JVC RX-D302B Service Manual page 16

3.1.24 Removing the main amplifier board
(See Figs.18 and 19)
• 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, OSD board and master
clock board.
(1) Disconnect the wire from the connector
speaker terminal 1 board. (See Fig.18.)
(2) Disconnect the wire from the connector
speaker terminal 2 board. (See Fig.18.)
(3) Remove the tie bands bundling the wires. (See Fig.18.)
Reference:
After reassembling, bundle the wires with the new tie
bands as before. (See Fig.18.)
(4) Disconnect the wires from the connectors (CN10, CN103,
CN106, CN111, CN351) on the main amplifier board. (See
Fig.18.)
(5) Disconnect the card wire from the connector
main amplifier board. (See Fig.18.)
(6) Disconnect the wires from the connectors (CN530, CN531)
on the input board. (See Fig.19.)
(7) Disconnect the parallel wire from the connector
the input board. (See Fig.19.)
(8) Remove the four screws Y and two screws Z. (See Fig.19.)
(9) Take out the main amplifier board with the regulator board
from the main body. (See Fig.19.)
1-16 (No.MB383)
CN103
CN265 on the
CN262 on the
CN102 on the
CN540 on
Regulator board
Y
Input board
Main amplifier board
CN106
CN10
CN102
CN111
CN262 CN265
Tie bands
Speaker terminal 2 board
Speaker terminal 1 board
Fig.18
Main amplifier board
Z
CN540
CN531
CN530
Fig.19
CN351
Tie band
Y
Y