stem down as shown 4 Holding the key module and flyplate as shown line up the ends of the flyplate spring D with the tips of the flat spring fJ attached to the key stem 5 Insert a small stylus or s...

Page 58: ...D06 M6A02 Kbd 1 D07 M6 02 Power On Reset D08 M6C02 Ground D09 M6D02 Typamatic D10 M6E02 not used D11 N6A02 Keyboard Lockout D12 N6B02 not used D13 N6C02 Kbd 2 2 40 1 2 3 4 5 6 M6 L6 t i IC 8 A E D C...

Page 59: ...vides a 6 Vdc reference see logic 420 3 If your meter does not read exactly 6 Vdc it is not calibrated and you must use the following formula to determine the actual voltage act vol 6x Mea Vol Act Vol...

Page 60: ...ort to ensure proper DC power cable connector alignment Tighten the two screws holding the DC power cable in the I O interface port 6 Remove the DC power cable from the I O interface port two screws 7...

Page 61: ...communications socket assignment see table II 0 Interface Port D Machine Serial Number D Line Cord II I O Cable Assembly mPC Board Mounting Screws 6 screws To Board Label Assignment S 1 Serial I O P...

Page 62: ...011 C1C11 S 5 Vdc 012 C1011 12 Vdc 013 C1E11 5 Vdc Tolerance Voltage Loaded I 5 Vdc 4 6to 5 5 S 5 Vdc 7 9 to 9 35 12 Vdc 11 0 to 13 2 5 Vdc 4 6 to 5 5 12 Vdc 11 0 to 13 2 2 44 See 208 C1 81 A1 I t i...

Page 63: ...s Notes 1 F1 is 5A 125V on both the 100V and 115V machines 2 Resistor installed on 220V and 235V machines only L _______J L1 J1 2 3 4 C1 2 F1 SW1 Line Filter Connectors Capacitors Fuse see note 1 Powe...

Page 64: ...0 to 13 2 9 0 to 11 5 1 The I O interface cable does not have wires connected to this pin 2 46 9 Lines S Lines u 1 Line 0 I 2 Lines 0 a N 2 Lines N 1 Line Ripple Pop 1 1 17 24 24 E co u N IExternal I...

Page 65: ...U08 Pins All 003 J03 P03 and U03 Pins C2G06 E2B06 E4B06 F2B06 F2M06 B2M06 M2B06 M2G06 M4B06 M4G06 N2B06 N2G06 N4B06 N4G06 B2Ml1 C2B11 C2G11 C4B11 L2Bll E2B11 E4Bl1 F2B11 F2M11 G2Jl1 K4B11 L2Ml1 M2B11...

Page 66: ...Vdc stops here The 5114 provides its own 5 Vdc and 5 Vdc for attaching devices 2The cable terminator is permanently wired to the 5103 printer adapter card If the printer is not in the system a termina...

Page 67: ...in Line Name Pin Line Name Pin Line Name B02 Unused B02 Unused B02 5 Vdc B03 Bus Out 7 B03 OA XO B03 5 Vdc B04 Bus Out 6 B04 OAXl B04 Unused B05 Bus Out 5 B05 OA X2 B05 Unused B06 Bus Out 4 B06 OAX3 B...

Page 68: ...13 I 1 2 3 4 5 Async Comm Serial I O Signal Cable Z1 C6 86 A6 I f IE D C 8 A E D C 8 A E DI02 1 I I I I I t I I I 04 I I t I l _r g 1 el I I Keyboard I 6 Z3 Z4 A1 Board pin side Async Comm Adapter Wra...

Page 69: ...008 Ground 7 7 C6A02 009 SIO Transmit Data G02 3 C6B02 010 SIO Request to Send J02 5 C6C02 011 SIO Data Terminal Ready B13 6 C6002 012 SIO Receive Line Signal Detector B12 8 C6E02 013 not used A6004...

Page 70: ...ation A1 A2 Signal Cable Entry Point A2 A3 Signal Cable Entry Poin t A3 A1 Power Cable Exit Point A4 A 1 Power Cable Entry Point 81 A2 Signal Cable Exit Point 82 A3 Signal Cable Exit Point 83 Unused 8...

Page 71: ...e note 2 3 LIne Cord 4 Black 5 Black TBI Notes 1 Brown on 220V and 235V machines 2 Blue on 220V and 235V machines 3 Resistor installed on 220V and 235V machines only ChassIs Ground SWitch L BOX r o 0...

Page 72: ...4 4 X4 X4 13 5 5 6 I lcl nm I I Tape I S I el I I Keyboard I 6 Z2 n Z3 Z4 r DDSA Wrap Connector t8 4J 8 7 m 3 2 1 0 t 151413121110 9 EIA CCITT Wrap Connectorl B 1 o 1 This is the onlv wrap connector...

Page 73: ...l Ell D12 Data Rate Selector J06 23 G1A11 D13 not used D1E13 802 Transmit Data G07 2 E1A13 803 Request to Send G03 4 E1813 804 Data Set Ready J09 6 E1C13 805 Carrier Detected J12 8 E1D13 806 Transmit...

Page 74: ...GNMENTS Page 1 of 2 A1 Board card side Yl Power ABC 0 2 3 4 5 2 56 Y3 Y4 BseA Parallel I O B D X4 13 o 3 4 5 PIO Wrap Connector I I I I K1 J1 Hl IB A E 0 C B A E 0 C B A 111 1 I I I I I I I I I I 4_ 1...

Page 75: ...dentify J04 5 J1Dll Dl0 Data Valid GOB 6 J1Ell Dll Not Ready for Data G04 7 K1All D12 Interface Clear J02 9 Kl Bll D13 Attention B13 11 H1A13 B02 not used H1B13 B03 not used H1C13 B04 Data I O 2 D05 2...

