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A
B
8
7
6
FROM JACK_OUT
LOUT_SOUND
ROUT_SOUND
SOUND_GND
5
FROM/TO POWER
FILTER_MUTE
SOUND+B
POWER_ON_H
SOUND_GND
4
GND
AT+5.8V
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A
B
H-35
C
SOUND AMP SCHEMATIC DIAGRAM
SOUND AMP IC
IC301
LA42052-E
Ripple
IN1
GND
IN2
STB
P.P
Vcc
Filter
1
2
3
4
5
6
7
7.4
1.6
0
1.6
1.6
10.3
14.0
R317
R316
220K
220K
R302
6.8K
1/4W
5.8
SW
R314
5.8
5.8
Q302
KRC102SRTK
470 1/4W
1.6
3.0
MOTE
Q301
0
KTA1504S_Y_RTK
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
CAUTION
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
(POWER PCB)
OUT2
NC
GND
NC
OUT1
NC
8
9
10
11
12
13
7.4
NC
0
NC
7.4
NC
R304
R306
22
2.2K
2.2K
W823
R305
R307
2.2K
2.2K
W820
23
W854
W824
W827
HS301
763WSA0064
W803
ATTENTION
:SINCE THESE PARTS MARKED BY
ARE
:LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES
DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
G
HEADPHONE JACK
R308
J301
390 1/4W
PJ-364H
5
L
4
R309
W829
2
R310
390 1/4W
W813
3
390 1/4W
6
R
7
R311
1
390 1/4W
CD301
E8141801
SP OUT L
4
4
GND
3
3
GND
2
2
SP OUT R
1
1
CAUTION: DIGITAL TRANSISTOR
ETANT
F
G
H
8
7
6
5
SPEAKER
SP301
S0308F01
SPEAKER
SP302
S0308F01
4
3
2
PCB240
CEG373
1
H
H-36
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