Sanyo Vizon DP32746 - Audio Amplifier (IC001) Block Diagram; Video and Audio Select ICs Block Diagram

— 30 —
IC BLOCK DIAGRAMS (CONT.)
Audio AMP (IC001)
2
5 7
6 1
3
10
12
8
4
Standby SW
CH 1
Input
PRE-GND
(For input)
CH 2
Input
CH 1
Output
Standby Vcc
FilterP. P.
POWER
GND
(For output)
CH 2
Output
Protect popped noise
CH 1
AMP
(in)
REF
AMP
CH 2
AMP
(in)
CH 1
AMP
(out)
CH 2
AMP
(out)
TSD Protector
(Thermal protection curcuit)
Ripple Filter Block
RNf1
Rf1
RNf2
Rf2
LOGIC LEVEL
Control & Input
CONVERTER
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
I/O c O/I
X-COMMOM
13
0X
12
1X
14
2X
15
3X
11
0Y
1
1Y
5
2Y
2
3Y
4
Y-COMMOM
3
V
EE
VSS
VDD
INH
B
A
7
8
16
10
9
6
IC1201, IC1251 Video and Audio Select