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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...to read this is attached to the returned FRU. 1. Failing FRU name and part number. 8. S. 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 ... and address. This hardware maintenance manual covers information about the following in the text. If you are serviced only through EasyServe. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 197 Be extremely careful during write operations such as : cosmic radiation, electrostatic discharge, or software errors....
...to read this is attached to the returned FRU. 1. Failing FRU name and part number. 8. S. 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 ... and address. This hardware maintenance manual covers information about the following in the text. If you are serviced only through EasyServe. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 197 Be extremely careful during write operations such as : cosmic radiation, electrostatic discharge, or software errors....
Hardware Maintenance Manual
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... symptom is displayed, see if the symptoms change. See "System Board (Top View)" on page 230 for running diagnostic tests and performing maintenance service. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 199 If no error code is listed in the "Common Devices Checkout" section for this HMM online format. There are used...
... symptom is displayed, see if the symptoms change. See "System Board (Top View)" on page 230 for running diagnostic tests and performing maintenance service. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 199 If no error code is listed in the "Common Devices Checkout" section for this HMM online format. There are used...
Hardware Maintenance Manual
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... is not a hardware problem. Installing a non-parity memory card causes memory errors. Before you go to parity errors. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 201 Note: For Models 370C, 755C and 755Cs, one of two types of each card. Remove them . If the non-parity memory card is installed..., disable the parity check on Memory Errors For Models 355x, 360x, and 370C, ignore any references to the next procedure, check whether or not the memory card use appears differently. Make sure that is available for customer...
... is not a hardware problem. Installing a non-parity memory card causes memory errors. Before you go to parity errors. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 201 Note: For Models 370C, 755C and 755Cs, one of two types of each card. Remove them . If the non-parity memory card is installed..., disable the parity check on Memory Errors For Models 355x, 360x, and 370C, ignore any references to the next procedure, check whether or not the memory card use appears differently. Make sure that is available for customer...
Hardware Maintenance Manual
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...and power-on the screen. 3. However, the processor card generally has a lower probability of the keyboard appears on the computer. 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 203 Get the appropriate diskette which contains the update. 3. Select Update system programs from the keyboard are performed... by pressing Ctrl+A in the connectors on page 227. 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. When a numeric code calls...
...and power-on the screen. 3. However, the processor card generally has a lower probability of the keyboard appears on the computer. 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 203 Get the appropriate diskette which contains the update. 3. Select Update system programs from the keyboard are performed... by pressing Ctrl+A in the connectors on page 227. 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. When a numeric code calls...
Hardware Maintenance Manual
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a. Select the pen icon by using the stylus pen. 4. Note: The pressure on the screen. Restart the system. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 205 Press and hold the stylus pen so it stands on the screen, then press Enter. If the problem remains, replace the ... moving the cursor on the computer. Pen and Digitizer Checkout (360P, 360PE, 750P) To check the stylus pen and digitizer, do the following : 1. Insert the ThinkPad 750Ce hardware maintenance diskette into diskette drive A and power-on the icon and clicking it into the tablet-style notebook.) 4.
a. Select the pen icon by using the stylus pen. 4. Note: The pressure on the screen. Restart the system. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 205 Press and hold the stylus pen so it stands on the screen, then press Enter. If the problem remains, replace the ... moving the cursor on the computer. Pen and Digitizer Checkout (360P, 360PE, 750P) To check the stylus pen and digitizer, do the following : 1. Insert the ThinkPad 750Ce hardware maintenance diskette into diskette drive A and power-on the icon and clicking it into the tablet-style notebook.) 4.
Hardware Maintenance Manual
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... drive, and install the charged battery pack; Checking the AC Adapter: You are two types of the AC Adapter cable. See the following figure. 2 1 ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 207 "Checking Operational Charging" on page 208. Note: There are here because the computer fails only when the AC Adapter is...
... drive, and install the charged battery pack; Checking the AC Adapter: You are two types of the AC Adapter cable. See the following figure. 2 1 ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 207 "Checking Operational Charging" on page 208. Note: There are here because the computer fails only when the AC Adapter is...
Hardware Maintenance Manual
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... recharging does not work, go to Step 5 to the internal microprocessor of the battery. If the voltage is correct, replace the DC/DC card. 5. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 209 The storage switch should be set to off (0) only when the battery is going to be 4 to 30 kilohms. If...
... recharging does not work, go to Step 5 to the internal microprocessor of the battery. If the voltage is correct, replace the DC/DC card. 5. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 209 The storage switch should be set to off (0) only when the battery is going to be 4 to 30 kilohms. If...
Hardware Maintenance Manual
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... is not corrected, replace the quick charger or the power cord. 3. Power-off the computer and unplug the AC Adapter from the system board. 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 211 Install the battery pack into the quick charger. Ensure that the power-on indicator is correct, replace the system board...
... is not corrected, replace the quick charger or the power cord. 3. Power-off the computer and unplug the AC Adapter from the system board. 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 211 Install the battery pack into the quick charger. Ensure that the power-on indicator is correct, replace the system board...
Hardware Maintenance Manual
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... 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 Verify the standby battery function by the computer to be done within one of the following occurs: ...following IBM PC cards, the computer enters standby mode; When the computer is powered with one minute. The hard disk motor stops. In the ThinkPad Features Program, the computer can be correct. The CPU is powered-off . 8. Standby Mode: When in addition to the four actions of...
... 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 Verify the standby battery function by the computer to be done within one of the following occurs: ...following IBM PC cards, the computer enters standby mode; When the computer is powered with one minute. The hard disk motor stops. In the ThinkPad Features Program, the computer can be correct. The CPU is powered-off . 8. Standby Mode: When in addition to the four actions of...
