IBM 3270 Maintenance Manual Download

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Summary of Contents for 3270

Page 1: ...IBM 3270 _ PersonalComputer Maintenance Information SY27 2567 2...

Page 2: ...IBM 3270 PersonalComputer Maintenance Infortnation SY27 2567 2...

Page 3: ...signed to avoid electrical shock To insure electrical safety the user MUST supply a properly grounded power receptacle Third Edition October 1984 References in this publication to IBM products program...

Page 4: ...ude suggested safety guidelines for service personnel working on machines first aid if an accident occurs and reporting of accidents Rules for Safety If 1 you know the safety rules for working with el...

Page 5: ...n your work environment Examples ofhazards are moist floors non grounded extension cables power surges and missing safety grounds Do not perform any action that makes the product unsafe or that causes...

Page 6: ...the covers before returning the machine to normal operations Always keep tools tool kits and other service items away from walk areas so that other persons cannot trip over it For example keep the ki...

Page 7: ...nance documents specifically instruct you do not service the following parts with power on if the part is removed from its installed position in the machine power supplies pumps blowers motor generato...

Page 8: ...that are grounded such as metal floor strips machine frames or other conductors Use suitable rubber mats obtained locally if necessary Never assume that power has been removed from a circuit First ch...

Page 9: ...touch ANYTHING it may be moving Safety Glasses viii Wear safety glasses when Using a hammer to drive pins or similar parts Using a power drill Using a spring hook to attach or remove a spring Solderi...

Page 10: ...safety Always think about electrical safety and use good practice for example Make sure that the power receptacle used matches the IBM equipment specifications Inspect power cables and plugs check fo...

Page 11: ...ould have been damaged in shipment The machine could be deteriorated because it is old or because it operates in an extreme environment A part could have become defective thereby causing a hazard A pa...

Page 12: ...still in contact with an electrical current source remove the power to do this you may need to operate the room emergency power off EPO switch or the disconnecting switch If you cannot find the switch...

Page 13: ...has breathed out 1 Prepare for rescue breathing II a Ensure that the victim s airway is open and that it is not obstructed check the mouth for objects that may be obstructing the airway such as chewin...

Page 14: ...whether they move up and down 3 If the victim is not breathing correctly II II a Keep the victim s head tilted backward see D Continue to press on the forehead with your hand at the same time rotate t...

Page 15: ...es Reporting Accidents xiv Report to your superior all electrical accidents possible electrical hazards and accidents that nearly occurred Remember an accident that nearly occurs might be caused by a...

Page 16: ...understand fully the risks involved and the instructions CAUTION Do not connect or disconnect a coaxial cable during an electrical storm CAUTION This product is equipped with a line cord and plug desi...

Page 17: ...References 3270 Personal Computer Guide to Operations 3270 Personal Computer Maintenance Information Electrical Safety for IBM Customer Engineers S229 8124 Note It is possible that not all machine co...

Page 18: ...y service personnel _ Try to determine whether or not the system unit monitor or keyboard have been tampered with Make sure that the covers are not missing or damaged and are securely fastened Check f...

Page 19: ...ther a pop rivet or a bristle screw prevents access of the customer or service personnel to the inside of the power supply Make sure that one or the other is in place Do not attempt to open the power...

Page 20: ...ontinuity of the power cord from the ground pin to the frame The resistance should be less than 0 1 ohms _ Install the power cord s and plug them into the power outlets _ Power up the workstation and...

Page 21: ...S lstem Un t POV1lef COfd...

Page 22: ...Power SuPpl Mounting Screws Rear View Figure 2 Power SUpply Check These screws may not be present on your unit xxi...

Page 23: ...1 Introduction Section 2 Introduction to Diagnostics Section 3 Problem Isolation Charts Section 4 Locations Section 5 Removal Replacement and Adjustments Section 6 Switch Settings Section 7 Parts Cata...

Page 24: ...ied the Removal Replacement and Adjustments section provides all the necessary information to complete the repair This manual also provides operational instructions and hardware and design information...

Page 25: ......

Page 26: ...eck 25 3 25 1 Coprocessor Check 85 3 85 1 Diagnostic Error Chart 90 3 90 1 ROM Error Table 3 90 3 System Board 100 3 100 1 Memory 200 3 200 1 Keyboard Timer 300 3 300 1 Diskette Drive 600 3 600 1 Math...

Page 27: ...10 5 10 1 Option Adapters 20 5 20 1 System Unit 100 5 100 1 Memory 200 5 200 1 Keyboard 300 5 300 1 Diskette Drive 600 5 600 1 Diskette Drive Type 1 601 5 601 1 Diskette Drive Type 2 602 5 602 1 Math...

Page 28: ...Diskette Drive 7 16 Fixed Disk Drive 7 24 Keyboard 7 26 Matrix Graphics Printer 7 28 Chart I Line Cord Assemblies 7 32 Figures 1 System Unit Ground Check xx 2 Power Supply Check xxi XXVll...

Page 29: ......

Page 30: ...distributed function communications adapter display adapter and diskette adapter In addition depending on the model your system unit may contain a 10 megabyte fixed disk drive one or two diskette dri...

Page 31: ...mputer IBM Monochrome Display IBM 3270 Personal Computer Color Display IBM Math Coprocessor Asynchronous Communications Adapter Alternate Asynchronous Communications Adapter Memory Expansion Options E...

Page 32: ...Diagnostics 2 10 Special Key Functions 2 10 Diagnostic Menu Reference 2 11 Menu 1 Select an Option 2 12 Menu 2 Installed Devices 2 13 Menu 3 System Checkout 2 14 Menu 4 Test Select 2 15 Menu 5 Log Uti...

Page 33: ...Notes 2 2 Maintenance Information...

Page 34: ...PICs Note We recommend that you do the POST and diagnostic tests each time you service the IBM 3270 Personal Computer or add an option Power On Self Test POST runs each time power to the system unit...

Page 35: ...f attached to On 2 If your display has a Power switch be sure that it is set to On 3 If you display has brightness or contrast controls make sure they are turned fully clockwise 4 Set the system unit...

Page 36: ...he Inst lled Devices Chart in the Guide to Operations for the amount of memory installed in the system unit b One short beep sounds at the completion of POST c The IBM Personal Computer BASIC screen w...

Page 37: ...roperly connected and all switches are properly set Section 4 Locations shows where the switches are and Section 6 Switch Settings shows how they should be set Following is a list of some errors you m...

Page 38: ...ending on the error If POST is able to finish you may be able to load the diagnostics program This is very important because many of the PIes specify that diagnostic testing be done Note If you receiv...

Page 39: ...were unable to Undetermined Problems You have entered this PIC because you were unable to complete the POST or you have an intermittent problem It is assumed that you have a functional wall outlet and...

Page 40: ...en press Enlcr Skip ltep 2 if yuu only ha e one display d plt r imlallc d 2 Press Y Of N IS A MONITOR ATTACHED TO EVERY I SPlAY AIlAPTER YIN then press Entrr 5 Press Y IS THE LIST C RRECT YIN Ihc n pn...

Page 41: ...e into drive A and close the diskette drive door 2 Set the Power switch on the expansion unit if attached to On 3 Set the Power switch on the system unit to On After POST the diagnostic program loads...

Page 42: ...UTILITIES O START ERROR LOG l STOP ERROR LOG 2 LlST LOG 3 SET TIME OF DAY 4 DlSPLAY TIME OF DAY 9 RETURN FROM UTILITIES ENTER THE ACTION DESIRED MenuS THE INSTALLED DEVICES ARE Menu 2 1 SSYSTEM BOARD...

Page 43: ...Formats a diskette for use with diagnostics only 2 COPY DISKETTE Copies the Diagnostics diskette to another diskette 3 PREPARE SYSTEM FOR RELOCATION Places the fixed disk drive head in the park posit...

Page 44: ...DEVICES ARE 32 S DISPLAY ADAPTER APA 14 S MATRIX PRINTER IS THE LIST CORRECT YIN Y Advances to System Checkout Menu 3 N Allows you to add or delete items from the Installed Devices list Note If you en...

Page 45: ...Performs the diagnostic tests once for problem isolation goes to Menu 4 1 RUN TESTS MULTIPLE TIMES Performs the diagnostic tests once or several times without operator intervention This is a system te...

Page 46: ...options to be tested by typing the corresponding numbers separated by commas or spaces then press Enter To select all options press Enter 1 SYSTEM BOARD Tests the main elements of the system board 18...

Page 47: ...529280 or the Current Loop Mode Wrap Plug IBM Part 6423197 12 ALT ASYNC COMMUNICATIONS ADAPTER Tests the Alternate Asynchronous Communications Adapter with either the RS 232 Mode Wrap Plug IBM Part 85...

Page 48: ...CS PRINTER Tests the printer cable and prints character sets on the IBM 5152 Graphics Printer 29 COLOR PRINTER Tests the printer cable and prints character sets on the IBM 5182 Color Printer October 1...

Page 49: ...LOG Starts a record of failures detected by diagnostic tests You can choose to log to diskette or printer If logging to diskette use a copy of the Diagnostics diskette that is not write protected 1 ST...

Page 50: ...o set the current time of day using a 24 hour clock 4 DISPLAY TIME OF DAY If no time was set displays elapsed time since the diagnostic program was loaded 9 RETURN FROM UTILITIES Returns to System Che...

Page 51: ...AND ENTER FOR OTHER OPTIONS 1 THRU 4 ENTER OPTION DRIVE AND ENTER 1 SEQUENTIAL ACCESS ONE DRIVE Tests the basic diskette operations as well as a sequential write read and compare of data on all secto...

Page 52: ...DRIVE Measures the time required for one revolution of the diskette The range is from 197 to 203 milliseconds 9 RETURN TO CONTROL PROGRAM Returns to System Checkout Menu 3 or continues other tests Oc...

Page 53: ...TESTS ENTER THE ACTION DESIRED o RUN FIXED DISK TEST Tests the fixed disk adapter and the fixed disk drive C or D read and write operation 1 RUN MEASUREMENTS TEST Provides a test signal to measure vol...

Page 54: ...he IBM 3270 Personal Computer 1 A meter similar to the Triplett Model 310 1 2 A tweezer like module puller similar to the one shown below used to remove the memory modules Part Number 9900764 Manufact...

Page 55: ...Notes 2 24 Maintenance Information...

Page 56: ...Memory 200 3 200 1 Keyboard Timer 300 3 300 1 Continuity Check 3 300 15 5 1 4 Inch Diskette Drive Assembly 600 3 600 1 Math Coprocessor 3 700 1 Printer Adapter 900 3 900 1 Asynchronous Communications...

Page 57: ...Notes 3 2 Maintenance Information...

Page 58: ...he Power On Self Test POST An undetermined problem A problem related to one device Note For all problems if you are entering this procedure for the first time begin with Checking Cable Connections on...

Page 59: ...check the outlets for the correct power 3 Remove all non IBM devices and modified options 4 Ensure that the power cords for all work station devices are securely connected at the device end 5 Verify...

Page 60: ...d to On I and check to see if the power supply fan is running IS THE SYSTEM UNIT POWER SUPPLY FAN RUNNING NO If the system unit works properly except for the fan not running replace the power supply S...

Page 61: ...ount of memory installed in the system unit Refer to the IBM 3270 Personal Computer Components Record in your Guide to Operations 7 Refer to Section 6 and verify that the switch settings on the system...

Page 62: ...nses When the system unit is powered on there are three correct responses First A number appears in the top left corner of the screen with the cursor under the first digit of this number While the mem...

Page 63: ...n operating system has been loaded The IBM Personal Computer Basic Version X XX Copyright IBM Corp XXXX XXXX Bytes Free OK 1LIST 2RUN 3l0AD 4SAVE SCONT 6lPT1 7TRON 8TROFF 9KEY OSCREEN Incorrect Respon...

Page 64: ...Power switch to On I Note If you have an expansion unit you must tur it on before the system unit or you may receIve error messages 5 Set the Power switch for the system unit to On I and watch and lis...

Page 65: ...Notes 3 10 4 Maintenance Information...

Page 66: ...age indicated to solve your problem If you cannot load the diagnostic for a PIC replace the adapter associated with that PIC If your problem persists go to page 3 9999 1 If you have multiple error cod...

Page 67: ...heck 3 25 1 Color Display with a blank incorrect or unreadable screen and any audio response 1XX System Board 3 100 1 XXXXX XX 201 Memory 3 200 1 Any Parity Check Memory 3 200 1 3XX or 03XX Keyboard 3...

Page 68: ...3200 1 Adapter XXXXX ROM ROM Error 3 95 3 Table 2 If this adapter is installed in an expansion unit go to page 3 1800 1 and follow directions to test the expansion unit If a problem is found follow th...

Page 69: ...Notes 3 15 4 Maintenance Information...

Page 70: ...ssage exactly as it is shown on the screen This information is required to use the error code chart on page 3 20 5 XXXKB OK 0303 IS A POST 0303 ERROR DISPLAYED YES Replace the keyboard timer adapter S...

Page 71: ...to complete 4 Remove the keyboard adapter cable from the system unit 5 Check the 5 pin keyboard connector at the system unit for the appropriate voltages as shown below Rear View of System Unit Pin V...

Page 72: ...w Back of System Unit 1 Pin 1 2 3 4 5 6 7 8 9 2 3 4 5 Voltage 2 0 5 5 Vdc o L9Vdc No Connection 2 0 5 5 Vdc 2 0 5 5 Vdc 4 5 5 5 Vdc No Connection Ground Ground ARE THE VOLTAGES CORRECT NO Replace the...

Page 73: ...ty of the keyboard adapter cable To System Unit To Keyboard 6 1 70 0 2 0 1 30 05 10 800 3 0 425 0 0 4 3 2 0 90 0 4 0 0 5 1 1 2 2 3 4 4 5 5 6 1 7 8 4 9 2 IS THE CONTINUITY GOOD NO Replace the keyboard...

Page 74: ...FRUs in the order that the errors appear Error Code FRU 301 System Board XXX KB OK 301 Keyboard Timer XXX KB OK Adapter 03XX 301 Keyboard Timer XXX KB OK Adapter 03XX 03XX 301 Keyboard Timer XXX KB O...

Page 75: ...Notes 3 20 6 Maintenance Information...

Page 76: ...f the following screens If your display is readable go to Diagnostic Testing 90 on page 13 90 1 Too DiRJ Too Wide rill Too Short Shrunk z s 11 11 X z d CI CI II Too Narrow CI Changes Size When Brightn...

Page 77: ...Check the power indicator on the front of the display o 111111111111 11111111111111 1111 IS THE POWER INDICATOR LIT YES Go to page 3 25 6 NO 3 25 2 Maintenance InfQrmation...

Page 78: ...he power outlet by plugging in a working lamp 3 Check the display power cord for continuity 11111111111111111111 11111111111111111111 WAS THERE A PROBLEM WITH ANY OF THE ABOVE YES Correct the problem...

Page 79: ...Check your monochrome display screen IS YOUR MONOCHROME DISPLAY SCREEN BLANK NO Go to page 3 25 6 YES 3 25 4 Maintenance Information...

Page 80: ...play power cord from the back of the system unit 2 Check the power plug at the system unit for power IS POWER PRESENT NO Replace the power supply See Section 5 Removal Replacement and Adjustments Octo...

Page 81: ...nal Computer Components Record in your Guide to Operations to determine if you have the programmed symbols PS adapter and the all points addressable APA adapter installed IS THE PS ADAPTER INSTALLED N...

Page 82: ...Remove the PS adapter See Section 5 Removal Replacement and Adjustments IS THE PROBLEM STILL PRESENT NO Go to page 3 25 10 YES October 1984 3 25 7...

Page 83: ...Reinstall the PS adapter if it was removed IS THE APA ADAPTER INSTALLED NO Go to page 3 25 1l YES 3 25 8 Maintenance Information...

Page 84: ...Remove the APA adapter See Section 5 Removal Replacement and Adjustments IS THE PROBLEM STILL PRESENT YES Reinstall the APA adapter and go to page 3 25 11 NO October 1984 3 25 9...

Page 85: ...I I ii 0 Bottom View IS THE CONTINUITY GOOD NO Replace the top card connector See Section 5 Removal Replacement and Adjustments YES Replace the appropriate PS and or APA adapter card s See Section 5 R...

Page 86: ...wn 3 Set the Power switch for the system unit and expansion unit if attached to Off 0 and wait five seconds 4 If you have an expansion unit set its Power switch to On I 5 Set the Power switch for the...

Page 87: ...other beeps after those described above If so answer this question YES YES Replace the display adapter See Section 5 Removal Replacement and Adjustments NO If the problem persists after replacing the...

Page 88: ...30 seconds 2 Press Y then Enter One beep should be heard after approximately one second 3 Press 0 then Enter One beep should be heard after approximately one second 4 Press 3 then 2 then Enter One bee...

Page 89: ...1111111 IESBI Jl DID YOU GET ANY AUDIO RESPONSE NO Replace the keyboard timer adapter See Section 5 Removal Replacement and Adjustments YES Replace the display adapter See Section 5 Removal Replacemen...

Page 90: ...Recall your original POST symptom WAS YOUR ORIGINAL POST SYMPTOM A BLANK SCREEN NO Go to page 3 25 17 YES October 1984 3 25 15...

Page 91: ...ginal POST symptom was a blank screen IS YOUR SCREEN STILL BLANK NO Replace the keyboard timer adapter See Section 5 Removal Replacement and Adjustments YES Go to page 3 25 18 3 25 16 Maintenance Info...

Page 92: ...Carefully examine your screen now DOES YOUR SCREEN CONTAIN UNREADABLE OR INCORRECT CHARACTERS YES Replace the display adapter See Section 5 Removal Replacement and Adjustments NO October 1984 3 25 17...

Page 93: ...2 Again press Y then Enter You should hear one short beep 3 Remove the display signal cable from the system unit 4 Place a jumper between pin 2 and pin 4 of the display signal cable connector on the s...

Page 94: ...2 to 2 4 Vdc 6 Blue Intensity 1 2 to 2 4 Vdc 7 Red Video 1 2 to 2 4 Vdc 8 Horizontal 2 3 to 5 0 Sync Vdc 9 Vertical Sync 2 3 to 5 0 Vdc Pin 5 is for the color display only ARE THE VOLTAGES CORRECT NO...

Page 95: ...pin 8 The correct voltage is shown below Pin Name Voltage 8 Horizontal 0 0 to 1 2 Sync Vdc System Unit o o IS THE VOLTAGE CORRECT YES Replace the display unit See Section 5 Removal Replacement and Ad...

Page 96: ...Coprocessor Check 85 If you have a coprocessor installed it may be faulty IS AN IBM MATH COPROCESSOR INSTALLED IN YOUR SYSTEM UNIT NO Go to page 3 600 l YES October 1984 3 85 1...

