Main
First Edition (March 1999)
About This Manual
Contents
Page
Introduction
Important Service In formation
FRU Replacement Strategy
Safety Notices (Multi-lingual Translations)
Page
Page
Page
Safety Information
General Safety
Electrical Safety
exposed
Never assume
check
with the power on
Safety Inspection Guid e
Page
Handling Electrostatic Discharge-Sensitive Devices
1. Use product-spec ific ESD procedures when they
2. Make sure that the ESD protective devices you
Grounding Requirements
WorkPad z50 Mobile Comp ani on 1
WorkPad z50 Mobile Com panion (2608) Read This First
Before you go to th e checkout guide, b e sure to read this section. Important
Screw Tightening Information
90 Degrees More Plastic
180 Degrees More Plastic
Logic Card
Cradle Problems:
What to Do First:
Page
Product Overview
Checkout Guide
1. Obtain the failing symptoms in as much detail as
2. Verify the symptoms by attempting to re-create the
3. Use the following table with the verified symptom to
Symptoms (Verified) Refer To
Audio Checkout
Speaker Checkout: If you suspect a prob lem with the
1. Play an audio file. If no sound is h eard, go to the
Microphone Checkout: If you suspect a problem with the
1. Press the microp hone button and rec ord and
Keyboard Checkout
Memory Checkout
Modem Checkout
1. Open the Terminal program. Double click the Make
2. Click Configure . In the Device Proper ti e s
3. Issue the ATA c ommand. 4. If there is no sound, replace the mainboard.
Power Systems Checkout
Page
Battery Pack Checkout:
2. Remove the battery pack and check for any
3. Remove the battery pack and meas ure the voltage
4. If the voltage is l ess than 11.1 V dc, the battery pack
Checking Operational Charging:
Optional Dry Cell Battery Checkout: If the optional Dry
2. Remove the dry c ell battery pack and measure the
3. If the voltage is l ess than 8.8 V dc, t he dry cell batter y
Backup Battery Checkout (Nonrechargeable)
2. Remove the AAA bat teries and measur e the voltage
Battery Calibration
The Battery Calibra tion Application
twice.
ROM Card Checkout
1. Remove all power source s (AC power, battery pack,
2. Reinstall the ROM card. 3. Connect to a power source. If the problem persists,
TrackPoint Checkout
Cradle Checkout
External Monitor Self-T e st
Page
Installing the ROM/DR AM Card
Removing the ROM/DRAM Card
Removing the DRAM and ROM Cards
DRAM Card
ROM Card
Brightness/Contrast Buttons Checkout
Power Management Features
Full Power Mode
Suspend Mode
Symptom-to-FRU Ind e x
Numeric Error Codes
22 IBM W orkPad z50, Mobil e Companion 22
WorkPad z50 Mobile Comp ani on 23
Function-Related Symptoms
3.
Indicator-Related Symptoms
3.
2.
Keyboard- or TrackPoint-Related Symptoms
LCD-Related Sympto ms
Peripheral Device Re lated Symptoms
Power-Related Symp to ms
Other Symptoms
Intermittent Prob lems
1. Run the diagnostic test for the mainb oard in loop
Undetermined Problems
1. Enter suspend mode. 2. Visually check th em for damage. If any problems are
3. Remove or disconnect all of the following devices:
Running the Diagnostics
1. Click Start, then Run. In th e "Run dialog window
2. Start the Advanced Diagnostic test by pressing
3. Click on a device to run the test. The test progress
PC Card Slot Test
UUID
Related Service Procedures
Power
Microphone
Notification
Application Launching Key Assignments
Removing and Replacing Defective FRUs
Page
Important Notice
But:
Page
Removal reference
Page
1020 ROM/DRAM Card
Page
Page
1040 Keyboard Assembly
Page
Attention!
1060 Mainboard
1070 LCD Bezel
1080 LCD Unit
Page
1110 FPC Assembly
Page
Page
Page
Page
1170 Hardware Button Board
1180 Top Cover
Locations Front Right View
Page
Page
System Unit Parts Listing
WorkPad z50 Mobile Companion (2608-1Ax) 57
System Unit FRU List
1
2
3
4
LCD Unit Parts List
1
2
3
4
Miscellaneous and Other Parts
See the table of tools on page 26.
Option Parts FRU List
Other Parts
CRU
Power Cord
IBM power cords for a specific country are usually available only in that country:
For 2-pin power cords:
For 3-pin power cords:
Notices
Trademarks