Page 76: ...IBM 5103 PRINTER Printer reference numbers that support the printer MAPs are 300 numbers and are located in the IBM 5103 Printer Maintenance Information Manual SY31 0414 2 58 j...

Page 77: ...5114 DISKETTE UNIT Diskette reference numbers that support the diskette MAPs and MDls are 100 numbers and are located in the IBM 5114 Diskette Unit Maintenance Information Manual SY31 0551 Features 2...

Page 78: ...2 60...

Page 79: ...ad Only Storage Read Write Storage Storage Data Flow Storage Address Register SAR Storage Read Storage Write Storage Error Checking Base I O Card I O Cable Driver Card Tape Unit Tape Data Flow Tape Dr...

Page 80: ...ns feature the Binary Synchronous Communications feature the Diskette Sort feature and the Audible Alarm feature 3 2 I O DEVICES The 5103 Printer The 5103 printer IS a wire matrix printer used by the...

Page 81: ...ge The Diskette Sort Feature The Diskette Sort feature sorts the records in a file into an increasing or decreasing sequence 1Trademark of the American Telephone Telegraph Co The Katakana Feature This...

Page 82: ...ted components It also con tains the adapter for the keyboard and the internal tape drive I O Cable Driver The I O cable driver card A2 repowers the signal lines for the bus in line the bus out line a...

Page 83: ...rams are loaded into read write storage usually from tape or diskette These programs are processed by microprograms to control all the computing and input output operations of the 5110 computing syste...

Page 84: ...Bus Out Bits Basic ROS Device LD 410 Device LD 415 __ A_1_F_2__ Address Bits _ r A_1_H_2 r _ Address Bits _ r A_1J_2_ I t r i LD 3 6 Data and Controls I Storage Address Bits Cycle Steal Controls Bus O...

Page 85: ...read write storage bus lines ROS Control Lines Executable ROS Feature ROS LD415 A1L2 APL ROS LD 410 Interrupt A1E4 Controls Address Bits Bits and Controls I O f ontrol Lines Common and Base I O Langua...

Page 86: ...s of the display L32 64 R32 Switch This controls whether the left REVERSE DISPLAY Switch This switch changes the display screen to show white characters on a dark background or dark characters on a wh...

Page 87: ...er and from other data such as a shift or command key being pressed This key data is placed into a character register on the keyboard PC board The key data which includes an odd parity check bit remai...

Page 88: ...g the cursor position to above the status line the bottom line Pressing the key during the execution of an APL user defined function causes the function to stop when it is completed Pressing the ATIN...

Page 89: ...rate directly from a user language the system emulates or appears to have the attributes of the user s language while each instruction is translated into a language that the system can use Microprogra...

Page 90: ...nd 05 Mark Invalid Mark 06 Initialize and Invalid Invalid mark 07 Rewind Invalid Invalid 08 Forward space Invalid Invalid record 09 Backspace Invalid Invalid record OA Find next Invalid Invalid header...

Page 91: ...drive Find 008004 Reads the diskette header to locate the specified file Write 008002 Writes the data by sector Multiple sectors can be written Write 008003 Writes the last sector last of data Find 00...

Page 92: ...ycle Steal Req Address Interrupt Bits Decode Device DA Bus No Process Cycle f Address Machine Check Out OR Decode Data Bus In1 ROSSAB l LoadSDR Strobe J I Storage I SDR Address Add o oLr Cootrol r a J...

Page 93: ...rs receive two bytes of data on each storage read operation via the Storage R W Bus From the read data register operands can be transferred to the storage address register SAR the operations register...

Page 94: ...of program level register 0 are loaded into SAR I cycle 2 SAR addresses either R W storage or executable ROS and transfers the microinstruction located at that address into the operation register I c...

Page 95: ...ss check base I O card This indicates that a device address check occurred on the base I O card H2 Address check common and language ROS adapter This indicates that a device address check occurred on...

Page 96: ...icroprograms for tape disk and printer and the language emulator microprograms The language emulator microprograms in executable ROS are executed by the processor These microprograms analyze the input...

Page 97: ...g control strobe device address 01 and active data bit 4 5 or 6 will select BASIC APl or common ROS respectively Next the microprogram must develop the 16 bit address from which data is requested in R...

Page 98: ...r broken down into eight 1K bytes storage chips 3 20 Storage Address Register SAR The storage address register SAR is a 16 bit register used to address storage It is located on the processor card J2 T...

Page 99: ...specific chip on the addressed storage card as follows SAR Bit 345 a a 0 001 a 1 a all 1 a a 1 1 a 1 a 1 1 1 Bit Select CSX CSY Line Chip Select CSX l CSY 1 CSX 2 CSY 1 CSX 1 CSY 2 CSX 2 CSY 2 CSX 3 C...

Page 100: ...Card select line selects 1 of 4 possible storage cards II CSX and CSY select 1 of 8 groups of 1024 byte chips on a card II Storage address bits select 1 9 bit byte of 1024 bytes in a group II Bit driv...

Page 101: ...resses for the 5110 computing system The power on reset signal is generated on the base I O card and is distributed to all devices The adapter for the internal tape unit is located on the base I O car...

Page 102: ...Controls Data Commands I Base I O Processor v I and Controls I I Tape I Tape Control Card I _____ J_2____ Data Status Controls and Interrupts 3 24 Adapter Il 1 1 I I a I L andSt u __________ J ____510...

Page 103: ...tions are used by the processor to monitor the tape unit Tape Drive Components A synchronous AC motor which runs continuously while the power is on supplies the power to move the tape The motor throug...

Page 104: ...6 D Forward Select Magnet fJ Jackshaft Housing II Belt a Motor II Tape Control Card II Spindle Select Arm Assembly II Reverse Select Magnet iii Switch Assembly II LED PTX Assembly 1m Brake Arms II Fan...

