Sony KP-XA43M31 Service Manual page 45

6-1-5. P1, UG, AND V2 BOARDS BLOCK DIAGRAMS
TU2301
SW1
SW2
BUFF
DET OUT
Q2301
AFT
SDA
SCL
SCL
SDA
CN2801
Y AMP
DVD-Y 1
Q2805,2806
GND 2
BY AMP/BUFF
DVD-BY 3
W
Q2803,2804
GND 4
RY AMP/BUFF
TO UG BOARD DVD-RY 5
Q2801,2802
CN2901 GND 6
CN2402
DVD-Y 15
VIDEO 14
GND 13
VSP
V PULSE 12
HSP
SSCP 11
Y
Y OUT
10
SEL
9
B-Y
U
B-Y OUT
8
R-Y
R-Y OUT
7
TO AG BOARD
GND
6
CN704 Y
Y IN
5
GND
4
B-Y
B-Y IN
3
5V
2
R-Y
R-Y IN
1
J2901
Y
U
V
CN2301
GND
1 L
S SYS1
2
S SYS2
3 R
AGC
4
9V
5
33V
6
R
GND
7
AFT2
8 TO AG BOARD
SUB V OUT
9 CN1102
GND
10
11 SDA
12 SCL
UG
(DVD IN)
CN2901
1 DVD Y
2 GND
3 DVD BY
W
GND
4
DVD RY
5 TO P1 BOARD
GND
6 CN2801
CN2902
DVD L
1
GND
2
S
GND
3
DVD R
4 TO AG BOARD
CN2004
HSP INV INV
Q2426 Q2424
DVD-RY RY DELAY BUFF
Q2807 Q2808
DVD-BY BY DELAY BUFF
Q2809 Q2810
BUFF
Q2430
BUFF
Q2432
BUFF
Q2431
– 44 –
KP-XA43M31/XA43M61/XA43M91
V2
(TEXT)
IC3501
TEXT GENERATOR
34 R BUFF
R OUT
Q3507
41
X IN
X3501 33 G BUFF
G OUT
12MHz 42 Q3509
X OUT
32 B BUFF
B OUT
Q3510
5V
D3503
RESET 43 35
RESET BLK
Q3502
5 SEL OUT BLK MUTE
1.0
Q3501
50
SDA
49
SCL
36
HP
37
VP
23
CVBS
Y
RY
BY
IC2802
SW FOR MAIN OR DVD
2 15 Y
DVD-Y Y OUT
5 4 RY
DVD-RY RY OUT
12 14 BY
DVD-BY BY OUT
1
M-Y
11
A
3 10
M-RY B
9
C
13
M-BY
P1
(PIP/DVD IN,PIP TEXT)
RM-967
CN3501
1 GND
2 TEXT SEL
V
3 RED
4 GREEN
TO P1 BOARD
5 BLUE
CN2401
CN3502
1 RED
2 GREEN
3 BLUE
Q
4 BLK
TO AG BOARD
Q3506 CN401
GND
5
SDA
6
SCL
7
HP
8
VP
9
SSCP
10
CVBS
11
5V
12
IC2406
SWITCH
3 BUFF Y
S(Y) Y OUT
Q2427
6 BUFF R-Y
S(R-Y) R-Y OUT
Q2429
5 BUFF B-Y
B-Y OUT
Q2428
1
M(Y)
8
M(R-Y)
14
M(B-Y)
10
CLAMP
IC2801
BUS SW
15
SCLK SCL
10 14
SW3 SDAT SDA
B-SS640.<GE.>-B/D-P3