BenQ PE8700 service manual Benq Corporation

Page 74

D

5

 

 

4

3

 

 

2

1

D

C

B

A

RESET_DVDO

 

 

 

 

R120

0

(open)

 

 

DMD_SDA

 

 

 

 

R121

0

(open)

 

 

DMD_SCL

 

 

 

 

 

 

 

+3VA

 

 

 

 

 

+3VA

 

 

 

 

1

 

 

 

Q1

MCURESET

 

 

2

3

 

 

 

 

 

 

 

1

BSN20

 

 

 

Q2

 

SDA

 

 

2

3

 

 

 

 

 

 

1

BSN20

 

 

 

 

 

 

 

Q3

 

 

SCL

 

2

3

 

 

 

 

 

 

 

 

BSN20

 

DEINTDONE

+5VA

2

1

4

3

6

5

8

7

RP8

4.7K_RP

2

1

4

3

6

5

8

7

RP9

4.7K_RP

+5VA

+5VA

1 3 5 7

 

 

RP7

 

 

4.7K_RP

 

2 4 6 8

 

 

RESET_DVDO

SDA_5V

 

SCL_5V

 

DEINTDONE

 

 

MCEN

 

 

MCADDRSEL

 

 

FILM

 

 

SUBT

 

 

GAME

 

 

EXTGAME

 

 

CLKSPEED

 

 

Y PBPR

 

 

PICXIN

 

 

PICXOUT

R13

 

10M

X1

2

20MHZ

 

3

 

1

C41

4

C42

 

22PF

 

22PF

3 D

12

G S

BSN20

 

 

U4

 

 

1

 

 

 

 

 

 

 

20

15

 

DVRESET

VDD

2

 

SDA

DVSDA

14

 

3

21

 

SCL

DVSCL

23

 

 

 

 

 

 

 

 

 

VSYNC

PRMODE0

24

6

 

 

 

 

 

 

PRMODE1

 

 

ENABLE

 

 

7

 

 

22

5

 

SA

 

GPIO0

27

4

 

FILMBIAS

GPIO1

 

 

SUBTITLE

 

 

11

 

 

 

 

GMODE

 

 

 

12

 

 

18

13

 

EXTGMD

RX

17

25

 

MCKSEL

TX

 

 

SQMODE

 

 

26

 

 

16

28

 

YPRPB

RSVD0

 

 

WAVE

 

 

9

 

 

19

 

OSC1

Vss

10

 

8

 

 

OSC2

Vss

 

 

 

 

 

 

 

 

 

 

 

 

MCU503

 

 

+5VA

C40

0.1UF

DI_SDA

DI_SCL

LED0

LED1

 

 

+5VA

 

 

C

 

 

R8

 

R9

 

 

 

470

 

470

 

 

 

LED1 EN

LED2 EN

 

 

R10

R11

1

1

 

 

2.2K

2.2K

D2

 

D1

 

 

 

LED_1206

 

LED_1206

 

 

DI_SDA

2

2

 

 

 

DI_SCL

 

 

 

LED2

LED3

SOURCE

 

 

ON

ON

 

3:2

B

 

 

 

 

ON

OFF

 

2:2

 

 

OFF

ON

 

VID

 

 

OFF

OFF

GAME

 

Benq Corporation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

Project Code

Model Name

 

OEM/ODM Model Name

 

 

 

 

99.J5877.001

 

HT720G

 

 

NA

 

 

Title

 

MAIN BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Size

PCB P/N

 

PCB Rev.

Document Number

 

Rev .

 

<Size>

48.J5801.S02

 

S02

99.J5877.R22-C3-304-001

0

 

Date: Thursday, January 16, 2003

 

Sheet

5

o f

10

 

 

 

Prepared By

 

Reviewed By

 

Approved By

 

 

 

ANGEL HU

COLIN CHANG

 

BEN CHEN

 

 

5

 

 

4

3

 

 

2

1

Image 74
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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