Block Diagrams (1) - Sony KLV-20SR3 Service Manual

4-1. BLOCK DIAGRAMS (1)

CN9000
SWITCH
1
S9000, S9001
S9002, S9006
TO B BOARD
CN0101
SWITCH
3
S9003, S9004,
S9005
H1 ( )
CONTROL
BUTTONS
L6000 L6007
F6000
CN6003
4A
1 AC IN 2 1 2 1
BRIDGE
RECTIFIER
3 AC IN
4 3 4 3
TO A BOARD
CN2211
TO H3 BOARD
CN3702
IC6000
D6000 MAIN BRIDGE RECTIFIER
F/B 2 PH6001
PHOTO-
SWITCH
COUPLER
VGH 23 Q6003
VS 22
VGL 20
BUFFER SWITCH
1 V SENSE
Q6000 Q6004
OCP
16
15 VC1
BUFFER AMP
Q6001
Q6005, Q6010,
PHOTO-
Q6002
Q6009
COUPLER
PH6000
IC6100
STANDBY CONTROLLER/DRIVER
5 2
3
7
8 4
T6100
4
9
5
IC6101
REGULATOR
1
1 3 PHOTO-
8
COUPLER
2
PH6100
CN9200
H-PLUGGED 9
HP-L-OUT 5
J9201
HP-R-OUT 7
HEADPHONES
FRONT IN-R 3
FRONT IN-L 1
CN9300 J9300
1 Y/CVBS-FRONT V
3 C FRONT
L
R
H2
( )
1 2
FRONT INPUT,
3 4
HP OUTPUT
T6000
12
D6010
11
10
IC6001
2 9
REGULATOR
8 1 3
D6011
4
7
T6001
12
2
+16.5V
11
4 10
9
CN6005
BUFFER
8 SWITCH BACKLIGHT 2 TO A BOARD
D6013 Q6007
Q6006 CN6201
Q6008
7 CN6001
POWER-AV 11
TO A BOARD
CN6204
CN6101
STBY 5V 2
TO B BOARD
CN6301
G ( )
POWER SUPPLY
- 25 -
H3 ( )
SCART 2
IC3701
ANALOG
MULTIPLEXER/
DE-MULTIPLEXER
CN3702
CN3703
Y FRONT BUFFER Y/CVBS FRONT 1
24 RF-SW 1
Q3709
12
22 SW MONITOR
13
C FRONT BUFFER C FRONT 3
20 C INPUT 3
Q3708
4
18 Y INPUT
15 CN3700
5 Y/C SWITCH C SCART BUFFER C IN
9 5
Q3701
10
3 VIDEO SWITCH SW OUT BUFFER VIDEO OUT
11 14
Q3702
TO A BOARD Y SCART BUFFER VIDEO IN
2
CN3621 Q3707
13 SC2-OUT-R-H3 RIGHT OUT
9 SC2-IN-R-H3 BUFFER RIGHT IN
Q2700
15 SC2-OUT-L-H3 LEFT OUT
11 SC2-IN-L-H3 BUFFER LEFT IN
Q2701
2 MODE 2 MODE
1 AV LINK AV LINK
IC9050
CN9050 IR RECEIVER (SIRCS)
1 STBY 5V
VCC
2 SIRCS
OUT
TO A BOARD
CN0041 6 LED 2
POWER
5 LED 1 STANDBY
5V STANDBY
H5 ( )
IR RECEIVER
& LED'S
TO H2 BOARD
CN9300