Page 105: ...mm tape and stores 200K bytes of formatted data The cartridge is keyed to prevent incorrect insertion in the tape unit Data files are protected when the file protect window is turned to the SAFE posi...

Page 106: ...bits are recorded between clock pulses Any pulses that appear between clock pulses are read as 1 bits when no pulse appears between clock pulses this is read as a 0 bit Twenty nine bytes of X DO are r...

Page 107: ...ouped into files A file is made up of a single header record and an even number of data records The header record and each data record are preceded by a format record that is recorded on the format tr...

Page 108: ...on it Following this byte is the record sequence byte it identifies the next record on the data track The next 29 bytes of X OO provide a time delay that is used between erasing the data track of one...

Page 109: ...ber of Bytes Allocated to File Hex 0001 7FFF r r Hex 0001 3FFF No Data I IIII II t File Type Examples of File Types 01 15 Language Dependent Files 21 23 Special Functions Language Dependent Informatio...

Page 110: ...data record are zeros they are used to generate extra byte counts up to the 513 bytes A format record and a header record follow the last record in the last file of a tape these two records indicate t...

Page 111: ...the record type area of the format record All files and records are written in a sequential order that is file 1 containing records 1 2 and 3 precedes file 2 containing records 1 2 and 3 and so on EO...

Page 112: ...o operate in either bit mode or byte mode During bit mode operation an interrupt is requested as each bit is stored in the read data register Tape read clock pulses gate the single bit to the data sel...

Page 113: ...resent the characters represented in the 2048 x 16 display ROS These characters include alphabetic numeric World Trade and special characters When the DISPLAY REGISTERS switch is active the display is...

Page 114: ...orage R W Bus LD 415 Storage Address Bits A1L2 APL ROS LD410 Interrupt ROS f R W Storage A1E4 Controls Control LD 415 Address Bits Lines A1M2 M4 Bits and Controls A1N2 N4 I O 1 1 0 Control j ontrol Li...

Page 115: ...Row6 Row7 Row8 Row 9 Row 10 Row 11 Row a Row 1 Row 2 Row3 Row4 Row5 Row6 Row7 Row 8 Row 9 Row 10 Row11 Row a Character Count 64 e e _______ e e e ____e _____e __ e e e e Line 16 RO l1L ______________...

Page 116: ...he line counter reaches 16 and the row counter reaches 12 and the character counter reaches 64 the frame is com pleted The counters continue advancing to maintain synchronization while the beam retrac...

Page 117: ...0200 and the contents of addresses 0200 05FF in read write storage are displayed After the base address is set the character counter updates the addresses by two the low order bit is always logical 0...

Page 118: ...ollowing illustration shows the monitor video signal as it appears on an oscilloscope when the 5110 power is on and the DISPLAY REGISTERS switch is set to the DISPLAY REGISTERS position 2 25V minimum...

Page 119: ...e Filter L 1 fJ AC Capacitors Cl C2 II Fuse F1 11 Line Cord AC Power Box AC power enters the 5110 through a line cord a that attaches to the filter D in the AC power box The AC power box also contains...

Page 120: ...each have an I O cable assembly that includes a power connector plug A1 The voltage ground is distributed through the I O cable signal connectors A2 A3 of the I O cable The 5 Vdc supplied to the 5114...

Page 121: ...following takes place 1 The a key code is placed in the character register on the keyboard PC board and is sent to the keyboard data latch in the keyboard adapter on the base I O card 2 A program lev...

Page 122: ...reter places information in the input output control block lOCB of read write storage for the print operation and passes control to the I O microprogram The I O supervisor microprogram checks the devi...

Page 123: ...tines 4 62 Freelance Aids 4 118 Parallel I O Diagnostic Routines 4 63 Card and Board Jumpers 4 119 SERVICE AIDS 4 64 Read Write Head 007 Errors 4 119 Error Indicators 4 64 Intermittent Process Checks...

Page 124: ...sequence can be altered depending on The information you have concerning the failure Whether or not this is the first call How frequent the failure occurs The following chart shows the order and the...

Page 125: ...CP They are the call tests 2 Dp code test 3 Read write storage test 4 ROS CRC test When controlled by DCP each of these tests loop continu ously until an error occurs or the test is stopped by the ope...

Page 126: ...nostic Control Program DCP Normal Mode Alter Display Diagnostic Mode Branch Call 0 1 1 0 diagnostic 2 Op code test 3 Read write storage test 4 ROS CRC test BASIC APL Normal machine operation 5 DCP I O...

Page 127: ...call 0 1 2 3 4 or 5 Press C Press the appropriate test number 0 1 2 3 4 Dr 51 Press EXECUTE Test 0 I O Diagnostic 1 110 Diagnostic 2 Op Code Test 3 R W Storage Test 4 ROS CRC Test 5 DCP I O Functions...

Page 128: ...or CLEAR WS APL language will appear on the display after 25 seconds Failures occuring during this program are flagged by the PROCESS CHECK light or by bring up halt codes on the display Test Bus In B...

Page 129: ...s section AFDURBJFDKIFJG LPFD AAAAAAAAAJ R YRTTYYAAAAHAHAJAJAAAJAHAGAJJA KDJKPHKJFIRJGUTOEPFKGJJGOROYUJEOFJRMIRLG LROGIR LIGJGIUUJOOEK875 The halts occur in alphabetical order For example if the machi...

Page 130: ...er Job 3 Press the minus key on the numeric keyboard 4 Release the CMD key DCP is now loaded Options Display and Alter Display 1 Press the D key 2 Enter the address you want to display 3 Scroll the ad...

Page 131: ...P normal mode I 1 Press the HOLD key 2 Press and hold the CMD key and press the minus key on the numeric keyboard To exitl from the DCP normal mode 1 Press and hold the CMD key then press the plus key...

