Yamaha GA 011589 service manual PN 1/2

AG-Stomp

Topcover

[T70]

DM 2/2

DM 1/2

[T110B]

[T70]:Washer 9.0 MFZN2Y (ET800150)

[T110]:Bind Head Tapping Screw-B 3.0x8 MFZN2BL (EP600190)

Fig.2

3.PN Circuit Boards (1/2, 2/2) (Manhour requirement: 20 min.)

3-1. Remove the bottom case. (See Procedure 1.)

3-2. Remove the DM1/2 and DM2/2 circuit boards. (See Procedure 2.)

3-3-1.PN 1/2 Circuit Board (Manhour requirement: 10 min.)

Remove the controls, knobs and hexagonal nuts from the front panel, the three (3) screws marked [T110] and the shield film from the PN1/2 circuit board.The PN1/2 circuit board can then be removed. (Fig. 3)

3-3-2.PN 2/2 Circuit Board (Manhour requirement: 5 min.)

Remove the four (4) hexagonal nuts and the four (4) flat washers marked [T80] from foot switches. The PN 2/2 circuit board can then be removed. (Fig. 3)

[T80]

Hexagonal Nut

[T80]

[T110]	[T110]
PN 1/2	shield film
PN 2/2

Hexagonal Nut

[T80]:Flat Washer 12x17 0.5 MFNI33 (V7407400)

[T110]:Bind Head Tapping Screw-B 3.0x8 MFZN2BL (EP600190)

Fig.3

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