A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC302
AN7522
SOUND_AMP
1
10
11
12
2
3
4
5
6
7
8
9
HS301
763WAA0199
IC301
M62420FP
DIGITAL SOUND CONTROL
1
10
11
12
13
14
15
16
17
18
19
2
20
3
4
5
6
7
8
9
B301
W4BRH3.5X6X1
AUDIO SIGNAL
TUNER AUDIO SIGNAL
L303
100uH 0305
L302
100uH
0305
C325
47
16V
YK
C303
47
16V
YK
C308
10
50V
YK
C309
2.2
50V
KA
C313
1000
25V
YK
C312
33
25V
YK
C302
2.2
50V
KA
C329
220P
B
C356
330P
CH
C322
0.001
B
C326
0.022
B
C314
0.033 B
C304
0.1
B
C311
0.033 B
C317
0.47 B
C315
0.022 B
C318
0.47 B
C316
0.022 B
C320
0.1
MMTV
C340
1 B
C337
1 B
C323
0.1
B
C324
100P CH
C321
100P CH
C307
0.01
B
C348
0.01
B
R302
68K
R312
1.8K
R308
4.7K
R309
4.7K
R310
1.8K
R303
3.3K
R306
10K
R324
8.2K
R325
1K
R314
100
R315
100
R323
47K
R326
100
R322
100
R321
100
R304
10K
R313
1K
R317
8.2K
R319
100 1/4W
R318
100 1/4W
R346
100K
1/4W
R301
3.3K
R320
100K
1/4W
C346
2.2
50V
KA
C327
2.2
50V
KA
C328
4.7
50V
KA
C347
2.2
50V
KA
C319
2.2
50V
KA
Q301
2SC2412K
MUTE
Q304
2SC2412K
MUTE
Q303
2SC2412K
MUTE
W845
W865
W867
THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
ETANT
LES PIECES REPAREES PAR UN
ATTENTION:
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
SINCE THESE PARTS MARKED BY
CAUTION:
AUDIO SIGNAL(PB)
CP303
A2001WV2-11P
1
10
11
2
3
4
5
6
7
8
9
SOUND_GND
SOUND+B
GND
P.CON+9V
P.CON+A5V
POWER_ON_H
A_MUTE
SCL
SDA
MONITOR_A_R
MONITOR_A_L
FRONT_VIDEO
FRONT_A_L
FRONT_A_R
PCB250
SOUND AMP SCHEMATIC DIAGRAM
(AV PCB)
FROM/TO MICON/TUNER
FROM/TO OPERATION
0
0
5.2
5.2
4.3
4.3
4.3
4.3
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
4.4
REF
REF
REF
VR2
VR1
INTERFACE
I2C BUS
CONTROL
LOGIC
+
-
-
+
+
-
+
-
+
-
+
-
136K
136K
SIMAMP1
VOLAMP1
SIMAMP2
VOLAMP2
6.5K
6.5K
6.5K
VR4
1.8K
1.8K
S2
S1
VR3
VR5
S7
S4
S6
S3
S5
6.5K
TONE
AMP2
AMP1
TONE
S8
VR6
FRONT VIDEO IN
GND
SOUND GND
FRONT A IN R
SOUND OUT R
SP OUT R
GND
SOUND OUT L
SP OUT L
NC
FRONT A IN L
0
0
FROM/TO POWER
FROM/TO AV SW
0
0
0
0
0
0
2.0
4.0
4.3
9.0
TMA503
0
0
0
L
R
-
+
-
+
8.0
4.6
4.6
4.5
1.4
1.4
2.0
4.4
4.4
38
37