Page 132: ...y storage locations using a different starting address enter 0 and the new starting address I Entry Format Example DCP DCP II Ol20 ADDR Ol20 0000 OlB2 Ol9C OOlD OlAO OiAl 0000 0000 01 30 Valid Input K...

Page 133: ...he next 16 bytes Scroll backward and displays the previous 16 bytes 0 9 A F Enters hex characters Spaces forward Backspaces New data is entered into read write storage in two ways Press the EXECUTE ke...

Page 134: ...lay and alter active also 4 12 Branch functions BE Branch to executable ROS BX Branch to extended ROS address BR Branch to read write storage To branch 1 Enter one of the above selections If an error...

Page 135: ...requesting the function again Exit from the DCP diagnostic mode by pressing the RESTART key Branch Function The branch function is a DCP diagnostic mode function To use this function you must load DC...

Page 136: ...feature ROS IHAG ncp IHAG Dep xxxx YYYY BRANCH HALT OPTIONAL PRESS EXECUTE BX Valid Input Keys BE Branches to the executable ROS address BX Branches to the extended ROS address BR Branches to the rea...

Page 137: ...key together restores the microinstruction at the halted address and forces level 0 to a halt At this time the 5110 should be placed in the step mode see the CE Switches in the Service Aids section o...

Page 138: ...specific MAP or MDI to isolate the failing field replaceable unit If the I O diagnostic runs OK the DSP menu will be displayed I O Diagnostic 1 IHAG DCP 1 PRESS EXECUTE 011 110 DIAGNOSTIC 2 OP CODE TE...

Page 139: ...questions carefully The following message is also displayed during some of the tests R L retry this test loop on this test Do NOT press the EXECUTE R or L keys until directed to do so by the instruct...

Page 140: ...umber of the test this allows you to loop on a specific test Looping in this manner is the same as pressing the L key when the instruction PRESS EXECUTE R or Lis displayed See the tape and diskette re...

Page 141: ...TX test LED PTX assembly 924 LED PTX test LED PTX assembly 927 Erase mode test H2 tape control card 930 Erase mode test channel 0 H2 tape control card 933 Erase mode test channel 1 H2 tape control car...

Page 142: ...sted Cartridge stop blocks H2 tape control card Cartridge stop blocks H2 tape control card Tape control card Read write head Read write head Read write head Read write head H2 tape control card H2 tap...

Page 143: ...troller microinstructions Numer ous IAR instruction address register hang points localize specific failing processor operations and monitor storage addresses at the RDR read data register for improper...

Page 144: ...age addresses above location OOFF are tested for each possible data combination The test runs until the operator stops it by using the RESTART switch Either a process check or a customer halt condi ti...

Page 145: ...ating to the language APL or BASIC of the machine While the test runs each byte of data in each ROS module is read and CRC sums are generated and compared The test runs until the oper ator stops it by...

Page 146: ...ting file RD Selects the read function from diskette WT WTP or tape Selects the write function to diskette or tape Selects the write function with file protect diskette A XXXX Defines the starting sto...

Page 147: ...ending on the diskette tYpe and initialization format The record will be displayed in alphanumeric format on the lower half of the display screen The data may also be displayed in hexadecimal format b...

Page 148: ...example shows the format for writing a diskette on diskette drive 1 starting at address 0335 and stopping at address 04FF The file number is 3 and the file name is PAYROLL1 Diagnostic Diskette Volume...

Page 149: ...the C key 5 Press the 0 or 1 key 6 Press the EXECUTE key Follow the instructions on the display screen I I MDls I I RESTART The DSP controls loading and execution of programs resid ing on tape or dis...

Page 150: ...821 BSCA m I 823 PARALLEL I O MDI 881 DISKETTE MDI 890 COMNUNICATIONS ROUTINES E JTER THE 1DI NU mER TO BE RUN ENTER 0 IF THE OPTIONS ARE TO BE DISPLAYED DSP 800 PRINTER MDI 840 AUXILIARY TAPE MDI 860...

Page 151: ...if the MDI is in the run mode The MDls are used to diagnose I O problems other than read failures in the loading device The MDls for a 5110 Model X1X with an internal tape unit are contained in two di...

Page 152: ...ppropriate answer and press the EXECUTE key You can enter B or BXX and press the EXECUTE key XX is the number of steps you want to back up in the trace table 0 Option You can enter 0 and press the EXE...

Page 153: ...enter the stop number here LOOP ON STEP PATH Allows looping on a specified next step number Allows looping on a path specified by the path start number and path stop number The last step in the trace...

Page 154: ...cussed in greater detail later MOl sections and subsections can be used with some of the options mentioned in the previous paragraph CAUTION When you enter these sub MOl numbers the MOl runs out of it...

Page 155: ...I NEXT STEP NO 037 I Lines 11 12 13 14 The bottom right of the display screen shows the data used to make the decision TEST defines the type of comparison used for the decision The comparison is made...

Page 156: ...y TEST EQUAL MASK 15 RCVC 15 NEXT STEP NO 009 The following message is displayed when you must manually answer the MOl question You can answer yes or no or select one of the other specified options W...

Page 157: ...STATU IWNNING HOLD MOl Display Replies T Trace Displays the trace of the steps that were exe cuted and the decision yes V or no N associated with each step A GO TO STEP is designated by a G the G mea...

Page 158: ...ustration of the MOl options display follows CAUTION If you are using the MOl options on MOl 840 or 844 remove the diagnostic tape cartridge and do not insert it until instructed to do so on the displ...

Page 159: ...is selected Blank option field left blank Loops until the CMD key and ATTN key are pressed then returns the MDI options to the display screen YES Loops until a yes decision for a diagnostic test is ob...

