Yamaha RX-V671 Service Manual page 22

RX-V671/HTR-6064/RX-A710
3. Removal of DIGITAL (1) P.C.B.
a. Remove 3 screws ( ) and 6 screws ( ). (Fig. 3)
b. Remove 3 screws. ( ). (Fig. 2)
c. Remove CB21, CB82, CB87 and CB947. (Fig. 2)
d. Unlock and remove CB83, CB85 and CB948. (Fig. 2)
e. Remove the DIGITAL (1) P.C.B. which is connected
directly to the OPERATION (2) P.C.B. with board-to-
board connectors. (Fig. 2)
Remove CB83, CB85 and CB948
Unlock the connector
Connected Remove the cable
Cable
Connect CB83, CB85 and CB948
Lock the connector
Connected Insert the cable
Cable
22
4. Removal of AMP Unit
a. Remove screw ( ), 2 screws ( ) and 5 screws ( ).
(Fig. 2)
b. Remove 3 screws ( ). (Fig. 3)
c. Remove the amp unit. (Fig. 2)
CB21
CB87
CB947
CB948
CB85
AMP unit
Fig. 2
Fig. 3
DIGITAL (1) P.C.B.
CB917
CB918
CB920
Board-to-board connectors
CB82
CB83
Board-to-board connectors
CB461
OPERATION (2) P.C.B.
Rear view
CB459
CB460