BenQ PE8700 service manual Contents

Page 2

 

Contents

 

1.

Safety Precautions

2

2.

Servicing Precautions

2

3.

Engineering Specification

3

4.

Spare Parts List

23

5.

Block Diagram

24

6.

Packing Description

25

7.

Appearance Description

26

8.

Alignment Procedure

28

9.

Trouble Shooting Guide

39

10. Factory OSD Operation

49

11. Firmware upgrade procedure

56

12. RS232 Codes

58

13. Schematics

69

1

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Contents DLP Projector Contents Safety Precautions Servicing PrecautionsEngineering Specification MinimumPage Hdtv IEC Vcci General requirements ContentAppendix a Optical Measurement Practical consideration A1. BrightnessA2. Brightness Uniformity A5. Peak Contrast A9. Zoom Ratio Test Summary Appendix B Design Verification Test ProcedurePurpose Definition Test OrderAppendix C Drawings and Attachments Page Appendix D HD2 Front Projection Image Quality Specification White test screen Gray 6 test screenGray 10 test screen Black test screen· Refer to for acceptance criteria, in specified order Red Ramp test screenTest Conditions as tested in OEM projector 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 OSD Default value used for color delay alignment Alignment ProcedureProcedure EquipmentSelect Save Setting at Factory OSDFactory OSD Default value used for DVI-Analog color alignment Offset adjustment at low brightness AD R, G, B offset Procedure Black Level Adjustment DLP brightnessWhite Level Adjustment AD contrast---R,G,B gain YPbPr Component Equipment User setupwhite C15400k C26500k C37500kOSD Default value used for Ypbpr color alignment 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 LevelGray Level for Composite Video & S-Video Equipment OSD Default value Value USERPictureProcedure Gray Level 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 Openable Dvdoreset DeintdoneMcureset Mcureset TriggerBenq Corporation DIIN7 DIIN8DIIN9 DIIN6 DIIN4CLK54 22DETECT ResetdvdoInterlacedetect 32DETECTBenq Corporation MEMDQ14 WIRETP30 RM1OP EnableRM1CLKIN WIRETP31 CP UD0 CP UD1Resetvcc CPUA8 Resetn SDA SCLResetvcc Powerontest CP UD0 CPUS2 Resetn CPUA3 CpurdnWIRETP51 INLTCH26 WIRETP53WIRETP52 INLTCH25 WIRETP46 INLTCH27This PIN only for Test MEMDQ30 MEMDQ1 MEMDQ31 MEMDQ0MEMDQ15 MEMDQ48 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 CAP 1CAPP+Capp HSB BnchsVoltage level of CB/CR is Sogout Vsout ADR0Datack Hsout AdrinCR1IN CB 1IN Sogy Sogyin Sogrca Racin ResetScin Inta1TURN on Larry Lin1 RESETR111 Hsdjtr R101 ResetzdviResetzdvi RES Oclk INV Dviscl DVISCL3V Dvisda DVISDA3V
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