Hitachi service manual IC3401, IC3701, LV4149W, IC1301 UPD168153

1234

S-19 IC BLOCK

	IC3401	GND	SYNCIN	-B/BY	-R/RY	G/Y	Vcc1 +3V	REF	OUTDA	COMREF	COMOUT	COMDC	PSIGOUT
F	CXM3009TQ
	LCD DRIVER	48	47	46	45	44	43	42	41	40	39	38	37

DA OUT

DA

PICTURE-

SYNC

GAIN

PICTURE-FO

MODE

SEP

+5V

VCOREF

1

36

SYNC

ATT

COM-

Vcc2

PICTURE

COM-DC

2.5V

LEVEL

SEL

SYNC

FILTER

2

ATT

HUE

MATRIX

35

G OUT

COM- COM-DC

ATT

COLOR DL

SEL

VCO

LEVEL

GND

3

CLOCK

34

R OUT

GENERATOR

HUE COLOR

RPD

4

PHASE

33

B OUT

COMPARATOR

LPF

SUB-

CONTRAST

USER-

E

+3V

TRAP

CONTRAST

BRIGHT

5

32

GND

Vcc1

CK

LPF TRAP SUB-

SUB-

CONTRAST

USER-

POL

SEN

6

RP

CONT R CONT B

BRIGHT

POL

31

GND

IR

GAMMA1

SUB-

S/H

W/B

GAMMA2

BRIGHT

LIMITER

POL

SCK

7

SERIAL

30

GND

I/F

-1

-2

SUB-

SUB-

BRIGHT R BRIGHT B

+3V

SDAT

8

29

VDD

TEST1

9

STD

BLK

FRP XCLP

XSTBY

SH1 SH2 SH3 SH4

28

VDO

SERIAL

H.FILTER

I/F

XCLR

10

27

HDO

D

PLL

TIMING GENERATOR

VD 11

COUNTER

26

POF

GND 12 25 GND

			13	14	15		16	17	18	19	20	21	22		23	24
	IC6103		RGT	HCK1	HCK2		WIDE	HST	VDD +3V	PCG	XSTB	DWN	EN		VCK	VST
	AN2903FJQ-V
	VIDEO AMP
		48	47	46	45	44	43	42	41	40	39	38	37	36	35	34	33
		GND			AND			IF		GND
				DY
												GCA
C	49		15dB																32
												3dB
																ATT
	50																		31
		DV			STB											-9dB
		15dB													LPF
	51				DOS		DOS									BUFF			30
											CLAMP
						W		B
	52				MIX														29
	53	15dB																	28
		DC
	54						DOS			GCA					BPF	BUFF	ATT	GND	27
								B			3dB						-9dB
	55	S-DC																	26
																		EVR
B	56																	CTL	25
																		VREF
	57											EVR	MUTE					LPF	24
	58	VREF										EVR	MUTE					LPF	23
		SP
	59																	VCC	22
	60												MUTE			MUTE		MUTE	21
																		TC
	61	VCC					DC SHIFT				DC SHIFT	DC SHIFT				DC SHIFT		MUTE	20
		SP																CTL
	62		VCC															MUTE	19
																		CTL
A	63	GND			2.2K														18
		SP
	64																		17
					1/2VCC
		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
		1				2							3						4

5

6

7

8

IC3701

SIGCENT

VCC2

FBR

ROUT

FBG

GOUT

GND2

FBB

BOUT

VCCCOM

COMOUT

GNDCOM

FBCOM

CSHO

CSVO

SHIN

EVF DRIVER

LV4149W

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

SIG.C

Buf

Buf

Buf

Buf

COM DC

BLKL1

VCC1

49

RMTL1

32

VSS2

OSDOUT 50

Buf

POL SW

POL SW

31

VD

NC

51

R-BRT

SUB

COM

30

ENB

B-BRT

BRIGHT

COM-BRT

BRIGHT

VREG 52

REG

CONT

R-CONT

BRIGHT

BRT

29

XENB

VGATE

VCNT

VPAL1

SUB

RIN

53

CLAMP

CNTRST

28

CKV1

CNTRST

S/H

GIN

54

CLAMP

CNTRST

B-CONT

VPIN

VPAL2

27

CKV2

GAMMA-2

BIN

55

CLAMP

CNTRST

SUB

GAMMA

26

STV

GAMMA-1

FRP

CNTRST

BRT

VCO-ADJ

RESET

56

CONT

COM-BRT

25

XSTV

R-BRT

D/A

R-CONT

B-BRT

B-CONT

SYNC IN

57

M FILTER

SYNC SEP

V SEP

GAMMA-1

BLKL1

24

DSG

GAMMA-2

RMTL1

SIG C

COM DC

VSEP IC

58

23

XDSG

VDIN

59

HAFC

HCNT

22

TEST7

PLL COUNTER

HDIN

60

L DECODER

H-PULSE

21

TEST6

TEST1

61

IN/EXT

CLP

20

CKH1

TEST2

62

SPLK

19

CKH2

HGATE

PD

H-SKEN DET

CLPIN

63

18

STH

VCO

VCOADJ

GND1

64

17

XSTH

SERIAL

BLSW BLHD

HD

BUS I/F

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

VDD1

RPD

VSS1

TEST4

TEST5

LOAD

DATA

SCLK

TEST8

TEST3

VDD2

VDD0

BLSW

BLHD

HD

VSS0

IC1301

UPD168153

RESET

OSC IN

VDD

H.G.

HO+

F.No

HREF

FOCUS/ZOOM/IRIS DRIVE

EXT

HR

VH-

VH+

HO-

36

35

34

33

32

31

30

29

28

27

26

25

VM

37

H2

24

REFO

A1

38

H3

H1

23

REFI

A2

39

CH

H0

22

CONT+

B1

40

OUTPUT

21

CONT-

STAGE

H4

PGND

41

20

CONT

OUT

B2

42

1/N

19

VSHT

D2

43

18

IRM-

PGND

44

D/A

17

PGND2

CH

CONVERTER

D1

45

&

16

IRM+

OUTPUT

DRIVE

STAGE

CONTROL

C2

46

IRIS

15

VIR

H5

LOGIC

C1

47

14

EIR+

VM

48

SERIAL-PARARELLE

13

EIR-

DECORDER

1

2

3

4

5

6

7

8

9

10

11

12

EXT

SDATA

SCLK

LATCH

VD

OPEN

CLOSE

LGND

VAMP

CEXT

VB

REG(B)

5

6

7

8

F

E

D

C

B

A

S - 14