Sanyo DP19649 Service Manual page 41

A B
8
7
6
FROM JACK OUT
LOUT_SOUND
5
ROUT_SOUND
FROM POWER
S2_GND
4
FILTER_MUTE
SOUND+B
W805
POWER_ON-H
3
SOUND_GND
FROM/TO JACK OUT
2
SOUND_S_GND
FROM/TO POWER
GND
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
1
A B
G-27
C D
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 1/16W 2.2K 1/16W
R305 R307
C303 2.2K 1/16W 2.2K 1/16W
10V 1 B
C301
10V 1 B
C319 C320
25V
0.1 B 25V 0.1
R302
1K 1/16W
ARE
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C D
E
(POWER PCB)
OUT1 NC
12 13
7.4 NC
R308
W846
1K 1/4W
W823
R309
1K 1/4W
W820
1K 1/4W
1K 1/4W
B
W841
B304
HCB3216KF-391T20
B305
HCB3216KF-391T20
HS301
763WAA0331
W803
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E
F G
HEADPHONE JACK
J301
15 PJ-364H
5
L
4
B308
2
HCB3216KF-391T20
3
B307
R310
6
HCB3216KF-391T20
R
7
R311
16 1
CD301
CU143401
SP OUT L
GND
GND
SP OUT R
NC
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
F G
H
8
7
6
5
4
SPEAKER
SP301
4 4
S0308F01
3 3
SPEAKER
2 2
1 1
SP302
S0308F01
3
2
PCB240
CEH434
1
H
G-28