Power Supply Board | Dell LM P-133ST specification

Power Supply Board

power supply board

main board

Figure 4-34. Power Supply Board Removal

To remove the power supply board, follow these steps:

1.Open the cover.

2.Remove the top assembly.

See “Top Assembly” found earlier in this chapter.

3.Remove the power supply board from the main board.

The power supply board is held in place on the main board by two connectors.

Removing and Replacing Parts 4-41

Image 77

Dell LM P-133ST manual Power Supply Board, Open the cover Remove the top assembly

Contents

659,&0$18$ Page Contents Chapter Removing and Replacing Parts Chapter Beep Codes and Error Messages Figures Index Tables Page Read This First Page Xii System Overview System Features Front View of the Portable Computer Physical Description Status Display Keyboard Indicators Diskette-Drive Access Indicator Battery Charge Gauge Password Power Conservation System Power Interrupt Assignments Interrupt Assignments Technical Specifications Technical Specifications Connectors Video Keyboard Main Battery AC Adapter Environmental Computer Visual Inspection Initial User ContactPage If an external mouse is connected, verify the following Observing the Boot RoutineIf an external monitor is connected, verify the following Page Getting Help Eliminating Resource ConflictsPage Post Beep Codes Beep Codes and Error Messages Post Beep Codes System Error Messages System Error Messages Parity error in system Faulty main board Timer circuit on main Faulty main board Running the Dell Diagnostics Recommended Tools Removing and Replacing Parts Screw Identification Screw Identification and Tightening Main Battery Removal Precautionary Measures Hard-Disk Drive Removal Remove the hard-disk drive assembly Remove any PC Cards Diskette Drive, Secondary Battery, or CD-ROM Removal Releasing a ZIF Connector ZIF Connectors Exploded View-Computer Exploded Views of Components and Assemblies 10. Exploded View-LCD Assembly 11. Exploded View-Top Assembly 12. Exploded View-Bottom Assembly Factory Repair Parts and Assemblies Factory Repair Parts and Assemblies SVC,SYS,PLN,LMP133ST BRKT,HD,12.5MM,LMP LCD,TFT,SVGA,12.1,LMP,IBM CVR,HNG,CTR,LMP TSH,WUE,SVC,LMP Naming Conventions 13. Capacitor C146 Location Deleting the Password Lift the hard-disk drive out of the bottom case Remove the hard-disk drive assembly from the computerHard-Disk Drive Diskette Drive 15. Diskette Drive Assembly CD-ROM 17. Memory Module Removal Memory Module 18. LCD Assembly Removal LCD Assembly Front Bezel Remove the LCD assembly Remove the front bezel LCD Panel Microphone Inverter Board 22. LCD Assembly Latches Removal LCD Assembly Latches Remove the power/suspend indicator Power/Suspend Indicator Remove the latches Back BezelRemove the inverter board 25. Keyboard Removal Keyboard Remove the keyboard from the computer Production Note Top Assembly Disconnect the status-display board connector Separate the top assembly from the bottom assemblyRemove the top assembly from the computer Remove the keyboard Speakers Remove the top assembly Status Display Board Remove the status display board from the top assembly Device Remove the I/R device from the top assembly Remove power button Power ButtonRemove the power button and spring from the top assembly Remove the status display board Remove the touch pad buttons Touch Pad 32. Bottom Assembly Bottom Assembly Remove the processor board from the main board Processor BoardOpen the cover Remove the keyboard Remove the power supply board from the main board Power Supply BoardOpen the cover Remove the top assembly 35. Audio Board Removal Audio Board Main Board Remove the power supply boardRemove the audio card Remove the black mylar cover on the PC Card cage Remove the main board Bend the options bay wall see Figure Open the cover Remove the main board Cache BoardPage Index Eliminating resource conflicts Error messages, 3-3,3-6 Speaker removal Specifications technical Standby mode Status display board removal