Sansui CD-V1000 - 8. How to Replace Main Parts

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A.Bonnet

a)

1.

Remove

the

two

screws

on

either

side

and

the

two

screws

on

the

rear

panel.

B.

Front

Panel

Assembly

(9)

1.

Remove

the

two

screws

securing

the

front

panel,

the

three

screws

on

the

bottom,

and

the

two

screws

on

the

inside.

2.

Detach

F-5746

and

F-5748

from

the

front

panel.

C.Disc

Tray

(4)

(See

Fig.

8-1

and

8-2)

1.

Remove

the

bonnet.

2.

Turn

the

L

gear

(5)

in

the

direction

of

the

arrow

until

the

clamp

arm

is

fully

up.

3.

Grasp

the

disc

tray

with

your

hand

and

pull

it

forward

until

it

is

se-

cured

by

the

leaf

switch

holder

A).

4.

Turn

the

switch

holder

fully

counterclockwise

(in

the

direction

of

the

arrow).

Note:

Be

sure

to

set

the

switch

holder

back

in

its

original

position

after

instailing

the

disc

tray.

5.

Pull

the

disc

tray

out

forward.

Fig.

8-1

:

L

Pully

(8

D.Clamp

Arm

Assembly

(3)

1.

Move

the

supporting

part

to

the

left

and

detach

-from

the

holder.

Fig.

8-2

Leaf

Switch

@9

Disc

Tray

(@)

Leaf

Switch

Front

Panel

@g)

E.

Mechanism

Chassis

1.

Remove

the

four

fixing

screws

2.

Remove

the

ground

wire

fixing

screw

63).

3.

The

mechanism

chassis

can

now

be

turned

over.

F,

Spindle

Motor

1.

Remove

the

bonnet.

2.

Remove

the

disc

tray

and

the

clamp

arm.

3.

Detach

the

turntable

from

the

spindle

motor

shaft.

4.

Remove

the

two

spindle

fixing

screws

65.

NOTE

ON

INSTALLATION:

Adjust

the

height

of

the

turntable

as

follows:

Insert

the

turntable

into

the

motor

shaft,

place

a

level

regu-

lator

on

the

top,

and

press

in

until

the

regulator

touches

the

shat.

(Make

the

tip

of

the

shaft

and

the

tip

of

the

turntable

the

same

height.)

od

DEAY

a

nel

010

8.HOW

TO

REPLACE

MAIN

PARTS

(see

Exploded

View

on

Page

9,

10)

G.Pick-up

Head

Assembly

Remove

the

bonnet.

Remove

the

disc

tray

and

the

clamp

arm.

Remove

the

two

pick-up

mounting

screws

69.

Disconnect

the

two

lead

connectors

to

RF/servo

board

F-5794.

Remove

the

supporting

rail

a).

GB

NS

=

Cautions

When

Removing

The

Laser

Pick-up

For

Repairing

(See

Fig.

8-3)

Before

removing

the

laser

pick-up,

short-circuit

the

terminals

by

sol-

dering.

This

is

to

prevent

damage

to

the

pick-up

during

removal

operation.

.

1.

Solder

the

pick-up

terminals.

Detach

2

lead

connectors.

=

Cautions

When

Replacing

The

Laser

Pick-up

1.

Insert

the

2

pick-up

lead

connectors

into

the

APC

mechanism

PCB.

2.

Detach

the

short-circuited

pick-up

terminal

soldering.

*

The

terminal

is

factory

sldered

for

protection,

so

use

the

same

proce-

dure

when

replacing

the

pick-up

with

a

new

one.

Fig.

8-3

Pick-up

Head

Ass’y

(Pattern

Side)

APC

Mechanism

Board

eo0000000

e0o0o00000

ooo

ooo

00

e000

00000

Solder

this

Position

H.Loading

Belt

47)

(see

Fig.

8-4)

1.

Remove

the

bonnet.

2.

Open

the

hook

switch

arm

holder

(C)

outward

and

remove

the

switch

arm.

3.

Remove

the

cam

gear

4,

Remove

the

slit

washer

5.

Remove

the

square

belt

;

NOTE

ON

INSTALLATION:

Do

as

follows

when

installing

the

switch

arm

last:

*

Set

so

that

part

(©)

on

the

can

gear

is

to

the

left

of

part

©)

the

arm

of

the

switch

arm.

*

Set

so

that

the

center

armature

of

the

leaf

switch

@

is

in

the

bottom

of

the

switch

arm.

(|

ah

@

and

drive

gear

(4.

and

the

L

gear

(5).

Fig.

8-4

i

Switch

Arm

(8)

14