Diagrams; Block Diagrams - Sony KLV-21SG2 Service Manual

1

3-1. BLOCK DIAGRAMS

J9201
3 4
1 2
S VIDEO
V
VIDEO
VIDEO 1
INPUT
L
L
AUDIO
R
U1
R
(INPUT TERMINAL)
J9202
3 4
1 2
S VIDEO
V
VIDEO
VIDEO 2
INPUT
L
L
AUDIO
R
R
H2(2/2)
(INPUT TERMINAL)
TU6400
TUNER
Q6402
DET OUT2
BUFFER
VIDEO
L OUT
AUDIO L/R
R OUT
MUTE
FMONO
MODE
BIL IND
ST IND
30V
Q6403
DET OUT
BUFFER
AFT OUT
Q6401,6404,6406
RFAGC
BUFFER
SCL
SDA
TU
(TUNER)
SECTION 3

DIAGRAMS

CN9201 CN9007
1 C1 C1 1
2 G GND 2
3 Y1 Y1 3
4 G GND 4
5 V1 V1 5
6 G GND 6
7 S-1 S-1 7
8 LV1 LY1 8
9 RV1 RV1 9
10 G GND 10
CN9004
NC 1
C2 2
GND 3
Y2 4
GND 5
V2 6
GND 7
S-2 8
LV2 9
RV2 10
CN9202
GND 11
1 NC
NC 12
2 C2
3 G
4 Y2
5 G
CN2801(2/2)
6 V2
MUTE 1
7 G
PMOD 2
8 S-2
MOD0 3
9 LV2
MOD1 4
10 RV2
BIL 5
11 G
ST 6
12 NC
AFT 8
C
AGC 10
SYMDET 11
TO B-1 BOARD
CN1007 SDA T 13
SCL T 14
LINRE MUTE 16
DVI-RST 17
SCL B 5V 19
SDA B 5V 20
CN6403 CN6451 VIDEO
1 OUT2 OUT2 1
2 DETOUT DETOUT 2
3 STLED STL 3
4 BILED BIL 4
5 MODE MODE 5
6 FMONO FMONO 6
7 MUTE MUTE 7
8 R R 8
9 L L 9
10 GND GND 10
Q6448
Q6449
CN6401 CN6450
1 GND GND 1
9V 2 9V 9V 2
3 30V 30V 3
5V 4 5V 5V 4
5 SCL T SCL 5
6 SDA T SDA 6
7 GND AGC DET(NC) 7
8 RF AGC RF AGC 8
9 AFT AFT 9
10 GND GND 10
S2-1
VIDEO
Q6454
BUFFER
AUDIO R
AUDIO L
SDA_T
SCL_T
Q6452,Q6453
SYNC SEP
SCL B 5V
SDA B 5V
Q6450
Q6451
AUDIO R
AUDIO L
P_MUTE
2
Q6448
Q6449
9V
UNREG33V
5V
SCL_T
D6448,6449
SDA_T
LINRE MUTE
IC2803
AV SW
1 V1
3 Y1
5 C1
2
LV1
4 RV1
Q2540-2542
6 S2-1
BUFFER
7 S1
8 V2
IC2511
10 Y2
SEL
12 C2
Q2802
Q2535
9 YOUT1 43 9 Y/V
LV2
BUFFER
Y
11 RV2 Y/V OUT
14 S2
8 Y
CB/C OUT 5
Q2801
COUT1 45 Q2533 14 C
BUFFER
C
CR OUT
11 CB
SDA 27 16
CR
SCL 26
CONT
47 TV ROUT1 41
AUDIO L/R
48 RTV LOUT1 39
VOUT2 33
46 LTV
V3 15
LV3 16
RV3 18
A1-1
(AV SW)
Q2556,2557,2560 Y/CB/CR
BUFFER
SYNC
1
Q2537 Y/PB/PR/CCPSW/VID
6
BUFFER
Y
Q2538
BUFFER
B-Y
Q2539
3
BUFFER
R-Y
CCP SW
2 TO A1-2
7
12
SDA_B_5V
SCL_B_5V
AUDIO L/R
VID
V3/LV3/RV3
LINRE MUTE
KLV-21SG2 (UC) 3-1