JVC RX-D302B Service Manual page 17

3.1.25 Removing the regulator board
(See Fig.20)
• Remove the top cover, tuner, front video board, volume board,
DCDC control board, PWM modulation 1 board, PWM modu-
lation 2 board, OSD connect 1 board, master clock board and
main amplifier board.
(1) From the forward side of the main amplifier board, discon-
nect the wire from the connector CN105.
(2) Remove the two screws AA attaching the regulator board.
(3) Remove the regulator board and disconnect the parallel
wire from the connector
board.
3.1.26 Removing the heat sink
(See Fig.21)
• Remove the top cover, tuner, front video board, volume board,
DCDC control board, PWM modulation 1 board, PWM modu-
lation 2 board, OSD connect 1 board, master clock board, main
amplifier board and regulator board.
(1) From the forward side of the main amplifier board, remove
the screw AB and remove the wire holder board with the
wires.
(2) Remove the five screws AC to remove the heat sink.
CN104 on the main amplifier
Main amplifier board
CN105
AA
Fig.20
Heat sink
AC
Main amplifier board
Fig.21
Regulator board
CN104
Wire holder board
AB
AC
(No.MB383)1-17