Laptop User Manual
Table Of Contents
- Read This First
- Product Overview
- Checkout Guide
- Optional Device Checkout
- Power Management Features
- Symptom-to-FRU Index
- Running the Diagnostics
- Related Service Procedures
- FRU Removals and Replacements
- Important Notice
- FRU Service Procedures
- Removal Reference
- 1010 DIMM Card and Backup Battery
- 1020 Battery Pack
- 1030 Hard Disk Drive
- 1040 Keyboard Unit
- 1050 Keyboard and Speakers
- 1060 Diskette Drive Assembly or CD-ROM Assembly
- 1070 Diskette Drive and CD-ROM Drive
- 1080 LCD Unit
- 1090 Fan Assembly, CPU Card, and Thermal Rubber
- 1100 Upper Shield Case
- 1110 Box Speaker and Microphone
- 1120 DC/DC Card
- 1130 System Board and PC Card Slot
- 1140 Battery Pack Latch
- 2010 LCD Front Cover
- 2020 LCD Inverter Card
- 2030 LCD Panel
- 2040 LCD Misc. Parts
- 2050 LCD Cable
- 3010 ThinkPad Port Replicator with Advanced EtherJet Feature
- Locations
- Parts List
- Notices
Verify that the power supply being used at the time of the
failure is operating correctly. (See “Power Systems
Checkout” on page 13):
1. Turn off the computer.
2. Visually check them for damages. If any problems
are found, replace the FRU.
3. Remove or disconnect all of the following devices:
a. Non-IBM devices
b. Devices attached to the port replicator
c. Printer, mouse, and other external devices
d. Battery pack
e. Hard disk drive
f. CD-ROM and FDD
g. DIMM
h. PC Cards
4. Turn on the computer.
5. Determine if the problem is solved.
6. If the problem is solved, reconnect the removed
devices one at a time until you find the failing FRU.
7. If the problem remains, replace the following FRUs
one at a time. Do not replace a nondefective FRU.
a. System board
b. DC/DC card
c. LCD assembly
d. CPU card
ThinkPad 380Z 33










