Sony SUHS1, VPLHS1FP, RMPJHS1 service manual M52347FP IC405 CXA1875AX IC406, 74VHC240MTCX IC407

Q Q

M52347FP (IC405)

CXA1875AX (IC406)

ADJUSTOSD

OUTPUT(B) VCC2(B)

HOLD(N)

SUB BRIGHTMESST (B)

GND2(B)

OUTPUT(G)

VCC2(G)

HOLD(G)

SUB BRIGHTNESS

(G)

GND2(G)

OUTPUT(R) VCC2(R)

HOLD(R)

SUB BRIGHTNEDD (R)

GND2(R) NC

MAIN

BRIGHTNESS

VCC

SCL

SDA

SAD2

SAD1

SAD0

SW3

SW2

16

15

14

13

12

11

10

9

36

35 34

33

32

31

30 29

28

27

26

25 24

23

22

21 20

19

LEVEL

LATCH

LEVEL

OPEN COLLECTOR

CONVERTER

CONVERTER

B

B

G

G

R

R

LEVEL

OSD MIX

BRIGHTNESS

OSD MIX

BRIGHTNESS

OSD MIX

BRIGHTNESS

CONVERTER

I2C DECODER

POWER

B

B

B

ON

RESET

HOLD

HOLD

HOLD

LATCH

LATCH

LATCH

LATCH

LATCH

B

B

G

G

R

R

AMP

BLANKING

AMP

BLANKING

AMP

BLANKING

–

DAC

DAC

DAC

DAC

DAC

+

REG

VCC

AMP

AMP

AMP

AMP

AMP

B

B

G

G

R

R

CLAMP

CONTRAST

CLAMP

CONTRAST

CLAMP

CONTRAST

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15 16

17

18

H.STATE

VCC1(B)

INPUT(B)

SUB BRIGHTNESS (B)

OSD IN(B)

GND2(B)

VCC1(G)

INPUT(G)

SUB CONTRAST (B)

OSD IN(G)

GND2(G)

VCC1(R)

INPUT(R)

SUB CONTRAST (R)

OSDIN(R) GND2(R)

MAIN CONTRAST CP IN

1

2

3

4

5

6

7

8

SW1

SW0

DAC4

DAC3

DAC2

DAC1

DAC0

GND

74VHC221AMTCX (IC408)

24LC21AT/SN (IC401)

M52758FP (IC403)

TC4053BF (IC701)

1Rext/

1

2

Vcc

ROUT

GND

N.C.

N.C.

Vcc

GOUT

GND

Vcc

BOUT

GND GOUT

Vcc N.C.

HOUT

VOUT

GND

SW

VDD

COMB.

COMA.

A1

Vcc

Cext

Cext

1Q

2Q

CLR

2B

2A

16

15

14

13

12

11

10

9

H/V

36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19

GENERATOR

16

15

14

13

SDA

5

I/O

MEMORY

EEPROM

VCLK

7

CONTROL

CONTROL

XDEC

ARRAY

Q CLK

SCL

6

LOGIC

LOGIC

Q

PAGE LATCHES

CLK Q

Q

VCC

8

YDEC

VSS

4

SENSE AMP

1

2

3

4

R/W CONTROL

1

2

3

4

5

6

7

8

9

10 11 12 13 14 15 16 17 18

B1

B0

C1

COM

1

2

3

4

5

6

7

8

1A

1B

1

1Q

2Q

2

2Rext/

GND

1 2 3

Vcc

Ain1

Vcc

N.C.

Gin1

Vcc

Bin1

Hin1

Vin1

GND

Ain2 GND

Gin2 N.C.

GND

Bin2

Hin2

Vin2

C.

CLR

Cext

Cext

NC NC NC

74VHC240MTCX (IC407)
Vcc	2G	1Y1	2A4	1Y2	2A3	1Y3	2A3	1Y4	2A4
20	19	18	17	16	15	14	13	12	11
1	2	3	4	5	6	7	8	9	10
1G	1A1	2Y4	1A2	2Y3	1A3	2Y2	1A4	2Y1	GND

A0	A	B	C
12	11	10	9

5	6	7	8
C0	INH	VEE	VSS

7-307-30

VPL-HS1