Sanyo DP50747 - MENU OPTION: DIGITAL CABLE SEARCH

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IC BLOCK DIAGRAMS
IC001, Audio AMP
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-COMMON
13
0X
12
1X
14
2X
15
3X
11
0Y
1
1Y
5
2Y
2
3Y
4
Y-COMMON
3
V
EE
VSS
VDD
INH
B
A
7
8
16
10
9
6
IC1201, IC1251 Video and Audio Select
6
2
3
4
1
5 7
9
8
10
11
12
+ OUT1
+ OUT2
- OUT1
- OUT2
PWR
GND
Ripple
Filter
IN 2
PRE
GND
MUTE
IN 1
Standby
Input amplifier
Input amplifier
Output amplifier
Vcc ground shorting protection circuit
Load shorting protection circuit
Thermal protection circuit
Output amplifier
Vcc
Ri=
30k
Ri=
30k