Diagrams; Block Diagram (1) - Sony Trinitron KV-AR29T80C Service Manual

6-1. BLOCK DIAGRAM (1)

J921 V2-Y/V
Y C V2-C
3 4
1 2
CN920
2
V
L
(MONO)
V2-L
9
L
R
V2-R
R
V1-V
V
V1-L
L
1
L
(MONO)
9
V1-R
R R
V
T
L
L
(MONO)
9
R R
YUV-Y
Y Y
YUV-U
CB
CB
YUV-V
CR
CR
FM_L/R
CN923
V3-V
CVIN 1
GND 2
V3-L
A
LIN 3
GND 4
TO
V3-R
H BOARD
RIN 5
CN901
– 21 –
SECTION 6

DIAGRAMS

IC920
AUDIO INPUT SELECT
L OUT 13
V1-L
11 L1
V2-L
14 L2
V3-L
15 L3
FM-L/R
12 L
R OUT 3
V1-R
4 R1
V2-R
5 R2
V3-R
2 R3
AV1 9
1 R
AV2 10
IC921
VIDEO INPUT SELECT
V OUT 13
V1-V
4 V1
V2-V/Y
5 V2/Y
V3-V
2 V3
1
C OUT 3
11
V2-C
14
15
AV1 9
12
AV2 10
IC930
VIDEO AMP
2 OUT IN1 6
IC401
EQ AMP/EVR
3 LIN LOUT 18
5 RIN ROUT 15
AV1
SDA
17
SDA
AV2 SDL
16 SCL
Q429
INITIAL
+12V
MUTE DRIVE
AV1
AV2
Q922, D934
OR GATE
Q923, 924
MUTE
IC402
POWER AMP
2 LIN LOUT 12
Q420
MUTE
5 RIN ROUT 7
PS400
Q421
VCC 10
MUTE
STBMUTE 11
MUTE
8
Q427
MUTE
Q429
MUTE DRIVE
YUV_V
YUV_U
YUV_Y
V-OUT
SP-MUTE
MUTE
U
(VIDEO/AUDIO INPUT, AUDIO AMP)
– 22 –
KV-AR29T80C/AR29X80C
RM-W104 RM-W104
CN401
1 SPL (+)
SPEAKER
2 SPL (-)
(L-CH)
4 SPR (+)
SPEAKER
3 SPR (-)
(R-CH)
+22V
5 W (+)
NC
6 W (-)
+12V
+8V
CN922
11 CVBS/Y
9 CHROMA
7 YUV_V
B
5 YUV_U
TO
3 YUV_Y
A BOARD
1 V-OUT
CN911
CN403
SDA
1 SDA
SCL
3 SCL
AV1
4 AV1
C
AV2
5 AV2
TO
6 FM
A BOARD
MUTE
8 MUTE
CN411
CN406
+8V 1 8V
+12V 2 12V
+22V 3 22V
D
4 22V
TO
5 GND
PS402 A BOARD
6 GND
CN412