JVC RX-D402B, Service Manual

Page: 14 / 87

1-14 (No.MB448)
3.1.18 Removing the DSP connect board
(See Fig.14)
• Remove the top cover, tuner and DSP board.
(1) Disconnect the wire from the connector CN209 on the
speaker terminal 2 board.
(2) Disconnect the DSP connect board from the input board in
an upward direction while releasing the claw k of the con-
nector CN502 on the input board.
Note:
When releasing the claw k , take care not to break it.
(3) Disconnect the connector CN516 on the DSP connect
board from the input board.
3.1.19 Removing the OSD connect 1 board
(See Fig.14)
• Remove the top cover, tuner and DSP board.
(1) Disconnect the wire from the connector CN524 on the sub-
woofer board.
(2) Disconnect the wire from the connector CN513 on the OSD
connect 1 board.
(3) Disconnect the OSD connect 1 board from the main ampli-
fier board in an upward direction while releasing the claw m
of the connector CN222 on the main amplifier board.
Note:
When releasing the claw m , take care not to break it.
Fig.14
3.1.20 Removing the input board
(See Fig. 15)
• Remove the top cover, HDMI board, rear panel, tuner, sub-
woofer board, DSP board, compulink board and DSP connect
board.
(1) Disconnect the wire from the connector CN513 on the OSD
connect 1 board.
(2) Disconnect the wires from the connectors ( CN530 , CN531 ,
CN552 ) on the input board.
(3) Disconnect the parallel wire from the connector CN540 on
the input board.
(4) Remove the three screws V and take out the input board
from the main body.
Fig.15
CN222
m
OSD connect 1
board
CN516 CN209 CN524
DSP connect board
OSD connect 1 board
Speaker terminal
2 board
Input board CN513
Main amplifier board
Subwoofer
board
CN502
k
DSP connect
board
Input board
CN552
CN540
CN530
CN531
CN513
OSD connect 1 board
V V