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A
B
8
7
6
FROM/TO JACK OUT
18
LOUT_SOUND
19
5
ROUT_SOUND
FROM/TO POWER
4
FILTER_MUTE
SOUND+B
POWER_ON_H
3
SOUND_GND
FROM/TO JACK OUT
SOUND_S_GND
GND
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A
B
H-29
C
SOUND AMP SCHEMATIC DIAGRAM
SOUND AMP IC
IC301
LA42052-E
Ripple
IN1
GND
IN2
STB
P.P
Vcc
OUT2
NC
GND
NC
Filter
1
2
3
4
5
6
7
8
9
10
11
7.4
1.6
0
1.6
1.6
10.3
14.0
7.4
NC
0
NC
R304
R306
2.2K
2.2K
R305
R307
2.2K
2.2K
C303_1
25V
1
B
C301_1
25V
1
B
C324
100P CH
R302
6.8K
1/4W
NOTE: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.
C
D
E
(POWER PCB)
OUT1
NC
12
13
7.4
NC
R308
16
1K 1/4W
R309
1K 1/4W
R310
1K 1/4W
17
R311
1K 1/4W
W841
B304
HCB3216KF-391T20
B305
HCB3216KF-391T20
HS301
763WAA0331
B306
HCB3216KF-391T20
W820
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
HEADPHONE JACK
J301
20
PJ-364H
5
L
4
B308
2
HCB3216KF-391T20
B307
3
HCB3216KF-391T20
6
R
7
21
1
CD301
CH142102
SP OUT L
GND
GND
SP OUT R
ATTENTION
ARE
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
7
6
5
4
SPEAKER
SP301_1
4
4
S0308F01
3
3
SPEAKER
2
2
1
1
SP302_2
S0308F01
3
2
PCB240
CEJ511
ETANT
1
H
H-30
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