Hardware Maintenance Manual
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...Symptom-to-FRU Index 141 Related Service Procedures 154 Product Overview 159 FRU Removals and Replacements 161 Locations 181 Parts Listing 190 ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs . 195 Read This First 197 General Checkout 200 Symptom-to-FRU Index 216 Related Service Procedures 228... Product Overview 232 FRU Removals and Replacements 236 Removals Models 355x, 360x 237 Removals Models 370C, 750x, 755C, 755Cs . . . 261 Locations 289 Parts Listing 296 ThinkPad 755CD, 755CDV (9545 315 General Checkout 317 © Copyright IBM Corp. 1995 vii
...Symptom-to-FRU Index 141 Related Service Procedures 154 Product Overview 159 FRU Removals and Replacements 161 Locations 181 Parts Listing 190 ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs . 195 Read This First 197 General Checkout 200 Symptom-to-FRU Index 216 Related Service Procedures 228... Product Overview 232 FRU Removals and Replacements 236 Removals Models 355x, 360x 237 Removals Models 370C, 750x, 755C, 755Cs . . . 261 Locations 289 Parts Listing 296 ThinkPad 755CD, 755CDV (9545 315 General Checkout 317 © Copyright IBM Corp. 1995 vii
Hardware Maintenance Manual
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...-LOA ThinkPad 350C 2618-NOA 2618-POA ThinkPad 355 2619 ThinkPad 355C 2619 2619 ThinkPad 355Cs 2619 2619 ThinkPad 360 2620 2620 ThinkPad 360C 2620 2620 ThinkPad 360Cs 2620 2620 ThinkPad 360Ce 2620 2620 2620 ThinkPad 360Cse 2620 2620 2620 ThinkPad 360P 2620 2620 ThinkPad 370C 9545 9545 9545 ThinkPad 500 2603-081 2603-171 ThinkPad 510 2604 ThinkPad 700 9552-300 9552-301 ThinkPad 700C...
...-LOA ThinkPad 350C 2618-NOA 2618-POA ThinkPad 355 2619 ThinkPad 355C 2619 2619 ThinkPad 355Cs 2619 2619 ThinkPad 360 2620 2620 ThinkPad 360C 2620 2620 ThinkPad 360Cs 2620 2620 ThinkPad 360Ce 2620 2620 2620 ThinkPad 360Cse 2620 2620 2620 ThinkPad 360P 2620 2620 ThinkPad 370C 9545 9545 9545 ThinkPad 500 2603-081 2603-171 ThinkPad 510 2604 ThinkPad 700 9552-300 9552-301 ThinkPad 700C...
Hardware Maintenance Manual
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ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs Model 355x - 2619 Model 360x - 2620 Model 370C, 750x, 755C, 755Cs - 9545 Read This First 197 What to Do First 198 General Checkout 200 Memory Checkout 201 System Board and Processor Card Checkout (370C, 750Ce, 755C, 755Cs 203 Keyboard/Auxiliary Input Device Checkout . ....231 Fn Key Combinations 231 How To Run the Keyboard Diagnostics . . . . 231 Product Overview 232 Models 355x, 360x 232 Model 370C 233 Model 750x 233 Models 755C, 755Cs 235 FRU Removals and Replacements 236 Removals Models 355x, 360x 237 1010 Rear Connector Door 237 1015...
ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs Model 355x - 2619 Model 360x - 2620 Model 370C, 750x, 755C, 755Cs - 9545 Read This First 197 What to Do First 198 General Checkout 200 Memory Checkout 201 System Board and Processor Card Checkout (370C, 750Ce, 755C, 755Cs 203 Keyboard/Auxiliary Input Device Checkout . ....231 Fn Key Combinations 231 How To Run the Keyboard Diagnostics . . . . 231 Product Overview 232 Models 355x, 360x 232 Model 370C 233 Model 750x 233 Models 755C, 755Cs 235 FRU Removals and Replacements 236 Removals Models 355x, 360x 237 1010 Rear Connector Door 237 1015...
Hardware Maintenance Manual
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... 360Cs, 360CSE, 750Cs, 755Cs (STN color) 360P, 360PE, 750P (pen). Name and phone number of service. 3. and Canada, the ThinkPad 370C and ThinkPad 360PE are servicing might have been rearranged or the drive startup sequence might have nothing to the part list. FRUs should only be replaced because...log errors do with a hardware defect such as copying, saving, or formatting. Machine type, model number, and serial number. 9. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 197 Drives in the parts exchange form or part return form that have been altered. When you are ...
