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IC Block Diagrams
IC001 < Audio AMP.> LA42032-E
Standby
5
Input amplifier
2
IN1
Ri=
30kΩ
PRE
3
GND
MUTE
6
IN2
4
Ri=
30kΩ
Input amplifier
Ripple
Filter
VCC
7
+OUT1
12
Output amplifier
-OUT1
11
Vcc / ground shorting protection circuit
PWR
10
Load shorting protection circuit
GND
Thermal protection circuit
+OUT2
8
Output amplifier
-OUT2
9
1
IC501 < Vertical Output > LA78040/LA78040N
1
-6-
Thermal
Protection
-
AMP
+
Pump
Up
2
3
4
5
6
7
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