Dokorder 7700 - 4 Removalof Parts; Outer Parts; Front Panel; Amp Panel

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4. REMO\/AL

OF

OUTER

PARTS

'Y

U

v

4.1 FRONT P

1.

Referring

to

Fig. 4-1.

withdraw

head cover

O

and

remove

head cover

posts

@

by

turning them

counterclockwise

with

pliers

or

box driver.

2.

Holding

pinch

roller

@

stitl,

turn

counterclock-

wise screw

@

securing

pinch

roller dressing

washer

@

and

withdraw the

screw together

with

the dressing

washer.

Then

extract

nylon

washer

@

anO

the

pinch

roller

from the

pinch

roller

s

h

aft.

NOTE:

When

extracting

the

pinch

roller,

take

care

not

to

lose

the

nYlon washer.

3.

Remove

four

screws

@

anA

@

securing the

front

panel

by

turning

them

counterclockwise;

then

remove the

panel

itself

by

moving it as the

arrow

in

the illustration

shows.

NOTE:

When mounting the

front

panel,

reverse

the steps

described

above.

Take note that

cup

washer

@

should

be

fitted on the

two screws

securing

the

bottom

part

of

the front

panel.

Also,

note that

conduc-

tive

rubber

washer

@

shoutO

be

f itted

on the screw securing

the

right side of the

front

panel.

This is

for

grounding

the

front

panel.

v

4-2

AMP

PANEL

1.

Withdraw

control

knobs-RECORD

LEVEL CONTROLS

and

PLAYBACK LEVEL

CONTROLS.

2.

Remove

the two

screws

(BS-3

X 6)

above and

(BS-3

X

18)

below the

level

meters

by

turning

them

counter-

clockwise.

Then,

remove the

four screws

(BS-4

X

15)

that

secure

the

amp

panel.

NOTE:

Take care

not

to lose

the

nylon

washer

when'removing

the

two

screws

above and

below

the

level

meters.

3.

When

mounting the

amp

panel,

reverse the

steps

described

above'

NOTE:

Fit and tighten

the

screws

only after

checking

to see that

the

record

indicator

LEDs are

correctly

fitted in the

holes on

the

amp

panel

and

that

the

level

meters

are also

fitted correctly

in

the amp

panel

holes. Take

note that

the

conductive

rubber

washer

should be

fitted

on the

screw that

secures

the

upper

right

side

of the

amp

panel

(see

4-1. 3 above)'

4.3

TOP

AND BOTTOM

BOARDS

1.

Remove

the six

black-painted

screws

(RS-3

X

6)

that secure

the top

board.

2.

To remove

the

botrom

board,

remove

the

four screws

{RS-3

X

i4)

securing

the two

FOOT ASS'YS

by

turning

them

counterclockwise.

Then

remove

the

FOOT ASS'YS

themselves'

3.

With the

FOOT ASS,YS

dismounted,

remove

the

screw

(RS-3

X

8)

securing

the

bottom

board

at its

center

by

turning

it counterclockwise,

then

remove the

bottom

board

itself'

4. When

mounting the

top and

bottom

boards, take

care

not to confuse

the

screws

securing

the top

board

with

those

securing

the

bottom

board;

they

are

different

in size

and

finish.

(e)

aI

F-a

Fig.4-1

v