JVC MX-DVA5 Service Manual page 9

Removing the power ICs and DVD power
board
Prior to performing the following procedure, remove
the metal cover, CD/ DVD changer unit, heat sink,
AMP board and DVD power board.
1. Remove the four screws P attaching the power ICs
to the heat sink.
2. Unsolder the power ICs solder point.
3. Remove the three screws Q and three screws R
attaching the DVD power board to the heat sink.
Heat sink
R
Removing the power transformer
Prior to performing the following procedure, remove
the metal cover, CD/ DVD changer unit, 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 S attaching the power
transformer.
(See Fig.16 and 17)
AMP board
DVD power board
Fig.17
(See Fig .18)
Heat sink
DVD power board
Fig.16a
Power ICs solder point
Power transformer
RCW2
S
Power cord
Fig.18
MX-DVA5
Q
P
AMP board
Heat sink
Fig.16b
PCW1
S
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