Internal View; Disassembly Procedures - Yamaha AX-496 Service Manual

I INTERNAL VIEW
1 2
7 8 9 0
I DISASSEMBLY PROCEDURES
(Remove parts in the order as numbered.)
1. Removal of Top Cover
Remove 4 screws (1) and 4 screws (2) in Fig. 1.
2. Removal of Front Panel
a. Remove 6 screws (3) in Fig. 1.
3. Checking and Parts Replacement of MAIN P.C.B. (1)
a. Disconnect the power cord from the AC outlet.
b. Remove 3 screws (4) attaching the Speaker terminal
and Impedance Selector in Fig. 1.
c. Remove 2 screws (5) and remove 1 plastic rivet (6) in
Fig. 1, then remove the Sub Chassis.
d. Remove 4 screws (7) in Fig. 1, then remove the MAIN
P.C.B. (1) with Heat Sink and Chassis.
3 4 5 6
A B
1 AX-496: MAIN P.C.B. (6) / AX-396: MAIN P.C.B. (7)
2 MAIN P.C.B. (2)
3 MAIN P.C.B. (1)
4 MAIN P.C.B. (3)
5 FUNCTION P.C.B. (4)
6 FUNCTION P.C.B. (5)
7 MAIN P.C.B. (9)
8 MAIN P.C.B. (8)
9 FUNCTION P.C.B. (7)
0 FUNCTION P.C.B. (6)
A FUNCTION P.C.B. (1)
B FUNCTION P.C.B. (2)
1
3
5
5
3
7
AX-496/396
2
6
1
7
7
4
4
Fig. 1
6