IBM Z50 manual Function-Related Symptoms, Indicator-Related Symptoms, Infrared-Related Symptoms

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Function-Related Symptoms

Symptom / Error

The system does not suspend or resume when the LCD is closed or opened.

FRU / ACTION IN SEQUENCE

1.Go to “Suspend Mode” on page 20, and check that the WorkPad z50 can enter suspend mode.

2.LCD panel

3.Mainboard

The memory count (size) appears different from actual size.

The system hangs intermittently.

Go to “Memory Checkout” on page 8.

Go to “Intermittent Problems” on page 26.

Indicator-Related Symptoms

Symptom / Error

The indicator incorrectly remains off or on, but system runs correctly.

FRU / Action in Sequence

Mainboard

The external/power status LED indicator blinks from green to amber.

The battery indicator does not turn on when the battery is installed.

1.Check that a correct battery is installed.

2.Battery pack

3.Mainboard

1.Battery pack

2.Mainboard

Infrared-Related Symptoms

Symptom / Error

Unable to communicate using the Infrared (IR) Port.

FRU / Action in Sequence

1.Make sure the setup for the IR is correct. Use the WorkPad z50 Configuration utility.

2.Make sure there are no fluorescent lights near the WorkPad z50. The WorkPad z50 may receive optical noise from the fluorescent light.

3.Run the advanced diagnostic test. If an error occurs, replace the parts shown by the FRU code.

WorkPad z50 Mobile Companion

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Contents March First Edition March About This Manual Contents Vi IBM WorkPad z50, Mobile Companion Before Replacing Parts Important Service InformationFRU Replacement Strategy Safety Notices Multi-lingual Translations Safety NoticeSafety Notice IBM WorkPad z50, Mobile Companion Safety Notice Safety Information General SafetyElectrical Safety Safety Inspection Guide Use caution do not become a victim yourself Switch off powerCheck for worn, frayed, or pinched cables Handling Electrostatic Discharge-Sensitive Devices Grounding RequirementsWorkPad z50 Mobile Companion 2608 Read This First Logic card to Plastic Screw Tightening InformationPlastic to Plastic Torque DriverFollowing is not covered under warranty Page Description FeatureProduct Overview Symptoms Verified Refer To Checkout GuideAudio Checkout Keyboard Checkout Memory CheckoutPower Systems Checkout Modem CheckoutPin Voltage V dc Terminal Voltage V dc 11.1 GroundOptional Dry Cell Battery Checkout If the optional Dry Battery Calibration Application Backup Battery Checkout NonrechargeableROM Card Checkout External Monitor Self-Test TrackPoint CheckoutCradle Checkout IBM WorkPad z50, Mobile Companion Installing the ROM/DRAM Card ROM cardRemoving the ROM/DRAM Card Handling a ScrewdriverBrightness/Contrast Buttons Checkout Removing the Dram ROM CardsSuspend Mode Power Management FeaturesFull Power Mode FRU / Action in Sequence Symptom-to-FRU IndexSymptom / Error LED board Infrared-Related Symptoms Function-Related SymptomsIndicator-Related Symptoms Keyboard- or TrackPoint-Related Symptoms Symptom / Error FRU / Action in SequenceOther Symptoms Peripheral Device Related SymptomsPower-Related Symptoms Intermittent Problems Undetermined ProblemsTool Name Running the DiagnosticsPC Card Slot Test Indicator Related Service ProceduresStatus Indicators and Control Buttons ColorApplication Launching Key Assignments KeySafety Notice 6 Translation on Safety Notice 1 Translation onSafety Notice 2 Translation on Removing and Replacing Defective FRUsPage Length Important NoticeScrew Screw Type Head Unplugging and Plugging Flexible Cables Removal reference Backup Batteries 1020 ROM/DRAM Card Step Size Quantity M2.5 Color Black Torque Kgcm LengthWorkPad z50 Mobile Companion Battery Pack Keyboard Assembly Bottom Cover WorkPad z50 Mobile Companion Mainboard Step Size Quantity M2.0 Color Torque Kgcm LengthLCD Bezel LCD Unit Inverter Card and LCD Panel FPC Assembly Step Size Quantity Color M2.5 Hex Torque Kgcm LengthSpeaker MicrophonePC Card Slot Assembly Audio PortsWorkPad z50 Mobile Companion 1160 RJ-11 Assembly Hardware Button Board Top Cover Locations Front Right View Left View Right ViewRear View Bottom ViewSystem Unit Parts Listing System Unit FRU List LCD Unit Parts List CRU Power Cord For 3-pin power cordsTrademarks IBMIBM