(No.MB500)1-7
3.1.3 Removing the fan motor
(See Fig. 4)
• Remove the top cover.
(1) Remove the tie band bundling the wires.
(2) From the top side of the main body, disconnect the wire
from the connector
CN103
on the main amplifier board.
(3) Remove the three screws
E
and take out the fan motor as-
sembly.
(4) Remove the two screws
F
attaching the fan motor to the fan
bracket.
Fig.4
3.1.4 Removing the HDMI board
(See Figs.5 and 6)
• Remove the top cover.
(1) From the back side of the main body, remove the three
screws
G
attaching the HDMI board to the rear panel. (See
Fig.5)
(2) From the top side of the main body, remove the screw
H
at-
taching the HDMI board. (See Fig.6)
(3) Disconnect the card wires from the connectors (
CN731
,
CN732
, and
CN762
) on the HDMI board. (See Fig.6)
(4) Disconnect the parallel wire from the connector
CN711
on
the HDMI board. (See Fig.6)
(5) Take out the HDMI board from the main body. (See Fig.6)
3.1.5 Removing the DSP board
(See Figs.5 and 6)
• Remove the top cover and fan motor.
(1) From the back side of the main body, remove the five
screws
J
attaching the DSP board to the rear panel. (See
Fig.5)
(2) From the top side of the main body, remove the screw
K
at-
taching the DSP board. (See Fig.6)
(3) Disconnect the connector
CN681
on the DSP board from
the DSP connect board. (See Fig.6)
Note:
When removing the DSP board, take care not to break
the claw of the connector on it.
(4) Take out the DSP board and disconnect the wires from the
connectors (
CN661
,
CN682
, and
CN683
) on the forward
side of the DSP board. (See Fig.6)
(5) Disconnect the card wires from the connectors (
CN651
,
CN652
) on the DSP board. (See Fig.6)
(6) Take out the DSP board from the main body.
Fig.5
Fig.6
Fan motor assembly
CN103
Main amplifier board
F
Fan motor
F
Fan bracket
E
E
Rear panel
G
J
H
K
HDMI board
CN771
CN762
CN651
CN681
DSP board
CN661
CN683
CN682
CN652
CN731
CN732