JVC RX-DV31SL Service Manual page 9

3.1.8 Removing the amp. board
(See Fig.11)
• Prior to performing the following procedures, remove the top
cover and rear panel.
(1) From the top side of the main body, disconnect the wire
from the connector CN201 on the amp. board.
(2) Remove the screw K attaching the earth wire to the heat
sink barcket.
(3) Remove the four screws L attaching the amp. board.
(4) Disconnect the connector CN202 on the amp. board.
(5) Lift the amp. board and disconnect the wire from the con-
nector CN231 on the main board.
(6) Disconnect the parallel wire from the connector CN241 on
the main board and take out the amp. board.
3.1.9 Removing the heat sink
(See Fig.12)
• Prior to performing the following procedures, remove the top
cover, rear panel and amp. board.
(1) Remove the screw M attaching the H.sensor board.
(2) Remove the five screws N attaching the IC bracket, heat
sink bracket and heat sink.
3.1.10 Removing the power ICs
(See Fig.13)
• Prior to performing the following procedures, remove the top
cover, rear panel, amp. board and heat sink.
(1) From the reverse side of the amp. board, remove the sol-
ders from the soldered points b attaching the power ICs to
the amp. board.
K
Heat sink bracket
L
CN241
Fig.11
Heat sink
Heat sink bracket
IC bracket
N
Fig.12
Amp. board
Power ICs solbered points b
Fig.13
CN201
Earth wire
CN202
Amp. board
Main board
CN231
M
H. sensor board
N
N Amp. board
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