Page 97: ...Power switch for the system unit to On I DID THE SYMPTOM REMAIN NO Replace the IBM Math Coprocessor and the 8088 Processor See Section 5 Removal Replacement and Adjustments YES Reinstall the math copr...

Page 98: ...h the load lever down 2 Set the Power switches for all devices printer expansion unit display etc to On I 3 Set the Power switch for the system unit to Off 0 for five seconds 4 Set the Power switch fo...

Page 99: ...ECT AN OPTION 0 RUN DIAGNOSTIC ROUTINES 2 FORMAT DISKETTE 3 PREPARE SYSTEM FOR RELOCATION 9 EXIT TO SYSTEM DISKETTE ENTER THE ACTION DESIRED DID THE ABOVE MENU APPEAR ON YOUR SCREEN NO If you received...

Page 100: ...omputer DIAGNOSTICS Version X XX C Copyright IBM Corp XXXX XXXX SELECT AN OPTION 0 RUN DIAGNOSTIC ROUTINES 2 FORMAT DISKETTE 3 PREPARE SYSTEM FOR RELOCATION 9 EXIT TO SYSTEM DISKETTE ENTER THE ACTION...

Page 101: ...that are installed THE INSTALLED DEVICES ARE 1 S SYSTEM BOARD 18 S EXPANSION OPTION 2 S 384KB MEMORY 3 S KEYBOARD TIM 32 S DISPLAY ADAPTER 14 S MATRIX PRINTER IS THE LIST CORRECT Y N _ S ADAPTER DID T...

Page 102: ...the top of the keyboard ARE ANY OF THE NUMERIC KEYS AT THE TOP OF THE KEYBOARD FUNCTIONING YES Replace the keyboard See Section 5 Removal Replacement and Adjustments NO Replace the keyboard timer adap...

Page 103: ...TUI CJ 1 Flxro DISK DRIVElS ADAPTER m DlSTAlIUTEO FUNCTION COMMUNICATIONS ADAPTER mOl Dps D p DMATNXPAlNTlA D 0 __ CD SVSTfMIO AD TIM m 101S fTTIOAlvEIS DAPTIR m PRlNTEAAOAPTIA Cl A YHCCOMMUNICATIONSA...

Page 104: ...f you have the display adapter and the programmed symbols PS adapter installed item 32 should look like this 132 S DISPLAY ADAPTER PS If you have the display adapter and the all point addressable APA...

Page 105: ...item 32 is correct for your work station IS ITEM 32 OF THE MENU CORRECT YES If you haven t already done so make sure all your switch settings as correct Then go to page 3 90 12 NO 3 90 8 Maintenance I...

Page 106: ...O ATNX NTUI CJ 0 HAL JI E3 ARO CDM EYlOAfIOITIMER m DISKETTE DNYlI I AO TlR m UIAOAPTlfll o SYNC COMMUMCATIONS ADAP ER J FIX D04SKDRlVE S OAPTER CD OISTIllllUTlO FUHCTION COMMUNIC lIONS AO IR II CJ o...

Page 107: ...ove the system unit cover See Section 5 3 Check the continuity between the pins shown below at the appropriate PS and or APA adapter card side of the top card connector to ground B03 B14 IS THE CONTIN...

Page 108: ...apter side of the top card connector to ground for the appropriate PS and or APA adapter B03 B14 IS THE CONTINUITY GOOD _ B01 B03 YES Replace the display adapter See Section 5 Removal Replacement and...

Page 109: ...Check your screen for devices missing from your menu ARE THERE DEVICES MISSING FROM THE MENU NO Go to page 3 90 16 YES 3 90 12 Maintenance Information...

Page 110: ...1 Press N then Enter and an error message will appear 2 Press A then Enter to add items to the list CONTINUE October 1984 3 90 13...

Page 111: ...ist go to 3 1800 1 and run the expansion unit test first 2 S CORRECT MEMORY SIZE 18 S EXPANSION OPTION 7 S MATH COPROCESSOR 11 S ASYNC COMM 12 SALT ASYNC CO 13 S GAME ADAPTER 15 S SDLC ADAPTER 20 S Bs...

Page 112: ...he following 1 Check power sources power switches and cable connections if your option has them 2 If there are separate problem determination procedures for your option or device go to those procedure...

Page 113: ...N then Enter and an error message will appear 2 Press D then Enter to delete an option from the list 1 S SYSTEM BOARD 2 S 384KB MEMORY 18 S EXPANSION OPT 3 S KEYBOARD TIM 9 S PRINTER ADAPTER 13 S GAM...

Page 114: ...en press Enter 2 When the installed devices menu is listed again if it is still wrong follow the screen instructions to add or delete items until the list is correct 3 When the screen is correct conti...

Page 115: ...STEM CHECKOUT o RUN TESTS ONE TIME 1 RUN TESTS MULTIPLE TIMES 2 LOG UTILITIES 9 EXIT DIAGNOSTIC ROUTINES ENTER THE ACTION DESIRED DO YOU NEED AN EXPLANATION OF THIS MENU NO Choose the type of test you...

Page 116: ...be printed or written to a diskette SET TIME OF DAY Allows the user to set the time of day DISPLAY TIME OF DAY Allows the user to display the time of day The machine has a clock function that updates...

Page 117: ...t 1 S SYSTEM BOARD 2 S 384KB MEMORY 3 S KEYBOARD TIMER 6 S 1 DISKETTE DRI 9 S PRINTER ADAPT OR PRESS ENTER TO SELECT ALL OPTIONS DID YOU SELECT A SINGLE DEVICE TO TEST YES Go to the appropriate PIC fo...

Page 118: ...ns any number Error Code PIC Title Page Undetermined 3 9999 1 Problems lXX System Board 3 100 1 20X Memory 3 100 1 or XXXXX XX20X 3XX Keyboard Timer 3 300 1 Adapter 6XX Diskette Drive 3 600 1 7XX Math...

Page 119: ...expansion unit go to page 3 1800 1 and follow directions to test the expansion unit If a problem is found follow the action indicated If no problem is found go to the PIC indicated in the chart above...

Page 120: ...O Replace the Keyboard Timer Adapter CAOOO Replace the Keyboard Timer Adapter C8000 Replace the Fixed Disk Adapter FOOOO Replace the System FlOOD Board F2000 F3000 F4000 F5000 F6000 F7000 F8000 F9000...

Page 121: ......

Page 122: ...1 Set the Power switch on the system unit and expansion unit if attached to Off 2 Insert the Diagnostics diskette in drive A 3 Set the Power switch on the expansion unit if attached and the system uni...

Page 123: ...questions about attached devices may appear on your screen Press Y or N as required then press Enter 3 Press Y or N IS THE LIST CORRECT then press Enter If the list is incorrect follow the instructio...

Page 124: ...SH WITHOUT A lXX ERROR MESSAGE NO Replace your system board see Section 5 Removal Replacement and Adjustments YES Note A 199 error message indicates you answered No to the question about the installed...

Page 125: ...1 and review Start 3 Select LOG UTILITIES in the System Checkout menu start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the system thoroughly and identify the sympt...

Page 126: ...If you have an expansion unit set the Power switch to On 4 Set the Power switch on the system unit to On and if it appears watch to see that the final memory size displayed matches the amount install...

Page 127: ...wn the 7 character error code indicated by the arrow in the example below XXXKB OK XXXXX XX 201 ff XXXX ERROR RESUME F1 KEY DID YOU COMPLETE POST WITH AN ERROR MESSAGE SIMILAR TO THE EXAMPLE ABOVE YES...

Page 128: ...puter DIAGNOSTICS Version X XX C Copyright IBM Corp XXXX SELECT AN OPTION o RUN DIAGNOSTIC ROUTINES 1 FORMAT DISKETTE 2 COPY DISKETTE 3 PREPARE SYSTEM FOR RELOCATION 9 EXIT TO SYSTEM DISKETTE ENTER TH...

Page 129: ...S SYSTEM BOARD 2 S 384KB MEMORY 3 S KEYBOARD TIMER 6 S 1 DISKETIE DRIVE S AND ADAPTER 9 S PRINTER ADAPTER 11 S ASYNC COMMUNICATIONS ADAPTER 17 S 1 FIXED DISK DRIVE S ADAPTER 28 S DISTRIBUTED FUNCTION...

Page 130: ...n character error code indicated by the arrow in the example below ENTER THE f lUMBER S OF OPTIONS TO TEST OR PRESS ENTER TO SELECT ALL OPTIONS 2 TESTING XXXKB MEMORY THIS TEST TAKES UP TO TWO MINUTES...

Page 131: ...stem board ENTER THE NUMBER S OF OPTIONS TO TEST OR PRESS ENTER TO SELECT ALL OPTIONS 72 TESTING XXXKB MEMORY THIS TEST TAKES UP TO TWO MINUTES PLEASE STAND BY XX XX XX J ERROR XXXKB MEMORY 201 S t FA...

Page 132: ...stem board ENTER THE NUMBER S OF OPTIONS TO TEST OR PRESS ENTER TO SELECT ALL OPTIONS 72 TESTING XXXKB MEMORY THIS TEST TAKES UP TO TWO MINUTES PLEASE STAND BY XX XX XX ERROR XXXKB MEMORY 201 S FAILIN...

Page 133: ...Error Code 0 1 2 3 Bank Bank 0 Bank 1 Bank 2 Bank 3 Sixth and Seventh Characters of Error Code 00 01 02 04 08 10 20 40 80 Bit moduleL POl 2 3 4 5 6 7 Bits 0 GB00GGB88 C 4 0 a I e 4J GB8GGGB88 oW rIJ...

Page 134: ...system board have been replaced If you receive the same error code after all four banks have been changed a Replace the system board b Remove all the 64K modules from the old system board and install...

Page 135: ...ode 3COOO 40 201 corresponds to the failing module indicated by the arrow in bank 3 bit 6 Replace the failing 64K module See Section 5 Removal Replacement and Adjustments First Chlrlcter of Error Code...

Page 136: ...cing the failing module run the diagnostics again see page 3 200 55 then return to this page and answer the question below DID THE DIAGNOSTIC RUN SUCCESSFULLY YES The problem is resolved NO October 19...

Page 137: ...NS 72 TESTIN XX KB MEiVIOrN THIS TEST TAKES UP TO TWO MINUTES i ERROF XX 1 13 MEMORY 20 1 S t FAILING ADDRESS SPACE MODULE XxXXX XX PRESS ENTER TO CONTINUE ARE THE FIRST SIXTH AND SEVENTH CHARACTERS O...

Page 138: ...s that has not yet had a module replaced 2 Rerun the diagnostics see page 3 200 55 then return to this page and answer the question below Sixth and Seventh Characters of Error Code 00 01 02 04 08 10 2...

Page 139: ...NG XXXKB MEMORY THIS TEST TAKES UP TO TWO MINUTES PLEASE STAN D BY XX XX XX ERROR XXXKB MEMORY 201 S FAILING ADDRESS SPACE MODULE XXXXX XX PRESS ENTER TO CONTINUE 7 ARE THE FIRST SIXTH AND SEVENTH CHA...

Page 140: ...OR XXXKB MEMORY 201 S FAILING ADDRESS SPACE MODULE XXXXX XX PRESS ENTER TO CONTINUE HAVE YOU REPLACED THE FAILING MODULE IN EACH OF THE FOUR BANKS NO Go to page 3 200 13 YES Replace the system board R...

Page 141: ...f the error code is a 4 5 6 7 8 or 9 the failure is on a memory expansion adapter 128KB Memory Printer Adapter DO YOU HAVE THE 128KB MEMORY PRINTER ADAPTER INSTALLED YES Go to page 3 200 29 NO 3 200 1...

Page 142: ...one with the switch settings that match those in the table First Character of Error Code 4 5 6 or 7 8 or 9 64 256KB Expansion Option Switch Settings 1 2 3 4 On Off On On Off On On On 5 8 N A N A DOES...

Page 143: ...10 20 40 or 80 the failure is one of the 64K memory modules TESTING XXXKB MEMORY THIS TEST TAKES UP TO TWO MINUTES PLEASE STAN D BY XX XX XX ERROR XXXKB MEMORY 201 S FAILING ADDRESS SPACE MODULE XXXX...

Page 144: ...y the first character of the error code First Character of Error Coda 40r 8 50r 9 6 7 aank aank 0 aank 1 aank 2 aank 3 BankO Top Bank 1 B881 B88B8888Bi D I Front 1 G 88 88BG 8888BI 0 1 0 o8BIB 8B80B08...

Page 145: ...been replaced If you receive the same error code after all four banks have been changed a Replace the 64 256KB Memory Expansion Option Adapter b Remove all the 64K modules from the failing adapter and...

Page 146: ...the arrow in bank 3 bit module 3 Replace the failing 64K module See Section 5 Removal Replacement and Adjustments First Chlrletar of Error Coda f i or 8 i Or 9 6 J Blnk Blnk 0 Blnk 1 Blnk 2 Blnk 3 Six...

Page 147: ...cs see page 3 200 55 After the diagnostics are complete return to this page and answer the question below DID THE DIAGNOSTICS RUN SUCCESSFULLY YES Your system is functioning properly NO 3 200 22 Maint...

Page 148: ...TWO MINUTES PLEASE STAND BY XX XX XX I I I ERROR XXXKB MEMOHY 201 S t tt FAILING ADDRESS SPACE MODULE XXXXX XX PRESS ENTER TO CONTINUE ARE THE FIRST SIXTH AND SEVENTH CHARACTERS OF THE NEW ERROR CODE...

Page 149: ...ne of the banks that has not yet had a module replaced 2 Rerun the diagnostics see page 3 200 55 then return to this page and answer the question below Sixth and Seventh Characters of Error Code 00 01...

Page 150: ...S UP TO TWO MINUTES PLEASE STAND BY If EX XXXXKB MEMORY 201 S l FAILING ADDRESS SPACE MODULE XXXXX XX PRESS ENTER TO CONTINUE ARE THE FIRST SIXTH AND SEVENTH CHARACTERS OF THE NEW ERROR CODE IDENTICAL...

Page 151: ...BANKS NO Go to page 3 200 24 YES Replace the 64 256KB Memory Expansion Option Remove all 64K modules from the failing adapter and install them on the new adapter See Section 5 Removal Replacement and...

Page 152: ...tch settings with those in the charts Then return to this page WERE THE SWITCH SETTINGS CORRECT FOR THE AMOUNT OF MEMORY INSTALLED IN YOUR SYSTEM NO Correct the switch settings then and rerun the diag...

Page 153: ...S KEYBOARD TIME H 6 S 1 DISKETTE DRIVE S AND ADAPTER 9 S PRINTER ADAPTER 17 S 1 FIXED DISK DRIVE S ADAPTER 28 S DISTRIBUTED FUNCTION COMMUNICATIONS ADAPTER 32 S DISPLAY 14 S MATRIX PRINTER IS THE LIST...

Page 154: ...ard attaches to the 128KB Memory Printer Adapter 128KB Memory Printer Adapter 256KB Memory Expansion Card DO YOU HAVE THE 256KB MEMORY EXPANSION CARD INSTALLED IN YOUR SYSTEM UNIT NO Go to page 3 200...

Page 155: ...SELECT ALL OPTIONS 2 TESTIN XXXKB MEMORY THIS TEST TAKES UP TO TWO MINUTES PLEASE STAND BY XX XX XX I ERROR XXXKB MEMORY 201 S t FAILING ADDRESS SPACE MODULE XXXXX XX PRESS ENTER TO CONTINUE 7_ IS TH...

Page 156: ...y the switch settings for this temporary removal Your memory will now be 384K during post 256KB Memory Expansion Card 128KB Memory Printer Adapter DID THE DIAGNOSTIC COMPLETE SUCCESSFULLY YES Replace...

Page 157: ...KB MEMORY THIS TEST TAKES UP TO TWO MINUTES PLEASE STAND BY XX XX XX ERROR XXXKB MEMORY 201 S FAILING ADDRESS SPACE MODULE XXXX XX PRESS ENTER TO CONTINUE IS THE FIRST CHARACTER OF YOUR ERROR CODE A 5...

Page 158: ...the connection is secure replace the 256KB Memory Expansion Card then go to step 2 below 2 Run the diagnostics again see page 3 200 55 then return to this page and answer the question below DID THE DI...

Page 159: ...IS TEST TAKES UP TO TWO MINUTES PLEASE STAN D BY XX XX XX I ERROR XXXKB MEMORY 201 S t FAILING ADDRESS SPACE MODULE XXXXX XX PRESS ENTER TO CONTINUE IS THE FIRST CHARACTER OF YOUR ERROR CODE A 4 or 5...

Page 160: ...switch settings that match those in the table First Character of Error Code 6 7 8 or 9 64 256KB Expansion Option Switch Settings 1 2 3 4 5 8 On Off Orf On N A DOES YOUR SYSTEM HAVE A 64 256KB MEMORY E...

Page 161: ...ne of the 64K memory modules ENTER THE NUMBER S OF OPTIONS TO TEST OR PRESS ENTER TO SELECT ALL OPTIONS 2 TESTING XXXKB MEMORY THIS TEST TAKES UP TO TWO MINUTES PLEASE STAND BY XX XX XX ERROR XXXKB ME...

Page 162: ...to the failing module identified by the arrow in bank 3 bit module 3 Replace the failing 64K module See Section 5 Removal Replacement and Adjustments First Character of Error Code 40r 8 50r 9 6 7 Ban...

Page 163: ...s displayed as a five character alphanumeric code under the parity check message If the failing address cannot be identified five question marks are displayed under the parity check message PARITY CHE...

Page 164: ...n The first character of the five character error code identifies the failing bank For example error code 2COOO would indicate that bank 2 is failing Fint ChlrlCtlr of En rC 0 1 2 3 alnk alnk 0 alnk 1...

Page 165: ...ace all nine modules in the bank indicated by the first character of the error code Fint Chlncter If Err r Cede 0 1 2 3 Blnk alnk 0 alnk 1 alnk 2 alnk 3 iBB0GGG086 iBB0GGG086 iBB0GGG08B iBB8GGBGBB Fro...

Page 166: ...tem board have been replaced If you receive the same error code after all four banks have been changed a Replace the system board b Remove all the 64K modules from the old system board and install the...

Page 167: ...er of your error code is 4 5 6 7 8 or 9 The failure is in a memory expansion adapter 128KB MemO Printer Adapter DO YOU HAVE THE 128KB MEMORY PRINTER ADAPTER YES Go to page 3 200 46 NO 3 200 42 Mainten...

Page 168: ...s the one with the switch settings that match those in the table First Character of Error Code iJ 5 6 or 7 8or9 64 256KB Expansion Option Switch Settings 1 2 3 4 On Off On On Off On On On 5 8 N A N A...

