Hardware Maintenance Manual
Page 77
ThinkPad 700, 700C, 720, 720C (9552) General Checkout 68 Memory Checkout 70 Power Systems Checkout 71 Power Management Features 81 Symptom-to-FRU Index 82 Numeric Error Codes 82 Beep Symptoms 88 Miscellaneous Symptoms 89 Undetermined Problem 93 Related Service Procedures 94 System Status Indicators 94 ...Product Overview 102 FRU Removals and Replacements 104 Locations 110 Front View 110 System Board (700 111 System Board (720, 720C 112 Video Card 113 Keyboard Control Card 113 Voltage Converter 114 Parts Listing (700 115 Parts Listing (720, 720C 118 FRU Service Procedures ...
ThinkPad 700, 700C, 720, 720C (9552) General Checkout 68 Memory Checkout 70 Power Systems Checkout 71 Power Management Features 81 Symptom-to-FRU Index 82 Numeric Error Codes 82 Beep Symptoms 88 Miscellaneous Symptoms 89 Undetermined Problem 93 Related Service Procedures 94 System Status Indicators 94 ...Product Overview 102 FRU Removals and Replacements 104 Locations 110 Front View 110 System Board (700 111 System Board (720, 720C 112 Video Card 113 Keyboard Control Card 113 Voltage Converter 114 Parts Listing (700 115 Parts Listing (720, 720C 118 FRU Service Procedures ...
Hardware Maintenance Manual
Page 99
... the system hangs with blank screen. 1. Incorrect system board (700, 700C) 3. Problem occurs only when port replicator installed. 1. See "Power Systems Checkout" on password is not reactivated. 1. System Board 4. Video Card 5. System Board 2. System Board 2. Hard Disk Drive 4. Coprocessor No boot... switch position. Keyboard Control Card 4. LCD 2. Processor Card 3. System Board ThinkPad 700, 700C, 720, 720C (9552) 89 Any Option or Device No beep with a normal display during POST. 1. Video Card 3. Incorrect processor upgrade (700, 700C) 4. Check the power-on ...
... the system hangs with blank screen. 1. Incorrect system board (700, 700C) 3. Problem occurs only when port replicator installed. 1. See "Power Systems Checkout" on password is not reactivated. 1. System Board 4. Video Card 5. System Board 2. System Board 2. Hard Disk Drive 4. Coprocessor No boot... switch position. Keyboard Control Card 4. LCD 2. Processor Card 3. System Board ThinkPad 700, 700C, 720, 720C (9552) 89 Any Option or Device No beep with a normal display during POST. 1. Video Card 3. Incorrect processor upgrade (700, 700C) 4. Check the power-on ...
Hardware Maintenance Manual
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Keypad problems. One or more keys do not work . Video Card 3. LCD 2. System Board 2. Indicator Assembly 1. System Board 1. Keyboard Control Card 4. See "1080 Keyboard Unit" on upper or lower half of LCD conserves ... 1. Related Device 3. Reseat cable 2. LCD cannot be powered-on . No keys on the keyboard work . Keyboard 3. LCD too dark, unable to battery power. Video Card 1. System Board 3. Symptom/Error LCD screen unreadable or characters missing pels. System Board 1. LCD 2. Keyboard Control Card 2. System status indicator stays off . Indicator...
Keypad problems. One or more keys do not work . Video Card 3. LCD 2. System Board 2. Indicator Assembly 1. System Board 1. Keyboard Control Card 4. See "1080 Keyboard Unit" on upper or lower half of LCD conserves ... 1. Related Device 3. Reseat cable 2. LCD cannot be powered-on . No keys on the keyboard work . Keyboard 3. LCD too dark, unable to battery power. Video Card 1. System Board 3. Symptom/Error LCD screen unreadable or characters missing pels. System Board 1. LCD 2. Keyboard Control Card 2. System status indicator stays off . Indicator...
Hardware Maintenance Manual
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... not power-off. See "TrackPoint II Checkout" on page 93 before replacing any FRUs. 2. Video Card 4. Base Memory Card 3. System Board 2. Keyboard Control Card 1. External display problems. Incorrect memory size during POST. The system goes into suspend mode after the POST. See "...Checkout" on page 54 before replacing any FRUs. 2. Voltage Converter 1. Keyboard 1. Disable Trackpoint and test Mouse again. External Display 3. System Board ThinkPad 700, 700C, 720, 720C (9552) 91 See "External Display Self-Test" on page 470 before replacing any FRUs. 2. Check the Suspend...
