Summary of the content on the page No. 1
S10L-9624-00
IBM Mobile Systems
ThinkPad 380Z (2635) Computer
Hardware Maintenance Manual
August 1998
Summary of the content on the page No. 2
Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 100. First Edition (August 1998) The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUT ANY WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE LIMITED WARRANTIES OF MER
Summary of the content on the page No. 3
ThinkPad 380Z Read This First .................. 3 Screw Tightening Information .......... 4 Product Overview . . . . . . . . . . . . . . . . . 8 Checkout Guide . . . . . . . . . . . . . . . . . 9 Audio Checkout . . . . . . . . . . . . . . . . 10 Diskette Drive Checkout ............ 10 Fan Checkout . . . . . . . . . . . . . . . . . 11 Keyboard or Auxiliary Input Device Checkout . . 11 Memory Checkout . . . . . . . . . . . . . . . 12 Power Systems Checkout ........... 13 Status Indicator
Summary of the content on the page No. 4
1030 Hard Disk Drive ............. 47 1040 Keyboard Unit . . . . . . . . . . . . . . 49 1050 Keyboard and Speakers ......... 52 1060 Diskette Drive Assembly or CD-ROM Drive Assembly . . . . . . . . . . . . . . . . . . 55 1070 Diskette Drive and CD-ROM Drive .... 56 1080 LCD Unit . . . . . . . . . . . . . . . . 60 1090 Fan Assembly, CPU Card, and Thermal Rubber . . . . . . . . . . . . . . . . . . . 63 1100 Upper Shield Case ........... 66 1110 Box Speaker and Microphone ...... 67 1120 DC/D
Summary of the content on the page No. 5
Read This First Before you go to the checkout guide, be sure to read this section. Important Notes Only certified trained personnel should service the computer. Read FRU Removal and Replacement procedures before replacing any FRUs. Be extremely careful during write operations such as copying, saving, or formatting. Drives in the computer that you are servicing might have been rearranged or the drive start-up sequence might have been altered. If you select an incorrect drive, data or pro
Summary of the content on the page No. 6
Screw Tightening Information Loose screws can cause a reliability problem. The IBM ThinkPad computer addresses this problem with nylon-coated screws. Tighten screws as follows: Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part: Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card: Torque driver If you have a torque driver, refer to the “Torque” instruction with each step
Summary of the content on the page No. 7
What to Do First: The service personnel must fill in the following information in the parts exchange form or parts return form that is attached to the returned FRU: 1. Name and phone number of service personnel 2. Date of service 3. Date when the part failed 4. Date of purchase 5. Failure symptoms, error codes appearing on the display, and beep symptoms 6. Procedure index and page number in which the failing FRU was detected 7. Failing FRU name and the part number 8. Machine type, model n
Summary of the content on the page No. 8
The following symptoms might indicate damage caused by nonwarranted activities: Missing parts may be a symptom of unauthorized service or modification. HDD spindles can become noisy from being subjected to excessive force or from being dropped. I9990303 errors can be caused by exposure to strong magnetic fields. Disabling the Power-On Password: When Only the Power-on Password is Set. 1. Power off the computer. 2. Turn the computer upside down. 3. Loosen the memory-slot cover screw 1 , and
Summary of the content on the page No. 9
When Both Power-on Password and Supervisor Password are Set. 1. Power off the computer. 2. Press and hold F1; then power on the computer. After a few seconds, the password prompt appears. 3. Enter your supervisor password. The Easy-Setup Main Menu appears. 4. Select Password and then Power on.A rectangular box appears. 5. Enter your supervisor password and press the Space bar once. 6. Press Enter twice. 7. Select Exit. 8. Select Restart on the Easy-Setup Main Menu and wait until the POST
Summary of the content on the page No. 10
Product Overview The following table is an overview of the system features of the IBM ThinkPad 380Z computer. Feature Description Processor 2635-Hxx Intel Pentium II 233 MHz 2635-Jxx Intel Pentium II 300 MHz Bus Architecture PCI Bus Memory 32MB (on the system board) (Standard) Memory (Option) Maximum of 96MB. CMOS RAM 242 bytes LCD 2635-Hxx/Jxx 13.3-inch, 16M colors, 1024×768 pixel TFT color LCD Diskette Drive 1.44 MB (3-mode), 3.5-inch (Internal) CD-ROM Drive 10×—24× Hard Disk Drive 26
Summary of the content on the page No. 11
Checkout Guide Use the following procedure as a guide for computer problems. Note: The diagnostic tests are intended to test only IBM products. Non-IBM products, prototype cards, or modified options can give false errors and invalid system responses. 1. Obtain the symptoms in detail. 2. Verify the symptoms by running the diagnostic test to re-create the same error or by repeating the same operation. Note: To run the diagnostic test, refer to “Running the Diagnostics” on page 34. If the
