JVC RX-D212BJ Service Manual page 11

3.1.16 Removing the main amplifier board
(See Figs.11 and 12)
• Remove the top cover, tuner, XM board, AV compulink board,
rear panel, DSP board, video board and volume board.
(1) From the top side of the main body, disconnect the wires
from the connectors (CN261, CN262, CN263) on the
speaker terminal 1 and 2 board. (See Fig.11)
Reference:
Remove the tie bands bundling the wires.
(2) Disconnect the wires from the connectors (CN105, CN111)
on the main amplifier board. (See Fig.11)
(3) Disconnect the wire from the connector
board. (See Fig.11)
(4) Disconnect the wires from the connectors (CN911, CN921)
on the front input board. (See Fig.11)
(5) Remove the two screws Q and four screws R attaching the
main amplifier board. (See Fig.12)
(6) Take out the main amplifier board with the regulator board
from the main body. (See Fig.12)
3.1.17 Removing the regulator board
(See Fig.12)
• Remove the top cover.
(1) From the top side of the main amplifier board, disconnect
the wire from the connector
board.
(2) Remove the two screws S attaching the regulator board
from the heat sink.
CN509 on the input
CN204 on the main amplifier
Main amplifier board
CN111
CN105
CN509
Input board
CN262,CN263
Speaker terminal 2 board
Fig.11
CN204
S
Regulator board
Q
Main amplifier board
Fig.12
Front input board
CN921
CN911
CN261
Speaker terminal 1 board
S
Q
R
(No.MB525)1-11