Page 169: ...ank For example error code 8COO would indicate that bank 2 is failing 2 Replace all nine modules in the bank indicated by the first character of the error code Fint Chlrlcter of Error Code 40r 8 5or 9...

Page 170: ...rd have been replaced If you receive the same error code after all four banks have been changed a Replace the 64 256KB Memory Expansion Option b Remove all the 64K modules from the failing adapter and...

Page 171: ...256KB Memory Expansion Card attaches to the 12SKB Memory Printer Adapter 25 KB Memory Expansion Card DO YOU HAVE THE 256KB MEMORY EXPANSION CARD NO Go to page 3 200 51 YES 3 200 46 Maintenance Informa...

Page 172: ...ENTER TO SELECT ALL OPTIONS 2 TESTING XXXKB MEMORY THIS TEST TAKES UP TO TWO MINUTES PLEASE STAND BY ERROR XXXKB MEMORY 201 S XX XX XX FAILING ADDRESS SPACE MODULE XXXX XX PRESS ENTER TO CONTINUE IS...

Page 173: ...ry to modify the switch settings for this temporary removal Your memory will now be 384K during post 128KBMemory Printer Adapter DID THE DIAGNOSTIC COMPLETE SUCCESSFULLY YES Replace the 256KB Memory E...

Page 174: ...NG XXXKB MEMORY THIS TEST TAKES UP TO TWO MINUTES PLEASE STAND BY XX XX XX ERROR XXXKB MEMORY 201 S FAILING ADDRESS SPACE MODULE XXXXX XX PRESS ENTER TO CONTINUE IS THE FIRST CHARACTER OF YOUR ERROR C...

Page 175: ...age 3 200 55 then return to this page and answer the question below DID THE DIAGNOSTICS COMPLETE SUCCESSFULLY YES Your system is now functioning correctly NO If you get the same failure replace the 12...

Page 176: ...O SELECT ALL OPTIONS 72 TESTING XXXKB MEMORY THIS TEST TAKES UP TO TWO MINUTES PLEASE STAND BY XX XX XX ERROR XXXKB MEMORY 201 S FAILING ADDRESS SPACE MODULE XXXXX XX PRESS ENTER TO CONTINUE IS THE FI...

Page 177: ...h settings that match those in the table First Character of Error Code 64 256KB Expansion Option Switch Settings 6 7 8 9 or 1 2 3 4 5 8 On Off Off On N A DOES YOUR SYSTEM HAVE A 64 256KB MEMORY EXPANS...

Page 178: ...e 8COO would indicate that bank 2 is failing 2 Replace all nine modules in the bank indicated by the first character of the error code Fint Chlrlcter of Err r Co 4 or 8 5 r 9 7 Blnk Blnk 0 Blnk 1 Blnk...

Page 179: ...been replaced If you receive the same error code after all four banks have been changed a Replace the 64 256KB Memory Expansion Option h Remove all the 64K modules from the failing adapter hoard and...

Page 180: ...drive A and the load lever down set the system unit On Off I O switch Off 0 2 Wait 5 seconds and set the system unit On Off I O to On I 3 When the diagnostic menu appears press 0 RUN DIAGNOSTICS then...

Page 181: ...sts If the diagnostic runs successfully a Memory 200 will appear ve17Y briefly followed by the screen shown below SYSTEM CHECKOUT 0 RUN TESTS ONE TIME 1 RUN TESTS MULTIPLE TIMES 2 LOG UTILITIES 3 EXIT...

Page 182: ...3 Select UTILITIES in the diagnostic menu start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the machine thoroughly and identify the failing symptom When you have i...

Page 183: ...Notes 3 200 58 Maintenance Information...

Page 184: ...or code or you have identified a Keyboard Timer problem If you have a POST 3XX error you should go to Keyboard Check on page 3 20 1 XX XX XX ERROR KEYBOARD TIMER 3XX S DO YOU HAVE A 3XX DIAGNOSTIC ERR...

Page 185: ...into drive A and push the load lever down 3 If you have an Expansion Unit set its Power switch to On 4 Set the Power switch on the system unit to On and the Diagnostic diagnostic menu should appear T...

Page 186: ...ress Y or N IS THE LIST CORRECT then press Enter If the list is incorrect follow the instructions on the screen to correct the list before answering yes 4 Press 0 RUN TESTS ONE TIME then press Enter 5...

Page 187: ...verify that each block changes to a character It is not important at this time that the character is the correct character DID EACH BLOCK CHANGE TO A CHARACTER NO Replace the keyboard See Section 5 R...

Page 188: ...was pressed last DID EACH BLOCK CHANGE TO THE CORRECT CHARACTER NO This problem could be caused by a fault in the adapter for your display Go run diagnostic for your display If the PC Character Sets...

Page 189: ...racter on the screen should blink This is the typematic test For test purposes all keys have been made typematic DID THE TYPEMATIC TEST WORK CORRECTLY NO Replace the keyboard See Section 5 Removal Rep...

Page 190: ...then Enter 2 Look at the back of your system unit to determine if you have a serial port and NMI button DOES YOUR SYSTEM UNIT HAVE A SERIAL PORT AND NMI BUTTON NO Go to page 3 300 16 YES October 1984...

Page 191: ...3 300 8 XX XX XX ERROR KEYBOARD TIMER 3XX S DID YOU GET A 3XX ERROR YES Go to Keyboard Diagnostic Error Codes on page 3 300 14 NO Maintenance Information...

Page 192: ...displayed INSTALL THE SERIAL PORT WRAP PLUG PRESS ENTER WHEN READY 7_ DID THE MESSAGE SHOWN ABOVE APPEAR ON YOUR SCREEN NO Replace the Keyboard Timer Adapter See Section 5 Removal Replacement and Adju...

Page 193: ...1 If there is any device attached to the Keyboard Timer serial port remove it 2 Install the serial port wrap plug Serial Port r p Plug 8 7 6 432 I o 54 O J CONTINUE 3 300 10 Maintenance Information...

Page 194: ...RIAL PORT WRAP PLUG RECONNECT ANY PREVIOUSLY ATTACHED St RIAL P HT DEVICE PRESS ENTER WHEN READY DID MESSAGE SHOWN ABOVE APPEAR ON YOUR SCREEN NO Replace the Keyboard Timer card See Section 5 Removal...

Page 195: ...ter 2 If you removed a serial port device earlier in this procedure reconnect it 3 Press Enter to continue testing XX XX XX ERROR KEYBOARD TIMER 3XX S DID YOU RECEIVE A 3XX ERROR MESSAGE YES Go to Key...

Page 196: ...Timer adapter and check to see if an OK appears on your screen PRESS THE NMI BUTTON ON THE REAR OF THE KEYBOARD TIMER ADAPTER DID OK APPEAR IN THE BOX Y N DID OK APPEAR IN THE BOX ON YOUR SCREEN NO Re...

Page 197: ...Replace Keyboard 320 321 Rerun the program and verify the operator actions If the same error occurs replace the keyboard 322 Go to Continuity Check on page 3 300 15 323 326 Replace Keyboard Timer Ada...

Page 198: ...700 2 0 1 30 05 10 o 3 0 4 3 2 0 80 0 4 0 425 0 90 0 5 0 0 J 1 1 2 2 3 4 4 5 5 6 I 7 8 4 9 2 IS THE CONTINUITY OK YES Replace the system board See Section 5 Removal Replacement and Adjustments NO Repl...

Page 199: ...eview Start 3 Select UTILITIES in the diagnostic menu and start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the machine thoroughly and identify the failing symptom...

Page 200: ...cceptable for voltages described as approximately X Vdc Requested Voltage Reading Approximately 0 0 Vdc Approximately 0 2 Vdc Approximately 0 5 Vdc Approximately 5 0 Vdc Approximately 12 0 Vdc Minimum...

Page 201: ...umber is visible from the top of the drive 2 Determine if your diskette is a type 1 or type 2 drive Type 1 diskette drives have an A B or no character before the serial number Type 2 drives have a D 3...

Page 202: ...aged connectors 3 Ensure the diskette assembly mounting screws are tight 4 Insert your Diagnostics diskette in drive A 5 Set the Power switch on the expansion unit if attached and system unit to On an...

Page 203: ...DVANCED DIAGNOSTICS Version 2 XX C Copyright IBM Corp 1981 1982 SELECT AN OPTION o RUN DIAGNOSTIC ROUTINES 1 FORMAT DISKETTE 2 COPY DISKETTE 3 PREPARE SYSTEM FOR RELOCATION 9 EXIT TO SYSTEM DISKETTE E...

Page 204: ...3 Insert a write protected scratch diskette in the selected drive then press Enter The following message will appear if the write protect feature is working properly FORMAT NOT COMPLETED WRITE PROTECT...

Page 205: ...ices may appear on your screen Press Y or N as required then press Enter 3 Press Y or N IS THE LIST CORRECT then press Enter If the list is incorrect follow the instructions on the screen to correct t...

Page 206: ...s Y WAIT EACH TIME AN ERROR OCCURS then Enter 8 Insert a scratch diskette in all diskette drives then press Enter TESTING X DISKETTE DRIVE S AND ADAPTER XX XX XX 611 TIME OUT 80210200090006 0301020005...

Page 207: ...X S 611 TIME OUT 80200400090006 0300040007 IS THE FOURTH CHARACTER OF LINE 2 A ZERO NO Set the Power switch on the system unit and expansion unit if attached to Off Swap the signal cable connectors fo...

Page 208: ...5 Go 626 Go Action to page 3 600 32 to page 3 600 36 to page 3 600 32 to page 3 600 32 to page 3 600 31 to page 3 600 31 to page 3 600 31 to page 3 600 31 to page 3 600 31 to page 3 600 31 to page 3 6...

Page 209: ...skette drive logic board when the spindle is turning For a Type 1 diskette drive check between pins P9 1 and P9 2 For a Type 2 diskette drive check between pins J3 15 and J3 16 Type 1 Tvpe2 J 3 Connec...

Page 210: ...the table below Pins r1 2 3 41 0 0 0 0 0 L ______ 1 Diskette Drive Power Connector Min Vdc Max Vdc Lead Lead 4 8 5 2 2 4 11 5 12 6 3 J 1 ARE THE VOLTAGES WITHIN THE LIMITS SHOWN IN THE TABLE NO Go to...

Page 211: ...terminating resistor is correctly inserted It should be in the logic board of drive A and not in the logic board of drive B see Section 4 Locations 3 Set the Power switch on the expansion unit if atta...

Page 212: ...signal cable connector for approximately 5 0 Vdc at the start of POST WAS THE VOLTAGE APPROXIMATELY 5 0 Vdc AT THE START OF POST NO Replace the diskette drive see Section 5 Removal Replacement and Ad...

Page 213: ...unit to On 3 Check that the voltage at pin 12 on the signal cable connector decreases from approximately 5 0 Vdc at the start of POST to approximately 0 Vdc during POST DID THE VOLTAGE DECREASE TO APP...

Page 214: ...e should decrease from approximately 0 5 Vdc to approximately 0 Vdc as you insert the diskette For a Type 2 diskette drive check the voltage from J3 20 to ground increases from approximately 0 Vdc to...

Page 215: ...ly 0 Vdc as you insert the diskette For a Type 2 diskette drive check that the voltage between U6 of pin 5 and ground decreases from approximately 5 0 Vdc to approximately 0 Vdc as you insert the disk...

Page 216: ...s 3 Set the Power switch on the expansion unit if attached and the system unit to On 4 Observe the spindle during POST Spindle I FiJI F t ll U II j U r tf In I Front View Diskette Drive DID THE SPINDL...

Page 217: ...justments Note Fluorescent lighting is needed to see the strobe effect on this test Type 1 Type 2 IS THE SPEED OF THE DISKETTE DRIVE CORRECT NO Adjust the speed of the diskette drive If you are unable...

Page 218: ...head assembly toward the rear of the diskette drive assembly until it reaches track O Note The head is moved under power by the stepper motor When you move the head by hand you will feel some resistan...

Page 219: ...the expansion unit if attached and the system unit to On For a Type 1 diskette drive check the voltage at PII 1 It should be approximately 0 Vdc before the LED lights at the end of For a Type 2 diske...

Page 220: ...ck o 4 Reinstall the diskette drive logic board see Section 5 Removal Replacement and Adjustments 5 Set the Power switch on the expansion unit if attached and the system unit to On 6 Check that the vo...

Page 221: ...DID THE VOLTAGE DECREASE TO APPROXIMATELY 0 Vdc WHEN THE LED LIT AT THE END OF POST NO Replace the diskette drive see Section 5 Removal Replacement and Adjustments YES 3 600 22 Maintenance Information...

Page 222: ...board of drive B see Section 4 Locations 3 Set the Power switch on the expansion unit if attached and the system unit to On 4 Check that the voltage at pin 18 on the signal cable connector is approxim...

Page 223: ...ts and the instructions below For a Type 1 diskette drive leave all connectors except P5 and P6 connected For a Type 2 diskette drive leave all connectors except HDO and HDI connected 3 Lift the diske...

Page 224: ...to On 6 Observe the movement of the head assembly Track 39 Track 0 Type 1 Track 39 Type 2 DOES THE HEAD ASSEMBLY MOVE TO TRACK 0 AND THEN AWAY FROM IT BEFORE THE END OF POST NO Replace the diskette dr...

Page 225: ...stall the diskette drive logic board and connectors you disconnected earlier see Section 5 Removal Replacement and Adjustments 3 Insert your Diagnostics diskette 4 Set the Power switch on the expansio...

Page 226: ...e drive logic board while the LED is on during POST For a Type 2 diskette drive check point U6 of the diskette drive logic board while the LED is on during POST Type 1 Type 2 DOES THE VOLTAGE INCREASE...

Page 227: ...table below Pins r1 2 3 4 0 0 0 0 0 L ______ J Diskette Drive Power Connector Min Vdc Max Vdc Lead Lead 4 8 5 2 2 b 4 11 5 12 6 3 1 ARE THE VOLTAGES WITHIN THE LIMITS SHOWN IN THE TABLE NO Go to Unde...

Page 228: ...unit if attached and the system unit to On 3 Check that the voltage at pin 16 on the signal cable connector is approximately 5 0 Vdc at the start of POST and decreases to approximately 0 Vdc before t...

Page 229: ...HE DRIVE BELT INSTALLED ON THE PULLEYS CORRECTLY AND IN GOOD CONDITION NO If the belt is installed incorrectly correct it if it is not in good condition replace it see Section 5 Removal Replacement an...

Page 230: ...ents Note Fluorescent lighting is needed on this test to see the strobe effect 2 Go to page 3 600 6 and perform steps 1 through 8 to do the diagnostic tests on a formatted diskette Then return to this...

Page 231: ...ion Code 606 Your signal cable Go to page 611 Diskette Drive 3 600 34 621 Adapter or 622 Diskette Drive has 623 failed 624 625 626 607 Write Protect Go to page Error 3 600 36i 608 There is a problem U...

Page 232: ...ead write head connected to P5 see Section 4 Locations TESTING 1 DISKETTE DRIVE S AND ADAPTER DISKETTE A IS DOUBLE SIDED 1 DISKETTE DRIVE S AND ADAPTER 600S IS THE DISKETTE DRIVE INFORMATION CORRECT N...

Page 233: ...the Diskette Drive Adapter and diskette drive 3 Carefully inspect the cable connectors for bent or broken contacts Inspect the connectors on the adapter and on the diskette drive logic board for crac...

Page 234: ...8 30 30 30 30 32 32 32 32 34 34 34 34 OHPi i Odd Pin m ing Diskette AdiptIF DiIIIlttt AdiptIF 1 1 1 1 3 3 3 3 5 5 5 5 7 7 7 7 9 9 9 9 15 11 11 13 13 13 13 15 11 15 15 17 17 17 17 19 19 19 19 21 21 21...

Page 235: ...each time the switch operates For a Type 2 diskette drive check that the voltage from J3 14 to ground decreases from approximately 5 0 Vdc to approximately 0 Vdc each time the switch operates Type 1...

Page 236: ...1 Remove your diskette 2 Cheek that the voltage at Jl 28 is approximately 5 0 Vde IS THE VOLTAGE APPROXIMATELY 5 0 Vdc NO Go to page 3 600 34 YES October 1984 3 600 37...

Page 237: ...hould be approximately 5 0 Vdc and decrease to approximately 0 Vdc each time the Write Protect switch operates To test drive B exchange the signal cable connectors and do the same steps DID THE VOLTAG...

Page 238: ...3 5 1 and review Start 3 Select LOG UTILITIES in the System Checkout menu start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the system thoroughly and identify the...

Page 239: ...Notes 3 600 40 Maintenance Information...

Page 240: ...hed to Off 2 Insert your Diagnostics diskette in drive A 3 Set the Power switch on the expansion unit if attached and the system unit to On The menu below should be displayed The IBM 3270 Personal Com...

Page 241: ...ollow the instructions on your screen and correct the list before answering yes Press 0 RUN TESTS ONE TIME then press Enter Press 7 MATH COPROCESSOR then press Enter The message on the screen below sh...

Page 242: ...R 701 S SWITCH 1 2 INCORRECT PRESS ENTER TO CONTINUE DID YOU COMPLETE THE TEST WITHOUT THIS ERROR MESSAGE NO Set all Power switches to Off Correct the switch settings in your machine See Section 6 Swi...

Page 243: ...ar to the one below ERROR MATH COPROCESSOR 701 S DID YOU COMPLETE THE TEST WITHOUT THIS ERROR MESSAGE NO Replace the Math Coprocessor and 8088 processor See Section 5 Removal Replacement and Adjustmen...

Page 244: ...3 Select UTILITIES in the diagnostic menu start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the machine thoroughly and identify the failing symptom When you have id...

Page 245: ...Notes 3 700 6 Maintenance Information...

Page 246: ...ic tests 1 Set the Power switch on the system unit and expansion unit if attached to Off 2 Remove the Printer Cable from the Printer Adapter 3 Insert the Diagnostics diskette in drive A 4 Set the Powe...

Page 247: ...ions on the screen to correct the list before answering yes If you can not correct the list you still must answer yes before you can continue 3 Press 0 RUN TESTS ONE TIME then Enter 4 Press 9 PRINTER...

Page 248: ...receive an error message you would have received a message similar to the one below Note Do not press Enter at this time TESTING PRINTER ADAPTER INSTALL THE WRAP PLUG AND PRESS ENTER CONTINUE October...

Page 249: ...l the Printer Adapter wrap plug as shown below If you do not install the wrap plug you will receive an invalid error code CONTINUE 3 900 4 Maintenance Information Printer Adapter Wrap Plug IBM Part 85...

