Sony KP-44PX3 Service Manual page 36

7-1. BLOCK DIAGRAMS (2)
IC9413
CN9402
5 RIGHT
2
7 LEFT
6
FRONT
IC9414
SCREEN
1 UPPER
2
3 LOWER
6
IC9420 IC9401
DF FILTER DSP PJE
D FOCUS
DF B CLK
6 84 61
DF
7 W CLK 1 62
DF-V
2 1 RV OUT 1 64
GV OUT 1 67
BV OUT 1 68
XWC
5
RH OUT 1 69
SDAM
6
GH OUT 1 70
SCLM
7
BH OUT 1 71
X BUSY
RE-YS/YM
10
YS OUT 55
X MUTE
12
YM OUT
X RAM CLR YM OUT 52
13
X RESET RE-B
14 B OUT 51
V BLK OUT 4 RE-G
23 G OUT 44
H BLK OUT RE-R
24 R OUT 39
CK OUT HP
27 HP IN 37
ODE V OUT VSYNC
32 V SYNC IN 30
R IN H CENTRE
56 PWM 26
G IN
57 Y SIN 60
D9402
B IN
58 V BLK OUT 3 22
V BLK OUT 2 21
D9401
X MUTE
IC9400
PJED CPU
VXWC
O/NVM
55 YS 36
WRITE PROT
SDAM /BINT
47 SDA /BINT 6
SDA XTAL
46 11
SCLM
SCL
49
EXTAL 12
X BUSY
BSY V SHIFT
27
V SHIFT 52
X MUTE
62 MUTE H SHIFT
H SHIFT 53
X RAM CLR
64 RAM CLR
X RESET
61 RST
VP
44
X BLK OUT
8 VBLK
H BLK OUT
7 HP
CK OUT
SEN-R 39 EXEC
1
IC9402
ODE V OUT
SEN-LE 4 EXODD /RESET 9
7 XWC
WP R IN
7
32 R
PSCL
PCLK G IN
6
33 G
PSDA
SEN-U PDAT 5 B IN
B
1 34
SEN-LO ATTEN MAIN SDA 48
ATTEN
7 63
SEN-R
SEN-R
16
SEN-LE MAIN SCL 50
17 SEN-LE
SEN-U
18 SEN-U
SEN-LO YM 37
15 SEN-LD
Q9414 Q9412
Q9413 Q9415
IC9407
D-A CONVERTOR
B CLK
4 B CLK RH
RH 8
W CLK 1
5 W CLK OUT C
OUT C 25
RV OUT 1
46 DRV GV
GV 33
GV OUT 1
2 DGV RV
RV 12
BV OUT 1
DBV GH
3
GH 16
RH OUT 1
DRH BV
48
BV 41
GH OUT 1
DGH BH
47
BH 37
BH OUT 1
1 DBH
XMUTE
45 MUTED
SWITCHES
Q9405, Q9406
MUTE
Q9408
-V
/REGI MUTE
X9401
OUT C
Q9403
IC9405
RH FILTER & AMP
1 6
IC9403
OUT C
2 5
4 RH RH
3 7
IC9406
RV FILTER & AMP
SDAT
Q9416 1 6
OUT C
2 5
SCLK RE-YS RV RV
Q9417 Q9407 3 7
- 36 -
H-SHIFT 1
RE-YS/YM 2
RE-B 3
RE-G 4
RE-R 5
SCLK 7
SDAT 8
/BINT 9
PSCL 11
PSDA 12
RH 14
RV 15
GH 17
GV 18
BH 20
BV 1
/REGI MUTE 2
VP 4
HP 5
IC9409 IC9411
GH FILTER & AMP BH FILTER & AMP H CENT 7
1 6 1 6 V SHIFT 8
OUT C OUT C
2 5 2 5 DF 10
GH GH BH BH
3 7 3 7 DFV 11
HC PARA 13
NOT
IC9408 IC9410
ABL 14
USED
GV FILTER & AMP BV FILTER & AMP
1 6 1 6
OUT C OUT C
2 5 2 5
GV GV BV BV
3 7 3 7
AD ( )
PJED, REGI
CORRECTION
CN9400
TO D BOARD
CN8026
CN9401
TO D BOARD
CN8027