Page 160: ...es the trace step sequence by proceeding through the path The DIFFERENT option uses the trace table as a guide 2 Enter the STEP mode then enter the path starting step number into NEXT STEP NO To use t...

Page 161: ...red MDI Subsections The printer MOl auxiliary tape MOl tape write MOl diskette MOl and the communications MOls on the OSP menu are subdivided into individually numbered subsec tions In addition they c...

Page 162: ...BT02 Acceleration Test Checks the XXXX The speed at bit 800 is speed of the tape from stop to computed to two deci 1500 bits after the tape has mal points and return reached 20 inches per second ed a...

Page 163: ...they are not 00 they are the system erro codes 02 14 See Error Codes in this section The first error code is from a search to file 12 The second error code is from another search to file 12 and a writ...

Page 164: ...BT02 as a 4 digit decimal number in inches per second For example a received number of 4006 is actually 40 06 inches per second The average speed is taken from the average of 9 192 bit times The devi...

Page 165: ...t a sub example if the averages routine of BT47 BT48 BT30 calculated are 33 00 and BT31 This test generates even average and 34 an even average number and odd average and the puts it into the first 4...

Page 166: ...ected to be 00 If they are not 00 they are the last system error code 02 14 see Error Codes in this section The last 4 digits are the last error codes from the tape write routines 0800 0960 as describ...

Page 167: ...No errors 0808 Status bit 5 is on after an F reset instruction 0809 Status bit 5 is on after a hex F7 control instruc tion command erase channel 0 0810 Status bit 5 is on after a hex FB control instr...

Page 168: ...forms Left margin switch or not ready If Ry is odd status byte B Print motor latch B 0 not B Print motor latch A 0 not A 10 Print emitter interrupt 11 Not ready interrupt 12 Forms motor latch B 0 not...

Page 169: ...Diagnostic Aids 4 47...

Page 170: ...4 48...

Page 171: ...utine and causes TS test status to be 00 if an error occurs Same as PT25Vl except it repeats this sequence five times if there are no errors Same as PT25V1 except it repeats this sequence 10 times if...

Page 172: ...ly in the auxiliary tape tests not in the tape read program TR07 Reads and compares file 1 on the diagnostic tape for correct data using the microprogram Error codes 0009 and 0010 are used to deter mi...

Page 173: ......

Page 174: ...seconds 0970 BOT or EDT was found use TR051 or TR052 routines to reposition the tape TR0521 Moves tape backward for 2 seconds 0970 BOT or EDT was found use TR051 or TR052 routines to reposition the t...

Page 175: ...eturn inter 0982 Status Error BOT status rupts and if the sync byte hex E7 can be was active once but is not read from both tracks active now 0983 Read Data Error No inter rupt read clock was detected...

Page 176: ...0933 Bad sense bit found should be present Note This test leaves the erase coil on TR0336 Select magnet active status 20 should not be 0936 Bad sense bit found present TR0337 Select magnet active stat...

Page 177: ...ction 0 or 1 and returns 8480 Good test the status DT24 Tests the MFM bit without the heads CO Good test engaged and returns the status DT25 Tests the FM bit without the heads 40 Good test engaged and...

Page 178: ...rdware errors and returns the status Returns the heads to zero and returns the status Write Read Test Data patterns of 4C4C and 0000 are used to write on record 1 of cylinders 7 and 54 using both head...

Page 179: ...t of the long space interrupt and the timer interrupt of the Asynchronous Communications Adapter feature The long space interrupt detects an end of transmission request from the remote facility The ti...

Page 180: ...0 milliseconds I COM05 Tests 110 bps timer interrupt rate 96 0897 through Good test 0921 00 2000 No interrupt occurred for 20 milliseconds The asynchronous communications wrap connector must be attach...

Page 181: ...rn can be 10 bytes of FF Good test transmitted and wrapped back 10 bytes of E1 Long space interrupt correctly 10 bytes of E2 Interrupts too frequent 10 bytes of E3 No interrupt occurred I COM14 Tests...

Page 182: ...ped for a long space disconnect Results of the analysis are displayed in a graph with a 4 digit decimal number computed to two decimal places Results of the analysis are displayed in a graph with a 4...

Page 183: ...wrapped back correctly Tests for timer interrupt when start bit received while in receive mode Tests for inactive timer interrupt when no start bit received while in receive mode Tests that dropping...

Page 184: ...Adapter feature wrap connector should not be attached for routine S1015 Probe pin 8 on the serial I O connector 81015 Tests the receive line signal detector signal line BSC DIAGNOSTIC ROUTINES The BS...

Page 185: ...p test activates the driver circuits then senses the receiver circuits and compares the receiver output with the predicted results Transceive Test This test is the same as the wrap test except that a...

Page 186: ...RUN position This is the processing state and the switch must be in this position when the 5110 is returned to the customer Moving the switch from the RUN position stops program processing upon comple...

Page 187: ...evels in an abbreviated manner for example R1L2 means register 1 level 2 The position of the L32 64 R32 switch determines the num ber of registers displayed In the L32 position the 32 regis ters in le...

Page 188: ...ex 3FFF Read write storage size hex 7FFF Read write storage size hex BFFF Read write storage size hex FFFF 16K M2 32K M4 48K N2 64K N4 All other values for read write storage size are invalid ReadlWri...

Page 189: ...s in bit 0 23456 7 Printer Status Bytes End of tape EaT No device address E response Tape running Cartridge in place Erase on LED and erase OK File protected No beginning of tape BOT Note The status b...

Page 190: ...not A Forms control interrupt Timer interrupt Note These status bytes are available only with error code 35 Status Byte A Storage Address 00E8 Bus in bit 0 234 567 Status Byte B Storage Address 00E9 B...

