Sharp FDD-412A - Page 64

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FDD412A/B

4.2.4

PWB

Assembly

(FCC14)

(1)

C2)

C3)

(4)

4.2.5

(1)

(2)

Tools

and

measuring

instruments

to

be

used:

#2

Phillips

screwdriver

Disassembling

(a)

Detach

PWB

set

screws

(M4

x

2).

(b)

While

extracting

the

PWB

from

the

DD

motor

guide,

detach

connectors

A,

B

and

C.

(Keep

for

future

use

the

insulating

plate

inserted

between

PCB

and

base.)

Assembling

(a)

Insert

connectors

A,

B

and

C

into

the

PWB.

All

the

connectors

are

each

equipped

with

an

alignment

key.

Check

the

orienta-

tion

upon

insertion.

(b)

Insert

the

PWB

into

the

DD

motor

guide,

and

secure

it

with

the

PWB

set

screws.

(Have

the

insulating

plate

hole

align

with

the

PWB

set

holes.)

Adjustment

(a)

After

replacement,

set

the

mode

according

to

3.2,

"Setting

of

FDD

Operation

Mode".

Connector

A

Connector

B

(P3)

PCB

(FCC14)

PCB

set

screw

Connector

C

(P5)

=

Fig.

4.6

PCB

(FCC14)

Motor

(DD

Spindle)

Tools

and

measuring

instrument

to

be

used:

#2

Phillips

screwdriver

Disassembling

(a)

Remove

the

top

cover

as

per

the

procedure

in

4.2.1.

(b)

Open

the

plate

as

per

the

procedure

in

4.2.2.

(c)

Remove

the

PCB

as

per

the

procedure

in

4.2.4.

—58~—