Pioneer AVX-P7300DVD, Service Manual

Page: 109 / 142

109
AVX-P7300DVD
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Handling the mechanical module
1. The mechanical module should be handled by holding
the upper frame and main frame of the mechanical
module.
2. The front section of the upper frame is not very sturdy,
so this section should not be held too firmly (see fig. 11).
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Removing the DVD CORE UNIT V
1. Bring the mechanism to a locked position (disk load
standby position).
2. Turn the mechanical module upside down.
3. Set the pick-up flexible cable to a shorted position on
the land end (the other is auxiliary), and turn the SW
knob in the direction opposite to OP (see fig. 12).
4. Remove the pick-up flexible cable and the CRG flexible
cable from the connector. Remove the solder on the
lead wires of the load motor.
5. Remove a screw and two solders then remove the
holder.
6. Remove screws at three locationsz, and remove the
DVD Core Unit V (lift the board in the direction of the
white arrow shown in fig. 13, and remove it out
diagonally).
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Removing the PU unit (see fig. 14)
1. Remove the DVD Core Unit V according to the
"Removing the DVD Core Unit V" procedure described in
the previous page.
2. Lift the pick-up rack to the center of the axis of the rack, turn it
90 degrees first, then press on it lightly, and fix it in place
temporarily.
3. Remove the screw that keeps the main shaft clamp spring in
place, and remove the main shaft clamp spring.
4. Remove the PU unit with the main shaft attached.
Do not hold onto this area.
Short
Auxiliary
land
Fig. 11
Fig. 12
Fig. 13
DVD Core Unit V
Holder
Fig. 14
Main shaft
CRG motor
PU unit
PU rack
Main shaft
clamp spring