Main10 Circuit Board - Yamaha MG102c Service Manual

MG82CX/MG102C
QQ
3 7 63 1515 0
DISASSEMBLY PROCEDURE
• MG102C
1. Top Cover
(Time required: About 7 minutes)
1-1 Remove all knobs. (Fig. 1)
1-2 Remove the fourteen (14) screws marked [160],
the screw marked [163A], and twenty (20) each
hexagonal nuts and washers marked [A]. The top
cover can then be removed. (Fig. 1)
* The window level is not a component of the
top cover. When replacing the top cover, re-
move the window level and install it to the new
top cover. (Fig. 1)
* When installing the top cover on the bottom
case assembly, tighten the screws in the order
shown in Fig. 1. (Fig. 1)
2.

MAIN10 Circuit Board

(Time required: About 8 minutes)
2-1 Remove the top cover. (See procedure 1)
2-2 Remove the two (2) screws marked [100] and the
screw marked [163B]. The MAIN10 circuit board
can then be removed. (Fig. 2)
TE
L 13942296513
Screw tighten (1st)
Knob
[160]
Knob
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[160]
Knob
[160]
Bottom case assembly
x ao
y
i
8
Q Q
3 6 7 1 3
[A]
[160]
Top cover
[160]
[163A]
Screw tighten (2nd)
Window level Window level
Knob
u163
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9