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A
B
8
7
FROM POWER
6
SOUND_GND
SOUND+B
GND
P.CON+9V
P.CON+A5V
FROM/TO MICON/TUNER
R302
5
POWER_ON_H
A_MUTE
SCL
SDA
4
FROM/TO AV SW
MONITOR_A_R
R301
MONITOR_A_L
FRONT_VIDEO
FRONT_A_L
FRONT_A_R
3
100uH
2
NOTE:
THE DC VOLTAGE AT EACH PART WAS
1
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
A
B
G-15
C
SOUND AMP SCHEMATIC DIAGRAM
SOUND AMP IC
IC302
AN7522
+
-
L
R
1
2
3
4
5
6
7
8
8.0
4.6
0
4.6
4.5
1.4
0
1.4
C307
C348
0.01
0.01
B
B
HS301
763WAA0199
B301
W4BRH3.5X6X1
0
R326
0
MUTE
Q301
100
2SC2412K
2.0
68K
R319
R318
100 1/4W
100 1/4W
C311
R310
0.033 B
1.8K
C315
C317
R303
C309
0.022
0.47 B
3.3K
B
50V
2.2
KA
3.3K
4.4
4.4
4.4
4.4
4.3
4.3
4.4
0
4.0
1
2
3
4
5
6
7
8
9
VR5
1.8K
VR3
TONE
136K
AMP1
+
I2C BUS
REF
-
INTERFACE
+
VR1
-
SIMAMP1
+
-
REF
VOLAMP1
6.5K
6.5K
6.5K
VOLAMP2
+
REF
-
CONTROL
-
SIMAMP2
6.5K
+
VR2
-
+
TONE
136K
1.8K
VR4
AMP2
VR6
20
19
18
17
16
15
14
13
12
C302
9.0
4.4
4.4
4.4
4.3
4.3
4.4
0
5.2
L302
50V
2.2
KA
C316
C318
R320
0305
0.022 B
0.47 B
100K
1/4W
C314
R312
0.033 B
1.8K
C320
0.1
MMTV
L303
100uH
0305
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(AV PCB)
-
+
9
10
11
12
2.0
4.4
0
4.4
37
38
0
MUTE
R322
Q304
0
2SC2412K
100
0
C337
0
R321
0
MUTE
1 B
100
Q303
0
2SC2412K
C340
1 B
C324
100P CH
C321
R317
100P CH
8.2K
C319
R313
50V
2.2
KA
1K
4.3
10
LOGIC
R324
11
5.2
8.2K
C327
R325
50V
2.2
KA
1K
CAUTION:
SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
FROM/TO OPERATION
CP303
(CD702)
A2001WV2-11P
FRONT_VIDEO_IN
1
GND
2
FRONT_A_IN_L
3
SOUND_GND
4
SOUND_OUT_L
5
SP_OUT_L
6
GND
7
FRONT_A_IN_R
8
NC
9
SOUND_OUT_R
10
SP_OUT_R
11
AUDIO SIGNAL
ATTENTION:
LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
AUDIO SIGNAL(PB)
N'UTILISER QUE CELLS DECRITES
TUNER AUDIO SIGNAL
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
7
6
5
4
3
2
PCB250
TMA503
1
H
G-16
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