Detection Circuit - Pioneer VSX-D514-S Service Manual

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7.1.3 DETECTION CIRCUIT

1.DC Detection Circuit Diagram:
IC601, IC602
2. Overload Detection Circuit Diagram:
IC601, IC602
3. PCB Board Protection Circuit Diagram
A
Main Assy
U-com
IC9001
Pin 24
5
6
AMP
DC DET.
+5V
Q605, Q606,
Q633, Q683
Q655, Q656
O.L. DET
AMP
+5V
G
Amp Input Assy
R
6
7
+5V
u-con
IC9001
DC PROT
Pin 23
L : ON
Q696
H : OFF
Q697
u-con
IC9001
OL DET
Pin 73
L : ON
H : OFF
Amp &
C
Primary
Assy
Speaker
Amp
VSX-D514-K
7
8
A
B
C
D
E
F
71
8