Pioneer PDP-4280HD

PDP-4280HD
28
1
2
3
4
1234
C
D
F
A
B
E
4.5 POWER SUPPLY UNIT
RC101
POWER SUPPLY UNIT
RL102
for Relay Drive
LIVE
NEUTRAL
PRIMARYSECONDARY
+35V
VADR VSUS
T281
PFC Q203
Q204
PS_PD
RELAY
EXT_PD
+390V
D123
D121
T251
T301
T121
P3
P1
P2 P7
P6
P5
P8
+16.5V
+6.5V
VSUS_CONT
VSUS_ADJ
Q252
Q253
Switching
Switching
P4
+12V
L371
Switching
Q373
+5.1V
P9
Switching
Z121
P12
STB5.1V STB3.3V STB3.3V +12V STB5.1V
P11
P10
+16.5V
+16.5V +12V +6.5V
+16.5V +6.5V
+35V +16.5V +12V +6.5V
Switching
Z281
Switching
Q301
F101
D131
Z901
Z152
DRF_SW_B
AC_DET M_SW_DET PD_TRIG_B
DRF_B
US_SW