JVC RX-D205SJ, Service Manual

Page: 11 / 67

(No.MB534)1-11
3.1.15 Removing the main amplifier board
(See Figs.11 and 12)
• Remove the top cover, tuner, 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 CN509 on the input
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 P and four screws Q attaching the
main amplifier board. (See Fig.12)
(6) Take out the main amplifier board with the regulator board
2 from the main body. (See Fig.12)
3.1.16 Removing the regulator board 2
(See Fig.12)
• Remove the top cover.
(1) From the top side of the main amplifier board, disconnect
the wire from the connector CN204 on the main amplifier
board.
(2) Remove the two screws R attaching the regulator board 2
from the heat sink.
Fig.11
Fig.12
3.1.17 Removing the heat sink
(See Fig.13)
• Remove the top cover, tuner, compulink board, rear panel,
DSP board, video board, volume board and main amplifier
board.
From the forward side of the main amplifier board, remove the
two screws
S and remove the heat sink.
Fig.13
Input board
Front input board
CN111
CN921
CN911
CN105
CN509
CN261
CN262,CN263
Speaker terminal 2 board
Speaker terminal 1 board
Main amplifier board
Regulator board 2
CN204
Q
P
R R
P
Main amplifier board
Heat sink
S
Main amplifier board
S