1-18 (No.MB479)
3.1.25 Removing the regulator board
(See Fig.21)
• Remove the top cover, tuner, front video board, DCDC control
board, PWM modulation 1 board, PWM modulation 2 board,
volume board, OSD connect 1 board, master clock board and
main amplifier board.
(1) From the forward side of the main amplifier board, discon-
nect the wire from the connector CN105
.
(2) Remove the two screws AB attaching the regulator board.
(3) Remove the regulator board and disconnect the parallel
wire from the connector CN104
on the main amplifier
board.
Fig.21
3.1.26 Removing the heat sink
(See Fig.22)
• Remove the top cover, tuner, front video board, DCDC control
board, PWM modulation 1 board, PWM modulation 2 board,
volume board, OSD connect 1 board, master clock board,
main amplifier board and regulator board.
(1) From the forward side of the main amplifier board, remove
the screw AC and remove the wire holder board with the
wires.
(2) Remove the five screws AD to remove the heat sink.
Fig.22
AB
CN105
Regulator board
CN104
Main amplifier board
Heat sink
AD
Main amplifier board
AD
Wire holder board
AC
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