Sony KP-44PX3 Service Manual page 38

7-1. BLOCK DIAGRAMS (4)
CN3601
IC3600
1 RIGHT OUT
AUDIO/VIDEO SWITCH
2 RIGHT IN V-OUT-15
LAST RF
2
AV3 IN R 34
3 LEFT OUT V-OUT-25
9 AV2 OUT CVBS
AV2 I R
35
6 LEFT IN CVBS/Y MAIN
11 CVBS Y MAIN
AV1 IN R
36
7 BLUE IN C-MAIN
13 C MAIN
DIGITAL RF
37
8 MODE SCL
AV1 14 SCL
AV1 OUT R
38
11 GREEN IN SDA
15 SDA
AV1 OUT L 39
15 RED IN MUTE
17 MUTE
AV3 OUT R 40
16 BLANKING MODE 1
18 MODE 1
AV3 OUT L 41
19 VIDEO OUT MODE 2
19 MODE 2
AV3 OUT CVBS 43
20 VIDEO IN MODE 3
20 MODE 3
Y SLAVE 45
SPEAKER-L
AV2 OUT L/SPKR L
23
CN3602 C SLAVE 47
SPEAKER-R
1 RIGHT OUT AV2 OUT L/SPKR R
24
FRONT C 49
L-ANALOG RF
2 RIGHT IN ANALOG RF-L
25
AV3 IN C 51
FRONT-L
3 LEFT OUT 26 FRONT L
FRONT Y 54
SC3 IN-L
6 LEFT IN 27 AV3 IN-L
AV3 IN Y
56
SC2 IN-L
7 BLUE IN 28 AV2 IN-L
AV2 IN Y
58
SC1 IN-L
8 MODE 29 AV1 IN-L
AV2 AV1 IN CVBS
60
L-DIGITAL RF
11 GREEN IN 30 DIGITAL RF
DIGITAL RF 62
R-ANALOG RF
15 RED IN 32 ANALOG RF-R
ANALOG RF 64
FRONT-R
16 BLANKING 33 FRONT R
19 VIDEO OUT
20 VIDEO IN
CN3603
1 RIGHT OUT
2 RIGHT IN
3 LEFT OUT
6 LEFT IN
AV3
8 MODE
15 C IN
19 VIDEO OUT
20 VIDEO IN
CN3600
1 C
3 Y/CVBS
TO H1 BOARD
5 L J (
CN2909
8 R
BUFFER
V-OUT-35 V-OUT-3B
AMP
SC3-IN-R
Q3656
SC2-IN-R
BUFFER
SC1-IN-R V-OUT-25 V-OUT-2B
AMP
Q3657
R-DIGITAL RF
SC1 OUT-R
BUFFER
V-OUT-15 V-OUT-1B
SC1 OUT-L AMP
Q3658
SC3 OUT-R
SC3 OUT-L BUFFER
SC2-OUT-R SPEAKER R
AMP
V-OUT-35
Q2602
CVBS/Y SLAVE
BUFFER
C SLAVE SC2-OUT-L SPEAKER L
AMP
C-FRONT Q2603
C-IN-3 CVBS DIGITAL RF
Y/CVBS-FRONT CVBS/Y MAIN
V-IN-3 C-MAIN
V-IN-2 CVBS/Y SLAVE
V-IN-1 C SLAVE
V-DIGITAL RF BLUE 1
V-ANALOG RF GREEN 1
9V
MUTE SWITCH RED 1
Q2604
AC ON-OFF BLK 1 FS1
GREEN 2
BLUE 2
BLK 2
RED 2
L-DIGITAL RF
R SPEAKER/HP
L SPEAKER/HP
R-DIGITAL RF
L-ANALOG RF
R-ANALOG RF
AV LINK
SDA
SCL
CVBS/ANALOG RF
)
AV SCART I/O
SWITCHING AND
SOCKETS
T6003
CN6001
3 4
5 AC(L)IN
TO F1 BOARD
CN3604
1 AC(N)IN
CN6401
1
2 1
3
4
6
7
9
10
11
12
CN6008
14
4 STBY AC
15
TO A BOARD 5 STBY AC
TO A BOARD
16 CN6200
1 MAIN RY
CN3002
17
19
20
22
23
G ( )
POWER
25
SUPPLY
26
29
32
33
35
- 38 -
RELAY MAIN RECT
RY6001 D6011
IC6002
MAIN BRIDGE RECTIFIER
T6100
1 V SENSE VD 18
SWITCHING
1 7
CIRCUIT
2 F/B VG 16
MOSFET
Q6004
3 CT
4 RT VS 15
2 8
RECT
D6104 6 TIMER VB 14
SWITCHING
7 SS
CIRCUIT
3 9 VG (L) 12
MOSFET
8 VC 1
Q6003
VC 2 10
9 OCP
4
Q6102
D6012
+6V
T6002
18
RECT
+11V
D6025
17
10
RECT
+135V
D6024
11
16 +19V
RECT
2 D6027
-19V
12
D6031
1
15 +15V
3
14
4 13 -15V
CN6012
D6030
3 9 AU(+) 1
AU(+) 2
RECT
8 TO A BOARD
D6026
AU GND 3
CN6202
7
AU GND 4
4 1
1
3 2 2
IC6004
PH6001
PHOTOCOUPLER