... 360Cs, 360CSE, 750Cs, 755Cs (STN color) 360P, 360PE, 750P (pen). Name and phone number of service. 3. and Canada, the ThinkPad 370C and ThinkPad 360PE are servicing might have been rearranged or the drive startup sequence might have nothing to the part list. FRUs should only be replaced because...log errors do with a hardware defect such as copying, saving, or formatting. Machine type, model number, and serial number. 9. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 197 Drives in the parts exchange form or part return form that have been altered. When you are ...
Hardware Maintenance Manual
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... of passwords as follows: Power-on page 292 for more information. There are used to Disable the Power-On Password: Important This information is provided. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 199
... of passwords as follows: Power-on page 292 for more information. There are used to Disable the Power-On Password: Important This information is provided. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 199
Hardware Maintenance Manual
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... to the next procedure, check whether or not the memory card use appears differently. Remove them . ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 201 Installing a non-parity memory card causes memory errors. Use the following ... MB 8 MB 16 MB 750, 750C, 750Cs, 750P 3904 KB 5952 KB 8000 KB 12096 KB 20288 KB 355x, 360x, 370C, 750Ce, 755C, 755Cs 3712 KB 5760 KB 7808 KB 11904 KB 20096 KB DIMM 0 MB 4 MB 8 MB 12 MB 24... MB 16 MB 20 MB 32 MB 370C, 755C, 755Cs 3712 KB 7808 KB 11904 KB 16000 KB 28288 KB 20096 KB 24192 KB 36480 KB Memory errors...
... to the next procedure, check whether or not the memory card use appears differently. Remove them . ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 201 Installing a non-parity memory card causes memory errors. Use the following ... MB 8 MB 16 MB 750, 750C, 750Cs, 750P 3904 KB 5952 KB 8000 KB 12096 KB 20288 KB 355x, 360x, 370C, 750Ce, 755C, 755Cs 3712 KB 5760 KB 7808 KB 11904 KB 20096 KB DIMM 0 MB 4 MB 8 MB 12 MB 24... MB 16 MB 20 MB 32 MB 370C, 755C, 755Cs 3712 KB 7808 KB 11904 KB 16000 KB 28288 KB 20096 KB 24192 KB 36480 KB Memory errors...
Hardware Maintenance Manual
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...is pressed, the key position on the keyboard layout on page 200. 2. 2. System Board and Processor Card Checkout (370C, 750Ce, 755C, 755Cs) The processing functions for the Models 370C, 750C, 755Ce, and 755Cs are correctly seated in Easy-Setup screen. 2. This test verifies both the system board ... processor card generally has a lower probability of the keyboard appears on page 227. If FRU code 11 appears, reseat the processor card. 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 203 Run the system board test to verify the fix. 5. When a numeric code calls the system board or the...
...is pressed, the key position on the keyboard layout on page 200. 2. 2. System Board and Processor Card Checkout (370C, 750Ce, 755C, 755Cs) The processing functions for the Models 370C, 750C, 755Ce, and 755Cs are correctly seated in Easy-Setup screen. 2. This test verifies both the system board ... processor card generally has a lower probability of the keyboard appears on page 227. If FRU code 11 appears, reseat the processor card. 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 203 Run the system board test to verify the fix. 5. When a numeric code calls the system board or the...
Hardware Maintenance Manual
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... replaced with a new one. Without applying any pressure on the computer. Audio Card Checkout Do the following . 1. Insert the ThinkPad 750Ce hardware maintenance diskette into the tablet-style notebook.) 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 205 Replace the system board. Select Test by moving the cursor on the icon and clicking it...
... replaced with a new one. Without applying any pressure on the computer. Audio Card Checkout Do the following . 1. Insert the ThinkPad 750Ce hardware maintenance diskette into the tablet-style notebook.) 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 205 Replace the system board. Select Test by moving the cursor on the icon and clicking it...
Hardware Maintenance Manual
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... checking both types is supplied. 3. If the operational charge does not work, go to "Checking Operational Charging" on page 208. See the following figure. 2 1 ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 207 Disconnect the AC Adapter, remove the hard disk and diskette drive, and install the charged battery pack; "Checking the AC...
