Removing The Heat Sink; Removing The Tuner Board; Removing The Power Transformer - JVC MX-J100 Service Manual

MX-J100

Removing the heat sink

Prior to performing the following procedure, remove
the mother(main) board.
1. Remove the three screws L attaching the heat sink
cover plate.
2. Remove the two screws M attaching the power IC to
the heat sink and the three screws N attaching the
heat sink to the mother (main) board.

Removing the tuner Board

The tuner board can be removed even if the
mother(main) board is attached.
1. Release the joint tab f of the tuner board holder and
the mother(main) board, and disconnect connector
FW1 connected to the mother(main) board. Remove
the tuner board assembly (Refer to Fig.18).
2. Remove the screw O
holder. Release the two tabs g outward and remove
the tuner board from the holder.

Removing the power transformer

Prior to performing the following procedure, remove
the top cover and the side covers.
1. Disconnect the power cord from connector RCW2 of
the power transformer.
2. Disconnect the harness from connector RCW1 of the
power transformer.
3. Remove the four screws P
transformer and the screw Q
terminal.
ATTENTION: Prior to disconnecting the power cord
from the body, remove the rear panel.
RCW1
Power transformer
1-10
(See Fig.17 and 18)
(See Fig. 18 to 20)
attaching the tuner board
(See Fig .21)
attaching the power
attaching the earth
Q
RCW2
P
Power cord
P
Fig.21
Heat sink cover plate
Joint tab f
Tuner board
Heat sink cover plate
Heat sink
Tuner board
FW1
O
Tuner board holder
L
M
Fig.17
FW1
Mother(main) board
N
Fig.18
Mother(main) board
Fig.19
Tab g
Tuner board
Tab g
Fig.20