HP Book 900 manual Reference Information HP OmniBook

Page 94

Type of Imperfection

Unipac 13" TFT, XGA

Electrical Imperfections:

Bright dots (a)

Dark dots (a)

Mechanical Imperfections:

Spots (b)

Lines (c)

Polarizer scratches (d) Polarizer dents, bubbles (e)

Imperfections Not Allowed

9 or more single bright dots.

10 or more single dark dots.

18 or more total bright and dark dots.

4 or more double bright dots.

5 or more double dark dots.

Any occurrence of triple bright dots (or triple dark dots).

Any occurrence of 2 bright dots within 15 mm.

Any occurrence of 2 dark dots within 5 mm.

5 or more spots 0-0.5 mm avg. dia.

4 or more lines 0-3 mm long.

7 or more scratches 0-30 mm long.

7 or more dents 0-0.5 mm avg. dia.

Any spot or dent over 0.5 mm avg. dia.

Any line over 3 mm long.

Any scratch over 30 mm long

Definitions of imperfections:

aBright or dark dot: A subpixel (red, green, or blue dot) that is stuck on or off.

bSpot: A point on the display that appears dark or bright and does not change in size. Caused by foreign circular matter on the backlight.

cLine: A line on the display that appears dark or light and does not change in size. Caused by contamination (lint, hair) behind the display.

dPolarizer scratch: A light line that is visible on a darker background and does not change in size.

ePolarizer dent or bubble: A light spot with a darker border that appears on a lighted display and does not change in size.

5-4

Reference Information

HP OmniBook 900

Image 94
Contents HP OmniBook Edition History Contents Figures TablesHP OmniBook Source IntroductionSources of OmniBook Information Address or NumberOmniBook 900 Models Processor OmniBook Product ComparisonsMemory Display Features and Operation OmniBook Front ViewActivating Power Modes Turning the OmniBook On and OffMain Status Lights Motherboard Checking the Status of the OmniBookKeyboard Status Lights Motherboard Fn Hot Keys Using Fn Hot KeysResetting the OmniBook Hot KeySystem Interrupts System ResourcesSystem Memory System Input/Output Addresses 100-3FF 10. DMA ChannelsSpecifications 11. OmniBook 900 SpecificationsOnline Reference Guide 12. OmniBook 900 Accessories Docks Accessory Description OmniBook Compatibility900B 900† 4150 2100/7100 Replaceable Module Diagram Internal Design13. Functional Structure Docking portRemoval and Replacement Removal Cross-ReferenceScrew Thread Size M1.4 Required EquipmentRecommended Screw Torques Torque kgfcm Torque lbfinRemoving the Battery Removal ProcedureReassembly Notes Installing a Battery PanelPart Number RAM Board Replacement Part NumbersRemoving a RAM Board Exchange Part NumberRemoving the Hard Disk Drive Hard Disk Drive Replacement Part NumbersExchange Information Removing the Hard Disk Drive Creating a Hibernate Partition Replacing Small Parts User-Replaceable Replacement ProcedureReplacing Small Parts Cover, keyboard screw Door, hard disk FootRemoving the LCD Module Display Component CompatibilityRemoving the LCD Module Removing the Keyboard Removing the Keyboard Reassembly Notes Removing the CPU Module Removing the CPU Module Reassembly Notes Removing the Display Assembly Removing the Display Assembly Reassembly Notes Removing the Top Case 10. Removing the Top Case Reassembly Notes Removing the Motherboard or Bottom Case 11. Removing the Motherboard Reassembly Notes Installing a New Serial Number Label Removing the Bios IC 13. Example of Serial Number Label14. Removing the Bios IC Reassembly Notes Removing Other Components Removing Display Components Cable, display power Case, displayHinge Latch, display LCD module Removal Procedures Component Bezel, display Cable, display flexRemoving Top Case Components 10. Removing Bottom Case ComponentsSupport, hinge left Removal Procedures Component HeatsinkComponent Support, hinge right Removal Procedures Troubleshooting and Diagnostics Troubleshooting Troubleshooting the ProblemVerifying the Repair Suggestions for Troubleshooting Scope of Diagnostic ToolsSymptom Troubleshooting SuggestionsStartup Repair Center Likely Causes Power/BatteryCall Center Suggestions Repair Center CommentsWhite display Erratic display Symptom Keyboard Pointing stick Call Center SuggestionsSerial/Parallel AC adapter MiscellaneousAccessories OmniBook Diagnostic Program Diagnostic ToolsCreating a Diagnostic Floppy Disk Running the Diagnostic Test Serial number Audio deviceOmniBook Diagnostic Error Codes Code Suggestions System TestsHard Disk Tests Video Tests Acpi Tests Post Terminal-Error Beep Codes Power-On Self-TestPost Messages System battery is dead Replace and run Setup Message DescriptionEntering Setup Sycard PCCtest 450 CardBus Card Optional Lower slot PCT450 -b69 -0Using the DMI Interface Installing the DMI PackageUninstalling the DMI Package Desktop Management Interface DMIContents of the DMI Package Bios Setup Menus and Parameters Bios Setup UtilityRunning the Bios Setup Utility Main Menu DefaultSystem Devices Menu Default Security Menu DefaultOB 900B On OB 900† Off Power MenuBoot Menu Default Exit MenuReplaceable Parts Exploded View OmniBook Replaceable Parts IC, Bios Exchange User Part Number ReplExchange Part Number User Repl OmniBook 900B 900† Display Components Assembly-Component Breakdown Accessory Replaceable PartsReplaceable Parts HP OmniBook Part Number Exchange Part Number ReferenceDescription User OmniBook Repl 900B 900† Yes HP OmniBook Replaceable Parts Replaceable Parts HP OmniBook Part Number Exchange Description User OmniBook Repl B 900†Page Password Removal Policy Reference InformationHewlett-Packard Display Quality Statement Reference Information HP OmniBookElectrical Imperfections OmniBook 900 LCD Guidelines TFTType of Imperfection Mechanical ImperfectionsReference Information HP OmniBook Obsolete Parts Obsolete Repair PartsObsolete New Description Part Number Page Page Part Number F1770-90001