... not power-off. See "TrackPoint II Checkout" on page 93 before replacing any FRUs. 2. Video Card 4. Base Memory Card 3. System Board 2. Keyboard Control Card 1. External display problems. Incorrect memory size during POST. The system goes into suspend mode after the POST. See "...Checkout" on page 54 before replacing any FRUs. 2. Voltage Converter 1. Keyboard 1. Disable Trackpoint and test Mouse again. External Display 3. System Board ThinkPad 700, 700C, 720, 720C (9552) 91 See "External Display Self-Test" on page 470 before replacing any FRUs. 2. Check the Suspend...
Hardware Maintenance Manual
Page 103
...a. Battery pack d. Power-off the computer. 2. Modem, PC card, printer, mouse, or other external devices c. If the problem is inoperative. Undetermined Problem You are here because the diagnostic tests did not identify which adapter or device failed, the Devices List is incorrect or the system ... replace the following procedure. 1. Non-IBM devices b. If all FRUs have been removed and the problem is operating correctly, continue with the following FRUs: System board Processor card Video card ThinkPad 700, 700C, 720, 720C (9552) 93 Check the power supply that are known to be good...
...a. Battery pack d. Power-off the computer. 2. Modem, PC card, printer, mouse, or other external devices c. If the problem is inoperative. Undetermined Problem You are here because the diagnostic tests did not identify which adapter or device failed, the Devices List is incorrect or the system ... replace the following procedure. 1. Non-IBM devices b. If all FRUs have been removed and the problem is operating correctly, continue with the following FRUs: System board Processor card Video card ThinkPad 700, 700C, 720, 720C (9552) 93 Check the power supply that are known to be good...
Hardware Maintenance Manual
Page 135
...Codes 142 FRU Codes 144 Beep Symptoms 145 No-Beep Symptoms 146 LCD-Related (Video) Symptoms 146 Keyboard and TrackPoint III Symptoms . . . . 148 MultiPort ...Audio Related Symptoms 151 Peripheral Device Related Symptoms . . . . . 151 Other Symptoms 152 Intermittent Problems 152 Undetermined Problems 152 Related Service Procedures 154 Understanding Fn Key Combinations . . . . . 154 Reading Status Indicators...Removing PCMCIA Cards 159 Product Overview 159 FRU Removals and Replacements 161 Disassembling the ThinkPad 701C/701CS . . . 163 Disassembling the LCD Assembly 172 Replacing the ...
...Codes 142 FRU Codes 144 Beep Symptoms 145 No-Beep Symptoms 146 LCD-Related (Video) Symptoms 146 Keyboard and TrackPoint III Symptoms . . . . 148 MultiPort ...Audio Related Symptoms 151 Peripheral Device Related Symptoms . . . . . 151 Other Symptoms 152 Intermittent Problems 152 Undetermined Problems 152 Related Service Procedures 154 Understanding Fn Key Combinations . . . . . 154 Reading Status Indicators...Removing PCMCIA Cards 159 Product Overview 159 FRU Removals and Replacements 161 Disassembling the ThinkPad 701C/701CS . . . 163 Disassembling the LCD Assembly 172 Replacing the ...
Hardware Maintenance Manual
Page 156
...or install a fully charged battery (allows system to suspend operation before working on hardware to correct video problems, make sure that do not have the latest versions of the video drivers installed. No-Beep Symptoms Symptom/Error FRU/Action No beep, power-on indicator not on... Bottom System Board. Power sources. No beep during POST. 1. Systems that the system has the latest versions of video drivers might be a result of software problems. Therefore, before changing the battery). 1. Symptom/Error One long beep followed by four short beeps each time the power...
...or install a fully charged battery (allows system to suspend operation before working on hardware to correct video problems, make sure that do not have the latest versions of the video drivers installed. No-Beep Symptoms Symptom/Error FRU/Action No beep, power-on indicator not on... Bottom System Board. Power sources. No beep during POST. 1. Systems that the system has the latest versions of video drivers might be a result of software problems. Therefore, before changing the battery). 1. Symptom/Error One long beep followed by four short beeps each time the power...
Hardware Maintenance Manual
Page 330
...connector and repeat the failing operation. Do not replace a non-defective FRU. Replace the system board. If the problem is disabled, select Enable to correct the problem. If the internal keyboard does not work , check the configuration in the Easy-Setup by selecting Keyboard from the ...keyboard are supported for this process, the pointer moves 320 IBM Mobile Systems HMM Replace the Video Card Assembly. If the ...
...connector and repeat the failing operation. Do not replace a non-defective FRU. Replace the system board. If the problem is disabled, select Enable to correct the problem. If the internal keyboard does not work , check the configuration in the Easy-Setup by selecting Keyboard from the ...keyboard are supported for this process, the pointer moves 320 IBM Mobile Systems HMM Replace the Video Card Assembly. If the ...