Page 250: ...PRESS ENTER TO CONTINUE DID AN ERROR MESSAGE APPEAR NO Remove the Printer Adapter wrap plug You may want to run additional tests on the printer attached to this adapter see PIC 3 1400 1 Graphics Print...

Page 251: ...an expansion unit there could be a problem with the expansion unit IS THE PRINTER ADAPTER INSTALLED IN AN EXPANSION UNIT NO Replace the Printer Adapter See Section 5 Removal Replacement and Adjustmen...

Page 252: ...tender card This is the card in the system unit that communicates with the expansion unit 5 Plug the printer adapter into the vacant slot 6 Go to 3 900 1 to rerun the PIC then return here and answer t...

Page 253: ...Check the continuity of the expansion unit signal cable IS THE CONTINUITY GOOD NO Replace the expansion unit signal cable YES Replace the expansion unit receiver card 3 900 8 Maintenance Information...

Page 254: ...3 5 1 and review Start 3 Select LOG UTILITIES in the System Checkout menu start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the system thoroughly and identify the...

Page 255: ...Notes 3 900 10 Maintenance Information...

Page 256: ...onous Communications Adapter is set for primary asynchronous adapter operation If a second Asynchronous Communications Adapter is installed it must be set for alternate asynchronous adapter operation...

Page 257: ...hed and the system unit to On If an error occurs press the PFI key The following appears on your screen The IBM Personal Computer ADVANCED DIAGNOSTICS Version 2 XX C Copyright IBM Corp 1981 1983 SELEC...

Page 258: ...quired then press Enter 3 Press Y or N IS THE LIST CORRECT then Enter If the list is not correct follow the instructions on your screen and correct the list before answering yes If you cannot correct...

Page 259: ...the Asynchronous Communications Adapter or the IBM Communications Adapter Cable TESTING ASYNC COMMUNICATIONS ADAPTER IS AN IBM COMMUNICATIONS ADAPTER CABLE ATTACHED TO THE ASYNC ADAPTER YIN Y INSTALL...

Page 260: ...e IBM Communications Adapter Cable 2 Press Enter to begin the test The test may take up to 15 seconds IBM Communications Adapter Wrap Plug DID YOU RECEIVE A MESSAGE INSTRUCTING YOU TO INSTALL THE WRAP...

Page 261: ...he figure below and install the wrap plug on the Asynchronous Communications Adapter 3 Press Enter to begin the test The test may take up to 15 seconds Alt Asvnch Adapter Connector IBM Communications...

Page 262: ...The test ended with an error IS THE ASYNC ADAPTER INSTALLED IN THE EXPANSION UNIT NO Replace the cable or adapter as instructed by the screen message YES October 1984 3 1100 7...

Page 263: ...nder card This is the card in the system unit that communicates with the expansion unit 5 Plug the asynchronous communications adapter into the vacant slot 6 Go to 3 1100 1 to rerun the PIC then retur...

Page 264: ...Check the continuity of the expansion unit signal cable IS THE CONTINUITY GOOD NO Replace the xpansion unit signal cable YES Replace the expansion unit receiver card October 1984 3 1100 9...

Page 265: ...and review Start 3 Select LOG UTILITIES in the System Checkout menu start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the system thoroughly and identify the sympto...

Page 266: ...Notes October 1984 3 1100 11...

Page 267: ......

Page 268: ...o run the Printer Adapter diagnostic before you continue with this procedure 1 Set the system unit power switch to Off 2 Set the printer Power switch to Off 3 Verify that the forms and ribbon are prop...

Page 269: ...Press the Online button DO THE ONLINE AND READY LIGHTS GO OUT NO Replace the printer See Section 5 Removal Replacements and Adjustments YES 3 1400 2 Maintenance Information...

Page 270: ...dvances a line at a time 2 Press the Form Feed button and verify that the paper advances a form at a time DOES THE PAPER ADVANCE WHEN YOU PRESS EACH BUTTON NO Replace the printer See Section 5 Removal...

Page 271: ...ES THE ALARM SOUND AND THE NO PAPER LIGHT GO ON NO Check the switch settings on the printer circuit board If switch setting 1 6 is On replace the printer If it is Off position it to On then rerun this...

Page 272: ...et the printer Power switch to On 4 Insert the Diagnostics diskette in drive A and push the load lever down 5 Set the system unit Power switch to On 6 When the Diagnostic Menu appears type 0 RUN DIAGN...

Page 273: ...When the Installed Devices menu appears check to see that 14 is on the list IS OPTION 14 ON THE INSTALLED DEVICES MENU NO Go to page 3 1400 11 YES 3 1400 6 Maintenance Information...

Page 274: ...1 Type Y then press Enter 2 Type 0 then press Enter to select RUN TESTS ONE TIME 3 Type 14 then press Enter DID YOUR PRINTER PRINT THE TEST PATTERN NO Go to page 3 1400 11 YES October 1984 3 1400 7...

Page 275: ...llowing pages IBM MATRIX PRINTER i 8 I1 0123456789 II 7 8ABCDEFBHIJKLHNO PDRSTUYlXYZ A_ bcd fghijklmno pqr _tUVWK yz I J X C I 0123456719 8ABCDEFBHI JKUNl PGlRElTUVWXVZI I _ 1abcdefghijkl no pqr t 5t...

Page 276: ...234567891 a 8ABCDEFBHIJKL NO PQRSTUVWXVZC _ otabcdefghijklmno p qr s t x yz 8 4i6 ff Q r i I t1 rITz S Qjf L J DOD _ Character Set 2 8 C l 23456789 ABCDEFGHIJKLMNO PQRSTUVNXVH _ abcdefghijklmno pq 1iE...

Page 277: ...If you are using a keyboard other than U S English and your printout does not NO match the desired character set verify that the switch settings are correct for the desired character set If the switch...

Page 278: ...rts or opens Printer Signal Cable Priat Coo_or PI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 32 31 36 33 19 21 23 25 27 29 30 SyatlllU it Coo_orPI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24...

Page 279: ...switch to Off 2 Unplug the printer power cord 3 Check f r an open fuse See Section 4 Locations IS THE FUSE OPEN NO Replace the printer See Section 5 Removal Replacement and Adjustments YES 3 1400 12...

Page 280: ...r switch to On 4 Leave the printer power On for one minute 5 Set the printer power switch Off 6 Unplug the printer power cord from the power outlet 7 Check for an open fuse DID THE FUSE OPEN AGAIN NO...

Page 281: ...itching the printer On While the test runs check that a The ribbon is installed properly b The forms and paper are inserted properly c The forms or paper path has no obstructions d The tractors are ad...

Page 282: ...STUVWXYZr A_ abc Q STUVWXYZ J _ 1abcdefghiJh lRSTUVWXYZ JA_ abcdefghijklmno STUVWXYZr J _ abcdefghi jklmnopqrstLt TUVWXYZr JA_ abcdefghijklmnopqrstuvwxYZ il rUVWXYZ JA_ abcdefghijklmnopqrstuvwxyz I JV...

Page 283: ...EFGHIJKL 0123456789 ABCDEFGHIJKLM 0123456789 ABCDEFGHIJKLMNC QQ ABCDEFGHIJKLMNOP ABCDEFGHIJKLMNOPQ DEFGHIJKLMNOPQR I r 11 LMNOPQRS Character Set 2 11 0 1I 81 11 8 t II 0 123 h II 012345678 7 II 81 l 0...

Page 284: ...glish and your printout does not match the desired character set verify that the switch settings are correct for the desired character set If the switch settings are correct have your printer serviced...

Page 285: ...1 3 Print BuIlIlFuil Print Only line Feed On 1 4 ClRCei Code Invalid Valid Off 1 4 Cancel Code Invalid Valid 011 1 5 Not Applicable On 1 5 Delate Code Invalid Valid On 1 6 Error Buzzer Sound Don Not O...

Page 286: ...nter serviced Your printer also is controlled by program commands from the system unit If you are still having a printer problem or if a problem occurs only during a particular program examine the pro...

Page 287: ...Notes 3 1400 20 Maintenance Information...

Page 288: ...ng resistor is a 14 pin logic block in a socket close to the rear of the printed circuit board with a T RES label on it Be sure the terminating resistor is positioned properly and in the correct fixed...

Page 289: ...ECT then Enter If the list is not correct follow the instructions on your screen and correct the list before answering yes If you cannot correct the list you still must answer yes before you can conti...

Page 290: ...rror the following will appear TESTING X FIXED DISK DRIVE S ADAPTER o RUN FIXED DISK TEST 1 RUN MEASUREMENTS TEST 2 FORMAT FIXED DISK 9 EXIT FIXED DISK TESTS ENTER THE ACTION DESIRED DID THE TEST FINI...

Page 291: ...en formatted yet you should format it before you continue Warning Formatting your fixed disk will erase all data on the fixed disk DO YOU WANT TO FORMAT YOUR FIXED DISK YES Go to page 3 1700 20 NO 3 1...

Page 292: ...DISK TEST then Enter 2 When ENTER DRIVE ID CjD appears press C for drive C then press Enter 3 When DO YOU WANT TO INCLUDE FIXED DISK WRITE TESTS ON DRIVE C appears press Y or N then Enter CONTINUE Oc...

Page 293: ...ERFORMING TRACK ZERO TEST PERFORMING SURFACE SCAN PLEASE STAND BY o RUN FIXED DISK TEST 1 RUN MEASUREMENTS TEST 2 FORMAT FIXED DISK 9 EXIT FIXED DISK TESTS ENTER THE ACTION DESIRED DID THE ABOVE APPEA...

Page 294: ...age 3 1700 26 1 Press 0 RUN FIXED DISK TEST then Enter 2 When ENTER DRIVE ID C D appears press D for drive D then press Enter 3 When DO YOU WANT TO INCLUDE FIXED DISK WRITE TESTS ON DRIVE D appears pr...

Page 295: ...RACK ZERO TEST PERFORMING SURFACE SCAN PLEASE STAND BY o RUN FIXED DISK TEST 1 RUN MEASUREMENTS TEST 2 FORMAT FIXED DISK 9 EXIT FIXED DISK TESTS ENTER THE ACTION DESI RED DID THE ABOVE APPEAR WITHOUT...

Page 296: ...and the control connector J1 from fixed disk drive D see Section 4 Locations 3 Set the Power switch on the expansion unit if attached and system unit to On If an error occurs press the F1 key 4 When...

Page 297: ...not correct the list you still must answer yes before you can continue 7 Press 0 RUN TESTS ONE TIME then press Enter 8 Select 17 FIXED DISK DRIVE S ADAPTER then press Enter The following appears TESTI...

Page 298: ...DISK TEST then Enter 2 When ENTER DRIVE ID CjD appears press C for drive C then press Enter 3 When DO YOU WANT TO INCLUDE FIXED DISK WRITE TESTS ON DRIVE C appears press Y or N then Enter CONTINUE Oct...

Page 299: ...STAND BY o RUN FIXED DISK TEST 1 RUN MEASUREMENTS TEST 2 FORMAT FIXED DISK 9 EXIT FIXED DISK TESTS ENTER THE ACTION DESIRED DID THE ABOVE APPEAR WITHOUT AN ERROR CODE YES Replace drive D See Section...

Page 300: ...from either the system unit or the expansion unit see Section 5 Removal Replacement and Adjustments 3 Place the failing fixed disk drive on the power supply cover so that the logic board faces up and...

Page 301: ...he list is not correct follow the instructions on your screen and correct the list before answering yes If you cannot correct the list you still must answer yes before you can continue 6 When the Syst...

Page 302: ...e fixed disk logic board and connectors These may not be the same as those in your system however certain ones will be the same Jl the control connector has 34 pins J2 the data connector has 22 pins T...

Page 303: ...the PIC instructs you to do so Power Connector Power Connector 4 3 2 1 r r c J OnCe 0 J CJc J 4 F lilt 13 N I b ote oeatlng rl Type 1 Type 2 Test description Fixed Disk Response Meas rement Test 1 Le...

Page 304: ...ignal cable see Section 5 5 Check the continuity of the signal cable Data Control Cable Disk Adapter Control Connector J1 Disk Adapter Data Connector IJ II I Drive CData Cable Connector J2 Locating Ke...

Page 305: ...e drive do it as the last step before replacing the drive After you format the drive you may reload the data from your backup diskette 1 Set the Power switch on the system unit and expansion unit if a...

Page 306: ...u still must answer yes before you can continue 8 When the System Checkout menu appears press 0 RUN TEST ONE TIME then Enter 9 Select 17 FIXED DISK DRIVE S ADAPTER then press Enter The following appea...

Page 307: ...hen Enter 4 When formatting is complete go to page 3 1700 1 and do the fixed disk diagnostic tests Then return to this page and answer the question below DID THE ERROR REMAIN AFTER FORMATTING NO The p...

Page 308: ...n expansion unit the expansion unit could be the cause of your problem IS THE FIXED DISK INSTALLED IN AN EXPANSION UNIT NO Replace the fixed disk drive adapter See Section 5 Removal Replacement and Ad...

Page 309: ...work station Power switches to Off 2 Remove the covers from both the system unit and expansion unit 3 Remove the fixed disk adapter from the expansion unit without removing the signal cable from the...

Page 310: ...he system unit to make room for the fixed disk adapter 7 Carefully install the fixed disk adapter with its cables intact into slot one of the system unit You should now have the fixed disk still insta...

Page 311: ...n the fixed disk diagnostics see page 3 1700 1 then return to this page and answer the question below DID THE TEST FINISH WITHOUT AN ERROR NO Replace the fixed disk drive adapter See Section 5 Removal...

Page 312: ...move the expansion unit signal cable from both units 3 Check the signal cable continuity IS THE CONTINUITY GOOD NO Replace the signal cable YES Replace the receiver card in the expansion unit See Sect...

Page 313: ...and review Start 3 Select LOG UTILITIES in the System Checkout menu start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the system thoroughly and identify the sympto...

Page 314: ...Notes October 1984 3 1700 27...

Page 315: ......

Page 316: ...iling Check that all cable connectors are seated correctly 1 Set the Power switch on the system unit and expansion unit to Off 2 Insert your Diagnostics diskette in drive A 3 Set the Power switch on t...

Page 317: ...screen and correct the list before answering yes If you cannot correct the list you still must answer yes before you can continue 9 Press 0 RUN TESTS ONE TIME then Enter 10 Select 18 EXPANSION OPTION...

Page 318: ...o to page 3 1800 4 1815 Go to page 3 1800 4 1816 Go to page 3 1800 4 1817 Go to page 3 1800 4 1818 Go to page 3 1800 4 1819 Go to page 3 1800 16 1820 Go to page 3 1800 6 1821 Go to page 3 1800 6 Note...

Page 319: ...unit to Off 2 Disconnect the expansion cable at the system unit 3 Make sure the Diagnostics diskette is inserted 4 Set the Power switch on the system unit to On 5 If an 1801 error code appears press P...

Page 320: ...ect follow the instructions on your screen and correct the list for the system unit before answering yes If you cannot correct the list you still must answer yes before you can continue 9 Press 0 RUN...

Page 321: ...d it in an earlier step 3 Remove all option adapters from the expansion unit except the receiver card 4 Make sure the Diagnostics diskette is inserted 5 Set the Power switch on the expansion unit to O...

Page 322: ...list is not correct follow the instructions on your screen and correct the list before answering yes If you cannot correct the list you still must answer yes before you can continue 11 Press 0 RUN TE...

Page 323: ...le 2 Check the expansion board power connector for the voltages listed in the table Voltlge Connectors MinVdc MI Vdc Leld Lead 2 4 5 2 5 1 4 8 5 2 5 10 Power Supply ARE THE VOLTAGES WITHIN THE SPECIFI...

Page 324: ...fixed disk drive on the right 3 Set the Power switch on the expansion unit to On 4 Set the Power switch on the system unit to On Power Connector Type 1 Type 2 DID THE SYMPTOM REMAIN NO Replace the fix...

Page 325: ...f 2 Disconnect the power connector from the left fixed disk drive 3 Set the Power switch on the expansion unit to On 4 Set the Power switch on the system unit to On Power Connector DID THE SYMPTOM REM...

Page 326: ...ion board power connector for the voltages listed in the table Yah COIIHCtOrs illVIIe Vdc Lud Lud 4 5 5 4 9 6 11 5 12 6 7 3 10 8 12 9 4 8 Connectors Power Supply ARE THE VOLTAGES WITHIN THE SPECIFIED...

Page 327: ...voltages should be the same on both fixed disk drive connectors Fixed Disk Drive Power Connector Min Vdc MaxVdc Lead Lead 4 8 5 2 2 4 11 5 12 6 3 1 Power Connector Type 1 Type 2 ARE THE VOLTAGES WITHI...

Page 328: ...on the system unit and expansion unit to Off 2 Set your Multimeter to the Ohms xl scale 3 Remove all option adapters including the receiver card from the expansion slots in the expansion unit CONTINUE...

Page 329: ...ce 5 3 50 ohms 6 7 4 9 50 50 ohms ohms 8 8 8 10 11 12 50 50 50 ohms ohms ohms Connectors Top View Power Supply ARE ANY OF THE RESISTANCE MEASUREMENTS BELOW THE MINIMUM SHOWN IN THE TABLE NO Replace th...

Page 330: ...he system unit and expansion unit to Off 2 Install one option adapter 3 Make sure the Diagnostics diskette is inserted 4 Set the Power switch on the expansion unit to On 5 Set the Power switch on the...

Page 331: ...yes If you cannot correct the list you still must answer yes before you can continue 10 Press 0 RUN TESTS ONE TIME then Enter 11 Select 18 EXPANSION OPTION then press Enter TESTING EXPANSION OPTION X...

Page 332: ...n Section 6 TESTING EXPANSION OPTION X XX XX ERROR EXPANSION OPTION 1819 S Data XXXX XX XX SW X PRESS ENTER TO CONTINUE ARE THE EXTENDER CARD SWITCHES SET TO CORRECTLY REFLECT THE MEMORY SEGMENT NO Se...

Page 333: ...Check the continuity of the expansion unit signal cable IS THE CABLE CHECK OK YES Replace the receiver card in the expansion unit NO Replace the cable 3 1800 18 Maintenance Information...

Page 334: ...3 5 1 and review Start 3 Select LOG UTILITIES in the System Checkout menu start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the system thoroughly and identify the s...

Page 335: ......

Page 336: ...iskette 1 Set the system unit On Off switch to Off 2 Insert the diagnostic diskette into drive A and push the load lever down 3 If you have an Expansion Unit set its Power switch to On 4 Set the Power...

Page 337: ...w the instructions on the screen to correct the list before answering yes 4 Press 0 RUN TESTS ONE TIME then press Enter 5 Select 28 DISTRIBUTED FUNCTION COMMUNICATIONS ADAPTER then press Enter TESTING...

