Yamaha GA 011589 Musical Instrument Amplifier User Manual


 
AG-Stomp
12
DISASSEMBLY PROCEDURE
Fig.1
[30]:Bind Head Tapping Screw-B 3.0x8 MFZN2BL (EP600190)
2. DM Circuit Board
(Manhour requirement: 15 min.)
2-1. Remove the bottom case. (See Procedure 1.)
2-2. DM1/2 Circuit Board (Manhour requirement: 10 min.)
Remove the one (1) screw marked [T110A], three
(3) screws marked [T120], four (4) hexagonal nuts
marked [T50A] and four (4) flat washers marked
[T60A] from the rear panel and the three (3) screws
marked [T110B] from the DM1/2 circuit board. The
DM1/2 circuit board can then be removed. Remove
the four (4) toothed washer internal tooth forms
marked [T70] as well when removing the DM1/2
circuit board from the main body. (Fig. 2)
2-3. DM2/2 Circuit Board (Manhour requirement: 5 min.)
Remove the one (1) hexagonal nut marked [T50B]
and one (1) flat washer marked [T60B]. The DM2/2
circuit board can then be removed.
Bottom
[30]
[30]
[T110A] [T50A][T60A] [T50B][T60B]
[T120]
Rear
[T50]:Hexagonal Nut 9.0 12x2 MFNI33 (LX200060)
[T60]:Flat Washer 9x14 0.5 FNM3 (VL802300)
[T120]:Bind Head Tapping Screw-P 3.0x12 MFZN2BL (VC161100)
1. Bottom Case (Manhour requirement: 5 min.)
Remove the six (6) screws marked [30]. The bottom
case can then be removed. (Fig. 1)