JVC TH-C90A Service Manual page 28

3.3 Subwoofwer (SP-PWC90)
3.3.1 Removing the amplifier assembly
(See Figs.1 to 3)
(1) From the back side of the speaker main body, remove
three 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 CN352 on the relay board. (See Fig.3)
(4) Take out the amplifier assembly.
1-28 (No.MB570)
A
Amplifier assembly
Fig.1
Speaker main body
Fig.2
Relay board
Amplifier assembly
Fig.3
B
B
CN352
Wire