General Information - Pioneer avic-80dvd Service Manual

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GENERAL INFORMATION

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DIAGNOSIS
DISASSEMBLY
- Handling the mechanical module
1. The mechanical module should be handled by holding
the upper frame and main frame of the mechanical mod-
ule.
2. The front section of the upper frame is not very sturdy,
so this section should not be held too firmly (see fig.1).
- Removing the DVD Core Unit R
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.2).
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 screws at two locations, and remove the DVD
TE Core Unit R (lift the board in the direction of the white
L 13942296513
arrow shown in fig.3, and remove it out diagonally).
- Removing the PU unit (see fig.4)
1. 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.
2. Remove the screw that keeps the main shaft clamp
spring in place, and remove the main shaft clamp
spring.
3. Remove the PU unit with the main shaft attached.
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Do not hold onto this area.
Auxiliary
land
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DVD Core Unit R
Main shaft
clamp spring
PU rack
co
.
CRG motor
AVIC-80DVD/UC
7
9 4 2 8
Short
0 5 8 2 9 9 4 2 8
Main shaft
m
Fig.4
8
9 9
A
B
Fig.1
C
Fig.2
9 9
D
Fig.3
E
PU unit
F
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