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Symptom/Error

FRU/Action

0011XX00

1. System Board
2. Serial Connector

3. Any Serial Device

4. Communication Cable

0014XXXX
(See “Printer Checkout” on
page 468 before replacing
any FRUs.)

1. Printer
2. System Board

0024XX00

1. Display Control Card

2. Voltage Converter

005002XX, 005006XX,
005008XX

1. Display Control Card

2. Voltage Converter
3. External Display

4. I/O Panel Assembly

005004XX, 005010XX,
005032XX

1. Display Control Card

2. LCD Panel
3. LCD Cable

005009XX

1. External Display

2. Display Control Card
3. I/O Panel Assembly

00860100, 00860200
00861700, 00861800

1. Mouse or Trackball

2. System Board
3. Numeric Keypad

4. I/O Panel Assembly

0086XX00

1. System Board

2. Mouse or Trackball

3. Numeric Keypad

4. I/O Panel Assembly

0101XXXX

1. See “Fax/Modem

Checkout” on
page 466.

010436XX

1. System Board

2. Hard Disk Drive
3. Hard Disk Drive Cable

0104XXXX

1. Hard Disk Drive

2. System Board

3. Hard Disk Drive Cable

0130XXXX

1. Indicator Card
2. System Board

3. Keyboard Control Card

0137XXXX

  1. Serial Adapter
  2. System Board
  3. Communication

Adapter Holder

4. Any Serial Device

5. Communication Cable

0166XXXX, 0167XXXX

1. Adapter in

Communications
Cartridge

2. Communications

Cartridge

Model CL57 (8554)

125

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Summary of Contents for CL57

Page 1: ... Symptoms 127 Undetermined Problem 130 Related Service Procedures 131 Checking Installed Devices 131 Power on Password 132 How to Run the Advanced Diagnostics 132 Hard Disk Partition 132 Restoring the Partition 133 CL57 LCD FRU Replacement Notice 133 Product Overview 134 FRU Removals and Replacements 135 Locations 140 Parts Listing 141 Copyright IBM Corp 1995 111 ...

Page 2: ...ords Make sure no diskette is in the drive Power on all external devices Power on the computer and check for the following responses 1 All system status indicators appear once for about 1 second Note Some indicators remain on and others go off after 1 second 2 Memory test the number increases 3 Audible responses One short beep or Two short beeps DID YOU RECEIVE THE RESPONSES LISTED ABOVE Yes No 00...

Page 3: ...ponses go to Printer Checkout on page 468 c If the external CRT display has problems such as jittering rolling shifting or being out of focus go to External Display Self Test on page 464 2 Press Ctrl A and run the system checkout IS THE LIST OF INSTALLED DEVICES CORRECT Yes No 009 Go to Checking Installed Devices on page 131 010 Run the diagnostic tests DID THE TEST IDENTIFY A FAILURE Note If the ...

Page 4: ...APPEAR ON THE SCREEN Yes No 014 If all system status indicators do not appear for about 1 second go to Step 016 under Power Systems Checkout on page 117 If the memory count is incorrect go to Memory Checkout on page 115 Go to Symptom to FRU Index on page 122 If that does not correct the problem go to Undetermined Problem on page 130 015 Go to Symptom to FRU Index on page 122 or If that does not co...

Page 5: ...1 Remove all IC DRAM cards from the slots if installed Run the memory tests Use the RUN TESTS ONE TIME option DID THE MEMORY TESTS END WITHOUT AN ERROR Yes No 002 Replace the memory module on the system board 003 DID YOU REMOVE THE IC DRAM CARD FROM SLOT 1 Yes No 004 Go to Step 007 005 Reinstall the IC DRAM card into slot 1 and run Automatic Configuration Run the memory test Use the RUN TESTS ONE ...

Page 6: ...mory test Use the RUN TESTS ONE TIME option DID THE MEMORY TESTS END WITHOUT AN ERROR Yes No 010 Replace the IC DRAM card in slot 2 If that does not correct the problem replace the system board 011 If the problem occurs intermittently run the memory tests multiple times to have an error log 116 IBM Mobile Systems HMM Volume 1 ...

Page 7: ...llowing pages Testing the AC Adapter on page 120 Testing the Battery Pack on page 121 Testing the Backup Battery on page 121 None of the above Follow the steps below 001 DID THE PROBLEM OCCUR ONLY WHEN USING THE AC ADAPTER Yes No 002 Go to Step 004 003 Go to Testing the AC Adapter on page 120 If that does not correct the problem replace the voltage converter 004 DID THE PROBLEM OCCUR ONLY ON BATTE...

Page 8: ...apter and power on the computer DOES ANY INDICATOR REMAIN ON Yes No 011 Power off the computer and remove the following Hard disk drive Diskette drive LCD cables Keyboard flexible cables Power on the computer again Go to Step 013 012 Suspect one of the options or devices Reinstall each of the options or devices to the computer one at a time and power on the computer to see if the original problem ...

