Power Supply Unit - Pioneer PDP-5020FD Service Manual

1

4.5 POWER SUPPLY UNIT

A
POWER SUPPLY UNIT
P2
VADR
+17V
+6.5V
VSUS
B
P1
VADR
+17V
+6.5V
VSUS
P6
+12V
+6.5V
STB5.1V
IC202
P5
+17V
C
P9
+12V
+6.5V
P7
M_SW_DET
STB3.4V
+17V
AC_DET
P4
D
DRF_SW_B
M_SW_DET
EXT_PD
VSUS_ADJ
PS_PD
RELAY
DRF_B
AC_DET
PD_TRIG_B
E
F
30
1
2
SECONDARY
T702
T901
+17V
+12V
+6.5V
Q202
+B for
RELAY DRIVE
P10
PDP-5020FD
2
3
PRIMARY
Switching
Q703
Switching
Q704
+395V
Switching
Q901
Q902
Switching
T501
Q502
Q503
Switching
T101
IC101
Switching
RY102
3
4
D101
PFC Q103
Q104
Q106
D115
D112
D108
NEUTRAL
LIVE
F102
P3
4