Hardware Maintenance Manual
Page 344
...digit FRU code is filled with zeros. External Mouse 4. Replace the FRU that operating system has no failure, or is assigned to "Undetermined Problems" on page 343. The FRU code indicates two suspected FRUs. Reseat the Drive (FDD-1) 2. FRU Codes If an error is detected by ... Check the startup sequence for the correct boot device. 3. If only one FRU is suspected, the other FRU code is displayed. Keyboard 3. Video Card 5. Reseat the boot device. 2. No FRU is installed correctly. 1. Check that is enabled.) I9990301 I9990302 I9990305 I9990303 Other codes not listed...
...digit FRU code is filled with zeros. External Mouse 4. Replace the FRU that operating system has no failure, or is assigned to "Undetermined Problems" on page 343. The FRU code indicates two suspected FRUs. Reseat the Drive (FDD-1) 2. FRU Codes If an error is detected by ... Check the startup sequence for the correct boot device. 3. If only one FRU is suspected, the other FRU code is displayed. Keyboard 3. Video Card 5. Reseat the boot device. 2. No FRU is installed correctly. 1. Check that is enabled.) I9990301 I9990302 I9990305 I9990303 Other codes not listed...
Hardware Maintenance Manual
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...to indicate the detail portion of the FRUs, go to "Undetermined Problems" on page 331. LCD Assembly 3. Boot device 2. See "Numeric Error Codes" on page 343. ThinkPad 755CD, 755CDV (9545) 335 Reseat the Drive (FDD-2) 2. If the problem remains after replacement of the FRU which caused the error. FRU/...). Diskette Drive (FDD-2) 1. Reseat the Hard Disk Drive (HDD-1) 2. Reseat the Hard Disk Drive (HDD-2) 2. If replacing a FRU does not correct a problem, see the Device ID or error code from the previous failure. One long, two short beeps and a blank or unreadable LCD...
...to indicate the detail portion of the FRUs, go to "Undetermined Problems" on page 331. LCD Assembly 3. Boot device 2. See "Numeric Error Codes" on page 343. ThinkPad 755CD, 755CDV (9545) 335 Reseat the Drive (FDD-2) 2. If the problem remains after replacement of the FRU which caused the error. FRU/...). Diskette Drive (FDD-2) 1. Reseat the Hard Disk Drive (HDD-1) 2. Reseat the Hard Disk Drive (HDD-2) 2. If replacing a FRU does not correct a problem, see the Device ID or error code from the previous failure. One long, two short beeps and a blank or unreadable LCD...
Hardware Maintenance Manual
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... 755CDV, see also "Model 755CDV Symptoms" on page 337 for the notebook computer contains over 921 000 thin film transistors (TFTs). System Board 2. Video Card 4. Processor Card No beep, power-on indicator on , and a blank LCD during POST. 1. Turn the volume up and check the speaker...technology, but system runs correctly. 1. Processor Card 3. System Board 3. DC/DC Card 3. DC/DC Card No beep during POST but excessive pixel problems can cause viewing concerns. Go to "Power Systems Checkout" on , and a blank LCD during POST. 1. FRU/Action System Board No Beep ...
... 755CDV, see also "Model 755CDV Symptoms" on page 337 for the notebook computer contains over 921 000 thin film transistors (TFTs). System Board 2. Video Card 4. Processor Card No beep, power-on indicator on , and a blank LCD during POST. 1. Turn the volume up and check the speaker...technology, but system runs correctly. 1. Processor Card 3. System Board 3. DC/DC Card 3. DC/DC Card No beep during POST but excessive pixel problems can cause viewing concerns. Go to "Power Systems Checkout" on , and a blank LCD during POST. 1. FRU/Action System Board No Beep ...
Hardware Maintenance Manual
Page 350
... does not match the installed devices. System Board Battery Fuel-Gauge does not go higher than 90%. Memory count (size) appears differently from actual size. Video Card 4. Go to "Checking the Battery Pack" on page 329 and check that the computer can enter suspend mode. 2. Go to "Suspend Mode" on page... 324 and see the note. Go to "Intermittent Problems" on page 346. Go to "Checking the Installed Devices List" on page 342. 340 IBM Mobile Systems HMM
... does not match the installed devices. System Board Battery Fuel-Gauge does not go higher than 90%. Memory count (size) appears differently from actual size. Video Card 4. Go to "Checking the Battery Pack" on page 329 and check that the computer can enter suspend mode. 2. Go to "Suspend Mode" on page... 324 and see the note. Go to "Intermittent Problems" on page 346. Go to "Checking the Installed Devices List" on page 342. 340 IBM Mobile Systems HMM
Hardware Maintenance Manual
Page 421
Reseat the keyboard Track Point III cable at the E-Video card. See "1080 Keyboard Unit" on page 393.) Reserved External Keyboard External Mouse LCD Assembly External ...the boot device. 2. Go to code 00. No FRU is filled with zeros. The FRU code indicates two suspected FRUs. Diskette Drive (FDD-2) ThinkPad 755CE, 755CSE, 755CV, 755CX (9545) 411 Reseat the Drive (FDD-1) 2. Diskette Drive (FDD-1) 1. External Mouse 4. See the referenced page... digits. If only one FRU is suspected, the other FRU code is assigned to "Undetermined Problems" on page 419. Reseat the Drive (FDD-2) 2.
