JVC MX-K6 Service Manual page 10

MX-K5/MX-K6
Removing the main Board
Prior to performing the following procedure, remove
the metal cover, CD changer unit.
1. Disconnect the card wire from connector FCW3 and
the harness from connector JCW1, JCW2 and
HCW3 on the main board.
2. Disconnect the harness from connector PCW1 on
the power transformer board.
3. Remove the screw G attaching the main board
holder. (See Fig.12)
4. Remove the two screws N attaching the heat sink
and bottom chassis.
Removing the power IC
Prior to performing the following procedure, remove
the metal cover CD changer unit and heat sink &
AMP board.
1. Remove the two screws P attaching the power IC to
the heat sink.
2. Unsolder the power IC solder point.
Removing the power transformer
Prior to performing the following procedure, remove
the metal cover, heat sink & AMP board, tuner pack
and rear cover.
1. Disconnect the power cord from connector RCW2 of
the power transformer board.
2. Disconnect the harness from connector PCW1 of the
power transformer board.
3. Remove the four screws R attaching the power
transformer and the screw S attaching the earth.
1-10
(See Fig. 18)
(See Fig.19 and 20)
(See Fig .21)
JCW2 JCW1 HCW3
FCW3
PCW1
Transformer board
Fig.18
Heat sink
Fig.19
Power ICs solder point
Fig.20
Power transformer
RCW2
R
Power cord
Main board
N
P
AMP board
Heat sink
PCW1
S
R
Fig.21