JVC UX-HB4 Service Manual page 12

3.1.4 Removing the CD mechanism assembly
(See Fig.11 ~ 13)
• Prior to performing the following procedure, remove the front
panel assembly, the main board and the CD mechanism as-
sembly.
CAUTION:
Before disconnecting the card wire from connector
the CD mechanism board and from CD pickup board, solder
the short-circuit point on the CD pickup board. If you do not fol-
low this instruction, the pickup may be damaged.
(1) Disconnect the wire from connector
the CD mechanism board.
(2) Remove the four screws J attaching the CD mechanism
board.
(3) Move the CD mechanism board as shown in the figure 12
and solder the short-circuit point on the CD pickup board.
(4) Disconnect the card wire from connector
mechanism board.
CAUTION:
Make sure to unsolder the short-circuit point after reconnecting
the card wire to the CD pickup board and to connector
on the CD mechanism board.
CD mechanism board
CN609
J
CN608
CD mechanism assembly
1-12 (No.MB330)
CN608
CN602 and CN609
CN608 on the CD
CN602
Fig.11
on
on
CN602
CN608
CN608
Short-circuit point
CD mechanism assembly
CD pickupz board
J
CD mechanism board
Card wire
Fig.12
Card wire
Short-circuit point
Unsolder
Fig.13