JVC MX-JD3 Service Manual page 16

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 R attaching the leaf spring to the
heat sink and remove the regulator & surround amplifier
board from the heat sink. (See Fig.21.)
(4) Remove the three screws S attaching the main & subwoof-
er amplifier boards to the heat sink. (See Fig.21.)
1-16 (No.MB191)
Main & subwoofer
amplifier board
CN202
m
CN203
Primary board
Fig.20
Regulator & surround amplifier board
Main & subwoofer amplifier board
R
Leaf spring Heat sink
Fig.21
k
Primary board
Regulator & surround
amplifier board
S