1-12 (No.MB188)
3.1.8 Removing the main amplifier board/subwoofer amplifier boards
(See Figs.15 to 17)
• Prior to performing the following procedures, remove the metal
cover, tuner, video board, rear panel and main board.
(1) From the top side of the main body, disconnect the wires
from the connector (
CN206
,
CN208
) on the bridge board.
(See Fig.15.)
(2) From the back side of the main body, remove the tie band
bundling the wires. (See Fig.16.)
Reference:
After reassembling, bundle the wires with the new tie
band as before. (See Fig.16.)
(3) Disconnect the connectors (
CN600
,
CN700
) on the main
amplifier/subwoofer amplifier boards from the connection
board in the direction of the arrow. (See Fig.16.)
(4) Remove the two screws
M
and screw
N
attaching the main
amplifier board. (See Fig.17.)
(5) Removing the two screws
P
and screw
Q
attaching the
subwoofer amplifier board. (See Fig.17.)
Fig.15
Fig.16
Fig.17
Wires
CN206
CN208
Bridge board
CN600
CN700
Main amplifier board
Connection board
Heat sink
Subwoofer amplifier board
Wires
Tie band
Main amplifier board
M
N
Q
P
Subwoofer amplifier board