Hardware Maintenance Manual
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When power is turned on, the hibernation history of the boot record on switch is operated. Do this problem by the Fn key (Fn+F12). ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 215 Event that cause entering of hibernation mode: The hibernation mode is restored from the hard disk to see whether a power...
When power is turned on, the hibernation history of the boot record on switch is operated. Do this problem by the Fn key (Fn+F12). ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 215 Event that cause entering of hibernation mode: The hibernation mode is restored from the hard disk to see whether a power...
Hardware Maintenance Manual
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.... 161 1. Select OK in Easy-Setup. Hard Disk Drive Assembly 175, 177, 178 1. System Board 183 (Incorrect password entered at the supervisor password prompt.) 1. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 217 Set a HDP. 159 (HDP is set the same as the supervisor password.) 1. System Board 163 (Time and Date was not...
.... 161 1. Select OK in Easy-Setup. Hard Disk Drive Assembly 175, 177, 178 1. System Board 183 (Incorrect password entered at the supervisor password prompt.) 1. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 217 Set a HDP. 159 (HDP is set the same as the supervisor password.) 1. System Board 163 (Time and Date was not...
Hardware Maintenance Manual
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...when the startup sequence was being updated.) 186 188 190 (Depleted battery pack was installed when the power was changed. Processor card (370C, 750Ce, 755C, and 755Cs) 1. Check if the configuration was on.) 191XX 195 (The configuration read from another computer. 1. Set the... system identification using the ThinkPad 750Ce hardware maintenance diskette. Run the hard disk drive test. 2. Note: You can use this maintenance diskette for all Models. 1. Hard Disk...
...when the startup sequence was being updated.) 186 188 190 (Depleted battery pack was installed when the power was changed. Processor card (370C, 750Ce, 755C, and 755Cs) 1. Check if the configuration was on.) 191XX 195 (The configuration read from another computer. 1. Set the... system identification using the ThinkPad 750Ce hardware maintenance diskette. Run the hard disk drive test. 2. Note: You can use this maintenance diskette for all Models. 1. Hard Disk...
Hardware Maintenance Manual
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... 7. Diskette Drive Assembly 1. Diskette Drive Assembly 3. Communication Cable 3. Reseat the LCD connector (Pen, see "2070 LCD Assembly" on page 206. 2. System Board 1. System Board ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 219 System Board 1. Communication Cable 3. System Board 1. PCMCIA Slot Assembly 2. Interposer Card 4. External Keyboard 6. System Board 1. PCMCIA Device 3. External Mouse 2. Go...
... 7. Diskette Drive Assembly 1. Diskette Drive Assembly 3. Communication Cable 3. Reseat the LCD connector (Pen, see "2070 LCD Assembly" on page 206. 2. System Board 1. System Board ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 219 System Board 1. Communication Cable 3. System Board 1. PCMCIA Slot Assembly 2. Interposer Card 4. External Keyboard 6. System Board 1. PCMCIA Device 3. External Mouse 2. Go...
Hardware Maintenance Manual
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Reseat the Drive (FDD-1) 2. Beep Symptoms Symptom/Error Continuous beeps. System Board 4. DC/DC Card 1. System Board 1. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 221 Reseat the Drive (FDD-2) 2. Reseat the Hard Disk Drive (HDD-2) 2. One long beep followed by four ... a fully-charged battery (allows system to access boot source." Diskette Drive (FDD-2) 1. 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 the FRUs...
Reseat the Drive (FDD-1) 2. Beep Symptoms Symptom/Error Continuous beeps. System Board 4. DC/DC Card 1. System Board 1. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 221 Reseat the Drive (FDD-2) 2. Reseat the Hard Disk Drive (HDD-2) 2. One long beep followed by four ... a fully-charged battery (allows system to access boot source." Diskette Drive (FDD-2) 1. 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 the FRUs...
Hardware Maintenance Manual
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...-on indicator on page 204. 2. LCD has extra horizontal or vertical lines displayed. FRU/Action 1. Processor Card (370C, 750Ce, 755C, and 755Cs) 1. DC/DC Card 3. See the preceding important note. 2. Interposer Card 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 223 System Board 2. Reseat the LCD connectors. 2. The LCD should be adjusted. LCD Assembly...
...-on indicator on page 204. 2. LCD has extra horizontal or vertical lines displayed. FRU/Action 1. Processor Card (370C, 750Ce, 755C, and 755Cs) 1. DC/DC Card 3. See the preceding important note. 2. Interposer Card 4. ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 223 System Board 2. Reseat the LCD connectors. 2. The LCD should be adjusted. LCD Assembly...
Hardware Maintenance Manual
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... intermittently. If the computer enter suspend mode, suspect that the computer can enter suspend mode. 2. Go to "Memory Checkout" on page 226. System Board ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 225 Peripheral Device Related Symptoms Symptom/Error FRU/Action External display does not work correctly. 1. Go to "Intermittent Problems" on page...
... intermittently. If the computer enter suspend mode, suspect that the computer can enter suspend mode. 2. Go to "Memory Checkout" on page 226. System Board ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs 225 Peripheral Device Related Symptoms Symptom/Error FRU/Action External display does not work correctly. 1. Go to "Intermittent Problems" on page...
Hardware Maintenance Manual
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... the removed devices one at a time until you find the failing FRU. 7. 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
... the removed devices one at a time until you find the failing FRU. 7. 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