Reseat the keyboard Track Point III cable at the E-Video card. See "1080 Keyboard Unit" on page 393.) Reserved External Keyboard External Mouse LCD Assembly External ...the boot device. 2. Go to code 00. No FRU is filled with zeros. The FRU code indicates two suspected FRUs. Diskette Drive (FDD-2) ThinkPad 755CE, 755CSE, 755CV, 755CX (9545) 411 Reseat the Drive (FDD-1) 2. Diskette Drive (FDD-1) 1. External Mouse 4. See the referenced page... digits. If only one FRU is suspected, the other FRU code is assigned to "Undetermined Problems" on page 419. Reseat the Drive (FDD-2) 2.
Hardware Maintenance Manual
Page 480
...board. 2. If that does not correct the problem, replace FRUs in the following conditions: 470 IBM Mobile Systems HMM Disconnect the display signal cable. 3. If the diskette media are known to be connected to see if it is required. 1. Video card 2. Display adapter (any type) 3. ...either 63XX or 85XX displays. 85XX systems with an XGA-2 adapter support 95XX displays. 95XX systems support either 85XX or 95XX displays. ThinkPad models support either 63XX, 85XX, or 95XX displays. Power-on the TEST MENU. Set the brightness control to its maximum position. 5....
...board. 2. If that does not correct the problem, replace FRUs in the following conditions: 470 IBM Mobile Systems HMM Disconnect the display signal cable. 3. If the diskette media are known to be connected to see if it is required. 1. Video card 2. Display adapter (any type) 3. ...either 63XX or 85XX displays. 85XX systems with an XGA-2 adapter support 95XX displays. 95XX systems support either 85XX or 95XX displays. ThinkPad models support either 63XX, 85XX, or 95XX displays. Power-on the TEST MENU. Set the brightness control to its maximum position. 5....
Hardware Maintenance Manual
Page 481
... - Video card 2. System board External Keyboard/Auxiliary Input Device Checkout The following FRUs one at a time to correct the problem. - Mouse (PS/2 compatible) - The screen should be white or light gray, with the type of display. Common Devices Checkout 471 Note: On ThinkPad Models...keyboard connections, and recheck the keyboard responses. Then power-on the screen. The test margin might be available for IBM ThinkPad models. - If the problem remains, replace the following : 1. Note: The location of the auxiliary input devices (listed above), replace the device....
... - Video card 2. System board External Keyboard/Auxiliary Input Device Checkout The following FRUs one at a time to correct the problem. - Mouse (PS/2 compatible) - The screen should be white or light gray, with the type of display. Common Devices Checkout 471 Note: On ThinkPad Models...keyboard connections, and recheck the keyboard responses. Then power-on the screen. The test margin might be available for IBM ThinkPad models. - If the problem remains, replace the following : 1. Note: The location of the auxiliary input devices (listed above), replace the device....
Hardware Maintenance Manual
Page 491
....) The program is not adjusted correctly. The TV Tuner is not displayed. For VCR: Change the tracking adjustment. Move the computer to solve problems when the TV Tuner does not work correctly. Pictures are not saved. Probable Cause Computer is not active. The power for the on .... from the outdoor antenna is not powered on -screen message. (See page 479.) Common Devices Checkout 481 Computer is not connected correctly. The video or antenna cable is in color. Switch the TV/EXT ( ) button. Troubleshooting The following table shows what to do to avoid the interference...
....) The program is not adjusted correctly. The TV Tuner is not displayed. For VCR: Change the tracking adjustment. Move the computer to solve problems when the TV Tuner does not work correctly. Pictures are not saved. Probable Cause Computer is not active. The power for the on .... from the outdoor antenna is not powered on -screen message. (See page 479.) Common Devices Checkout 481 Computer is not connected correctly. The video or antenna cable is in color. Switch the TV/EXT ( ) button. Troubleshooting The following table shows what to do to avoid the interference...
