BenQ PE8700 service manual Voltage level of CB/CR is

Page 92

D

C

B

A

5

4

3

2

1

L39 42 OHM

+5V_AD

L40 42 OHM

D11

J3

BAV99

RCA-JACK

1

2

+5V_AD

The voltage level of CB/CR is

2

L41 42 OHM

3

L13

+5V_AD

+0.35~-0.35 , add one diode

1

OUT_COMP

1R21

182

1

2

COMPOSITE

to prevent uncertain 'ON'

(open)

1

2

2

2

RCA

FCB3216K

D12

D13

D14

error

IN

C144

R22

BAV99

BAV99

BAV99

C143

0.1UF

56

0.1UF

D15

2

3

3

3

(open)

D16

BAV99

1

2

+5V_AD

BAV99

1

1

1ERRORON1 2

1

L14

3

ERRORON2

3

OU T_YY

1R23

SVIDEO_Y1

2

18

2

Y

1

FCB3216K

(open)

L15

1

3

Cr

2

CRR

1R24

182

5

3

C145

C146

1

1

CR1

5

1

0.1UF

0.1UF

FCB3216K

R25

6

6

4

(open)

R26

4

56

2

J5

C149

C150

56

2

0.1UF

0.1UF

2

2

J4

2

1

(open)

(open)

2

1

S-VIDEO

D17

BAV99

L16

R27

1

2

+5V_AD

Cb

CBB

182

4

4

3

3

1

2

1

CB1

3

L17

18

FCB3216K

OUT_CC

1R28

SVIDEO_C1

2

2

C

6

5

1

6

5

FCB3216K

1

C151

C152

R29

(open)

(open)

R30

RCA 3 IN 1

0.1UF

0.1UF

56

C147

C148

(open)

(open)

2

56

0.1UF

0.1UF

2

+5V_AV

Y C

L18

Y C C

1R31

182

1

2

Y1

FCB3216K

U5

1

Y C C

R124

0

YCC_ U5

1

24

IN0A

VCC

R35

2

23

DGND

OE

CBB

R125

0

CBB_U5

3

22

MUX_BUFFER

C153

C154

56

IN1A SEL A/B

4

21

0.1UF

0.1UF

2

CRR

R126

0

CRR_U5

GND

VCC

MUX_YP

1R36

0 2

5

20

O_COMP_Y

(open)

(open)

IN2A

OUT0

6

VCC

VEE

19

MUX_PB

1R37

0 2

7

18

VEE

OUT1

O_COMP_CB

L_Pr

8

17

IN2B

VCC

MUX_PR

1R38

0 2

9

16

O_COMP_CR

GND

OUT2

L_Pb

10

15

+5V_AD

IN1B

VEE

11

14

GND

DVCC

1

1

1

1

L_Y_G

12

13

IN0B

VCC

AD8183

-5V_AV

R70

R71

R72

R39

56

56

56

1K

2

2

2

2

This MUX is BUFFER of

(open) (open)

Composite and

(open)

S-Video

-5V_AV

+5V_MUX

Open if -5V is not necessary

+5V_AV

-5V_AV

+5V_MUX

L19

Z1000/100MHZ

+5V_AD

C26

U6

+5V_AD

1

1

10UF/16+

1

NC

V+

8

+

+

Benq Corporation

2

1CAPP+

2

CAP+

OSC

7

C29

C30

C31

C27

C28

C32

C33

C34

C35

C36

C37

3

GND

LV

6

CAPP-

4

5

2

0.1UF

0.1UF

0.1UF

2

10UF/16

2

10UF/16

0.1UF

0.1UF

0.1UF

0.1UF

0.1UF

0.1UF

Project Code

Model Name

OEM/ODM Model Name

CAP-

VOUT

99.J5877.001

HT720G

NA

ICL7660A

C38

10UF/16

For AD8183

Title

CONNECTOR BOARD

1

+

Size

PCB P/N

PCB Rev. Document Number

R ev.

<Size>

48.J5810.S02

S02

99.J5877.R22-C3-304-004

0

Date:

Monday, February 17, 2003

Sheet

3

o f

8

Prepared By

Reviewed By

Approved By

ANGEL HU

ALEX HY TSENG

BEN CHEN

5

4

3

2

1

D

C

B

A

Image 92

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 Gray 6 test screen Gray 10 test screenWhite 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 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 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 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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