Text preview for : SONY KLV-20SR3_WA1.pdf part of Sony KLV-20SR3 WA1 Sony SONY KLV-20SR3_WA1.pdf



Back to : SONY KLV-20SR3_WA1.pdf | Home

WA1
RM-Y1108




SERVICE MANUAL WA1 CHASSIS
MODEL COMMANDER DEST MODEL COMMANDER DEST




KLV-20SR3 RM-Y1108 AEP




KLV-20SR3




RM-Y1108




FLAT PANEL COLOR TV


-1-
4-1. BLOCK DIAGRAMS (1)




IC3701
ANALOG
MULTIPLEXER/
H3 ( SCART 2
)
DE-MULTIPLEXER CN3702
CN9200 CN3703
CN9000 H-PLUGGED 9 Y FRONT BUFFER Y/CVBS FRONT 1
24 RF-SW 1
1 SWITCH 12 Q3709
S9000, S9001 HP-L-OUT 5 TO H2 BOARD
22 SW MONITOR
S9002, S9006 J9201 13 CN9300
TO B BOARD TO A BOARD HP-R-OUT 7 C FRONT BUFFER C FRONT 3
20 C INPUT 3
CN0101 CN2211 HEADPHONES 4 Q3708
3 SWITCH FRONT IN-R 3
S9003, S9004, 18 Y INPUT
15 CN3700
S9005
FRONT IN-L 1 5 Y/C SWITCH C SCART BUFFER C IN
9 5
Q3701



H1 ( )
10
CONTROL 3 VIDEO SWITCH SW OUT BUFFER VIDEO OUT
CN9300 J9300 11 14
BUTTONS Q3702
1 Y/CVBS-FRONT V
TO H3 BOARD
CN3702 3 C FRONT TO A BOARD Y SCART BUFFER VIDEO IN
L 2
CN3621 Q3707
13 SC2-OUT-R-H3 RIGHT OUT
R


H2 9


15
SC2-IN-R-H3

SC2-OUT-L-H3
BUFFER
Q2700
RIGHT IN

LEFT OUT



( )
1 2
FRONT INPUT, 11 SC2-IN-L-H3 BUFFER LEFT IN
3 4
HP OUTPUT Q2701
2 MODE 2 MODE

1 AV LINK AV LINK




F6000 L6000 L6007
CN6003
4A
1 AC IN 2 1 2 1 T6000
BRIDGE
RECTIFIER IC6000 12
3 AC IN D6010
D6000 MAIN BRIDGE RECTIFIER
4 3 4 3
11
F/B 2 PH6001
PHOTO-
SWITCH COUPLER
VGH 23 Q6003 10
IC6001
2 9
VS 22 REGULATOR

BUFFER VGL 20 SWITCH 8 1 3 IC9050
1 V SENSE D6011 CN9050 IR RECEIVER (SIRCS)
Q6000 Q6004
OCP 16 1 STBY 5V
15 VC1 4 VCC
7
2 SIRCS
OUT
T6001 TO A BOARD
BUFFER AMP CN0041 6 LED 2
Q6001 12
PHOTO- Q6005, Q6010, 2
Q6002 POWER
COUPLER Q6009 +16.5V 5 LED 1 STANDBY
11
PH6000
IC6100
STANDBY CONTROLLER/DRIVER
4 10
5 2 5V STANDBY
9
3 CN6005


H5 ( )
8 SWITCH BUFFER BACKLIGHT 2 TO A BOARD
7 D6013 Q6007 IR RECEIVER
Q6006 Q6008 CN6201
& LED'S
8 4
7 CN6001
T6100 POWER-AV 11 TO A BOARD
CN6204
4
CN6101
9 STBY 5V 2 TO B BOARD
5 CN6301
IC6101
REGULATOR
1
1 3 PHOTO-
8
COUPLER
2 PH6100


G( POWER SUPPLY
)



- 25 -
4-1. BLOCK DIAGRAMS (2) 4-2. CIRCUIT BOARD LOCATION Reference Information

RESISTOR RN : METAL FILM
B

H1
RC : SOLID
C FPRD : NON FLAMMABLE CARBON
A( TUNER, AUDIO,
CHROMA DECODER,
SCART 1
) C
FUSE : NON FLAMMABLE FUSIBLE
N RS : NON FLAMMABLE METAL OXIDE
CN0042
CN3621
SCL 2 H2
15 SC2-IN-L AMPLIFIER
Q3806 IC3801 SDA 3
VM RB : NON FLAMMABLE CEMENT
17 SC2-IN-R SUB VIDEO PROCESSOR SERVICE

R SCART 1
CS 4
CVM Board RW : NON FLAMMABLE WIREWOUND
13 SC2-OUT-R BUFFER R1-IN 27
H J
Q2600
G1-IN 26
G SCART 1
CN0043 GA S1 Board : ADJUSTMENT RESISTOR
Y FRONT
44 CVBS2/Y2-IN B SCART 1 CS 5
11 SC2-OUT-L BUFFER
Q2601
C FRONT
43 C2-IN
B1-IN 25
FB SCART 1 CVBS MONITOR 24
A A2 COIL LF-8L : MICRO INDUCTOR
YS3 15
4 SW MONITOR
3 CVBS OUT CVBS AV1 MODE 1 8
H3
TO H3 BOARD
21 Y/C SWITCH
CVBS3/Y2-IN 41 CAPACITOR TA : TANTALUM
CN3703
Y OUT AMPLIFIER Y SYNC 29
23 VIDEO SWITCH 21 H5 PS : STYROL
24 MODE 2
Q3808
IC3811
A1
8 Y INPUT LUMINANCE
SYNC ADDER D2 A PP : POLYPROPYLENE
6 C INPUT CHROMINANCE
9
H5
2 4 D1 D PT : MYLAR
25 AV LINK 22
CB-OUT AMPLIFIER
Q3809
CB 20 A Board
2 RF SW CR-OUT AMPLIFIER CR 21
MPS : METALIZED POLYESTER
23
Q3807
SCL SCL-5 12 MPP : METALIZED POLYPROPYLENE
CN3602 13
TO B BOARD
RIGHT OUT SC1-OUT-R CVBS RF
1 14
SDA SDA-5 14 CN3000 4-3. SCHEMATIC DIAGRAMS AND ALB : BIPOLAR
RIGHT IN SC1-IN-R
MODE 2 9 PRINTED WIRING BOARDS ALT : HIGH TEMPERATURE
LEFT OUT SC1-OUT-L
LUMINANCE 28 Note :
LEFT IN SC1-IN-L
CHROMINANCE 25