Pioneer PRO-720HD Service Manual page 108

1
PRO-720HD, PRO-620HD, PRO-520HD
3.35 POWER SUPPLY ASSY
A
Q POWER SW ASSY
(AWZ6467)
MAIN
POWER
B
C
D
P Q
108
1
2
127
STB5V
ERROR AMP
4V
2.6V
2V
IC903: CONTROL
DRIVE IC
2
3
P POWER SUPPLY ASSY
(AWV1912)
120
121
RELAY
DRIVE
1.2V
0V
0.6V
0V
P.D CIRCUIT
: CHARGED SECTION
3
4
IC101: CONTROL IC
122 123 124 125
8V 8V
0V
8V
0.8V
0.6V
FUSE
RELAY ON DELAY
OPEN
P.D
4