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2.1.8 Removing the fan motor (See Figs.17 and 18.)
• Remove the top cover.
• Remove the amplifier board.
(1) From the top side of the main body, remove the fan cover.
(See Fig.17.)
(2) Remove the tie band banding the fan motor wire and then
disconnect the fan motor wire from the connector CN174
on the power board. (See Fig.17.)
(3) Remove the screw Q and screw R attaching the fan brack-
et. (See Fig.17.)
(4) Remove the two screws S attaching the fan motor to the
fan bracket. (See Fig.18.)
Reference:
When attaching the screw Q, attach the lug wire of the
front panel assembly at the same time.
Front panel assembly
Q
Lug wire
Fan cover
Fan motor wire
Tie band
CN174
Fan motor
Fan bracket
Power board
Fig.17
Fan motor
Fan bracket
S
Fig.18
2.1.9 Removing the power board (See Fig.19.)
• Remove the top cover.
• Remove the amplifier board.
(1) From the top side of the main body, disconnect the card
wires from the connectors CN172 and CN173 on the power
board.
(2) Remove the tie band banding the fan motor wire and then
disconnect the fan motor wire from the connector CN174
on the power board.
(3) Disconnect the power cord from the connector CN101 on
the power board.
(4) Remove the screw T and three screws U attaching the
power board.
Fan motor wire
Tie band
CN174
CN173
R
CN172
U
T
Power board
CN101
Power cord
Fig.19
TH-A75
U
Card wires
(No.22009)1-9
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