Page 338: ...ing error message TESTING DISTRIBUTED FUNCTION COMMUNICATIONS ADAPTER ERROR NOT CONNECTED TO CONTROL UNIT REPEAT CONNECTION TEST YIN DID THE MESSAGE SHOWN ABOVE APPEAR ON YOUR SCREEN NO Go to page 3 2...

Page 339: ...r from your control unit IS A COAXIAL CABLE ATTACHED TO YOUR IBM 3270 PERSONAL COMPUTER NO You cannot continue with this test unless you have a coaxial cable attached to your IBM 3270 Personal Compute...

Page 340: ...al storm 1 Disconnect and reconnect the coaxial cable to your system unit 2 Press Y then Enter DID CONNECTED TO CONTROL UNIT APPEAR ON YOUR SCREEN YES Your problem is resolved it was most likely a poo...

Page 341: ...BM 3270 Personal Computers attached to your control unit ARE OTHER IBM 3270 PERSONAL COMPUTERS ATTACHED TO THE SAME CONTROL UNIT AS YOURS NO Go to Coaxial Cable Resistance Check on page 3 2800 10 YES...

Page 342: ...ARE OTHER IBM 3270 PERSONAL COMPUTERS FUNCTIONING PROPERLY NO Follow your local procedures to report a problem external to the IBM 3270 Personal Computer YES October 1984 3 2800 7...

Page 343: ...tioning units and connect it to your system unit 3 Press Y then Enter to repeat the connection test DID CONNECTED TO CONTROL UNIT APPEAR ON THE SCREEN NO Reconnect both your system unit and the other...

Page 344: ...ction Communications Adapter diagnostic if it is still loaded just press Y to rerun it DID CONNECTED TO CONTROL UNIT APPEAR ON THE SCREEN NO Follow your procedures to report a problem external to your...

Page 345: ...the coaxial cable during an electrical storm 2 Disconnect the coaxial cable from the system unit 3 Check the coaxial cable connector at the system unit for the appropriate resistance as shown in the d...

Page 346: ...Adjustments YES Follow your local procedures for reporting problems external to your 3270 Personal Computer If you have followed these procedures and still have an unsolved problem You should replace...

Page 347: ...lect UTILITIES in the diagnostic menu Start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the machine thoroughly and identify the failing symptom When you have identi...

Page 348: ...Printer 2900 For detailed service information on the IBM 5182 Color Printer refer to the IBM Hardware Maintenance and Service for the Personal Computer Color Printer part number 1502383 October 1984...

Page 349: ...Notes 3 2900 2 Maintenance Information...

Page 350: ...e Diagnostics diskette is already loaded exit to the main menu shown below and begin on the next page Otherwise follow the steps below to load the Diagnostics diskette 1 Set the system unit Power swit...

Page 351: ...LIST CORRECT then press Enter If the list is incorrect follow the instructions on the screen to correct the list before answering yes 4 Press 0 RUN TESTS ONE TIME then press Enter 5 Press 3 then 2 DI...

Page 352: ...d by either the display adapter the programmed symbols adapter the all points addressable adapter or a top card connector DO YOU HAVE THE PROGRAMMED SYMBOLS ADAPTER INSTALLED NO Go to page 3 3200 5 YE...

Page 353: ...Remove the programmed symbols adapter See Section 5 Removal Replacement and Adjustments IS THE PROBLEM STILL PRESENT NO Go to page 3 3200 7 YES 3 3200 4 Maintenance Information...

Page 354: ...Reinstall the programmed symbols adapter DO YOU HAVE THE ALL POINTS ADDRESSABLE ADAPTER INSTALLED NO Go to page 3 3200 8 YES October 1984 3 3200 5...

Page 355: ...e Section 5 Removal Replacement and Adjustments IS THE PROBLEM STILL PRESENT YES Reinstall the all points addressable adapter and replace the display adapter See Section 5 Removal Replacement and Adju...

Page 356: ...Bottom View IS THE CONTINUITY CORRECT NO Replace the top card connector See Section 5 Removal Replacement and Adjustments YES Replace the appropriate adapter all points addressable or programmed symb...

Page 357: ...ollow depends on whether you have an IBM Monochrome Display or an IBM Color Display DO YOU HAVE AN IBM MONOCHROME DISPLAY NO Go to Color Display on page 3 3200 32 YES Go to the next page 3 3200 8 Main...

Page 358: ...splay DID THE DISPLAY ATTRIBUTES SCREEN APPEAR Note Do not verify that the screen is correct at this time NO Replace the display adapter See Section 5 Removal Replacement and Adjustments YES October 1...

Page 359: ...rightness and contrast controls until the intensified line is brighter than the other lines WERE YOU ABLE TO ADJUST THE INTENSIFIED LINE NO Go to Voltage Test on page 3 25 18 YES 3 3200 10 Maintenance...

Page 360: ...match its description for example THIS LINE IS BLINKING should blink DO THE LINES MATCH THEIR DESCRIPTIONS NO Replace the display adapter See Section 5 Removal Replacement and Adjustments YES October...

Page 361: ...display adapter serviced PC CHARACTER SET Q t aolltrll 4 II tt 1 1 1 1 It e1234Sfl781J 7 iABCDEFGHIJKLMMOPqRSTUVIIXVZ J _ bcdef hIJkl 110pIj r tllvW lI IZ W A Cue Ka4 ei ttAAt a joQQYHU f 16U A tLr I...

Page 362: ...Press Y then Enter DID THE ABOVE APPEAR ON YOUR SCREEN NO Press N then Enter to end this test YES Replace the display adapter See Section 5 Removal Replacement and Adjustments October 1984 3 3200 13...

Page 363: ...0 P r II tI I It l Y l If Id t j i ABCD FGH JKLMIH1PQRSTIJVWXvz SAt i J _ f II _ II ant I A I mil r I 1 J aIf Ii iii PS t 4 l l 1I I a D I a I u 0 I IS THE SCREEN CORRECT YIN DID THE ABOVE APPEAR ON Y...

Page 364: ...Press Y then Enter DID THE ABOVE APPEAR ON YOUR SCREEN NO Press N then Enter to end this test YES Replace the display adapter See Section 5 Removal Replacement and Adjustments October 1984 3 3200 15...

Page 365: ...See below WERE YOU DIRECTED TO THIS SECTION FROM THE KEYBOARD TIMER ADAPTER TEST YES Replace the keyboard NO 3 3200 16 Maintenance Information...

Page 366: ...Installed Devices Chart on the 3270 Personal Computer Components Record in the Guide to Operations IS THE PROGRAMMED SYMBOLS ADAPTER INSTALLED IN YOUR MACHINE NO Go to page 3 3200 24 YES October 1984...

Page 367: ...YOUR SCREEN MATCH THE SCREEN ABOVE NO If you h ve an error message go to page 3 3200 20 If there is no error message reload the diagnostic and check to see if the programmed symbols adapter appears in...

Page 368: ...Wait approximately four minutes for the programmed symbols memory test to complete IS THERE A 32XX ERROR MESSAGE NO Go to page 3 3200 23 YES October 1984 3 3200 19...

Page 369: ...eplace the programmed symbols adapter YES See Section 5 Removal Replacement and Adjustments Note The diagnostic detects errors in all font memory Replace the adapter only if the error affects your app...

Page 370: ...Check the top card connectors for proper seating Top Card Connectors WERE THE TOP CARD CONNECTORS SEATED PROPERLY NO Reseat the connectors and rerun the diagnostics 3 3200 1 YES October 1984 3 3200 21...

Page 371: ...S THE CONTINUITY OF THE TOP CARD CONNECTORS GOOD NO Replace the top card connector s YES Replace the display adapter See Section 5 Removal Replacement and Adjustments If the problem persists replace t...

Page 372: ...re should be no holes in the highlighted area DOES YOUR SCREEN MATCH THE SCREEN ABOVE NO Replace the programmed symbols adapter YES See Section 5 Removal Replacement and Adjustments Note The diagnosti...

Page 373: ...Press Y then Enter IS THE ALL POINTS ADDRESSABLE ADAPTER INSTALLED IN YOUR MACHINE NO Go to page 3 3200 56 YES 3 3200 24 Maintenance Information...

Page 374: ...OES YOUR SCREEN MATCH THE SCREEN ABOVE NO If you have an error message go to page 3 3200 27 If there is no error message reload the diagnostics and check that the programmed symbols adapter appears in...

Page 375: ...proximately three minutes for the all points addressable adapter tests to run Your screen displays a stippled pattern while this test runs DID YOU RECEIVE A 32XX ERROR NO Go to page 3 3200 31 YES 3 32...

Page 376: ...Replace the all points addressable adapter YES See Section 5 Removal Replacement and Adjustments Note The diagnostic detects errors in all display memory Replace the adapter only if the error affects...

Page 377: ...Check the top card connector for proper seating nn nnnnn WAS THE TOP CARD CONNECTOR SEATED PROPERLY NO Reseat the connectors and rerun the diagnostics 3 3200 1 YES 3 3200 28 Maintenance Information...

Page 378: ...d View Bottom View WAS THE CONTINUITY OF THE TOP CARD CONNECTOR GOOD NO Replace the top card connector s YES Replace the display adapter See Section 5 Removal Replacement and Adjustments If the proble...

Page 379: ...highlighted portions are solid black DOES YOUR SCREEN MATCH THE SCREEN ABOVE NO Replace the all points addressable adapter YES See Section 5 Removal Replacement and Adjustments Note The diagnostic det...

Page 380: ...hlighted portions are solid black DOES YOUR SCREEN MATCH THE ONE ABOVE NO Replace the all points addressable adapter See Section 5 Removal Replacement and Adjustments Note The diagnostic detects error...

Page 381: ...IBUTES SCREEN APPEAR Note Do not verify that the screen is correct at this time NO Press N then Enter to end this test YES Replace the display adapter See Section 5 Removal Replacement and Adjustments...

Page 382: ...the brightness control and verify that the brightness of the screen changes DID THE BRIGHTNESS CHANGE NO Replace the Color Display See Section 5 Removal Replacement and Adjustments YES October 1984 3...

Page 383: ...Each line should match its description for example THIS LINE IS BLINKING should blink DO THE LINES MATCH THEIR DESCRIPTIONS NO Go to Voltage Check on page 3 25 18 YES 3 3200 34 Maintenance Information...

Page 384: ...one below have the display adapter serviced PC CHARACTER SET Q aollt n a t lf 1 I zl e ltZl45 7a i IAICJEFCHIJKl OPqISTUUWICVZI _ lbcdef hIJkl llop r tlvIIXYZ Cui t l f I A t 6 II aI Y U f r6ull L I I...

Page 385: ...XYII I db tip gh i i IM p r t IIVW 18123456789 lIABC DEF GHI JKl NOPQII IlIVWXYII J db ilpf gh i i IMII I r t IIVW 18123456189 lIABCDHGHI JKl NOPQII IIIVWXYIl I db tlpf gh i i 1M IJP r t IIVW Y 1 1812...

Page 386: ...ef h J k II 0 P r I t II II Y z I 7 ABCDEFGH I JICL OP RSTU W VZ 1 _ tIC aI I I I r J I I I I p s t L D J II t a _ I 0 IS THE SCREEN CORRECT YIN DID THE ABOVE APPEAR ON YOUR SCREEN NO Press N then Ent...

Page 387: ...ot ou ou ouilAI IOUAOVAlIl A OUdOU O lU i ou j au uti nAIl OUAOVAH I 55i i A OIl iiy OIlIlL ou i iou i AIIOUAOVAlIl A 4P Ou Oy III1U L ou i jOi II itAI IOUAOVA I VA_ pi oti oy i Lo J1I ii i oi oli ilA...

Page 388: ...Press Y then Enter WERE YOU DIRECTED TO THIS SECTION FROM THE KEYBOARD TIMER ADAPTER TEST YES Replace the keyboard See Section 5 Removal Replacement and Adjustments NO October 1984 3 3200 39...

Page 389: ...k the Installed Devices Chart on the 3270 Personal Computer Components Record in the Guide to Operations IS THE PROGRAMMED SYMBOLS ADAPTER INSTALLED IN YOUR MACHINE NO Go to page 3 3200 48 YES 3 3200...

Page 390: ...DOES YOUR SCREEN MATCH THE SCREEN ABOVE NO If you have an error message go to page 3 3200 43 If there is no error message reload the diagnostic and check that the programmed symbols adapter appears in...

Page 391: ...Wait approximately four minutes for the programmed symbols memory test to complete IS THERE A 32XX ERROR MESSAGE NO Go to page 3 3200 46 YES 3 3200 42 Maintenance Information...

Page 392: ...8 NO Replace the programmed symbols adapter YES See Section 5 Removal Replacement and Adjustments Note The diagnostic detects errors in all font memory Replace the adapter only if the error affects yo...

Page 393: ...Check the top card connectors for proper seating WERE THE TOP CARD CONNECTORS SEATED PROPERLY NO Reseat the connectors and rerun the diagnostics 3 3200 1 YES 3 3200 44 Maintenance Information...

Page 394: ...View 0 WAS THE CONTINUITY OF THE TOP CARD CONNECTORS GOOD NO Replace the top card connector s YES Replace the display adapter See Section 5 Removal Replacement and Adjustments If the problem persists...

Page 395: ...uld be no holes in the highlighted area DOES YOUR SCREEN MATCH THE SCREEN ABOVE NO Replace the programmed symbols adapter YES See Section 5 Removal Replacement and Adjustments Note The diagnostic dete...

Page 396: ...d white there should be no holes in the highlighted area DOES YOUR SCREEN MATCH THE SCREEN ABOVE NO YES Replace the programmed symbols adapter See Section 5 Removal Replacement and Adjustments Note Th...

Page 397: ...Press Y then Enter IS THE ALL POINTS ADDRESSABLE ADAPTER INSTALLED IN YOUR MACHINE NO Go to page 3 3200 56 YES 3 3200 48 Maintenance Information...

Page 398: ...OES YOUR SCREEN MATCH THE SCREEN ABOVE NO If you have an error message go to page 3 3200 51 If there is no error message reload the diagnostics and check that the programmed symbols adapter appears in...

Page 399: ...proximately three minutes for the all points addressable adapter tests to run Your screen displays a stippled pattern while this test runs DID YOU RECEIVE A 32XX ERROR NO Go to page 3 3200 54 YES 3 32...

Page 400: ...Replace the all points addressable adapter YES See Section 5 Removal Replacement and Adjustments Note The diagnostic detects errors in all display memory Replace the adapter only if the error affects...

Page 401: ...Check the top card connector for proper seating nn nnnnn WAS THE TOP CARD CONNECTOR SEATED PROPERLY NO Reseat the connectors and rerun the diagnostics 3 3200 1 YES 3 3200 52 Maintenance Information...

Page 402: ...m View I I I I I I 0 WAS THE CONTINUITY OF THE TOP CARD CONNECTOR GOOD NO Replace the top card connector s YES Replace the display adapter See Section 5 Removal Replacement and Adjustments If the prob...

Page 403: ...1111111111111111111 11111111111111111111 1111111111111111111 I11111III111I111111 II1II1IIII11II111111 1111111111111111111 DOES YOUR SCREEN MATCH THE SCREEN ABOVE NO Replace the all points addressable...

Page 404: ...ighted portions are solid black I DOES YOUR SCREEN MATCH THE SCREEN ABOVE NO Replace the all points addressable adapter See Section 5 Removal Replacement and Adjustments Note The diagnostic detects er...

Page 405: ...elect LOG UTILITIES in the diagnostic menu Start an error log and select RUN TESTS MULTIPLE TIMES This will allow you to operate the machine thoroughly to identify the failure symptom When you have id...

Page 406: ...cord from the power outlet 3 Remove the keyboard adapter cable from the system unit 0301 and 0302 errors may appear CAUTION Do not connect or disconnect a coaxial cable during an electrical storm 4 Re...

Page 407: ...t power cord into a properly grounded power outlet 2 Set the Power switch on the system unit and expansion unit if attached to On DID THE FAILURE SYMPTOM REMAIN YES Go to page 3 9999 4 NO 3 9999 2 Mai...

Page 408: ...on the system unit and expansion unit if attached to Off 2 Reconnect one device to the system unit 3 Set the Power switch es to On and see if the failure symptom has returned 4 Continue to reconnect...

Page 409: ...on Communications Adapter 2801 error Diskette Adapter 601 error Display Adapter one long and two short beeps Keyboard Timer Adapter no display two beeps Note The above error codes result from removing...

Page 410: ...See below DID THE FAILURE SYMPTOM REMAIN NO Replace the last adapter that you removed YES See Section 5 Removal Replacement and Adjustments October 1984 3 9999 5...

Page 411: ...You may have a failing coprocessor IS AN IBM MATH COPROCESSOR INSTALLED IN THE SYSTEM UNIT NO Go to page 3 9999 8 YES 3 9999 6 Maintenance Information...

Page 412: ...rom the system unit See Section 5 Removal Replacement and Adjustments 3 Set the Power switch on the system unit and expansion unit if attached to On DID THE FAILURE SYMPTOM REMAIN NO Replace the IBM M...

Page 413: ...e Power switch on the system unit and expansion unit if attached to Off 2 Remove the power connector from diskette drive A Rear View CONTINUE 3 9999 8 Maintenance Information Top View Diskette Drive A...

Page 414: ...Power switch on the system unit and expansion unit if attached to On DID THE FAILURE SYMPTOM REMAIN NO Replace the diskette drive See Section 5 Removal Replacement and Adjustments YES October 1984 3...

Page 415: ...unit and expansion unit if attached to Off 2 Remove the power connector from the right drive of the system unit Leave the left drive disconnected Power Connector Power Connector Type 1 Type 2 CONTINU...

Page 416: ...er switch on the system unit and expansion unit if attached to On DID THE FAILURE SYMPTOM REMAIN NO Replace the right drive assembly See Section 5 Removal Replacement and Adjustments YES October 1984...

Page 417: ...locate the system board power connectors Connect the common lead to pin 5 and connect the voltage lead to pin 1 4 Set the Power switch on the system unit and expansion unit if attached to On 5 Check...

Page 418: ...en the system board power connectors listed below Voltage Connectors Min Vdc Max Vdc Lead 4 8 5 2 5 4 5 5 4 9 11 5 12 6 7 10 8 12 9 4 ARE THE VOLTAGES CORRECT Lead 10 6 3 8 NO Replace the power supply...

Page 419: ...system unit and expansion unit if attached to Off 2 Reconnect the diskette drive A power supply connector 3 Set the Power switch on the system unit and expansion unit if attached to On CONTINUE 3 999...

Page 420: ...Diskette Drive Power Connector Min Vdc Max Vdc Lead Lead 4 8 5 2 2 4 11 5 12 6 3 1 Type 1 Diskette Drive Type 2 Diskette Drive ARE THE VOLTAGES CORRECT NO Replace the power supply See Section 5 Remov...