Page 191: ...Bit 4 Forms Emitter B Determines when to stop Bit 5 Forms Emitter A Forms movement Bit 6 Not End of Forms Indicates the presence of forms This signal is active when forms are within two inches 50 8 m...

Page 192: ...cylinder 60 The latch is only used during a read operation Bit 3 lnner Tracks Sets the inner tracks latch 1 on track 42 O off track 42 This bit is used on a write operation to reduce the amount of re...

Page 193: ...s If the forms movement is working correctly these lines should be the same length as the distance between the top f 1 1 i l and bottom horizontal lines the density of the vertical lines I should be c...

Page 194: ...heck for binds 2 Forms feed stepper motor gear backlash Verify all adjust ments and use scope procedure on forms emitter Yes No Yes Yes Yes Do the following adjustment 1 Platen and paper deflector 2 P...

Page 195: ...CDTE The TDAT is useful as a substi tute for a data set when the 5110 is used on a leased line Using the TDAT in this manner allows you to dial another station to test the 5110 when trouble is experi...

Page 196: ...dix D and in the APL Reference Manual SA21 9303 Appendix F See Error Codes in this section for the hardware error codes descriptions Use these error code descriptions to aid you in deciding which diag...

Page 197: ...rror Code Descriptions in this section to help you determine which I O device to test If in doubt test all devices ence manual to help you determine the possibility of an operator Review problem with...

Page 198: ...head if it is worn DA error asyn chronous com 5 Clean the spindle assembly and the drive rolls munications with isopropyl alcohol and a lint free tissue serial I O D2J13 D2 DA error BSCA B2J04 B2 6 Ch...

Page 199: ...s Back panel yellow green wire Hinges 2 Power supply chassis AC capacitor Line filter Relay chassis AC motor AC connector to ground DC power supply AC ground Line cord Diskette drive motor cable Frame...

Page 200: ...g water Stagnant water or sump lines are not good earth ground sources Lines broken by nonmetal connections do not supply a good earth ground A metal stake driven into the ground The length of the sta...

Page 201: ...pproved ground source They can be tied through wire 0 but if possible a ground source should be supplied through wire Daiso A These buses must not be tied together in the power panel B Gro nd 208V Pow...

Page 202: ...p automatically thus enabling you to probe scope various control lines while trying to locate the problem A typical sequence for finding problems using the 5110 system function test is Symptom A custo...

Page 203: ...ction then press EXECUTE See Note 1 if testing on a 16k bytes system J S _______I LINKSYSTST See Note 3 Run system test 1 Display totals 2 Display and reset totals 3 Set 0 tions 4 Return to system Ope...

Page 204: ...Tape printer exerciser DV DXX note 2 RD A OBOO F22 EXECUTE Diskette exerciser DV DXX note 2 RD A OBOO F 23 EXECUTE f To run the system function test that was loaded via the DCP I O function do the fol...

Page 205: ...p 5 Seek t Exercise selected diskette drive N y key See note 2 m m 1m m Tape printer exerciser purpose and general information To run the tape printer exerciser key in the appropriate instruction then...

Page 206: ...tals The display totals option indicates the device subdevice and command that is causing the problem Pressing the 1 key and then the EXECUTE key displays the following summary table after the test ha...

Page 207: ...y is pressed or an error occurs If the 0 option run system test was made at the beginning of the system test menu this loop function is not active 4 Return To System This option enables you to return...

Page 208: ...ready state DEVICE EXERCISERS 115114 Diskette Exerciser The diskette exerciser is more flexible than the system test because the exerciser allows you to tailor the program to suit your needs If a par...

Page 209: ...xercis ed this device and subdevice it failed one time with a 56 error code and two times with a 72 error code Note See Error Codes in this section for definitions of the error codes See I O Control I...

Page 210: ...e until all sectors have been read for that head The program starts reading head 0 regardless of which head is selected Normal progression of the program is head 0 cylinder 0 sector 1 head 0 cylinder...

Page 211: ...e I O command exercis ed this device and subdevice it failed one time with a 56 error code and two times with a 72 error code Note See Error Codes in this section for definitions of the error codes Se...

Page 212: ...ff5Ri JR R dfdRTs SfDV i7jT Afm v M Nabc defghit SrL Djklm 5Ri I JR R 5fd T sfOVW 9iT AIm v M Nabc defghit SrL Ojklmn 5Ri i JR R Dfd T SfOVWi9iT Afw v M Nabcdefghit SrL Djklmno RiZ t i JKi M ll i QR...

Page 213: ...rovides you with a 128 character write field that can be filled or partially filled with any characters This pattern is repeated four times to make a 512 character record This record image is repeated...

Page 214: ...t IOC on error option in the system function test The example shows the error code the device and subdevice addresses the I O command and the control information at the time that the error occurred Th...

Page 215: ...ast 04 Find Find 05 Mark Mark 06 Initialize and Mark 07 Rewind 08 Forward Forward Space Record Space 09 Backspace Record f OA Find Next Header OB Write Header Write Header OC Scan 00 Plot Function OE...

Page 216: ...y format for the hardware error codes is ERROR xxx yzz and is displayed on the bottom line of the display The xxx represents the error code y repre sents the failing device and zz represents the subde...

Page 217: ...m BSC APL BASIC 081 099 8 00 Serial I O BASIC 002 014 A 02 40 Serial I O APL 002 014 0 30 34 5114 Diskette BASIC 001 045 D 80 Drive 1 40 Drive 2 20 Drive 3 10 Drive 4 5114 Diskette APL 001 045 0 11 Dr...

Page 218: ...the larger BOT EOT holes the tape moves forward looking for the load point hole until the time out occurs 005 E zz Cartridge Not Inserted With a cartridge inserted status bit 3 is 0 but should be 1 00...

