Sound Amp - Sanyo DP19640 Service Manual

A B
8
7
FROM POWER
L_OUT
6
R_OUT
FILTER_MUTE
SOUND+B
POWER_ON-H
SOUND_GND
5
4
3
2
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
Ripple
Filter
1
7.4
C303 10V 1 B
C301 10V 1 B
R302 1K 1/4W
GND
(REMOCON PCB)
Vout 1
GND 2
B+ 3
OS7601
KSM-2003TCW2P
ARE ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C D
E
(POWER PCB)
IC301 LA42052-E
IN1 GND IN2 STB P.P Vcc OUT2 NC GND NC OUT1 NC
2 3 4 5 6 7 8 9 10 11 12 13
1.6 0 1.6 1.6 10.3 14.0 7.4 NC 0 NC 7.4 NC
R304 R306
2.2K 2.2K
R305 R307
2.2K 2.2K
HS301
763WAA0402
NC
FROM/TO DIGITAL PCB
CD7601
CP250901
R7605 100 1/16W
REMOCON IN 1
GND 2
47 1/16W
R7602
AT+3.3V 3
R7604 390 1/16W
STANDBY LED 4
390 1/16W
R7603
POWER ON LED 5
REF M3CL-06W M3CL-10U
CD7601 CD252204 CP250901
GND1 PCBDA0
CEJ536
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
ETANT
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
E
F G
TO POWER
AMP_L_OUT
AMP_R_OUT
SOUND_GND
GND
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F G
H
8
7
6
5
4
3
2
PCB240
CEJ535
1
H
G-28