Summary of the content on the page No. 12
Verified Symptoms Go To Other symptoms (such “Symptom-to-FRU as LCD monitor Index” on page 23, and problems). then go to “Other Symptoms” on page 32. Audio Checkout 1. Go to the diagnostic menu by selecting Test in the Easy-Setup menu. 2. Select Audio and run the diagnostic tests. 3. If the test detects an audio problem, replace the system board. Diskette Drive Checkout This checkout is to isolate the problem to a controller, drive, or diskette. A write-enabled, blank, formatted 2HD diske
Summary of the content on the page No. 13
9. If no error occurs when you test the formatted diskette, suspect the diskette that the customer used when reporting the problem. Fan Checkout To check the fan, listen for the fan. If you cannot hear it running at power-on, replace the fan. If you can hear it running but not steadily, run the diagnostic test as follows: 1. Start Easy-Setup. 2. Click on Test. 3. Press Ctrl+A to enter the advanced diagnostic mode. The ThinkPad Connection windows appear. 4. Click on Exit. The keyboard la
Summary of the content on the page No. 14
Warning: Do not replace a nondefective FRU. Reseat the keyboard cables. Replace the DC/DC card. Replace the system board. Auxiliary Input Devices: The following auxiliary input devices are supported: Numeric keypad Mouse (PS/2 compatible) External keyboard (with keyboard/mouse cable) If any of these devices do not work, reseat the cable connector and repeat the failing operation. If the problem remains, replace the device, and then the system board. Memory Checkout DIMMs are available f
Summary of the content on the page No. 15
A new features or options is added to the computer. To update the flash memory, do the following: 1. Obtain an appropriate diskette containing the update. 2. Insert the System Program Service diskette into drive A, and turn on the computer with ac power or a fully charged battery. 3. Select Update system programs from the menu. Power Systems Checkout To determine whether a power systems problem is due to the AC Adapter or the battery, do the following: 1. Remove the battery. 2. Connect th
Summary of the content on the page No. 16
b. If the voltage is correct, make sure the connection between the DC/DC card and the system board is not loose. c. Replace the DC/DC card. d. If the problem is not corrected, replace the system board. e. If the problem persists, go to “Undetermined Problems” on page 32. 2. Unplug the AC Adapter cable from the ac power outlet and wait 5 minutes or longer to allow the overvoltage protection circuit to be fully discharged and initialized. 3. Plug the AC Adapter cable into the ac power outle
Summary of the content on the page No. 17
circuit. Try to trickle charge the battery by attaching it to the computer with the AC adapter. 4. If the voltage is more than +11.0 V dc, measure the resistance between the battery terminals 3 and 4. The resistance must be 4 to 30 K ohms. If the resistance is not correct, replace the battery. If the resistance is correct, replace the DC/DC card. Checking Operational Charging Note Battery charging will not start unless the Fuel-Gauge is below 95%. At below 95%, the battery will start ch
Summary of the content on the page No. 18
Wire Voltage (V dc) Red +2.5 to +3.7 Black Ground If the voltage is correct, replace the system board. If the voltage is not correct, the backup battery has been discharged. Replace the backup battery. If the backup battery discharges quickly after replacement, replace the system board. Status Indicator Checkout If an LED problem occurs, do the following: 1. Turn off the computer. 2. Turn on the computer. 3. All the LEDs in the indicator panel should turn on for a moment soon after the co
Summary of the content on the page No. 19
Drifting Pointer There may be cases when the pointer drifts for a short while on the screen, this is not a hardware problem. This movement can occur when a slight, steady pressure is applied to the TrackPoint. No service action needs to be taken. 4. Go to the Easy-Setup menu. 5. Move to an item with the TrackPoint. 6. Press either the left or the right click button. 7. Verify that both buttons work correctly. 8. Move to another item with the TrackPoint. 9. Press the TrackPoint (Press-to
Summary of the content on the page No. 20
Optional Device Checkout If you suspect an optional device problem, do either of the following: “Port Replicator Checkout” “External Monitor Self-Test” Port Replicator Checkout Do the following procedures to isolate a port replicator problem. A port replicator attaches to the system expansion connector on the bottom of the computer. 1. Turn off the computer. 2. Remove the failing devices from the replicator. 3. Unplug the AC adapter from the replicator, if attached. 4. Remove the port rep