Page 219: ...EOT status bit 0 was sensed as a 1 which indi cates an EOT was sensed An incorrect number of files or an incorrect file size can cause this error Tape Unit Not Ready An incorrect device address was sp...

Page 220: ...009 D zz End of Data EOD is returned on read operations if the relative physical sequence number in the control field is between the EOD and the EOE numbers inclusive for the opened file 010 D zz End...

Page 221: ...eturn this error regardless of the cylinder specified 020 0 zz 10 Search Failure An access to the correct track was successful but after all of the IDs on that track were read a match with the one bei...

Page 222: ...ndard version volume 1 79 was not a W The volume surface indicator indicated a diskette 1 or a diskette 2 j but the record length indicator was hex F3 The extended label area on a diskette 2d was not...

Page 223: ...In either a read 10 read data or write data operation the diskette adapter posted an overrun condition This means that the diskette microprogram did not service a level 2 interrupt fast enough and ter...

Page 224: ...4 102...

Page 225: ...ecified by Printer the user for the printer or the returned status on bus in was hex FF 047 5 00 Print Position Error The print head was not in the position indicated by the microprogram 048 5 00 Unde...

Page 226: ...rint Emitter Sequence The current print emitter and previous print emitter were out of sequence Print emitter sequence when printing is Right is 1 2 3 1 2 3 1 Left is 3 2 1 3 2 1 3 Light mechanical bi...

Page 227: ...y and the microcode timer timed out lOB status required use of level 2 Level 2 busy flag is on in the lOB flags HOLD will reset level 2 busy flags This error code is posted on a sense command after a...

Page 228: ...I I I 17 X I I I t I I X I 100 ms 120 cps 150 ms 80 cps 0 83 1 25 ms 100 ms or 150 ms later because no print emitters 100 ms 120 cps 150 ms 80 cps were present during this time If error 057 timing sta...

Page 229: ...h the 5110 in modem mode data terminal ready from the I O device is off during a transmit operation With the 5110 in terminal mode data set ready from the I O device is off during a transmit operation...

Page 230: ...nized an end of file condition This condition can be caused when Both the CMD key and 0 key are pressed With the 5110 in modem mode data terminal ready from the I O device is off during a receive oper...

Page 231: ...de remains in R7LO to the end of the bring up diagnostic Tests read write storage loca tions 0020 through 05FF Blank Resets the CRT buffer on G2 card to all blanks A Turns all bus in bits on J AB Test...

Page 232: ...the keyboard for stuck M2 M4 N2 N4 Loop on the read write storage test flyplates and displays the key key module in OCP if the problem is intermittent symbol and its key code hex see 250 Also tests a...

Page 233: ...by pressing the RESTART switch Note On an APL BASIC machine the bring up diagnostic tests only the nonexecutable ROS that you select with the APL BASIC switch on the control panel For example with th...

Page 234: ...lid command to device or invalid parameter to command device 09 7 zz End of Data Empty buffer returned to APL on input 10 7 zz End File The user pressed the CMD key and the ero key on the numeric keyb...

Page 235: ...lker address given for serial poll Incomplete parallel or serial poll Invalid listener address for parallel poll configure or disable Invalid SP field for parallel poll configure In parallel poll ther...

Page 236: ...p the M2 card with another storage card to verify this Go to DISPLAY REGISTERS If ROLO is 0006 the failure is in the bring up diagnostic None Remove the AC fan motor plug and the AC tape motor plug at...

Page 237: ...e customer usually sees only 005 errors but can create 007 errors unknowingly Locking wheels are not centered or seated properly in the base Excessive retries The motor locks up or does not move the t...

Page 238: ...tridge If this works load the failing file using the DCP I O function If there is an error in the data an 007 error will be displayed You can rebuild the damaged file using a known good tape and DCP C...

Page 239: ...trically To swap electrically swap the cable in the Z2 socket of the 5110 A1 board with the cable socket in socket B4 of the Auxiliary Tape Unit The internal tape unit address is now E40 BASIC or 002...

Page 240: ...extra cards to isolate the problem 1 Rewind the tape and do a UTI L or LI B to ensure file 1 is defective 3 Remove the A2 card to isolate the 5110 from the external I O 2 Rewind the tape to the load...

Page 241: ...osition the read write head against the front and left of the mounting recess and tighten the mounting screw facing the front of the machine 4 Make sure the read write head grounding wire clears the c...

Page 242: ...e voltage and the voltage input to the TV set This transformer should be permanently wired into the circuit The new input power plug must be a three prong grounded plug with the ground connected to th...

Page 243: ...MOl option display and following the instructions Enter MOl BOO Printer f Tests 5103 circuits and mechanics Analyzes to A 1A 1 voltage regulator and sense amp card B1A2 adapter card Left margin Print...

Page 244: ...he MOl detects a failing condition it halts and displays the sus pected FRU and the diagnostic routine number that detected the failing condition For a description of these routines see the BSCA Diagn...

Page 245: ...to the option menu to set up the loop See MOl Options in the Diagnostic Aids section of this manual MOl 840 and 844 can be run for both the internal tape or the unit 5106 Auxiliary Tape Unit However a...

Page 246: ...check the tolerances 1 Symmetry The bit cells are of equal duration This is a function of the tape read write channel The tape velocity tested OK in a previous routine Raw Data Clock Bit Cell Clock Cl...

Page 247: ...881 can then branch to c another MDI 882 through 888 for further tests to isolate the failure Enter MDI 881 Diskette Drive f f Tests 5114 circuits and mechanics Analyzes to Index Access ReadlWrite Int...

Page 248: ...5 896 897 898 899 Routine to print data recorded on the TRAP Async Comm Adapter Serial I O routines These are the same routines as those in MOl 820 SSC routines These are the same routines used in MOl...

