Sanyo DP19640 Service Manual page 43

A B
8
7
FROM/TO POWER
6
FILTER_MUTE
SOUND+B
POWER_ON-H
SOUND_GND
5
4
3
2
CAUTION
:SINCE THESE PARTS MARKED BY ARE
1
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A B
G-29
C
SOUND_AMP SCHEMATIC DIAGRAM
C303
10V 1 B
C301
10V 1 B
L_OUT
R_OUT
R302
1K 1/4W
GND
(REMOCON PCB)
Vout 1
GND 2
B+ 3
OS7601
KSM-2003TCW2P
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)
SOUND AMP IC IC301 LA42052-E
Ripple
IN1 GND IN2 STB P.P Vcc OUT2 NC GND NC OUT1 NC
Filter
1 2 3 4 5 6 7 8 9 10 11 12 13
7.4 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
763WAA0402
FROM/TO SCALER
CD7601 (CP6204)
CP250901
R7605 100 1/16W
REMOCON IN 1
GND 2
R7602 47 1/16W
AT+3.3V 3
R7604 390 1/16W
STANDBY LED 4
R7603 390 1/16W
POWER ON LED 5
GND1 PCBDA0
CEJ536
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
FROM/TO POWER
AMP_L_OUT
AMP_R_OUT
SOUND_GND
GND
HS301
NC
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.
F G
H
8
7
6
5
4
3
2
PCB240
CEJ535
1
H
G-30