1-16 (No.MB263)
3.1.12 Removing the regulator & surround amplifier board and main & subwoofer amplifier board
(See Figs.20 and 21)
• Prior to performing the following procedure, remove the metal
cover, tuner, video board, rear panel, main board, center chas-
sis assembly and speaker terminal board.
(1) From the top side of the main body, disconnect the regula-
tor & surround amplifier and main & subwoofer amplifier
boards in an upward direction while releasing the locks (k,
m) of the connectors (CN202
, CN203) on the primary
board. (See Fig.20.)
(2) Take out the regulator & surround amplifier and main &
subwoofer amplifier boards at the same time from the main
body.
(3) Remove the two screws S attaching the leaf spring to the
heat sink.
(4) Remove the two screws T attaching the regulator & sur-
round amplifier board and remove the regulator & surround
amplifier board from the heat sink. (See Fig.21.)
(5) Remove the four screws U attaching the main & subwoofer
amplifier board to the heat sink. (See Fig.21.)
Fig.20
Fig.21
Main & subwoofer
amplifier board
Regulator & surround
amplifier board
CN202
CN203
Primary board
k
m
Primary board
Leaf spring
S
U
Regulator & surround
amplifier board
Main & subwoofer
amplifier board
Heat sink
T
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