JVC MX-KC4 Service Manual

1-18 (No.MB350)
3.1.10 Removing the main board
(See Fig.31 to 33)
• Prior to performing the following procedure, remove the metal
cover/ rear cover, the CD fitting and the CD changer mecha-
nism unit.
Caution:
Before disconnecting the card wire from connector CN701
on
the main board and the CD pickup board, make sure to 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 CW3
on the motor
board under the main board.
(2) From the bottom of the CD changer mechanism unit, re-
move the four screws T attaching the main board.
(3) Move the main board as shown in Fig.32 and disconnect
the wire from the connector on the CD mechanism board.
(4) Solder the short-circuit point on the CD pickup board and
disconnect the card wire from the CD pickup board.
Caution:
When reattaching the main board, make sure to connect the
card wire to connector CN701
on the main board and the CD
pickup board before unsoldering the short-circuit point.
Fig.31
Fig.32
Fig.33
TT
CN701
CD pick up
board
CD mechanism
assembly
Main board
Motor board
CW3
Main board
Motor board
CW3
Short-circuit point
CD changer
mechanism unit
CD mechanism
assembly
CD pickup board
Short-circuit point
Card wire

JVC MX-KC4 Specifications

General

Brand	JVC
Model	MX-KC4
Category	Speaker System
Language	English