Page 421: ...See below IS A DRIVE INSTALLED IN THE RIGHT SIDE OF THE SYSTEM UNIT NO Go to page 3 9999 19 YES 3 9999 16 Maintenance Information...

Page 422: ...ached to Off 2 Reconnect the right drive power supply connector 3 Set the Power switch on the system unit and expansion unit if attached to On IS THE RIGHT DRIVE A DISKETTE DRIVE NO The right drive is...

Page 423: ...the pins shown below Right Drive Power Connector Min Vdc MaxVdc Lead Lead 4 8 5 2 2 4 11 5 12 6 3 1 Type 2 Diskette Drive ARE THE VOLTAGES CORRECT NO Replace the power supply See Section 5 Removal Rep...

Page 424: ...t if you have no beep 1 Set the Power switch on the system unit and expansion unit if attached to Off 2 Set your meter to the Ohms xl scale 3 Remove the speaker connector from the system board CONTINU...

Page 425: ...aker IS THE CONTINUITY GOOD NO Replace the speaker See Section 5 Removal Replacement and Adjustments YES Replace the keyboard timer adapter See Section 5 Removal Replacement and Adjustments If this do...

Page 426: ...system unit and expansion unit if attached to Off 2 Set your meter to the Ohms xl scale 3 Remove the system board power connectors from the system board 4 Remove all adapters from the system board CO...

Page 427: ...t Control 0 6 4 9 8 10 8 11 8 12 Pins Top View Power Supply ARE ANY OF THE RESISTANCE MEASUREMENTS LESS THAN THEIR CORRECT MINIMUM VALUE NO Replace your power supply See Section 5 Removal Replacement...

Page 428: ...board Italian Keyboard Spanish Keyboard U K English Keyboard U S English Keyboard Type 1 Keyboard Timer Type 2 Keyboard Timer Keyboard Adapter Cable Diskette Drive 600 Diskette Drive Adapter Type 1 Di...

Page 429: ...Extender Card Receiver Card Distributed Function Communications Adapter 2800 Type 1 Type 2 Display 3200 IBM 5151 Monochrome Display IBM 5272 Color Display Display Adapter All Points Addressable Adapte...

Page 430: ...oints Addressable Adapter Display Adapter Distributed Function Communications Adapter Math Coprocessor Programmed Symbols Adapter 5 1 4 Diskette Drive Adapter 64 256KB Memory Expansion Adapter 128KB M...

Page 431: ...Notes 4 10 2 Maintenance Information...

Page 432: ...m unit expansion unit and graphics printer System Unit and Expansion Unit Power Supply I r Fan 1 0 A1 Circuit0 _ Card Power Supply I7A Screw Connection GroundPost Lag8mI Primary Ground 1 Ground Wire N...

Page 433: ...152 Graphics Printer 220 240 Vac Transformer Chassis 1101120 Vac I r AC POWlr Cord IBM SO CPS Printer o Screw Connection L d i Primary Ground 2ZZZ2 Ground Lead Chassis Ground 4 20 2 Maintenance Inform...

Page 434: ...Systetn Unit 100 Section 100 illustrates the System bOard and the standard models of the n M 3270 pC october 1984 4 100 1...

Page 435: ...System Board System Unit Color Keyboard 110 Expansion Trimmer Slots Capacitor Memory With Parity Checking Speaker Output 4 100 2 Maintenance Information Math Coprocessor...

Page 436: ...J Card Slots 87654321 CD Distributed Function Communications Adapter e Power output for the IBM Monochrome Display o Power input for the system unit Cit Keyboard connectors o External Diskette Drive C...

Page 437: ...r 128KB Memory Printer Adapter e 5 Diskette Drive Adapter 64 256KB Memory Expansion Adapter G Display Adapter o Distributed Function Communications Adapter CD Power output for the IBM Monochrome Displ...

Page 438: ...ive Adapter e Fixed Disk Adapter 64 256KB Memory Expansion Adapter o Display Adapter e Distributed Function Communications Adapter o Power output for the IBM Monochrome Display o Power input for the s...

Page 439: ...Notes 4 100 6 Maintenance Information...

Page 440: ...Memory 200 The memory expansion adapters used in the IBM 3270 Personal Computer are depicted below and on the following pages 64 256K Memory Expansion Option October 1984 4 200 1...

Page 441: ...128KB Memory Printer Adapter 256KB Memory Expansion Card 4 200 2 Maintenance Information...

Page 442: ...n contains location information for all the 3270 Personal Computer Keyboards and keyboard related items Keyboard Top and Bottom These switches perform no function Keyboard Top View Keyboard Bottom Vie...

Page 443: ......

Page 444: ......

Page 445: ......

Page 446: ...SIS Z7 s Ie 1B IB FPl3 FPl FPHI FPle FPl7 FPIe FPISI FP20 FP2t FP22 FP23 FP2 J AGIO _ _ T q IIInc _0 II C Jlf J a 1EJl fJ 11 J18 7 SIf J 20fJ21 FPl J II D A II...

Page 447: ...d...

Page 448: ...rn...

Page 449: ...Type 1 Keyboard Timer Type 2 Keyboard Timer 4 300 8 Maintenance Information Port Keyboard Connector...

Page 450: ...Keyboard Adapter Cable October 1984 4 300 9...

Page 451: ...Notes 4 300 10 Maintenance Information...

Page 452: ...Diskette Drive 600 Subsection 600 contains location information for diskette drives Diskette Drive Adapter October 19844 600 1...

Page 453: ...Type 1 Diskette Drive Assembly Drive Motor Write Protect Switch Servo Board LED Assembly 4 600 2 Maintenance Information Right Diskette Guide...

Page 454: ...Power Connector 33 J 2 J 1 1Through 33 On Bottom Of Logic Board 4 15 14 1 4 14 1 4 1 E1111111111111 11111111 11111111 L JL JL J L JL J L J P13 P12 P11 P10 P9 P8 T 3 TP6 T 9 TP8 TP3 TP1 TP10 1P4 TP2 TP...

Page 455: ...J 2 Pins 1thr ough 40 Signal Cable J 1 Connector Even numbered pins 34 through 2top of the board odd Numbers 33 through 1bottom of the board Shield Plate Head Connector J 4 Pins 1through 10 Cone Lever...

Page 456: ...Type 2 Printed Circuit Board J 2 01 J 3 Speed Adjustment Resistor 01 04 _ I P I P PI I __ _ J 1 Terminating Resistor t 1 U6 7438 RES 0 MOD SKT U7 16 PI 01 10 J 4 October 1984 4 600 5...

Page 457: ...Notes 4 600 6 Maintenance Information...

Page 458: ...ter Adapter 900 Two possible printer adapters available for the 3270 Personal Computer are presented in the following Printer Adapter 128KB Memory Printer Adapter Memory DIP Switches October 1984 4 90...

Page 459: ...Notes 4 900 2 Maintenance Information...

Page 460: ...apter 1100 Module Position for Primary Asynchronous Adapter Pluggable Module Module Position for Current Loop Interface Module Position for Alternate Asynchronous Adapter Module Position for RS232 C I...

Page 461: ...Notes 4 1100 2 Maintenance Information...

Page 462: ...IBM 5152 Graphics Printer 1400 This section contains the locations information for the IBM 5152 Graphics Printer shown below October 1984 4 1400 1...

Page 463: ...Internal View Power Transformer Primary Cable 114 Fuse Heat Sink Power Transistor Fuse Filter Card Right View CN2 Print Mechanism Assembly Circuit Card 4 1400 2 Maintenance Information...

Page 464: ...Print Mechanism Assembly Front View Print head gap Adjust ent Lever Carriage Shafts October 1984 4 1400 3...

Page 465: ...Printer Connectors CN 26 1 25 16 15 8 7 2 1 eN6 Printer Rear View 4 1400 4 Maintenance Information...

Page 466: ...it Connector 14 25 13 Printer Signal Cable Printer S st m Unit Connector Connector Pin Pin lum_ lumber 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 32 15 31 16 36 17 33 18 19 19 2...

Page 467: ...Printer Top View Printer Top View Pin lame Online Light Key No Paper Light Ready Light Online Switch Forms Feed Line Feed Ground 12 Vdc Alarm Control Panel Connector 4 1400 6 Maintenance Information...

Page 468: ...Print Head and Cable 3 7 1 5 COMMON Print Head and Cable Rear View October 1984 4 1400 7...

Page 469: ...Left Margin Sensor Front View Left Margin Sensor Front View 4 1400 8 Maintenance Information...

Page 470: ...sks are depicted below along with the fixed disk adapter card Type 1 and 2 Fixed Disk Drives Type 2 Type 1 Power Connector Data Connector Control Connector J1 J2 or J3 Note The top oftype 1 drives may...

Page 471: ...Fixed Disk Adapter 4 1700 2 Maintenance Information...

Page 472: ...ansion Unit 1800 This section depicts the adapters for the expansion unit the expansion unit and the expansion board Rear View Power Supply Vent Option Expansion Slots System Power October 1984 4 1800...

Page 473: ...oard Expansion Board Expansion Unit Expansion Slots I Receiver Card Slot for Fixed Disk Drive D t t Fixed Disk Drive C J1 J2 13 J4J UL1 SI l LI6 L17 J8 0 o uo LlOr_Expansion Board Power Connectors 0 O...

Page 474: ...Extender Card Extender I Card Switches Receiver Card October 1984 4 18 3...

Page 475: ...Notes 4 1800 4 Maintenance Information...

Page 476: ...Distributed Function Communications Adapter 2800 Type 1 Type 2 October 1984 4 2800 1...

Page 477: ...Notes 4 2800 2 Maintenance Information...

Page 478: ...play adapter all points addressable adapter programmed symbols adapter and displays IBM 5151 Monochrome Display r IBM Monochrome Display IBM 5272 Color Display UIIIIIIIIIIIIIIIIII UIIIIIIIIIIIIIIIIII...

Page 479: ...Display Adapter All Points Addressable Adapter 4 3200 2 Maintenance Information...

Page 480: ...Progralluned Symbols Adapter C 0 1 oLEO October 1984 4 3200 3...

Page 481: ...Notes 4 3200 4 Maintenance Information...

Page 482: ...emoval 5 100 14 8088 Processor Replacement 5 100 16 Safety Protector Replacement 5 100 18 Memory 200 5 200 1 Memory Module Removal System Board 5 200 2 Memory Module Replacement System Board 5 200 5 M...

Page 483: ...1 Diskette Drive A Removal 5 602 2 Diskette Drive A Replacement 5 602 4 Diskette Drive B Removal 5 602 6 Diskette Drive B Replacement 5 602 8 Diskette Drive Logic Board Removal 5 602 10 Diskette Driv...

Page 484: ...Color Display Removal IBM 5272 Color Display Replacement All Points Addressable Adapter Removal All Points Addressable Adapter Replacement Display Adapter Removal Display Adapter Replacement Programme...

Page 485: ...Notes 5 4 Maintenance Information...

Page 486: ...page When a step is explained fully by another procedure you can refer back to that procedure by using the page number in parenthesis For example 1 Set the Power switch to Off 2 Remove the cover of th...

Page 487: ...Notes 5 10 2 Maintenance Information...

Page 488: ...600 2 Memory Printer Replacement 256KB Memory 5 600 2 Expansion Card Removal 256KB Memory 5 600 2 Expansion Card Replacement Diskette Drive 5 600 2 Adapter Removal Diskette Drive 5 600 3 Adapter Repla...

Page 489: ...17 Replacement Programmed Symbols 5 3200 20 Adapter Removal Programmed Symbols 5 3200 10 Adapter Replacement For all other adapters not listed above use General Adapter Removal on the next page and G...

Page 490: ...n unit if attached to Off 2 Unplug the power cords of the system unit and expansion unit from the outlet and disconnect all cables from the rear of the units 3 Remove the cover of the system or expans...

Page 491: ...5 Grasp the option adapter by the top corners and lift straight up 5 20 4 Maintenance Information...

Page 492: ...nsert the option adapter into an expansion slot Press down firmly on the adapter to seat the connector 2 Install the option adapter mounting screw 3 Install the cover of the system unit or expansion u...

Page 493: ...Notes 5 20 6 Maintenance Information...

Page 494: ...System Unit 100 October 1984 5 100 1...

Page 495: ...and disconnect all cables from the rear of the unit 2 Move all external options away from the work surface 3 Remove the cover mounting screws and slide the cover toward the front until it clears the...

Page 496: ...1 Slide the cover toward the rear of the unit 2 Align the mounting screws with the threaded tabs and tighten 3 Reconnect the cables to the system unit These screws may not be present on your unit Oct...

Page 497: ...outlet then unplug the cord from the rear of the system expansion unit 3 Remove the cover of the system expansion unit 5 100 2 4 Disconnect the system board expansion board power connectors by graspi...

Page 498: ...rive and diskette drive see Section 4 Locations 6 Remove the four power supply mounting screws Power Supply Mounting Screws Rear View 7 Hold the system unit by the front panel and tilt up until the sy...

Page 499: ...terclockwise with a flat blade screwdriver or 5 mm 3 16 in nutdriver o o Fixed Disk Diskette Drive Mounting Plate Bottom View Remove this screw 9 Remove the two mounting screws from the fixed disk dri...

Page 500: ...10 Slide the fixed disk drive assembly to the front approximately 25 mm about 1 0 in 11 Push the power supply forward approximately 13 mm about 0 5 in then lift and remove October 1984 5 100 7...

Page 501: ...rew holes in the power supply with the rear frame 3 Install and tighten the four power supply mounting screws 4 Connect the power connectors to the fixed disk drive and diskette drive 5 Plug in the sy...

Page 502: ...Remove the system unit power cord from the outlet 3 Remove the cover of the system unit 5 100 2 4 Disconnect the speaker leads 5 Remove the speaker mounting screw 6 Remove the speaker DDDDDDD 0000000...

Page 503: ...he outlet 4 Disconnect all cables from the rear of the system unit 5 Remove the cover of the system unit 5 100 2 6 Remove all option adapters 5 20 3 5 600 2 5 1700 16 7 Disconnect the diskette drive s...

Page 504: ...away from the power supply approximately 13 rom about 0 5 in until the standoffs mcan be lifted from the mounting slots II 12 Lift the system board up and out of the system unit o n I u _ tI i Side V...

Page 505: ...System Board Replacement 1 Insert the system board standoffs minto the mounting slots II Side View 5 100 12 Maintenance Information...

Page 506: ...ting screws s 4 Install the speaker connector II 5 Install the Math Coprocessor II if removed 5 700 5 6 Install the option adapters 5 20 5 7 Install the diskette drive signal cable II and system board...

Page 507: ...one hand on the system unit frame while removing the coprocessor 1 Set the Power switch on the system unit and expansion unit if attached to Off 2 Set the Power switches on all attached devices to Off...

Page 508: ...ers installed in slot 7 or 8 5 20 3 7 Look at the figure below and find the 8088 Processor on the system board 8 Using a module puller carefully remove the processor o 0 I IBM Math Coprocessor Connect...

Page 509: ...acing the processor The processor is sensitive to static Maintain personal grounding by keeping one hand on the system unit frame while installing the processor 1 Refer to the figure below then find t...

Page 510: ...press the processor in place Be sure the notch on the processor faces the rear of the system board 3 Install any option adapters that you removed 5 20 5 4 Install the cover of the system unit 5 100 3...

Page 511: ...Safety Protector Replacement 1 Assemble the safety protector as shown in the figure below 2 Insert slot A into slot B then insert slot C into slot D SlotC SlotA Slot 0 5 100 18 Maintenance Information...

Page 512: ...the failing memory component If the failing module is on the system board go to page 5 200 2 and follow the procedure there to remove the failing module s If the failing module is on the 64 256KB Memo...

Page 513: ...devices to Off 3 Unplug the power cord of the system unit and expansion unit if attached from the outlet 4 Disconnect all cables from the rear of the system unit 5 Remove the cover of the system unit...

Page 514: ...module to remove go to PIC 3 200 1 Memory and determine which module is failing System Unit Expansion Slots Keyboard Connector r o 0 00 oC o DOD ODDOODDDDD II I DDDDDDO DD DD 0000000000000000 OOOODDOD...

Page 515: ...8 To separate the module from the connector grasp the module as shown in I I Lift the module in a two step rocking motion Band DJ to avoid bending the pins 5 200 4 Maintenance Information...

Page 516: ...o place Notch tI on the module should be aligned with the notch in the connector 2 Install all option adapters 5 20 5 Use the notes you made in the removal procedure to install the option adapters in...

Page 517: ...rom the rear of the system unit 5 Remove the cover of the system unit 5 100 2 6 Remove the 64 256KB Memory Option Adapter 5 20 3 7 Locate the module to be removed in bank 0 1 2 or 3 If you are not sur...

Page 518: ...8 To separate the module from the connector grasp the module as shown in III Lift the module in a two step rocking motion B and II to avoid bending the pins t t t II October 1984 5 200 7...

Page 519: ...rmly press the module into place The notch tI on the module should be aligned with the notch in the connector 2 Reinstall the 64 256KB Memory Expansion Option 5 20 5 in the slot you removed it from 3...

Page 520: ...and expansion unit if attached to Off 2 Set the Power switches on all attached devices to Off 3 Unplug the power cords of the system unit and expansion unit from the outlet 4 Remove the cover of the s...

Page 521: ...r s by the top and lift up for removal f 9 If you have both adapters put one hand on either side of the adapter card combination and pull to separate them 10 Replace the faulty adapter 5 200 10 Mainte...

Page 522: ...KB Memory Printer Adapter for the total amount of memory installed 2 If you have only the 128KB Memory Printer Adapter go to step 4 3 If you have both adapters hold the the expansion card so that the...

Page 523: ...Hold the adapter s by the top and press it firmly into the vacant slot 6 Install the cover of the system unit 5 100 3 7 Connect all cables to the rear of the system unit 5 200 12 Maintenance Informati...

Page 524: ...Keyboard 300 October 1984 5 300 1...

Page 525: ...tem unit 2 Place the keyboard with the bottom facing up and remove the two mounting sc rews 3 Turn the metal sleeve of the keyboard cable counterclockwise until the cable is loose Keyboard Cable Keybo...

Page 526: ...Keyboard Replacement 1 Connect the cable from the keyboard to the keyboard adapter cable 2 Secure the connection between the two cables Keyboard Cable Keyboard Adapter Cable October 1984 5 300 3...

Page 527: ...ble Removal 1 Set the system unit Power switch to Off 2 If attached disconnect the keyboard 5 300 2 3 Loosen the and remove the keyboard adapter cable from the back of the system unit 1 3 5 300 4 Main...

Page 528: ...Keyboard Adapter Cable Replacement 1 Connect the keyboard adapter cable to the system unit as shown below October 1984 5 300 5...

