JVC TH-C90A Service Manual page 35

3.4 Subwoofer (SP-PWC60)
3.4.1 Removing the amplifier assembly
(See Figs.1 to 3)
(1) From the back side of the speaker main body, remove two
screws A attaching the amplifier assembly. (See Fig.1.)
(2) From the bottom side of the speaker main body, remove
the eight screws B attaching amplifier assembly. (See
Fig.2.)
(3) From the top side of the speaker main body, move the am-
plifier assembly backward and disconnect the wire from the
connector CN274 on the relay board. (See Fig.3)
(4) Take out the amplifier assembly.
Amplifier assembly
Fig.1
Speaker main body
Fig.2
Amplifier assembly
Fig.3
A
B
B
Wire
CN274
(No.MB570)1-35