Sanyo PLC-XU45 service manual Circuit Block Diagram

■ Circuit Block Diagram

IN

PX+-, CLK, DATA

IC8001

10

D_BE0-7

D_GE0-7 D_RE0-7

IC1391

COMPUTER

77

80

D_B00-7

D_G00-7

D_R00-7

DIGITAL

DVI

R,G.B

DVI

GHS

SRAM

ANAOG

90

I/F

48

2

IC8081

16

TP25B1

H, V

64

BUFFER 18

GVS

D0-D15

TP25B2

IC5211

46

IC5241

A0-A19

IC1341

CG1/CG2-RGB-SW

AV/PC-RGB-SW

FLASH ROM

IC501

1

R

8

TP52R

R

TP201R

DBB0-9

S&H_B1

B-LCD

G

IC5271

133

34

3

20

10

20

7

B

IC401

PANEL

5

12

TP52G

G

TP201G

B

IC3501

IC5281

IC1401

18

R

18

TP52B

TP201B

15

GB00-7

DIGITAL

B_LEVEL

G

1

IC5291

B

IC201

GBE0-7

DB0-9

DIGITAL

DGB0-9

COLOR

IC1501

SHIFT

16

3

16

22

GG00-7

DGB0-9

A/D

GGE0-7

IC301

DG0-9

BRIGHTER

DGA0-9

UNIFORMITY

S&H_B2

B

5

DR0-9

DRA0-9

TP25G1

IC3011

TP205

GR00-7

SCAN

CONTROL

CORRECTION

MONITOR

22

22

IC6171

IC251

GRE0-7

TP25G2

RGB AMP

HAFC

CONVERTER

TIMING

SDA2_5

AFC

HSYNC

RGB

CG1/CG2-SW

17

13

40

SYSTEM

CONTROL

DRB0-9

IC531

SCL2_5

16

DET

IC5251

H

29

30

5,4

9,1

2,3

G

G-LCD

H-SYNC

PC/AV-SW

1 2

CONTROL

TPDHS

6,7 13

S&H_G1

IC6201

IC6241

AV/PC

IC6271

P-SDA2

119

IC3531

PANEL

IC6251

TPDVS

V-SYNC

SYNC-SW

BUFFER

323

120

SYNC-SW

SYNC DET.

INVERTER

TP62H

P-SCL2

244

121

G_LEVEL

H

H

DHS/DVS

IC1531

SHIFT

H

H

HS

3

9

2

13

1

12

1

15

2

3

34

IC3041

S&H_G2

22

INVERTER

V

V

2

TP62V

V

TPCLK

V

5

8

5

11

5

8

13

14

5

6

VS

133

240

TURBO_1

12

3

100 101

DCLK

TP3551

H

V

10 11

6

TP25R1

VIDEO_RGB

SCLK1

IC3551

TP25R2

SCL2_5

SDATA1

NRS

P-SDA2

S_SW TP11SC

SDA2_5

AV/PC

IROMURA_CS_1

IC561

IC6101

IC3101

P-SCL2

IC4881

TP11SY

AV_HSYNC

INVERTER HD_HSYNC

S&H_R1

R-LCD

43

13 14

BLANKING

TEMP

R

IC3561

S-VIDEO

AV_VSYNC

RGB

44

9

13

8

HD_VSYNC

55 56

39

1

SENSOR

PANEL

TP11PR

Cr

4

11

4

3

R

1

R_LEVEL

37

17

IC1101

1

R

13

IC3121

5,7,3

SHIFT

TP11PB

12

66

IC4101

35

15

2

IC1561

Cb

VIDEO

5

10

65

G

IC1871

22

18

29

RGB

G

4

IC2131

IC2881

BUFFER

S&H_R2

TP11CV

DECODER

HS_OUT

Cr

28

MATRIX

B

B

TEMP

15,13,17

19

21

VS_OUT

67

2

14

IC3141

3

22

SENSOR

TP3581

IN

Y/CV

5

7

23

Cb Y

69

5

IC1581

7

73

74

75

12

9,10

1

IC3581

VIDEO

Pr

IC2161

2

D/A

BLANK_SW

RGT

NRS

Pr/Cr

D/A

CENT

4

Cr_SW

DWN

Y

C

REF

5

Pb

CLMP

4,5,6

15

6

14

Pb/Cb

AV/PC

7

13

SCL2_5

SCL2_5

2

19

SYNC_SW

8

SDA2_5

SDA2_5

3

VIDEO/Y

Cb_SW

IC2101

Y

Y

8

2

9

BLKC_DC

9,18,19

Y/CV

DIGITAL

IC1831

IC2571

COMB

7

C

D/A

FILTER

IC2181

2

SCL1_5

D/A

NRS

IC5161

I/O

VCOM

C_SWIN

FAN_CONT

4,5

3

SDA1_5

SLK

5

C_SWIN

11

2

AUDIO MUTE

7

SDATA

2

7

3

3

IC5011

VOL_CONT

14

IROMURA_CS

12

S_SW

12

13

IC001

AUDIO-SW

Q5072

Q5071

MOUSE

16

IC1881

AUDIO

Q1818/Q1819

Q1816/Q1817

BUFFER

COMPUTER

PC_L/R

10

AV/PC

CONTROL

AUDIO

LAMP_SW1

Q2851

1

11

MUTE

LAMP

AUDIO IN

13

VOLUME

MUTE

13

IC1851

AUDIO IN

Q5031

4

7

15

2

IC1801

SCL3 SDA3

I/O

Q2865

14

Q5041

6

EEP-ROM

8

READY

VIDEO

AV_L/R

2

12

11

1

8

Q2861

AUDIO IN

12

5

SW

2

9

WARNING

Q011

IC1861

6

3

Q2856

LAMP REPLACE

80,81

79,78

96,97

29

LAMP

10

MONITOR

Q5051

1

12

35

30

ZOOM MOTOR

AUDIO OUT

Q5061

3

Q5081

IC801

91

IC5501

M

MUTE

4

29

4,5

1,7

Q5082

IC1811

RAM_A0-7

SUB

30

MONITOR DRIVE

SPEAKER

FOCUS MOTOR

SRAM

RAM_D0-7

28

CPU

IC3821

IC3841

IC5551

IC3801

33

M

MOUSE

MOUSE

IC9801

34

4,5 MONITOR DRIVE

1,7

RS232C

CONTROLLER

CONTROLLER

SRIAL

TXD

7

TXD

4

14

5

19

MOUSE

USB

PORT

10

I/F

RXD

R/C

13

12

7

12

18

CPU_TXD

USB_D+, D-

CPU_RXD

USB

BLK_ME3A

A3