Page 9: ...stem status indicators for about 1 second after power on If the status lights match either condition A or B replace the voltage converter If the status lights are different from condition A or B or replacing the voltage converter does not correct the problem go to Undetermined Problem on page 130 System Status Indicator Condition A Condition B Power On Suspend Mode Scroll Lock Caps Lock Numeric Lo...

Page 10: ...he computer and measure the output voltages at the plug of the AC adapter cable Connect the minus lead of the volt ohm meter to pin 3 during the measurement 4 2 1 3 If the voltages are not correct 1 Unplug the AC adapter from the ac power outlet and leave it for a few minutes 2 Plug the AC adapter into the ac outlet 3 Measure the output voltages of the AC adapter 4 If the voltages are still not co...

Page 11: ...nd The resistance must be 500 ohms to 20 kilohms If the resistance is out of range replace the battery pack Testing the Backup Battery 1 Remove the keyboard and the top cover 2 Disconnect the battery connector from the system board 3 Measure the voltage of the backup battery Red Black If the voltage is correct replace the system board If it is not the backup battery is discharged by a short circui...

Page 12: ... tests but did receive a POST error message diagnose the POST error message 3 If you did not receive an error message look for a description of your error symptoms in the first part of this index 4 Check all power supply voltages before you replace the system board See Power Systems Checkout on page 117 5 If an error message is not listed there is a device installed that requires an additional dis...

Page 13: ...XX 1 Communications Cartridge 000118XX 1 IC DRAM Card or Memory Module 2 System Board 00016100 1 See Testing the Backup Battery on page 121 2 System Board 3 Voltage Converter 00016300 00016400 00016500 00016900 If setting configuration does not solve the problem see Checking Installed Devices on page 131 1 Set Configuration 2 System Board 3 Communications Cartridge 4 Hard Disk Drive 5 IC DRAM Card...

Page 14: ...2 System Board 3 Keyboard or Numeric Keypad 00030200 00030300 00030400 1 System Board 2 Keyboard Control Card 3 Keyboard or Numeric Keypad 00030600 1 Keyboard or Numeric Keypad 2 Auxiliary Input Device 3 Keyboard Control Card 4 System Board 5 I O Panel Assembly 0004XXXX 1 System Board 2 Any Parallel Device 3 Communication Cable 4 I O Panel Assembly 000601XX 1 Diskette Drive 2 System Board 3 Disket...

Page 15: ...rol Card 3 I O Panel Assembly 00860100 00860200 00861700 00861800 1 Mouse or Trackball 2 System Board 3 Numeric Keypad 4 I O Panel Assembly 0086XX00 1 System Board 2 Mouse or Trackball 3 Numeric Keypad 4 I O Panel Assembly 0101XXXX 1 See Fax Modem Checkout on page 466 010436XX 1 System Board 2 Hard Disk Drive 3 Hard Disk Drive Cable 0104XXXX 1 Hard Disk Drive 2 System Board 3 Hard Disk Drive Cable...

Page 16: ...heck the list of devices on the screen I9990302 Operating system not found 1 Make sure that an operating system is installed 2 Hard Disk Drive 3 System Board 4 Hard Disk Drive Cable I998XXXX I9990303 See Hard Disk Partition on page 132 before replacing any FRUs 1 Restore the system programs onto the system partition 2 Set configuration 3 Hard Disk Drive 4 System Board 5 Hard Disk Drive Cable 126 I...

Page 17: ...ad from the hard disk or unable to read diskette 1 Diskette Drive 2 System Board 3 Diskette Drive Cable Two short beeps and a blank display 1 System Board Miscellaneous Symptoms Note A no beep symptom can be caused by incorrect volume setting of the speaker Set the speaker volume to its maximum position Symptom Error FRU Action A no beep and a blank or unreadable display during POST See Power Syst...

Page 18: ...Blank screen or extra horizontal or vertical line s displayed on upper or lower half of the LCD See CL57 LCD FRU Replacement Notice on page 133 before replacing any FRUs 1 LCD Panel 2 Display Control Card 3 LCD Cable Four battery indicators are blinking Battery ID 1 Battery Status 1 Battery ID 2 Battery Status 2 1 Voltage Converter 2 System Board System status indicator is incorrectly blinking or ...

Page 19: ...uter hang or Intermittent hang See Undetermined Problem on page 130 before replacing any FRUs 1 System Board 2 Hard Disk Drive Cable 3 Hard Disk Drive 4 Replace the last device being tested 5 Display Control Card 6 Memory Module 7 IC DRAM Card 8 Voltage Converter The computer goes into suspend mode after the POST 1 System Board 2 Voltage Converter 3 Lid Switch 4 Keyboard Control Card The computer ...

