Acer P3250 REFRESH, P3150 REFRESH service manual Disassemble DC-DC Module

Page 35

2-11 Disassemble DC-DC Module

1.Unscrew 1 screw (as red circle)

2.Disassemble DC-DC Module

3.Unplug 2 cables (as red square)

P3150/P3250/P3150 Refresh/P3250 Refresh/P3251	Confidential

2-11

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Contents P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Part Comparison ListPreface Introduction Table of ContentDisassembly Process Function Test & Alignment Procedure TroubleshootingFirmware Upgrade Appendix B Chapter Edid UpgradeAppendix a Introduction Ansi Lumens Typical Full power mode 2000 1 Full White and Black Uxga Compatible ModeVGA Front /Upper side Product OverviewRear side for P3150/P3250/P3150 Refresh/P3250 Refresh Rear side for P3251 Source Control PanelP3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential Freeze Wireless Remote Control Layout for P3251SD/USB a No DVI function Connecting the Projector System Block Diagram Bottom Cover Dimension Equipment Needed & Product Overview Disassembly& Assembly ProcessDisassemble Lamp Cover Module Disassemble Lamp Module Disassemble Top Cover Module Disassemble Zoom Ring Module Disassemble Key Pad Board ModuleDisassemble Main Board Module P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential Disassemble Color Wheel Module Disassemble Front Cover Module Disassemble Ballast Module Disassemble DC-DC Module Disassemble Thermal Switch Module Disassemble Lamp Blower Module System Fan Module Disassemble Lamp to Ballast Cable Disassemble DMD Board and DMD Chip Disassemble Engine ModuleDisassemble Speaker Module Disassemble Interrupt Switch ModuleDisassemble IR Sensor Module Screw Rod AdjustmentRe-write Lamp Usage Hour Assemble IR Sensor Module Assemble Interrupt Switch ModuleAssemble Speaker Module Assemble Engine Module Assemble DMD Board and DMD ChipAssemble Lamp to Ballast Cable Assemble Lamp Blower Module and System Fan Assemble Thermal Switch Module Assemble DC-DC Module Assemble Ballast Module Assemble Front Cover Module Assemble Color Wheel Module Assemble Main Board Module FPC Assemble Zoom Ring ModuleAssemble Key Pad Board Module Assemble Top Cover Module Assemble Lamp Module Assemble Lamp Cover Module LED Lighting Message TroubleshootingFlash Beep Sound Symptom Main ProcedureEnsure the Signal Cable and Source work Do Reset All data of the OSD Menu Procedure Procedure Test Equipment Needed Service ModeOSD Reset Test Condition Enter Burn-In ModeDefect specification table Frequency and tracking boundry Test Inspection ProcedurePC Mode Dark Pixel PixelDark Blemish Focus testColor performance Video PerformanceAudio Test VideoHDTV/ Component Test equipment Optical Performance MeasureUniformity BrightnessFul On/Full Off Contrast SD Card Test SD Card /USB flash disk Test only for P3251Check points for exterior and print pattern OthersFunctional Inspection Hardware Equipment NeededSoftware DLP Composer Lite Setup Procedure Click Next Writing system registry values Click Finish USB Driver Upgrade Procedure Firmware Upgrade Procedure P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential Waveform Download for refresh models Waveform DownloadWaveform Download for P3251 Multi-Media Firmware Upgrade only for P3251 USB Driver Upgrade Procedure P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential Multi-Media Firmware Upgrade Procedure P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential Edid Introduction Edid UpgradeEdid Program Generic Edid File Setup Procedure VGA Edid Key-In Procedure P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential Power CNN P1 P4 Setup Procedure HdmiP3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 Confidential 6Default Language Reset For P3150 refresh/P3250 refresh DC. P3150 Appendix aDecription Lamp Blower 4510 Duct AL M209X Assy Blower 4510 ModuleAssy TOP Cover Module P3150 915Assy TOP Cover Module for P3150SERVICE Assy Front Cover P3150 Assy Bottom Cover P3150 2531 203 119Assy Lamp Housing Module M209X Assy Main Board Module P3150 Assy DC-DC Module P3150 Service61.89Z06G001 Lamp Housing MG Alloy EX330 Assy Lamp Housing Module P3150Assy Speaker Module P3150 Assy Engine Module P3150 Assy Engine Module for P3150 P3250SERVICE AK. P3150 1517 DP. P3150Handle BAR 1.PE HD70 DC. P3250 85.1A326G250 Assy Blower 4510 Module P3250 Assy TOP Cover Module P3250 Assy TOP Cover Module for P3250SERVICE Assy Front Cover P3250 Assy Bottom Cover P3250 203 31 12AC Inlet Bracket P3150 Assy Main Board Module P3250 Assy DC-DC Module P3250 Assy Lamp Housing Module P3250 Assy Speaker Module P3250 Assy Engine Module P3250 85.1A526G060 AK. P3250 DP. P3250 Handle BAR 1.PE HD70 EYJ6701W02 811 00000 59 Serial Number System Definition829 Vendor Code Firmware Version MB Version Date Code II. Pcba Code DefinitionXXX Xxxxxxxxx CC XXX Eeee Pcba Code for Projector

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