Pioneer PDP-502MX Service Manual

PDP-502MX, PDP-502MXE
40
A
B
C
D
1
234
1234
FU101
1
2
D113
+
D112
D115
R121
D117
R122
D116
R167
R131
R132
R133
R134
R168
Q132
D151
D132
RY101
L133
D131
1
4
1
3
2
In rush R
Q136
Q131
D150
+B Adj
VR131
R140
R166
IC131
Power
Factor
Correction
1
3
8
6
7
5
Q134
R154
R155
D138
4
D111
ATK1133
T111
STBY
TRANS
IC112
3
4
1
2
IC113
R113
VR111
+5V Adj
SW111
AC100V/AC200V
D118
Q111
4
3
5
2
IC111
SW
IC
3
R123
TP112
Q401
D401
Q402
D402
TP111
STB+5V
STB +12V
D458
D459
AC200V
PD
D457
OVP
P.ON:Lo
RY131
POWER Down Detection Block
D433
Audio
Digital PD
D441
X DRV
PD
D439
Y DCDC
PD
D437
Y DRV
PD
D407
Main PWR
PD
+B OVP
1 3
STB+5V
POWER
To U-COM
ASSY
P1
D448
VF OVP PD
R487
D408
+
UVP PD
R415
P4
11 7 13 12
P2 P3
D447
D446
D445
D406
To U-COM
ASSY
POWER
D413
D414
Q408
Q407
D412
Q406
STB +12V
UVP
MUTE
at P.ON
R424
D405
PFC STOP PD
IC401
Q425
R410
P.OFF:Hi P.ON:Lo
AEK1071
14V
14V
D463R406
SW103
ON /OFF
Q437
Q439
DRV
&
UVP
MUTE
R426
PFC STOP
DET
R156
Error
AMP
Comp
R364
R385
5
4
RCC CONT
1
7
1
2
Error
AMP
Comp
R316
R347
2
3
5
4
3
RCC CONT
1
7
Trig (-V)
+
Error
AMP
Comp
2
5
4
1
3
R232
R253
D188
Q183
D183
D189
Q186
D186
D191
D190
Q185
D185
R190
R189
C202
R185
R184
DRV
ON/OFF
VADR VSUS
SEQUENCE
Lo V VADR
SEQUENCE
Q201
SW Tr
(2SK2847)
Q301
SW Tr
(2SK2847)
SW Tr
(2SK2847)
RCC CONT
POWER FACTOR CONTROL
D461
STBY
POWER
IC181
R165
R139
R312
R363
Q351
Q352
Mute
AC OFF DET
TP131
+B (380V)
+B
+B
+B
3.3.10 MAIN POWER ASSY SECTION

Pioneer PDP-502MX Specifications

General

Brand	Pioneer
Model	PDP-502MX
Category	Monitor
Language	English