Yamaha MDX-9 Service Manual download pdf (Page 6)

MDX-E100

Disassembly of MD Mechanical Unit

Remove the MD mechanical unit according to Steps 1 - 3 of the disassembly procedure (page 4).

Removal of Magnetic Head (Fig.5)

1. Remove a screw (A1).

Caution

a. When removing the magnetic head, hold its base and

do not touch the magnetic head itself or the leaf

spring.

b. Place the magnetic head upside down.

c. Use special care so as not to cause any damage to

the magnetic head when installing it.

(A1)x1

ø1.7x5mm

Fig. 5

( Q2 ) x 1

( Q1 ) x 4

1.7 x 3mm

( Q2 ) x 1

( Q2 ) x 3

(Q2)x1

(R1)x4

ø1.7x8.9mm

Removal of MD Main P.C.B. (Fig. 3)

1. Remove 4 screws (Q1).

2. Remove 6 connectors (Q2).

Removal of MD Mechanism (Fig.4)

1. Remove 4 screws (R1).

Caution

Almost the entire surface of the cartridge holder is

coated with oil. When removing the mechanism, hold it

at the rear end (where marked with arrows in the figure)

and avoid touching the oiled surface.

Fig. 4

Fig. 3

Flexible P.C.B. for

optical pickup (*1)

MD Main P.C.B.

(*1) After pulling off the flexible P.C.B.

for the optical pickup from the

connector, cover its end with

aluminum foil or the like which is

electrically conductive so as to prevent

the optical pickup from being

damaged by static electricity.

Frame

Cartridge Holder

Magnetic Head

MD Mechanism

Black

Gray

MD Mechanism

Leaf Spring

Sheet, Head

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Yamaha MDX-9 Service Manual Page 6

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