Disassembly Procedures - Yamaha RX-497 Service Manual

RX-497

DISASSEMBLY PROCEDURES

• Remove parts in disassembly order as numbered.
• Disconnect the power cable from the AC outlet.
1. Removal of Top Cover
q
a. Remove 4 screws (
e
( ). (Fig. 1)
b. Slide the Top Cover rearward to remove it. (Fig. 1)
2. Removal of Front Panel Unit
a. Remove 5 knobs (INPUT, BASS, TREBLE, BALANCE
and LOUDNESS).
r
b. Remove 1 screw (
Top. (Fig. 1)
c. Remove 7 screws (
Panel Unit. (Fig. 1)
3. Removal of Plate Side
Remove 2 push rivets (
Side L/R. (Fig. 1)
Front Panel Unit
t
Knob
t
Knob
8
w
), 1 screw ( ) and 4 screws
) and then remove the Support
t
) and then remove the Front
y
) and then remove the Plate
Sub Chassis Unit
CB404
u
r
Support Top
u
4. Removal of Sub Chassis Unit
a. Remove 2 screws (
Unit forward. (Fig. 1)
b. Loosen the harness fixture fixing the cable.
c. Remove connectors CB103, CB401, CB404, CB506,
CB606 and CB611 and then remove the Sub Chassis
Unit. (Fig. 1)
Top Cover
q
w
CB401
CB103
y
Plate Side L
CB611
Fig. 1
u
) and then slide the Sub Chassis
e
q
CB506
CB606
y
Plate Side R