Sony KD-34XBR2 Service Manual page 4

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A BOARD SCHEMATIC DIAGRAM (1 OF 2)

1

|

2

|

3

|

4

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5

|

6

A

—

B

—

C

—

D

—

E

—

F

—

G

—

H

—

I

—

J

—

K

—

L

—

M

—

N

—

O

—

P

—

|

7

|

8

|

9

|

10

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11

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12

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13

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14

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15

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16

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17

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18

— 71 —

|

19

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20

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21

A BOARD WAVEFORMS

1

2

1.9 Vp-p (H)

6

5

0.5 Vp-p (H)

9

10

2.9 Vp-p (H)

A BOARD: IC3101 CXA2150AQ

15

14

13

- VM_LEV

- VM_DLY

VM

- VM_COR

- VM_F0

- SHARPNESS

- VM_LMT

- PRE/OVER

- SHP_F0

- F1_LEV

- SHP_CD

SHP

Y

Y_IN

20

LTI

- LT1_LEV,MODE

CB_IN

21

CLP

- SYSTEM

CR_IN

CbCr

22

CTI

- CTI_LEV

- CTI_MODE

SCL

I

2

C BUS

26

SDA

25

DECODER

F0

23

F1

24

- AFC_MODE

HS_IN

28

AFC

AFC_FIL

32

2.7MHz

DECODER

VCO

CERA

33

SCP

27

SCP

VTIM

54

VS_IN

42

COUNT

- V_FREQ

- AKBTIM

5V-DEF

9V-DEF 5V-SIG

- UP,LO_BLK

- VBLK_SW

- RST_SW

REG

IREF

18

31

29

30

55

19

KD-34XBR2

3

4

1.9 Vp-p (H)

1.4 Vp-p (H)

0.6 Vp-p (H)

8

7

3.1 Vp-p (H)

3.5 Vp-p (H)

3.3 Vp-p (H)

11

1.7 Vp-p (V)

1.5 Vp-p (V)

16

12

17

10 9

8

7

6

5

4

2

- R,G,B_CUTOFF

- LRGB2_LEV

- BLK_BTN

0~-9dB

- GAMMA,L

- PIC_ON

- PICTURE

- DCOL

- R,G,B_ON

- DPIC_LEV

- SUB_CONT

- DCOL_TEMP

- AKBOFF

- AGING_W

PABL_FIL

11

- BRIGHT

- LIMIT_LEV

- AGING_B

- SUB_BRIGHT

- WB_SW

- R,G,B_DRIVE

64

R_OUT

Y

CLP

DPIC

GAM

G_OUT

AKB

63

Y

R

YS

YS

DCOL

62

B_OUT

- DC_TRAN

R-Y

MAT

PIC

DRV

BLK

- Y_OFFSET

G-Y

YM

YM

LIMT

G

B-Y

PABL

COL

BRT

AXIS

HUE

B

CbCr

- COLOR

- COLOR_AXIS

- HUE

NTSC-JPN

58

IK_IN

- CB_OFFSET

NTSC-US

- CR_OFFSET

PAL

56

ABL_IN

ABL

NTSC-PJ

57

ABL_FIL

- ABL_MODE

CLP PULSE

- ABL_TH

CLK PULSE

- P_ABL

59

SABL_IN

- S_ABL

60

PRE_RGB

38

L2_FIL

- CLP_PHASE

- CLP_GATE

TIMING

39

HP_IN

- LEFT_BLK

- H_POSITION

- RIGHT_BLK

- AFC_BOW

34

HPROT

- SYNC_PHASE

- AFC_ANGLE

- HBLK_SW

- AFC_COMP

HD

40

H_DRV

LOOP2

HCCMP_IN

36

- V_SCROLL

- V_ASPECT

EW-FUNC

47

EW_DRV

- UP, LO_VLIN

- JMP_SW

- ZOOM_SW

-H_SIZE

-PIN_PHASE

-EW_DC

- ASP_SW

-PIN_AMP

-UP,LO_UCP,UCG

-H_COMP

-UP,LO_CPIN

-UC_POL

-PIN_COMP

AGC

W-FUNC

VOSC

DF_PARA

46

DF_PARA

- VSAW0, 1_DCL,H

- V_SIZE

- V_LIN

- VSAW0, 1_AMP

- V_POS

- V_COMP

- VSAW_SW

MP_PARA

MP_PARA

45

- S_COR

- V_ON

V-FUNC

VSAW0,1

- MP_PARA_DC, AMP

HC_PARA

HC_PARA

43

- HC_PARA_DC, AMP, PHASE VSAW0, 1_

48 49

61

1

3

41 44

15

53

52

37

50

51

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