Page 20: ...nect one of the following devices or adapter do not isolate FRUs that are known to be good a Non IBM devices b Modem printer mouse or other external device c IC DRAM card d Hard disk drive fixed disk drive or diskette drive e Communications cartridge f Any adapter and device 3 Power on the computer and start the system program 4 Press Ctrl A to run the system checkout Do not configure the computer...

Page 21: ... computer you are servicing Running Automatic Configuration can alter those settings Note the current configuration settings using the View configuration and verify that the same settings are in place when service is complete The protected partition on the hard disk or the Reference Diskette you are using does not contain the code required to support that device An adapter or device is defective T...

Page 22: ... Reference Diskette into the diskette drive press Ctrl Alt Del then repeat this step 3 Advance to the Main Menu 4 Press Ctrl A to run the system checkout Hard Disk Partition A protected partition on the hard disk contains the system configuration data set system setup programs and customer and advanced diagnostics System setup and diagnostic programs can be loaded from this partition by pressing a...

Page 23: ...k and then restore the programs to the protected partition If the problem remains return to the I998XXXX I9990303 error code on page 126 in the Symptom to FRU index Note After the programs have been restored the Diskette and F1 prompts appear unless an operating system is present CL57 LCD FRU Replacement Notice If missing or discolored dots appear on the LCD carefully read the following note to de...

Page 24: ... a brief overview of the computer features Feature Description Processor MHz 386SX 20 MHz Bus Architecture Micro Channel Memory Standard 2MB Memory Maximum 16MB Video VGA Diskette Drive 3 5 inch Hard Drive 80MB 134 IBM Mobile Systems HMM Volume 1 ...

Page 25: ...arts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical shorts 1 Battery Cover 2 Battery Pack 3 Hinge Covers 4 Six Screws 4 EE 2 C One at each bottom corner and two through extensions at bottom of LCD 5 LCD Rear Cover To separate panel from rear cover place screwdriver in ...

Page 26: ...ard Disk Drive Ribbon Cables 27 Four Hard Disk Drive Screws LL 28 Hard Disk Drive and Mounting Bracket Have customer backup all information on hard disk drive before removal When replacing hard disk drive use customer s backup Reference Diskette to restore system partition 29 Backup Battery 3ð Keyboard Control Card Ribbon Cable Three Keyboard Control Card Screws NN 31 Keyboard Control Card 32 Disp...

Page 27: ... time and date Transfer math coprocessor if installed to new system board IC DRAM Card Connector Connected under system board 46 Two I O Connector Screws LL 47 I O Connectors and Cover 48 Six Voltage Converter Card Screws SS 49 Two Threaded Spacers On voltage converter card Battery Cable 5ð Voltage Converter Card Be careful to use correct screws to replace voltage converter Bottom cover can be cra...

Page 28: ...Model CL57 Exploded View 31 30 1 2 9 41 40 50 32 43 33 23 44 34 24 45 25 46 26 47 27 48 28 42 29 49 138 IBM Mobile Systems HMM Volume 1 ...

Page 29: ...Model CL57 Exploded View continued 21 11 20 20 10 3 4 5 6 7 8 22 13 13 13 13 14 15 35 16 36 36 17 37 18 38 19 39 12 Model CL57 8554 139 ...

Page 30: ...rnal Input 5 Indicator Card 6 Password Override Connector 7 Backup Battery 8 Communication Interface Modem Serial 9 Diskette Drive 1ð Thermal Sensor 11 Hard Disk Drive 12 Trackball Keyboard Card Connector 13 Dew Point Sensor 14 Voltage Converter 15 Voltage Converter 2 3 4 5 6 7 8 9 0 2 5 4 3 140 IBM Mobile Systems HMM Volume 1 ...

Page 31: ...Parts Listing 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 17 18 19 20 21 22 23 24 25 26 27 28 15 Model CL57 8554 141 ...

Page 32: ...nverter 07G1373 20 2MB IC DRAM Card 07G1414 4MB IC DRAM Card 07G1415 8MB IC DRAM Card 07G1416 21 Regulator 06G9536 22 Connector IC DRAM Card 07G1377 23 Memory Module Kit System Board 07G1879 24 System Board 07G1371 Note On system board EC level C81806A J2 and J12 have been removed and the cable between J2 and Voltage Converter index 19 is not used System Board Dew Sensor 35G2319 25 Switch Communic...

Page 33: ...411 AC Adapter CVCC World Trade 06G8457 for Japan 06G8462 for U S Canada 06G8452 AC Adapter CT for Japan 35G2285 for U S Canada 07G1412 Communications Cartridge 07G3999 External Battery Pack 34G9869 Battery Pack Cable for 34G9869 34G9870 FaxConcentrator Adapter A 94X2540 FaxConcentrator Adapter A Cable 94X2527 Miniature Mouse 95F5723 Strap 07G1449 Trackball Cable 07G1381 French 1397927 German 1397...

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