Pioneer PDP-502MX Service Manual page 5

1.3 CHARGED SECTION AND HIGH VOLTAGE GENERATING POINT
7 Charged Section
The places where the commercial AC power is used without
passing through the power supply transformer.
If the places are touched, there is a risk of electric shock. In addition,
the measuring equipment can be damaged if it is connected to the
GND of the charged section and the GND of the non-charged
section while connecting the set directly to the commercial AC
power supply. Therefore, be sure to connect the set via an insulated
transformer and supply the current.
7 Charged Section
(Power supply primary side)
1. AC Power Cord
2. AC Inlet with Filter
3. Power Switch (S1)
4. Fuse (In the MAIN POWER ASSY)
5. STB Transformer and Converter Transformer
(In the MAIN POWER ASSY)
6. Other primary side of the MAIN POWER ASSY
X CABLE D ASSY
SIDE SW ASSY
IR RECEIVE ASSY
CABLE ASSY
CONTROL ASSY
AUDIO AMP ASSY
CABLE ASSY
X CABLE U ASSY
CABLE ASSY
X DRIVE ASSY
CABLE ASSY
VIDEO ASSY
INPUT ASSY
PDP-502MX, PDP-502MXE
7 High Voltage Generating Point
The places where voltage is 100V or more except for the charged
places described above. If the places are touched, there is a risk of
electric shock.
1. POWER SUPPLY MODULE
2. X DRIVE ASSY
3. Y DRIVE ASSY
4. SCAN ASSY
For the places, refer to the EXPLODED VIEWS, the SCHEMATIC
DIAGRAM and the PCB CONNECTION DIAGRAM sections.
Part is charged section.
Part is the high voltage generating points other than the
charged section.
U-COM ASSY
CABLE ASSY
DIGITAL VIDEO ASSY
MAIN POWER ASSY
CABLE ASSY
SP TERMINAL (L) ASSY
(170V)
(170V)
(–200V to 250V)
(250V)
TOP
CABLE ASSY
CABLE ASSY
SCAN ASSY
Y DRIVE ASSY
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