... checking both types is supplied. 3. If the operational charge does not work, go to "Checking Operational Charging" on page 208. See the following figure. 2 1 ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 207 Disconnect the AC Adapter, remove the hard disk and diskette drive, and install the charged battery pack; "Checking the AC...
Hardware Maintenance Manual
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... internal microprocessor of the battery. The storage switch should be kept in the AC Adapter with the battery pack removed, then power-on the computer. 6. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 209 The storage switch is correct, replace the DC/DC card. 5.
... internal microprocessor of the battery. The storage switch should be kept in the AC Adapter with the battery pack removed, then power-on the computer. 6. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 209 The storage switch is correct, replace the DC/DC card. 5.
Hardware Maintenance Manual
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... charger. Checking the Backup Battery 1. See the following figure. Install the battery pack into the quick charger. Remove the backup battery from the computer. 2. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 211 Checking the Quick Charger: There are two types of chargers, but checkout procedures are the same for correct continuity and...
... charger. Checking the Backup Battery 1. See the following figure. Install the battery pack into the quick charger. Remove the backup battery from the computer. 2. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 211 Checking the Quick Charger: There are two types of chargers, but checkout procedures are the same for correct continuity and...
Hardware Maintenance Manual
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...prolong battery power. The resume operation must start. Suspend Mode: When in addition to "Will not suspend even if LCD is closed.". In the ThinkPad Features Program, the computer can be recharged to standby battery will not be done within one of +3.5 V dc. 9. The hard disk motor...remain active. 3270 Emulation Credit Card Adapter 5250 Emulation Credit Card Adapter Token-Ring 16/4 Credit Card Adapter Credit Card Adapter for Ethernet ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 213 Events that cause entering of standby mode, occur: The LCD power is used with one minute. ...
...prolong battery power. The resume operation must start. Suspend Mode: When in addition to "Will not suspend even if LCD is closed.". In the ThinkPad Features Program, the computer can be recharged to standby battery will not be done within one of +3.5 V dc. 9. The hard disk motor...remain active. 3270 Emulation Credit Card Adapter 5250 Emulation Credit Card Adapter Token-Ring 16/4 Credit Card Adapter Credit Card Adapter for Ethernet ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 213 Events that cause entering of standby mode, occur: The LCD power is used with one minute. ...
Hardware Maintenance Manual
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... . The power-on , the hibernation history of the larger AC Adapter (50W, optional) is recommended, if one of hibernation mode: The hibernation mode is operated. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 215
... . The power-on , the hibernation history of the larger AC Adapter (50W, optional) is recommended, if one of hibernation mode: The hibernation mode is operated. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 215
Hardware Maintenance Manual
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... 163 (Time and Date was not set even though the supervisor password is not set time and date 2. Hard Disk Drive Assembly 175, 177, 178 1. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 217 Numeric Error Codes Symptom/Error FRU/Action 10X 1. Expansion Unit/Port Replicator 3. Diskette Drive Assembly 4.
... 163 (Time and Date was not set even though the supervisor password is not set time and date 2. Hard Disk Drive Assembly 175, 177, 178 1. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 217 Numeric Error Codes Symptom/Error FRU/Action 10X 1. Expansion Unit/Port Replicator 3. Diskette Drive Assembly 4.
Hardware Maintenance Manual
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..." on page 208. 1. IC DRAM Card, DIMM, or DIMM Adapter 3. Note: You can use this maintenance diskette for all Models. 1. Processor card (370C, 750Ce, 755C, and 755Cs) 1. Go to "Checking the Battery Pack" on page 201. 2. Hard Disk Drive 1. Suspect that power was off when the...is not equal to the hibernation area size on .) 191XX 195 (The configuration read from another computer. 1. Set the system identification using the ThinkPad 750Ce hardware maintenance diskette. For example, check if the disk drive is not valid. System Board 1. System Board 1. Have the user disable...
..." on page 208. 1. IC DRAM Card, DIMM, or DIMM Adapter 3. Note: You can use this maintenance diskette for all Models. 1. Processor card (370C, 750Ce, 755C, and 755Cs) 1. Go to "Checking the Battery Pack" on page 201. 2. Hard Disk Drive 1. Suspect that power was off when the...is not equal to the hibernation area size on .) 191XX 195 (The configuration read from another computer. 1. Set the system identification using the ThinkPad 750Ce hardware maintenance diskette. For example, check if the disk drive is not valid. System Board 1. System Board 1. Have the user disable...
