Yamaha RX-V730 Service Manual page 4

RX-V730/RX-V730RDS/RX-V630/RX-V630RDS
HTR-5560/HTR-5560RDS/DSP-AX630/DSP-AX630SE
4. Removal of DSP P.C.B.
a. Remove 4 screws (7) and 1 screw (8), and then
remove the Shield Case Cover. (Fig. 3)
b. Remove 2 screws (9). (Fig. 3)
c. Remove 5 screws (0). (Fig. 4)
d. Remove CB306. (Fig. 3)
e. Remove the Shield Case and the DSP P.C.B.. (Fig. 3)
0
5. Removal of FUNCTION (1) ~ (6), POWER (8) P.C.B.s
and Tuner
a. Remove CB308. (Fig. 5)
b. Remove 25 screws (A). (Fig. 4)
c. Remove 1 screw (B). (Fig. 5)
d. Remove FUNCTION (1) ~ (6), POWER (8) P.C.B.s and
the Tuner. (Fig. 5)
When checking the P.C.B.:
• Put a rubber sheet and a cloth over the equipment.
Then place the P.C.B. upside down on the cloth and
check it. (Fig. 6)
• Reconnect all cables (connectors) that have been
disconnected.
• The P.C.B. removed from the rear panel no longer has
a ground connection. Be sure to connect the ground of
each P.C.B. to the chassis or GND with a jumper wire
or the like.
16
CB306
8
7
9
Fig. 3
A F E
Fig. 4
7 8
9
0
7
7
H
A
B