Yamaha EZ-EG Manuel d'entretien - Page 7

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DISASSEMBLY PROCEDURE

Lower Case Assembly

(Time required: about 5 minutes)

1-1

Pull out the POWER knob and the VOLUME knob. (Fig. 1)

1-2

Remove the seven (7) screws marked [150]. The lower case

assembly can then be removed. (Fig. 2)

AM-1 Circuit Board

(Time required: about 5 minutes)

2-1

Remove the lower case assembly. (See procedure 1.)

2-2

Remove the six (6) screws marked [L120]. The AM-1 cir-

cuit board can then be removed. (Fig. 3)

VOLUME knob

* The knobs differs from the product.

[150]

[150]: Pan Head Tapping Screw-1 3.5X12 MFZN2BL (V9401100)

Sensor Holder A, Sensor Holder B, Speaker,

AM-2 Circuit Board

(Time required: about 25 minutes)

4-1

Remove the lower case assembly. (See procedure 1.)

4-2

Remove the DM circuit board. (See procedure 3.)

4-3

Remove the four (4) screws marked [210]. The two (2) stop-

per can then be removed. (Fig. 5)

4-4

Remove the four (4) screws marked [80]. The sensor holder

A and the sensor holder B can then be removed. (Fig. 5)

4-5

Remove the four (4) screws marked [100]. (Fig. 5)

A (Speaker terminals)

Speaker

AM-2

[80]: Bind Head Tapping Screw-P 3.0X8 MFZN2BL (EP630220)

[100]: Bind Head Tapping Screw-P 3.0X8 MFZN2BL (EP630220)

POWER knob

(Fig. 1)

Lower case assembly

[150]

(Fig. 2)

B (Speaker wire)

Stopper

[210]

Sensor holder B

DM Circuit Board

(Time required: about 10 minutes)

3-1

Remove the lower case assembly. (See procedure 1.)

3-2

Remove the four (4) screws marked [220]. The DM circuit

board can then be removed. (Fig. 4)

• Lower Case Assembly

[L120]

[L120]: Bind Head Tapping Screw-P 3.0X8 MFZN2BL (EP630220)

[220]: Bind Head Tapping Screw-P 3.0X8 MFZN2BL (EP630220)

4-6

Pull out the speaker by lifting the AM-2 circuit board about

a little. (Fig. 5)

4-7

Remove the solder from the two locations shown as A (the

speaker terminals). The speaker can then be removed. (Fig. 5)

4-8

Remove the solder from the two locations shown as B (the

speaker wire) and then remove the solder from the twelve

locations shown as C (the sensor wire). The AM-2 circuit

board can then be removed. (Fig. 5)

Sensor holder A

[100]

[210]

Stopper

[100]

[210]

[80]

C (Sensor wire)

[210]: Bind Head Tapping Screw-P 2.0X6 MFZN2BL (VG893800)

(Fig. 5)

[L120]

AM-1

[L120]

(Fig. 3)

[220]

(Fig. 4)

[80]

AM-2

EZ-EG