Pioneer PL-450 Service Manual page 5

@ Machanism Ass''y and Motor
PwoN Re
. Turn on the turntable and free the mechanism.
. Fasten the tone arm to the arm rest.
. Remove the rubber sheet and turntable platter.
. Close the player hood and turn the palyer up-
side down and place it on a soft cloth so that
the player hood is not damaged.
. Remove the seven screws @, and remove the
bottom plate.
. Remove five screws @ and two screws @.
. Disconnect lead wire © .
The mechansim ass'y can be removed from the
panel.
. Using a soldering iron, disconnect the lead
wires @) from the motor.
Disconnect lead wire @) .
Remove the two screws @® , and remove the
motor.
See pages 14 ~ 16 for the parts installation and
assembly precautions.
@ Tone Arm
1. Remove the mechanism ass'y from the panel.
2. Using a soldering iron, disconnect the PU lead
wires (arm lead wires) from the PU terminal
board.
3. Remove the one screw @ , and remove the PU
palte ass'y from the tone arm.
4, Remove the R clip.
5.Tum the player onto its side, remove the
arm reset clamp, and remove the tone arm
from the panel.
@ Power Supply Ass'y
Remove the two screw @.
(Remove the two screw @ (only R model))