Page 529: ...2 Secure the keyboard adapter in place as shown below 5 300 6 Maintenance Information...

Page 530: ...Diskette Drive 600 October 1984 5 600wl...

Page 531: ...m unit and expansion unit from the outlet and disconnect all cables from the rear of the unit 3 Remove the cover of the system unit or expansion unit 5 100 2 4 Remove the Diskette Drive Adapter mounti...

Page 532: ...e Adapter Replacement Adapter End 1 Look at the following figure and become familiar with the signal cable before installing the connector Drive A Connector V 1 Cable Twisted Drive B Connector October...

Page 533: ...the Diskette Drive Adapter B Insert the adapter into the option expansion slot Press down firmly on the adapter to seat the connector 4 Install the adapter mounting screw 5 Install the cover of the sy...

Page 534: ...Diskette Drive Type 1 601 October 1984 5 601 1...

Page 535: ...g the power cord of the system unit and expansion unit from the outlet 4 Disconnect all cables from the rear of the system unit 5 Remove the cover of the system unit 5 100 2 6 Disconnect the signal ca...

Page 536: ...f diskette drive A 8 Slide the diskette drive approximately 50 mm about 2 inches out of the system unit Disconnect the power connector from the diskette drive logic board Side View 9 Remove the disket...

Page 537: ...frame Connect the power cable to the diskette drive logic board Front Panel Side View 2 Slide drive A in until the face plate is even with the front panel 3 Route the signal cable between the diskette...

Page 538: ...between the rear of the front panel and the face plate Tighten the screws Mounting Scraws Face Plate SIde View This connector is present only on 320KB drives 6 Install the option adapters you removed...

Page 539: ...switches on all external devices to Off 3 Unplug the power cord of the system unit and expansion unit from the outlet 4 Disconnect all cables from the rear of the system unit 5 Remove the cover of th...

Page 540: ...kette drive approximately 50 mm about 2 in out of the system unit Disconnect the power connector from the diskette drive logic board 9 Remove the diskette drive signal cable 10 Remove the diskette dri...

Page 541: ...cable to the diskette drive logic board This connector is present only on Side View 320KB drives 2 Slide diskette drive B in until the face plate is even with the front panel 3 Route the signal cable...

Page 542: ...rance of 1 0 mm 0 040 in between the rear of the front panel and the face plate Tighten the screws B 040 Mounting Screws Side View 6 Remove the terminating resistor from drive B only 5 601 27 7 Instal...

Page 543: ...tches on all attached devices to Off 3 Unplug the power cord of the system unit and expansion unit from the outlet 4 Disconnect all cables from the rear of the system unit 5 Remove the cover of the sy...

Page 544: ...c board 7 Disconnect connectors 5 and 6 from the right front of the diskette drive logic board 8 Disconnect the diskette drive signal cable from the diskette drive logic board Top View Diskette Drive...

Page 545: ...hes m line up with the guide brackets Ja then lift the diskette drive logic board from the diskette drive assembly 11 Disconnect the diskette drive power connector from the left rear of the diskette d...

Page 546: ...he left rear of the diskette drive logic board 2 Align the notches mon the sides of the logic board with the guide brackets III then lower the logic board onto the brackets 1 Diskette Power Connector...

Page 547: ...s 5 Connect connectors 8 through 13 at the left rear of the logic board 6 Connect connectors 5 and 6 at the right front of the logic board 7 Connect the diskette drive signal cable to the right rear o...

Page 548: ...stem unit and expansion unit from the outlet 4 Disconnect all cables from the rear of the system unit 5 Remove the cover of the system unit 5 100 2 6 Remove the diskette drive 5 601 2 or 5 601 6 7 Car...

Page 549: ...belt around the small pulley dark shiny side facing the pulleys then around the large pulley 2 Install the diskette drive 5 601 4 or 5 601 8 3 Install the cover of the system unit 5 100 3 4 Connect al...

Page 550: ...procedure for diskette drive A or B or both when the Diagnostics program does not load or the Speed Test does not execute You need fluorescent lighting for this adjustment 1 Remove the diskette drive...

Page 551: ...ce the diskette drive left side up on the system unit power supply as shown below 5 Plug the power connector into the diskette drive logic board leave the signal cable disconnected 6 Plug the system u...

Page 552: ...pulley and adjust the variable resistor on the servo board until the applicable ring of strobe marks appear to stand still Note The outer ring of the strobe is for 60 hertz and the inner ring is for...

Page 553: ...e power cord from the rear of the system unit 12 Install the diskette drive 5 601 4 or 5 601 8 13 Turn to Drive Motor Speed Adjustment 5 601 21 and verify the speed is within specification Adjust if n...

Page 554: ...elect option 4 SPEED TEST for the diskette drive you are testing The diskette drive speed and adjustment specification appear on the screen Note If you are unable to load the Diagnostics program or if...

Page 555: ...vices to Off 7 Unplug the power cord of the system unit and expansion unit from the outlet 8 Disconnect all cables from the rear of the system unit 9 Remove the cover of the system unit 5 100 2 10 Rem...

Page 556: ...drive out of the system unit approximately 50 mm about 2 in 12 Connect all cables 13 Insert the Diagnostics diskette 14 Set the Power switch on the expansion unit if attached and the system unit to On...

Page 557: ...t option 4 SPEED TEST for the diskette drive you are adjusting The diskette drive speed and the adjustment specification appear on the screen SPEED IS 2000 ADJUST FOR 1980 TO 2020 PRESS ANY KEY TO EXI...

Page 558: ...variable resistor on the servo board To adjust the speed carefully insert an insulated screwdriver down past the left end of the diskette drive signal cable to the adjusting screw on top of the variab...

Page 559: ...witch on the system unit and expansion unit if attached to Off 20 Set the Power switches on all attached devices to Off 21 Unplug the power cord of the system unit and expansion unit from the outlet 2...

Page 560: ...stor on the circuit board of the diskette drive The terminating resistor is identified by a white adhesive label with T RES in black letters 2 Pull the terminating resistor from its connector on the c...

Page 561: ...Notes 5 601 28 Maintenance Information...

Page 562: ...Diskette Drive Type 2 602 October 1984 5 602 1...

Page 563: ...wer switches to off printer Display and others 3 Unplug the power cords of the system unit and expansion unit from the outlet 4 Disconnect all cables from the rear of the system unit 5 Remove the cove...

Page 564: ...the option adapters as necessary for access to the screws 5 20 3 8 Slide the diskette drive approximately 50 mm about 2 inches out of the system unit Remove the power connector from the diskette drive...

Page 565: ...frame Connect the power cable to the diskette drive logic board Front Panel Side View 2 Slide diskette drive A in until the face plate is even with the front panel 3 Route the signal cable between th...

Page 566: ...out for a clearance of 1 0 mm 0 040 inch between the rear of the front panel and the face plate tighten the screws Side View 6 Install the option adapters you removed 5 20 5 7 Install the cover of th...

Page 567: ...wer switches to off printer Display and others 3 Unplug the power cords of the system unit and expansion unit from the outlet 4 Disconnect all cables from the rear of the system unit 5 Remove the cove...

Page 568: ...8 Slide the diskette drive approximately 50 m m about 2 inches out of the system unit 9 Disconnect the power connector from the left rear corner of the diskette drive logic board Side View Diskette P...

Page 569: ...m the frame 2 Connect the power cable to the diskette drive logic board Side View 3 Slide diskette drive B in until the face plate is even with the front panel 4 Route the signal cable between the dis...

Page 570: ...for a clearance of 1 0 mm 0 040 inch between the rear of the front panel and the face plate tighten the screws SIde View 7 Remove the terminating resistor only on drive B 5 602 25 8 Install the cover...

Page 571: ...isconnect all cables from the rear of the system unit 5 Remove the cover of the system unit 5 100 2 6 Disconnect all connectors from the rear and the head cables from the right front of the diskette d...

Page 572: ...10 Disconnect the diskette drive power connector from the left rear corner of the diskette drive logic board 11 Remove the shield plate October 1984 5 602 11...

Page 573: ...th the threaded hole in the right diskette guide 5 Insert the retaining screw 6 Connect the connectors at the left rear of the diskette drive logic board The first connector on the left is a 4 pin con...

Page 574: ...terminating resistor only on drive B 5 602 25 10 Install the cover of the system unit 5 100 3 11 Connect all cables Retaining Screw Terminating Resistor Diskette Drive Signal Cable Connector October 1...

Page 575: ...tem unit and expansion unit from the outlet 4 Disconnect all cables from the rear of the system unit 5 Remove the cover of the system unit 5 100 2 6 Remove the diskette drive 5 602 2 or 5 602 6 7 Care...

Page 576: ...belt around the small pulley dark shiny side facing pulleys then place the belt around the large pulley 2 Install the diskette drive 5 602 4 or 5 602 8 3 Install the cover of the system unit 5 100 3 4...

Page 577: ...et all external Power switches off printer Display and others 3 Unplug the power cords of the system unit and expansion unit from the outlet 4 Disconnect all cables from the rear of the system unit 5...

Page 578: ...nnect a jumper between J 1 pin 16 on the diskette drive logic board and ground 10 Plug power connector P 3 into the diskette d rive logic board 11 Plug the system unit power cord into the system unit...

Page 579: ...y Adjust the variable resistor on the diskette drive logic board until the applicable ring of strobe marks appear to stand still Note The outer ring of strobe marks is for 60 hertz and the inner ring...

Page 580: ...t the system unit power cord from the rear of the system unit 17 Install the diskette drive 5 602 4 or 5 602 8 18 Use Drive Motor Speed Adjustment 5 602 20 to verify the speed is within specification...

Page 581: ...select option 4 SPEED TEST for the diskette drive you are testing The diskette drive speed and the adjustment specification appear on the screen Note If you are unable to load the Diagnostics diskett...

Page 582: ...s 7 Unplug the power cords of the system unit and expansion unit from the outlet 8 Disconnect all cables from the rear of the system unit 9 Remove the cover of the system unit 5 100 2 10 Connect all c...

Page 583: ...4 Select option 4 SPEED TEST for the diskette drive you are adjusting The diskette drive speed and the adjustment specification appear on the screen SPEED IS 2000 ADJUST FOR 1980 TO 2020 PRESS ANY KEY...

Page 584: ...or the diskette drive speed is a variable resistor on the diskette drive logic board To adjust the speed carefully insert an insulated screwdriver into the screw on the top of the variable resistor Oc...

Page 585: ...pansion unit if attached to Off 18 Set all external Power switches to off printer Display andothers 19 Unplug the power cords of the system unit and expansion unit from the outlet 20 Disconnect all ca...

Page 586: ...stor on the circuit board of the diskette drive The terminating resistor is identified by a white adhesive label with T RES in black letters 2 Pull the terminating resistor from its connector on the c...

Page 587: ...Notes 5 602 26 Maintenance Information...

Page 588: ...athCoprocessor 700 October 1984 5 700 1...

Page 589: ...one hand on the system unit frame while removing the coprocessor 1 Set the Power switch on the system unit and expansion unit if attached to Off 2 Set the Power switches on all attached devices to Off...

Page 590: ...d in slot 7 or 8 5 20 3 7 Disconnect the power supply connectors from the system board and move them out of the way 8 Look at the figure below and find the Math Coprocessor on the system board o 0 IBM...

Page 591: ...9 Using a module puller carefully remove the coprocessor 10 Remove the safety protector 5 700 4 Maintenance Information...

Page 592: ...one hand on the system unit frame while installing the coprocessor 1 Install the safety protector 5 100 18 Make sure the notches in the safety protector are on the same end as the notch in the coproce...

Page 593: ...2 Refer to the figure below and find the Math Coprocessor connector on the system board 8088 Processor IBM Math o 0 5 700 6 Maintenance Information Coprocessor Connector...

Page 594: ...sor faces the rear of the system board 4 Ensure that Switch 2 on the system board is in the Off position Notch in the Rear Pins Connector 5 Reconnect the power supply connectors 6 Install any option a...

Page 595: ...Notes 5 700 8 Maintenance Information...

Page 596: ...IBM 5152 Graphics Printer 1400 October 1984 5 1400 1...

Page 597: ...l the On Off I O switches for your work station components to Off 0 2 Unplug printer power cord from the power outlet 3 Disconnect the printer cable from the system unit as shown below Printer Adapter...

Page 598: ...ush the printer cable spring retainers to either side and remove the cable from the printer Spring Retainers 6 Tape the printer cable to protect the connectors 7 Place a piece of paper in the printer...

Page 599: ...ructions 1 Connect the printer signal cable to the printer adapter on the system unit or expansion unit 2 Connect the printer cable to the back of the printer 3 Use a medium sized Phillips screwdriver...

Page 600: ...Fixed Disk 1700 October 1984 5 1700 1...

Page 601: ...1 Set the system unit and expansion unit Power switch to Off then unplug the expansion unit power cord and remove all cables from the rear of the unit 2 Move the keyboard display and all external opt...

Page 602: ...5 Remove the mounting screws on the left side of drive C October 1984 5 1700 3...

Page 603: ...34 pins J2 the data connector has 22 pins The Power connector has 4 pins and May be mounted on the logic board or May be on a pigtail 6 Slide the drive out approximately 50 mm about 2 in and disconne...

Page 604: ...____ Contto co ectot J oatalco tto cab e tyPe 2...

Page 605: ...ems are the same Jl the control connector has 34 pins J2 the data connector has 22 pins The Power connector has 4 pins and May be mounted on the logic board or May be on a pigtail 2 With the front of...

Page 606: ...power Connector __ Ilt 1 Fixed Disk Drive C locating Key Type 2 October 1984 5 1700 7...

Page 607: ...ce plate and the front mounting panel is 1 0 mm 0 040 in 4 Install the two mounting screws Warning Be sure to use the same two mounting screws long screws that you removed from the side of the drive o...

Page 608: ...that you removed from the mounting plate or damage will result o o Bottom View o Fixed Disk Diskette Drive Mounting Plate Mounting Plate Screw 6 Install all option adapters 5 20 5 7 Install the cover...

Page 609: ...ect 3 Prepare System for Relocation 1 Set the expansion unit Power switch to Off then unplug the expansion unit power cord and remove all cables from the rear of the unit 2 Move all external options a...

Page 610: ...w are examples of the fixed disk drive and connectors These may not be the same as those in your system however certain items are the same J1 the control connector has 34 pins J3 the data connector ha...

Page 611: ...ut 2 in and disconnect the control connector Jl data connector J3 and the power connector 8 Remove the disk drive from the unit Fixed Disk Drive 0 Data Control Cable Data Connector J3 Control Connecto...

Page 612: ...e the same Jl the control connector has 34 pins J3 the data connector has 22 pins The Power connector has 4 pins and May be mounted on the logic board or May be on a pigtail 2 With the front of the dr...

Page 613: ...and the front mounting panel is 1 0 mm 0 040 in 4 Install the two mounting screws Warning Be sure to use the same two mounting screws long screws that you removed from the side of the drive or damage...

Page 614: ...e the same screw short screw that you removed from the mounting plate or damage will result o o Fixed Disk Drive C 6 Install all option adapters 5 20 5 7 Install the cover of the expansion unit 5 100...

Page 615: ...om the outlet and disconnect all cables from the rear of the units 3 Remove the cover of the system unit or expansion unit 5 100 2 4 Remove the Fixed Disk Adapter mounting screw 5 20 3 5 Grasp the ada...

Page 616: ...7 If two fixed disk drives are installed remove data connector J3 Ii Data Connector J3 October 1984 5 1700 17...

Page 617: ...ore starting the replacement Data Control Cable Disk Adapter Control Connector J1 _ I Disk Adapter Da Connector J3 1 Drive CData Cable Connector J2 Drive CControl __ Cable Connector J1 Drive 0 Data il...

Page 618: ...2 If two fixed disk drives are installed connect data connector J3 I 1 Data Connector J3 October 1984 5 1700 19...

Page 619: ...J1 Data Connector J2 4 Insert the Fixed Disk Adapter into the option expansion slot Press down firmly on the adapter to seat the connector 5 Install the adapter mounting screw 6 Install the cover of t...

Page 620: ...Expansion Unit 1800 Note For information on removing the expansion unit power supply see page 5 100 4 October 1984 5 1800 1...

Page 621: ...er cord and disconnect all cables from the rear of the expansion unit 2 Remove the cover of the expansion unit 5 100 2 3 Remove all option adapters including the receiver card 5 20 3 4 Remove the expa...

Page 622: ...board away from the power supply approxim tely 13 mm about 0 5 in until the standoffs II can be lifted from the mounting slots ED 7 Lift the expansion board up and out of the system unit m Side View...

Page 623: ...Expansion Board Replacement 1 Insert the standoffs B on the expansion board into the mounting slots II Side View 5 1800 4 Maintenance Information...

Page 624: ...holes for the mounting screws 3 Install the expansion board mounting screw 1lJ 4 Install the expansion board power connectors m 5 Install the option adapters including the receiver card 5 20 5 6 Inst...

Page 625: ...Notes 5 1800 6 Maintenance Information...

Page 626: ...Display 3200 October 1984 5 3200 1...

Page 627: ...1 Set the system unit Power switch to Off and disconnect the display power cord from the rear of the system unit 2 Disconnect the signal cable from the IBM Display Adapter IBM Monochrome Display 5 320...

Page 628: ...play Replacement 1 Connect the signal cable from your display to the IBM Monochrome Display and Printer Adapter 2 Connect the display power cord to the connector at the rear of the system unit October...

Page 629: ...ay to orf 0 3 Unplug the display power cord from the outlet 4 Disconnect the display signal cable from the system unit 5 Disconnect the power cord from the rear of the display IBM Color Display 111111...

Page 630: ...the display to the Display Adapter 2 Connect the power cord to the rear of the display 3 Plug the power cord into the outlet IBM Color Display 11111111111111111 11111111111111111 111111111111 AfoIIII...

Page 631: ...Notes 5 3200 6 Maintenance Information...

Page 632: ...3 Remove the system unit cover 5 100 2 4 Look at the back of the system unit and locate the display card The display card retaining bracket is stamped for ease of identification see below 5 The all p...

Page 633: ...emove the top card connector between the APA adapter and the display adapter by pulling upward 7 Remove the retaining bracket mounting screw for the APA adapter III I QP 5 3200 8 Maintenance Informati...

Page 634: ...8 To remove the APA adapter card grasp the adapter card by the top corners and lift upward October 1984 5 3200 9...

Page 635: ...lay adapter the display adapter retaining bracket has been stamped for easy identification see below 2 Position the display adapter so its front edge lines up with plastic card guide in the front of t...

Page 636: ...3 Hold the APA adapter by the top corners and press it into place 4 Install the retaining bracket mounting screw October 1984 5 3200 11...

