BenQ PE8700 service manual Case x1x0 & y1 y0

Page 36

Case x1>x0 & y1 > y0 :

 

y =.331

 

x =.291

 

x =.281

 

 

dec. Pb

x0 =.281

y0 =.311

x0 =.281

x =.301

 

 

 

y =.321

x =.291

 

 

dec. Pb

x0 =.281

y0 =.311

x0 =.281

Case x1<x0 & y1 < y0 :

 

 

inc. Pb

x0 =.281

y0 =.311

x0 =.281

x =.271

 

x =.281

 

 

 

y =.291

 

 

 

dec. Pb

x0 =.281

y0 =.311

x0 =.281

y =.301

x =.271

 

x =.261

 

Case x1>x0 & y1 < y0 :

x =.291

inc. Pr

x =.281

 

x0 =.281

y0 =.311

x0 =.281

 

y =.291

 

x =.301

 

 

 

inc. Pr

x =.291

 

 

x0 =.281

y0 =.311

x0 =.281

 

y =.301

 

Case x1<x0 & y1>y0

 

y =.331

 

 

 

dec. Pr

x0 =.281

y0 =.311

x0 =.281

x =.271

 

x =.281

 

 

 

y =.321

 

 

 

dec. Pr

x0 =.281

y0 =.311

x0 =.281

x =.271

x =.261

 

dy=.01

 

 

 

 

 

y =.321

1/2dy=0.005

 

y =.316

 

 

 

dec. Pb

 

dec. Pr

 

 

 

 

 

 

 

 

 

 

 

 

 

y0 =.311

 

x0 =.281

y0 =.311

x =.281

 

y =.311

 

 

 

 

x =.276

 

 

 

 

 

dx=.01

 

 

 

 

 

y =.311

1/2dx=0.005

 

 

 

 

 

dec. Pb

x =.286

 

inc. Pr

 

 

 

 

 

 

 

 

 

 

 

 

y0 =.311

 

x0 =.281

y0 =.311

x =.281

 

y =.311

 

 

 

 

 

y =.306

 

 

 

 

dy=.01

 

 

 

 

 

 

1/2dx=0.005

x =.286

 

 

 

 

 

inc. Pb

 

inc. Pr

 

 

 

 

 

 

 

 

y0 =.311

 

x0 =.281

y0 =.311

x =.281

 

y =.311

 

 

 

 

 

y =.306

 

 

 

y =.301

 

 

 

 

 

 

 

dx=.01

 

 

 

 

 

 

1/2dx=0.005

 

y =.316

 

 

 

 

inc. Pb

 

dec. Pr

 

 

 

 

 

 

 

 

 

 

 

 

 

y0 =.311

 

x0 =.281

y0 =.311

x =.281

 

y =.311

 

 

y =.311

 

x =.276

 

 

 

 

 

dy=.01

 

 

 

 

 

 

1/2dx=0.005

x =.286

 

 

 

 

 

inc. Pb

 

inc. Pr

 

 

 

 

 

 

 

 

y0 =.311

 

x0 =.281

y0 =.311

x =.281

 

y =.311

 

 

 

 

 

y =.306

 

 

 

y =.301

 

 

 

 

 

 

 

dx=.01

 

 

 

 

 

y =.311

1/2dx=0.005

 

 

 

 

 

dec. Pb

x =.286

 

inc. Pr

 

 

 

 

 

 

 

 

 

 

 

 

y0 =.311

 

x0 =.281

y0 =.311

x =.281

 

y =.311

 

 

 

 

 

y =.306

 

 

 

 

dy=.01

 

 

 

 

y =.321

1/2dy=0.005

y =.316

 

 

 

dec. Pb

dec. Pr

 

 

 

 

 

 

 

 

 

 

 

y0 =.311

x0 =.281

y0 =.311

x =.281

 

y =.311

 

 

x =.276

 

 

 

 

 

dx=.01

 

 

 

 

 

1/2dx=0.005

y =.316

 

 

 

 

inc. Pb

dec. Pr

 

 

 

 

 

 

 

 

 

 

 

y0 =.311

x0 =.281

y0 =.311

x =.281

 

y =.311

 

y =.311

x =.276

 

 

 

 