Page 249: ...0 A 5 i IBM 5106 Auxiliary Tape Unto to 5110 A 5 IBM 5106 Auxiliary Tape Unit A o Prepower Check A o Cable Installation A o Power On Check A o Completion of Installation A o Cover Cleaning A o Safety...

Page 250: ...A 2...

Page 251: ...ver into the slot in the front cover of the 5110 MLM binder Place the 5110 Parts Catalog and the 5110 Maintenance Information Manual into the 5110 MLM binder Cover Cleaning Use a mild soap or isopropy...

Page 252: ...03 5114 5114 5114 5103 5103 5110 Model X2X Accepts all of the above configura tions except for the attachment of the 5106 IBM 5114 Diskette Unit 1111111111111111111111111111111111111111111111111 IBM 5...

Page 253: ...iary Tape Unit IBM 5110 Computer IBM 5103 Printer llllllllllll IIIIIIIIIIWllllij 1 11111111111111111111111111111111111111111 111111111111111111 IBM 5106 Auxiliary Tape Unit to IBM 5110 Computer IBM 51...

Page 254: ...to check the 5110 operation and performance 7 Replace the cover Completion of Installation The 5106 Auxiliary Tape serial number is on a tag on the bottom of the base A S Cover Cleaning Use a mild soa...

Page 255: ...te Power for the probe can be obtained from any of the above devices when you are probing any other device Appendix B Test Terminal The line being probed is connected to this terminal Various probes m...

Page 256: ...actual voltage act vol 6 x Mea Vol Act Vol Ref Vol Mea Vol measured voltage reading on CE meter of voltage being measured Example Ref Vol 5 S Vdc value of reference voltage at G2 S02 as measured by t...

Page 257: ...on The base of the hex system is 16 This means there are 16 symbols 0 1 2 3 4 5 6 7 8 9 A B C D E and F The letters A B C D E and F represent the decimal base 10 values of 10 11 12 13 14 and 15 respec...

Page 258: ...9 9 A 10 485 760 A 655 360 A 40 960 A 2 560 A 160 A 10 B 11 534 336 B 720 896 B 45 056 B 2 816 B 176 B 11 C 12 582 912 C 786 432 C 49 152 C 3 072 C 192 C 12 D 13 631 488 D 851 968 D 53 248 D 3 328 D...

Page 259: ...Locate each hex digit in its corresponding column position and note the decimal equivalents Add these to obtain the decimal value Example Hex Value Columns 4 3 2 1 Decimal Equivalent 15 192 o 12 288...

Page 260: ...C 4...

Page 261: ...on of data by creating and checking a block check character Appendix 0 OA Device address OCP Diagnostic control program OSP Diagnostic supervisor program EC Error code Emulator Hardware or a combinati...

Page 262: ...set 0 2 power on reset A signal occurring during power up used to reset all circuits to an operational starting point PTX Phototransistor RDDR Read data deserializer register RDR Read data register re...

Page 263: ...l wrap connector A communications adapter feature tool that allows testing of transmit and receive signals without attaching to a remote device X Hexadecimal J S Microsecond Appendix 0 3...

Page 264: ...0 4...

Page 265: ...using 2 15 locking wheel assembly 2 19 motor pulley 2 24 tape switch assembly 2 21 vertical 2 33 alignment diskette tool B 2 all keys assembly 2 9 alphameric keyboard 2 3 2 4 alter function 4 11 APL 1...

Page 266: ...distribution 3 42 DC voltage distribution 2 46 2 47 DCP 4 3 DCP diagnostic mode 4 5 4 8 branch 4 13 display formats 4 17 X 2 DCP diagnostic mode continued call 4 15 DCP 110 function 5 4 24 display me...

Page 267: ...rs 3 33 erase coils open test 4 45 error checking processor 3 17 error codes 4 94 APL 4 94 BASIC 4 94 CE diagnostic error codes 4 95 diskette 4 97 parallel I O 4 112 serial I O 4 107 tape 4 96 5103 pr...

Page 268: ...4 power cord specifications A 4 power on check A 4 power requirements A 4 prepower check A 4 specifications A 4 weight A 4 5114 diskette unit A 4 insulator 2 9 interface clear test 4 63 intermittent...

Page 269: ...6 tape motor assembly 2 6 tape unit cable 2 6 location continul dl 5106 al lxil1ary tape unit 2 13 AC terminal qlock 2 13 adapt lr card 2 13 auxiliary tape unit cover 2 13 A1board 2 13 fan 2 13 1 0 i...

Page 270: ...failure isolation charts 4 121 options 4 31 meter calibration 8 2 2 41 microinstructions 3 17 microprogram and data flow example 3 43 microprogramming 3 4 X 6 MIM updates 14 MIMs 1 2 MLM 1 2 monitor...

Page 271: ...37 LED PTX assembly 2 23 read write head 2 23 rescue breathing vii reset F test 4 63 4 112 restart switch service check 2 30 reverse display switch service check 2 30 rewind 2 25 ring magnets 2 34 ri...

Page 272: ...C2 18 ___ I tape continued motion 3 34 motor assembly 2 6 operations 3 33 backspace 3 34 mark 3 33 read 3 34 rewind 3 34 search 3 33 write 3 34 physical beginning and end of tape 3 33 position marker...

Page 273: ...cover cleaning A 6 diagnostic programs and MAPs 3 5 diagnostic routines 4 50 dimensions A 6 error codes 3 5 error detection and FRU isolation 3 5 ground locations 4 77 heat output hr A 6 I O interface...

Page 274: ...X 10...

Page 275: ...e Number Error IBM may use and 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 informati...

Page 276: ...blications 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 30301 U...

Page 277: ...on 4111 Northside Parkway N W P O Box 2150 Atlanta Georgia 30301 U S A only General Business Group International 44 South Broadway White Plains New York 10601 U S A International SY31 0550 2 tii s 0 0...

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