Yamaha N-100 Service Manual page 9

8. PL Circuit Board
(Time required: About 10 minutes)
8-1 Remove the upper case assembly. (See procedure 2.)
8-2 Remove the screw marked [15B]. The PL circuit
board can then be removed. (Fig. 10)
* Work deliberately so as not to bend the LED.
9. Power Switch Assembly
(Time required: About 10 minutes)
9-1 Remove the upper case assembly. (See procedure 2.)
9-2 Remove the two (2) screws marked [15C]. The power
switch assembly can then be removed. (Fig. 10)
• Upper Case Assembly <Bottom view>
[14]:
[15A], [15B], [15C]: Bind Head Tapping Screw-B 3.0X8 MFZN2W3 (WE774300)
Cable of Panel cover switch
(Photo 1)
Shaft holder assembly R
Power switch assembly
[15C]
Bind Head Tapping Screw-B 3.0X10 MFZN2W3 (WE774200)
PN
10. Shaft Holder Assembly L and Shaft
Holder Assembly R
(Time required: About 10 minutes each)
10-1 Remove the keyboard cover. (See procedure 1.)
10-2 Remove the upper case assembly. (See procedure 2.)
10-3 Remove the two (2) screws marked [14]. The shaft
holder assembly L can then be removed. (Fig. 10)
* The shaft holder assembly R can be removed
in the same manner.
Shaft holder assembly L
Volume knob
Panel cover switch
(Fig. 10)
Panel cover switch
Cable
[14]
[15A]
PN
[15B]
PL
[15A]
(Fig. 11)
N-100
9