Ic Block Diagrams - Sony SRS-D313 Service Manual

2-1. IC BLOCK DIAGRAMS

IC302 TDA2052V (AMP BOARD)
INP-
6
INP+PLAY
7
INP+MUTE
5
MUTE/
3
ST-BY
IC301 LA4663 (AMP BOARD)
RIPPLE FILTER/
1
STARTING TIME
IN1 2
3
PRE GND
IN2 4
5
STANDBY
SIGNAL MUTE 6
VCC1 7
VCC2 8
+OUT2 9
POWER GND2 10
–OUT2 11
12
–OUT1
POWER GND1 13
+OUT1 14
+Vs
2
–
+
125 A
2.7v 1.8v
M/P S/M
1v
A
Q2
4
-Vs
INPUT
AMP
+
OUTPUT
–
AMP
+
OUTPUT
–
AMP
INPUT
AMP
UPPER
SOA
LOWER
THERMAL
SOA
SHUTDOWN
+
–
–
+
RESTART
Q1
LATCH
SRS-D313
OUT
1
+ – – +
5