JVC RX-8040B Service Manual page 6

3.4 Removing the I/O board
(See Fig.4)
• Prior to performing the following procedures, remove the top
cover and rear panel.
(1) From the top side of the main body, remove the two plastic
rivets in the direction of the arrow 1, and remove the stop-
per boards in the direction of the arrow 2.
(2) Cut off the tie bands bundling the wires.
(3) Disconnect the wire from the connector
ter board.
(4) Disconnect the wire from the connector
board (L).
(5) Disconnect the wire from the connector
round back board.
(6) Disconnect the wire from the connector
board (R).
(7) Disconnect the wire from the connector
board.
(8) Disconnect the I/O board from the connectors (CN205,
CN361, CN381 and CN501) in an upward direction.
1-6 (No.MB303)
Front
board(R)
CN719
CN722 on the cen-
Main
board
CN714 on the front
CN723
CN717 on the sur-
CN381
CN719 on the front
CN501
CN723 on the main
Plastic
rivet
Stopper
board
CN361
Surround back board Front board(L)
CN717
2
2
1
1
CN205 Stopper board Plastic rivet
Fig.4
Center board
CN714
Tie
band
CN722
Tie
bands
I/O board