Page 637: ...e top card connector are aligned with the top edge APA and display adapter sockets then carefully press the connector into place 6 Put the system unit cover on 5 100 3 7 Plug the system unit power cor...

Page 638: ...f 2 Unplug the system unit s power cord from the wall outlet 3 Remove the system unit cover 5 100 2 4 Look at the back of the system unit and locate the display card The display card retaining bracket...

Page 639: ...the display signal cable from the back of the display adapter Monochrome Color 6 If present remove any top card connectors attached to the display adapter by pulling upward 5 3200 14 Maintenance Info...

Page 640: ...7 Remove the retaining bracket mounting screw for the display adapter October 1984 5 3200 15...

Page 641: ...8 To remove the display adapter card grasp the adapter card by the top corners and lift upward 5 3200 16 Maintenance Information...

Page 642: ...three 2 Position the display adapter so its front edge lines up with plastic card guide in the front of the system unit and the contacts on the bottom edge line up with the socket on the system board...

Page 643: ...ng bracket mounting screw 5 If you have the Programmed Symbols adapter or the All Points Addressable adapter reinstall the top card connector s between these adapters and the display card 5 3200 18 Ma...

Page 644: ...6 Put the system unit cover on 5 100 3 7 Reconnect the display signal cable Monochrome Color 8 Plug the system unit power cord into the power outlet October 1984 5 3200 19...

Page 645: ...f 2 Unplug the system unit s power cord from the wall outlet 3 Remove the system unit cover 5 100 2 4 Look at the back of the system unit and locate the display card The display card retaining bracket...

Page 646: ...S adapter should be the adapter card that is adjacent to the display adapter with two top card connectors 6 Remove the top card connector between the PS adapter and the display adapter by pulling upwa...

Page 647: ...7 Remove the retaining bracket mounting screw for the PS adapter 8 To remove the PS adapter card grasp the adapter card by the top corners and lift upward 5 3200 22 Maintellance Information...

Page 648: ...isplay adapter the display adapter retaining bracket has been stamped for easy identification see below 2 Position the PS adapter so its front edge lines up with plastic card guide in the front of the...

Page 649: ...3 Hold the PS adapter by the top corners and press it into place 4 Install the retaining bracket mounting screw for the PS adapter 5 3200 24 Maintenance Information...

Page 650: ...on the top card connector are aligned with the top edge PS and display adapter sQckets then carefully press the connector i to place 6 Put the system unit cover on 5 100 3 7 Plug the system unit powe...

Page 651: ......

Page 652: ...h Settings Introduction 6 2 System Board Switches 6 3 Coprocessor 6 4 System Board Memory 6 5 Displays 6 6 5 1 4 Inch Diskette Drives 6 6 Extender Card Switch Settings 6 7 Memory Option Switches 6 8 O...

Page 653: ...s are presently set Set a rocker switch by pressing down the rocker to the desired position Push a slider switch to the desired position The following notation is used throughout this section o Is use...

Page 654: ...e individual positions is indicated below Specific information on the proper switch settings for the IBM 3270 Personal Computer are indicated on the following pages Switch Function 1 Normal operation...

Page 655: ...Coprocessor System board switch 2 is set to indicate if the coprocessor is installed With Math Coprocessor 12345678 xOxxxxxx Without Math Coprocessor 12345678 x1xxxxxx 6 4 Maintenance Information...

Page 656: ...System Board Memory The following figure shows the settings for switches 3 and 4 for the amount of memory on the system board 256KB 12345678 xxOOxxxx October 1984 6 5...

Page 657: ...270 Personal Computer Displays Displays 12345678 xxxx11xx 5 1 4 Inch Diskette Drives The following figures show how switches 7 and 8 must be set for the number of diskette drives installed 1 Drive 123...

Page 658: ...ork station This card has a set of switch settings that must match the amount of memory installed in the system unit The chart below indicates the proper switch settings for the extender card System M...

Page 659: ...below 256KB Memory Printer Expansion Card referred to as the 256KB Plug On Card in the chart below The switches discussed are on the adapters The Dual Inline Package DIP switch setting charts in the f...

Page 660: ...320KB Total Memory 64KB 256KB on System Board 64 256KB Option Card Switches 1 64 256KB Option 12345678 with 64KB installed 10111000 October 1984 6 9...

Page 661: ...emory 128KB 256KB on System Board 64 256KB Option Memory Printer Card Switches Adapter 1 64 256KB 12345678 Option with 10110100 128KB installed 1 1234 Memory Printer 0101 Adapter 128KB 6 10 Maintenanc...

Page 662: ...stem Board 64 256KB Option Memory Printer Card Switches Adapter 1 64 256KB 12345678 Option with 10110010 192KB installed 1 12345678 1234 eD1ory Printer 10011000 0101 Adapter 128KB 1 64 256KB Option wi...

Page 663: ...oard 64 256KB Option Memory Printer Card Switches Adapter 1 64 256KB 12345678 Option with 10110001 256KB installed 1 12345678 1234 ernory Printer 10010100 0101 Adapter 128KB 1 64 256KB Adapter with 12...

Page 664: ...emory Printer Card Switches Adapter 1 12345678 1234 ennory Printer 10010010 0101 Adapter 128KB 1 64 256KB Option with 192KB installed 1 64 256KB 12345678 Option with 10110001 256KB installed 12345678...

Page 665: ...4 Memory Printer 1001 Adapter 128KB with 1 256KB Plug On Card 1 12345678 1234 Memory Printer 10010001 0101 Adapter 128KB 1 64 256KB Adapter with 256KB installed 1 64 256KB 12345678 Adapter with 101100...

Page 666: ...2 How to USE This Parts Catalog 7 3 Visual Index 7 4 System Unit 7 5 Expansion Unit 7 8 Monochrome Display 7 12 Color Display 7 14 Diskette Drive 7 16 Fixed Disk Drive 7 24 Keyboard 7 26 Matrix Matrix...

Page 667: ...ndiana 46135 for further information ALL EXPRESS AND IMPLIED WARRANTIES FOR THIS IBM SERVICE PAKf INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PAKfICULAR PURPOSE ARE LIMITED IN DURATI...

Page 668: ...assembly containing the part Du Driv F S 1 12 IIeyHIrd Figu 7 H2 FilldDisk Dri Fig 8 HD Matrix Pri 151521 F a IIIH4 2 Turn to the page for that 1r assembly Then t locate the part visually Figure 1 Sys...

Page 669: ...oc lfO 01sl l1 S S f 9 te l page 1 O s ette f e f 9 te t pa98 1 b oa f l te 1 a 1 t1 7 4 E a1 s O U t f t81 a981 8 Co ot 0 S 8 t 1 11 f I 8 8 8 0 f 8 O s 0 f re 6 8 1 10 _tt ri 1 f I 8 a 1 14 1 su a l...

Page 670: ...umber Number DescriPtion 1 1 8529163 Bezel Assembly 1 2 8654209 Top Cover No Bezel 1 2 8529162 Cover Assembly 1 3 8654388 Logo Label Kit US and Canada 1 3 8654394 Logo Label Kit Non US and Canada Cons...

Page 671: ...7 6 11 ____10 14 15 13 4 Figure 1 System Unit 5271...

Page 672: ...10 2683125 Display Adapter WTC 1 10 8529269 Fixed Disk Adapter 1 10 8529152 5 1 4 Diskette Drive Adapter 1 10 8654395 Printer Memory Adapter 1 10 8529149 Printer Adapter 1 10 2683110 NMI Keyboard Adap...

Page 673: ...2 4 3 6 5 Figure 2 Expansion Unit 5161 7 8...

Page 674: ...er Description 2 1 8529163 Bezel Assembly 2 2 8529162 Cover Assembly 2 3 8529204 Disk Cover Plate 2 4 8529164 Logo Label Kit Consisting of Logo Rear Name Plate FCC Label 2 5 8529252 Extender Card Must...

Page 675: ...11 Figure 2 Expansion Unit 5161 7 10...

Page 676: ...on Unit 5161 Major Figure Unit Index Part Code Number Number Description 2 7 8529250 Expansion Board 2 8 8529247 Power Supply 2 9 8529158 Line Cord 2 10 8529248 Base Assembly 2 11 8529251 Receiver Car...

Page 677: ...Figure 3 Monochrome Display 5151 7 12...

Page 678: ...529230 Back Cover 8529231 Upper Cover Plug 8529232 Foot 8529176 Power Cord Holder 8529173 Signal Cable 8529235 Transformer 120V 8654206 Transformer 220 240V 8529237 Control Support 8529236 Transformer...

Page 679: ...13 Figure 4 Color Display 5272 7 14...

Page 680: ...ala Nicaragua Honduras Panama Costa Rica EI Salvador Guyana Colombia Trinidad Barbados Venezuela Netherlands Antilles Saudi Arabia 4 12 2719904 125V Philippines Burma Bolivia Equador 4 12 2719831 240V...

Page 681: ...13 3 7 Figure 5 Diskette Drive Type 1 7 16...

Page 682: ...26 Diskette Drive Logic Printed Circuit Board 5 3 8529256 Servo Board 5 4 8529293 Front Panel 5 5 8529267 Cone Lever Assembly Consisting of Cone Lever Arm Cone Assembly Mounting Clips Latch Assembly 5...

Page 683: ...Figure 5 Diskette Drive Type 1 7 18...

Page 684: ...Cone 5 3 8529223 Diskette Drive Motor 5 4 8529159 Signal Cable 5 5 8529154 Diskette Drive Belt 5 6 8529263 Spindle Assembly Consisting of Spindle 1 Bearings 2 Spring 1 Sleeve 1 5 6 8529294 Misc Parts...

Page 685: ...3 Figure 5 Diskette Drive Type 2 7 20...

Page 686: ...8654250 Write Protect Switch 5 5 8654260 Nut Plate write protect 5 6 8654245 Guide Right 5 7 8654244 Guide Left 5 8 8654249 LED Assembly 5 9 8654240 Drive Motor 5 10 8654261 Leaf Spring 5 11 8654243...

Page 687: ...3 11 6 ks 10 9 1_ _ 7 Figure 5 Diskette Drive Type 2 7 22...

Page 688: ...t 5 3 8654242 latch 5 4 8654262 latch Pin 5 5 8654258 Cone Assembly Consisting of Retaining Clip Washer Special Spring Washer Clip Bearing Insert Cone Cone Shaft 5 6 8654256 Spindle Assembly Consistin...

Page 689: ...2 Figure 6 Fixed Disk Drive 7 24...

Page 690: ...Fixed Disk Drive Figure Indax Part Numbar Numbar Description 6 1 8529275 Fixed Disk Drive 6 2 8529271 Data Control Cable 7 25...

Page 691: ...6 5 1 7 1 v Ew0 eyboard Figure 7 K 7 26...

Page 692: ...8074 logo 7 3 4178210 Cover Asm Consisting of 7 4 6016746 Spring 7 5 6016744 Clutch 7 6 6016741 leg 12 7 7 6016742 leg 18 7 8 6016743 Button 7 9 4178205 Cover 7 10 8502468 Keyboard CSA USA Canada 7 10...

Page 693: ...Figure 8 For continued protection against fire hazard replace only with same type and ratmg of fuse...

Page 694: ...29278 Fuse 315mA for 220 240V 8 8 8529187 Fuse Filter Card Power Cord for 120V 8 9 8529214 Printer Cable Assembly 8 10 8529268 Control Cards Graphics Printer Consisting of 8 11 8529221 Driver Card 8 1...

Page 695: ...7 30...

Page 696: ...argin Assembly 8 25 8529200 Printer Misc Hardware Consisting of Plane Washers C T P Screws Retaining Rings Type E CP Screws with OW Cup Screws Spacers Outside Toothed Lock Washers CP Screws with SW Cu...

Page 697: ...tria Belgium France Germany Spain 250V 6A United Kingdom Ireland Hong Kong 250V 5A Fuse 5640662 3 0M Malaysia Singapore Part Number 4422260 13A 0 5640663 3 0M Indonesia 250V 6A G 5640664 3 0M Australi...

Page 698: ...28 Adjustments see Removal Replacement and Adjustments All Points Addressable Adapter Locations 4 3200 2 Parts 7 7 PICs 3 3200 1 Removal 5 3200 7 Replacement 5 3200 10 Asynchronous Communications Adap...

Page 699: ...2 Print Head Locations 4 1400 7 Parts 7 29 Print Cable Locations 4 1400 5 Parts 7 29 Carriage Belt Matrix Printer Locations 4 1400 4 Parts 4 29 Carriage Drive Assembly Matrix Printer Locations 4 1400...

Page 700: ...rix Printer See Control Circuit Cards or Driver Circuit Cards Control Circuit Card Matrix Printer Locations 4 1400 6 Parts 7 29 Control Panel Matrix Printer Locations 4 1400 6 Parts 7 29 Control Panel...

Page 701: ...4 Drive B Type 1 Removal 5 601 6 Replacement 5 601 8 Type 2 Removal 5 602 6 Replacement 5 602 8 Drive Belt Type 1 Parts 7 19 Removal 5 601 15 Replacement 5 601 16 Type 2 Parts 7 23 Removal 5 602 14 Re...

Page 702: ...ont Panel Type 1 Locations 4 600 2 Parts 7 17 Type 2 Locations 4 600 4 Parts 7 21 LED Assembly Type 1 Locations 4 600 2 Parts 7 17 Type 2 Locations 4 600 4 Parts 7 21 PICs 3 600 1 Servo Board Type 1 L...

Page 703: ...3200 2 Parts 7 7 PICs 3 3200 1 Removal 5 3200 13 Replacement 5 3200 17 Drive Belt Diskette Drive Type 1 Parts 7 19 Removal 5 601 15 Replacement 5 601 16 Diskette Drive Type 2 Parts 7 23 Removal 5 602...

Page 704: ...16 Replacement 5 1700 18 Fixed Disk Drive Locations 4 1700 1 Parts 7 25 PICs 3 1700 1 Fixed Disk Drive C Removal 5 1700 2 Replacement 5 1700 6 Fixed Disk Drive D Removal 5 1700 10 Replacement 5 1700...

Page 705: ...Cord Assembly Matrix Printer G Locations 4 1400 2 Parts 7 29 Ground Locations H System Unit Power Supplies 4 20 1 80 CPS Matrix Printer 110 120 Vac 4 20 2 80 CPS Matrix Printer 220 240 Vac 4 20 2 Heat...

Page 706: ...ations 4 1400 3 Parts 7 28 Carriage Motor Locations 4 1400 2 Parts 7 28 Carriage Shafts Locations 4 1400 3 Parts 7 28 Control Circuit Card Locations 4 1400 4 Parts 7 28 Control Panel Locations 4 1400...

Page 707: ...ediate Gear Locations 4 1400 3 Parts 4 1400 30 Left Margin Sensor Locations 4 1400 8 Parts 7 30 PICs 3 1400 1 Platen Locations 4 1400 3 Power Transformer Locations 4 1400 2 Parts 7 28 Print Head Locat...

Page 708: ...Parts 4 26 L Keybutton Positions French 4 300 2 German 4 300 3 Italian 4 300 4 Spanish 4 300 5 U K English 4 300 6 U S English 4 300 7 PICs 3 300 1 Latch Assembly Diskette Drive 1 Locations 4 600 2 P...

Page 709: ...le 4 1100 1 Diskette Drive Adapter 4 600 1 Display Adapter 4 3200 2 Distributed Function Communications 4 2800 1 Fixed Disk Drive Adapter 4 1700 2 Keyboard Timer Adapter Type 1 2 4 300 8 Printer Adapt...

Page 710: ...2 Power Transformer Primary Cable 4 1400 2 Print Head 4 1400 3 Print Head Cable 4 1400 3 Print Head Gap Adjusting Lever 4 1400 3 Print Mechanism Assembly 4 1400 3 Printer Cable 4 1400 5 Ribbon Cartrid...

Page 711: ...5 Rear Panel Connectors 4 100 5 Speakers 4 100 5 System Board 4 100 2 System Expansion Slots 4 100 5 Logic Printed Circuit Board Diskette Drive Type 1 Locations 4 600 2 Parts 7 16 Diskette Drive Type...

Page 712: ...Adapter 3 3200 1 Start 3 5 1 System Board 3 100 1 Undetermined Problems 3 9999 1 Platen Locations 4 1400 3 Power Connector Diskette Type 1 Locations 4 600 3 Diskette Type 2 Locations 4 600 5 System B...

Page 713: ...ter Adapter Locations 4 900 1 Parts 7 7 PICs 3 900 1 Removal 3 20 3 Replacement 3 20 5 Printer Cable Locations 4 1400 5 Programmed Symbols Adapter Locations 4 3200 3 R Parts 7 7 PICs 3 3200 1 Removal...

Page 714: ...ard Type 1 Removal 5 601 10 Replacement 5 601 13 Diskette Drive Logic Board Type 2 Removal 5 602 10 Replacement 5 602 12 Display Adapter Removal 5 3200 13 Replacement 5 3200 17 Drive Belt Type 1 Remov...

Page 715: ...2 Color Display Removal 5 3200 3 Replacement 5 3200 4 Keyboard Adapter Cable Removal 5 300 4 Replacement 5 300 5 Keyboard Removal 5 300 2 Replacement 5 300 3 Math Coprocessor Removal 5 700 2 Replaceme...

Page 716: ...moval 5 602 25 8088 Processor Removal 5 100 14 Replacement 5 100 16 Ribbon Cartridge Locations 4 1400 2 Ribbon Shield Locations 4 1400 2 Parts 7 28 s Safety Ground Locations System Unit Power Supplies...

Page 717: ...1 Memory 6 8 System Board Locations 4 100 2 Parts 7 7 PICs 3 100 1 Removal 5 100 10 Replacement 5 100 12 System Expansion Slots Locations 4 100 2 System unit T Cover Parts 7 5 Removal 5 100 2 Replacem...

Page 718: ...256KB Memory Expansion Option 5 200 6 Replacement System Board 5 200 5 64 256KB Memory Expansion Option 5 200 8 64 256KB Memory Expansion Option Locations 4 200 1 Parts 7 6 Removal 5 20 3 Replacement...

Page 719: ...whatever information u supply in any way it believes appropriate without incurring any obligation to you You may of course continue to use the information you supply Comments 1 0 1 ou wish a reply pro...

Page 720: ...1 L_ III II BU SlNESS REPLY MAlL FIRST CLASS PERMIT NO 40 ARMONK N V POSTAGE WILL BE PAIDBV ADDRESSEE Inte rnational Business Machines Corporation Department 52Q Neighborhood Road Kingston New York 1...

Page 721: ..._ International Business Machines Corporation Neighborhood Road Kingston New York 12401 SY27 2567 2 Printed in USA...

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IBM 3270, Maintenance Manual

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