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IBM s37l-2095-00 First Edition (March 1999)

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© Copyright IBM Corp. 1999 iii

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on page 61.

First Edition (March 1999)

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Contents

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