Hardware Maintenance Manual
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... (Second) 2. Keyboard/Mouse Cable 7. External Keyboard 3. System Board 1. System Board 1. External Keyboard 6. System Board 1. Hard Disk Drive 2. Diskette Drive Assembly 1. Diskette 3. System Board 1. System Board ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 219
... (Second) 2. Keyboard/Mouse Cable 7. External Keyboard 3. System Board 1. System Board 1. External Keyboard 6. System Board 1. Hard Disk Drive 2. Diskette Drive Assembly 1. Diskette 3. System Board 1. System Board ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 219
Hardware Maintenance Manual
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... message "Unable to complete shutdown before changing the battery). Boot device 2. One beep and a blank, unreadable, or flashing LCD. System Board 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 221 Reseat the Drive (FDD-2) 2. One long, two short beeps and a blank or unreadable LCD. One long beep ... beep every second. (System is defective or that the FRU was incorrectly installed. Hard Disk Drive (HDD-2) PCMCIA-2 (Replicator) Cellular Modem (370C, 750Ce, 755C, and 755Cs) Internal Modem Card Reserved Note: The device ID and error codes are used to indicate the detail portion of ...
... message "Unable to complete shutdown before changing the battery). Boot device 2. One beep and a blank, unreadable, or flashing LCD. System Board 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 221 Reseat the Drive (FDD-2) 2. One long, two short beeps and a blank or unreadable LCD. One long beep ... beep every second. (System is defective or that the FRU was incorrectly installed. Hard Disk Drive (HDD-2) PCMCIA-2 (Replicator) Cellular Modem (370C, 750Ce, 755C, and 755Cs) Internal Modem Card Reserved Note: The device ID and error codes are used to indicate the detail portion of ...
Hardware Maintenance Manual
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...work correctly. 1. LCD Assembly 3. Interposer Card 4. Keyboard 3. See "TrackPoint II checkout" on , and a blank LCD during POST. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 223 LCD has extra horizontal or vertical lines displayed. DC/DC Card 1. System Board 5. Reseat the three keyboard ... cannot be replaced if the number of the notebook computers contain over 921 000 thin film transistors (TFTs). System Board 2. Processor Card (370C, 750Ce, 755C, and 755Cs) 1. LCD Assembly 4. System Board Pointer moves automatically or does not work . 1. DC/DC Card 3....
...work correctly. 1. LCD Assembly 3. Interposer Card 4. Keyboard 3. See "TrackPoint II checkout" on , and a blank LCD during POST. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 223 LCD has extra horizontal or vertical lines displayed. DC/DC Card 1. System Board 5. Reseat the three keyboard ... cannot be replaced if the number of the notebook computers contain over 921 000 thin film transistors (TFTs). System Board 2. Processor Card (370C, 750Ce, 755C, and 755Cs) 1. LCD Assembly 4. System Board Pointer moves automatically or does not work . 1. DC/DC Card 3....
Hardware Maintenance Manual
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... does not match the installed devices. DC/DC Card 5. Go to "Suspend Mode" on page 201. 1. Printer problems. 1. Run Printer Self-test. 2. System Board ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 225 Interposer Card 4. Symptom/Error The system will not suspend or resume by opening or closing the LCD. System hangs intermittently...
... does not match the installed devices. DC/DC Card 5. Go to "Suspend Mode" on page 201. 1. Printer problems. 1. Run Printer Self-test. 2. System Board ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 225 Interposer Card 4. Symptom/Error The system will not suspend or resume by opening or closing the LCD. System hangs intermittently...
Hardware Maintenance Manual
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... computer. 5. Battery pack e. Determine if the problem has changed. 6. DC/DC card Audio card Interposer card LCD assembly System board Processor card (370C, 750Ce, 755C, and 755Cs) ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 227 Follow the procedures below to isolate the failing FRU (do not isolate non-defective FRUs). Check the cables...
... computer. 5. Battery pack e. Determine if the problem has changed. 6. DC/DC card Audio card Interposer card LCD assembly System board Processor card (370C, 750Ce, 755C, and 755Cs) ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 227 Follow the procedures below to isolate the failing FRU (do not isolate non-defective FRUs). Check the cables...