Pioneer F-504RDS Service Manual page 13

Fm/am digital-synthesizer tuner
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F-504RDS, F-504RDS-G
@ This diagram is viewed from the mounted parts side.
POWER
ASSEMBLY
Line Voltage Selection
Line Voltage can be changed by the following modification:
1. Disconnect the AC power cord.
2. Remove the cover.
3. Change the position of the jumper-lines @follows.
jumper—line @position
NOTE: When replacing a PCB which has the primary winding
circuit of Power-transformer, be sure to compare its
circuit with the diagram in Service Manual.
jumper-lines on the PCB may have to be removed.
Forgetting this check-up will cause a serious damage.
4. Stick 2 line voltage label on the rear panel.
Part No.
Description
AAX—193
220V label
AAX~192
240V iabel
TO
TUNER
ASSEMBLY
CN804
21
on

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