Pioneer VSX-AX4AVi-S Service Manual page 193

5
OL (Over Load) Detection Circuit
Q
POWER AMP L ASSY
+VL
IC5001
OL DETECTOR
R5043
OUTPUT
L ch
GAMP
IC5002
R5044
-VL
SBL ch
5
6
P
POWER
PROTECT ASSY
CN5002 CN5701
Q5041 D5043
-7 -5 R5715
D5143
SL ch
CN5302
D5243
CN5001 CN5601
-6
VSX-AX4AVi-S
6
7
V+5UM
CN5703 CN103
-14 -6
FFC J43
Normal: Low (0V)
OL det: 0.6V
Q5704
GNDU
CN5702
-8
R
D5343
R ch
D5443
SR ch
-4
POWER
D5543
AMP R ASSY
SBR ch
O
C ch
D5143
-8 POWER
AMP IN ASSY
7
8
L
DIGITAL MOTHER ASSY
V+5UM
UCOM
Normal: High (5V)
OL det: Low (0V)
IC101
28
GNDU
8
A
B
C
D
E
F
193