35

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Contents DLP Projector Contents Safety Precautions Servicing PrecautionsEngineering Specification MinimumPage Hdtv IEC Vcci Content Appendix a Optical MeasurementGeneral requirements Practical consideration A1. BrightnessA2. Brightness Uniformity A5. Peak Contrast A9. Zoom Ratio Appendix B Design Verification Test Procedure PurposeTest Summary Definition Test OrderAppendix C Drawings and Attachments Page Appendix D HD2 Front Projection Image Quality Specification Gray 6 test screen Gray 10 test screenWhite test screen Black test screenRed Ramp test screen Test Conditions as tested in OEM projector· Refer to for acceptance criteria, in specified order Image Quality Specification Support Timings by DVI-I Input Analog or Digital PC signals Appendix E Supporting TimingsPage Spare Parts List Projector PE8700 99.J5877.B21Black Diagram BNCPackaging Description Appearance Description Page Alignment Procedure ProcedureOSD Default value used for color delay alignment EquipmentSelect Save Setting at Factory OSDFactory OSD Default value used for DVI-Analog color alignment Procedure Black Level Adjustment DLP brightness White Level Adjustment AD contrast---R,G,B gainOffset adjustment at low brightness AD R, G, B offset User setupwhite C15400k C26500k C37500k OSD Default value used for Ypbpr color alignmentYPbPr Component Equipment Procedure Pbpr Offset adjustment AD PB, PR Offset Gray Level AD Ypbpr Contrast, BrightnessSaturation Level Scalar Case x1x0 & y1 y0 User setupwhite C15700k C26500k C39300k Factory SDGray Level for Ycbcr Component Procedure Saturation LevelOSD Default value Value USERPicture Procedure Gray LevelGray Level for Composite Video & S-Video Equipment Additional Patterns used for color final checkTrouble Shooting Guide System trouble shootingMain board trouble shooting YESSIL504 trouble shooting U4, U2 CPU U10 trouble shooting guide DMD board trouble shooting guide YESConnector board trouble shooting guide OK?Power board trouble shooting guide 鐐 衒 蘠 耟  鞤 矏 矏 耟 礼袨 蘠 醥 袓 藜 耟  韗 齇 耟  斉 鞥 觖 罿 蘠 韘 篧 蚴 礼  誜 袨 鷘 矏 篧 袨 ゾ 篧 礼 榢 譗 む 鞥 觖蛂 豽 袕 む 醥 藜 罿袨 矏 篧 ソ 譂 Factory OSD Operation FactoryHD Adj STD AdjColor Balance Filter Bypass DLP Pattern1Pattern2 Pattern3Test Mode Firmware Upgrade Procedure Page 12. RS232 Codes Page X00 Must be Reversed , no function X57 Picture by picture display Page Following is the list of Y-group Page ACK = Y1Y Page Page Page Dvdoreset Deintdone McuresetOpenable Mcureset TriggerBenq Corporation DIIN8 DIIN9 DIIN6DIIN7 DIIN4Resetdvdo InterlacedetectCLK54 22DETECT 32DETECTBenq Corporation RM1OP Enable RM1CLKIN WIRETP31MEMDQ14 WIRETP30 CP UD0 CP UD1Resetn SDA SCL Resetvcc PowerontestResetvcc CPUA8 CP UD0 CPUS2 Resetn CPUA3 CpurdnWIRETP53 WIRETP52 INLTCH25WIRETP51 INLTCH26 WIRETP46 INLTCH27This PIN only for Test MEMDQ31 MEMDQ0 MEMDQ15 MEMDQ48MEMDQ30 MEMDQ1 MEMDQ14 MEMDQ49Cwindex Circuit FLADDR12 FLADDR16U2C CTM1M CTMN1MScrew Holes P2P5VINDDAN10 DDAN11 DDAN12 DDAN13 DDAN14 DDAN15 ScrlrDAD1000 SSI Color Wheel Drive Circuit Benq Corporation 500 OHM Vsync 1CAPP+ CappCAP HSB BnchsVoltage level of CB/CR is ADR0 Datack HsoutSogout Vsout AdrinReset ScinCR1IN CB 1IN Sogy Sogyin Sogrca Racin Inta1TURN on Larry Lin1 Hsdjtr R101 Resetzdvi Resetzdvi RES Oclk INVRESETR111 Dviscl DVISCL3V Dvisda DVISDA3V
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