Main
First Edition (March 1999)
About This Manual
Contents
Page
Introduction
Important Service Infor mation
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 Guide
Page
Handling Electrostatic Discharge-Sensitive Devices
1. Use product-specific ESD procedures when th ey
2. Make sure that the ESD protective devices you
Grounding Requirements
WorkPad z50 Mobile Companion 1
WorkPad z50 Mobile Compan ion (2608) Read This First
Before you go to the ch eckout guide, be sure t o 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 problem with the
1. Play an audio file. If no sound is heard, go t o the
Microphone Checkout: If you suspect a problem with the
1. Press the microphon e button and record and
Keyboard Checkout
Memory Checkout
Modem Checkout
1. Open the Terminal program. Double click the Make
2. Click Configure. In the Device Properties
3. Issue the ATA comman d. 4. If there is no sound, repla ce 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 less t han 11.1 V dc, the batt ery pack
Checking Operational Charging:
Optional Dry Cell Battery Checkout: If the optional Dry
2. Remove the dry cell b attery pack and measu re the
3. If the voltage is less t han 8.8 V dc, the dry c ell battery
Backup Battery Checkout (Nonrechargeable)
2. Remove the AAA batter ies and measure the v oltage
Battery Calibration
The Battery Calibration Application
twice.
ROM Card Checkout
1. Remove all power sources (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-Test
Page
Installing the ROM/DRAM Ca rd
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 Index
Numeric Error Codes
22 IBM WorkPad z50, Mobi le Companion 22
WorkPad z50 Mobile Companion 23
Function-Related Symptoms
3.
Indicator-Related Symptoms
3.
2.
Keyboard- or TrackPoint-Related Symptoms
LCD-Related Symptoms
Peripheral Device Related S y mp to ms
Power-Related Symptoms
Other Symptoms
Intermittent Problems
1. Run the diagnostic test for the mainboard in l oop
Undetermined Problems
1. Enter suspend mode. 2. Visually check them f or damage. If any pr oblems are
3. Remove or disconnect all of the f oll ow in g d evic es:
Running the Diagnostics
1. Click Start, then Run. In the "R un 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 specifi c country are usually available only in that country:
For 2-pin power cords:
For 3-pin power cords:
Notices
Trademarks