Cd Mechanism Section - JVC UX-M55 Service Manual

UX-M55
<CD mechanism section>
Remove the left and right side plates.
Remove the top cabinet.
Remove the front cabinet assembly.
Remove the CD mechanism assembly.
Removing the CD & MCU board
1. From the bottom side of the CD mechanism
assembly, remove the two screws A retaining the
CD & MCU board. (See Fig.1.)
2. Disengage the two locking board supports
retaining the CD & MCU board. (See Fig.1.)
3. Disconnect the wires from the two connectors
CN702 and CN703 on the CD & MCU board.
4. Lift the CD & MCU board and attach solder to the
short land part a on the CD pickup assembly.
5. Disconnect the card wire from the connector
CN704 on the CD & MCU board, and take out the
CD & MCU board. (See Fig.2.)
[Cautions] Be sure to solder the short land
part a on the CD pickup unit before
disconnecting the card wire from
the CD pickup unit. (See Fig. 2.)
If the card wire is disconnected
without attaching solder, the CD
pickup may be destroyed by static
electricity.
In the assembly, be sure to remove
solder from the short land part a
after connecting the card wire.
Removing the CD pickup assembly
Remove the CD & MCU board.
1. From the back side of the CD mechanism
assembly, remove the four screws B retaining the
CD pickup assembly.
2. Take out the CD pickup assembly.
[Note] When removing or replacing the
dampers, note their colors and be sure
to attach them in their correct positions.
1-12
(See Figs. 1 and 2.)
(See Figs.1 and 2.)
(See Fig.2.)
(See Fig. 3.)
CD & MCU board
Locking board support
Locking board support
CD & MCU board
CN703
CD pickup
assembly
CD mechanism assembly
CD pickup assembly
Damper(Gray)
B
Damper(Gray)
A
CN702
A
Fig.1
CN704
CD pickup unit
Short land part a
Fig.2
Damper(Blue)
Damper(Blue)
Fig.3
B