Disassembly Procedures - Yamaha R-N402 Service Manual

■ DISASSEMBLY PROCEDURES

(Remove parts in the order as numbered.)
Disconnect the power cable from the AC outlet.
1. Removal of Top Cover
a. Remove screw (1), 4 screws (2) and 6 screws (3). (Fig. 1)
b. Remove the top cover. (Fig. 1)
2. Removal of Front Panel Unit and Sub-Chassis Unit
a. Remove the knobs. (Fig. 1)
b. Remove 5 screws (4). (Fig. 1)
c. Release 6 hooks (A) and then remove the front panel unit forward. (Fig. 1)
d. Remove screw (5) and 6 screws (6). (Fig. 1)
e. Remove CB101, CB201, CB301 (DIGITAL (1)), CB301 (MAIN (1)) and CB503. (Fig. 1)
f. Release 2 hooks (B) and then remove the sub-chassis unit. (Fig. 1)
Top cover
MAIN (5) P.C.B.
Sub-chassis unit
Front panel unit
5
6
6
4
Knob
②
①
CB301 (MAIN (1) P.C.B.)
CB101 (MAIN (1) P.C.B.)
Hook B
Hook A
CB201
MAIN (2) P.C.B.
③
③
Hook
A
Hook
6
Fig. 1
R-N402/R-N402D
③
②
DIGITAL (1) P.C.B.
CB503
MAIN (1) P.C.B.
CB301 (DIGITAL (1) P.C.B.)
B
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