Sony PS-X6 User manual

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AEP,

UK,

E

model

PS-X6:

AEP,

UK,

E

model

Cartridge

in

only

supplied

with

the

turntable

system

of

E

model.

SPECIFICATIONS

GENERAL

Wow

and

Flutter:

Power

Requirements:

©

120V

ac,

60

Hz

(US,

Canadian

model)

110,

120,

220

or

240V

ac,

50/60

Hz

S/N

Ratio:

(AEP,

Ul,

Emadell

Initial

Drift:

8W

(US,

Canadian

model)

12W

(AEP,

UK,

E

model)

Approx.

445

(w)

x

150

(h)

x

375

(d)

mm

17

Yy

(w)

x

5

V/s

(h)

x

14

94

(d)

inches

including

projecting

parts

and

controls

Power

Consumption:

Dimensions:

TONEARM

Load

Characteristics:

Speed

Deviation:

SONY-00830

US

Model

Canaaian

Model

AEP

Model

UK

Model

E

Model

FULL

AUTOMATIC

~

STEREO

TURNTABLE

SYSTEM

+

0.045%

(DIN)

0.025%

{(WRMS)

73dB

(DIN-B)

Within

0.0003

%

At

150g

tracking

force

0%

Within

0.003%

H

ical

i

f

pi

Weight:

US,

Canadian

model

Type

Statically

balances

universal

pivot

Approx.

10.3

kg,

22

1b

12

0z

(net)

Pivot

to

Stylus

Length:

216.5mm,

81/2

inches

Approx.

12.1kg,

261b

1102

(in

aes

Overall

Arm

Length:

300mm,

117%

inches

carton

’

AEP,

UK,

E

model

Overhang:

16.5mm,

2/32

inches

Approx.

10.9

kg,

24

tb

(net)

ing

E

:

43°

~1°

Approx.

12:7

kg,

28

ib

(in

shipping

carton)

TERRE

SE1On

ale

Tracking-force

TURNTABLE

as

Adjustment

Range:

0-39

Platter:

31.7cm

(12%

inches),

Shell

Weight:

10.59

aluminum-alioy.

diecast

Cartridge

Weight

Range:

2.5-9.59

Motor:

DC

servo-controlied

motor

8-14.59

(brushless

and

slotless)

Direct

drive,

crystal

lock

contro!

system

33

3

rpm,

45

rom

Comes

to

nominal

speed

within

a

third

revolution

(33

1/3

rpm)

Drive

System:

Speed:

Starting

Characteristics:

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

!{DENTIFIED

BY

SHADING

ON

THE

SCHEMATIC

DIAGRAMS

AND

IN

THE

PARTS

LIST

ARE

CRITICAL

TO

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

AS

SHOWN

IN

THIS

MANUAL

OR

IN

SUPPLEMENTS

PUBLISHED

BY

SONY.

(with

extra

weight)

—

Continued

on

page

2

—

ON

Y.

SERVICE

MANUAL

PS-X6/X7

|

CARTRIDGE

(XL-15:

E

model)

Type:

Moving

magnet

type

Frequency

Range:

10—30,000

Hz

Channel

Separation:

25

dB

at

1

kHz

Output

Voltage:

4

mV

at

1kHz,

5cm/sec.

45°

Load

Impedance:

50k2

Tracking

Force:

1.2—2.5g

(1.79

recommended)

Stylus:

Sony

ND-15G

(conical

0.6

mil

diamond)

Weight:

5.2g

MODEL

IDENTIFICATION

—

Specification

Label

—

PS-X6:

US,

Canadian

model

STEREO

TURNTABLE

SYSTEM

MODEL

NO.

PS

-

XG

AC

120V

60Hz

8W

SERIAL

NO.

Pac

On

name

MADE

IN

JAPAN

PS-X7:

US,

Canadian

model

STEREO

TURNTABLE

SYSTEM

MODEL

NO.PS

-X7

AC

120V

60Hz

8W

SERIAL_

NO.

MADE

IN

JAPAN

—

Power

Cord

of

E

model

—

Euro-plug

Parallel-blade

plug

PS-X6:

PS-X7:

AEP,

UK,

E

model

STEREO

TURNTABLE

SYSTEM

MODEL

NO.

PS-X6

~

110.120.

220.240V

50/60Hz

12W

SERIAL

NO.

MADE

IN

JAPAN

4-853~-094-0}

AEP,

UK,

E

model

STEREO

TURNTABLE

SYSTEM

MODEL

NO.

PS~

X

7

~

110.

120,220.

240V

50/60Hz

!2W

SERIAL

WO

MADE

IN

JAPAN

4-853~

092-01

PS-X6/X7

SECTION

1

OUTLINE

1-1.

MECHANICAL

DESCRIPTION

Automatic

Operation

Mechanism

tonearm

See

Fig.

1-4.

main

lever

See

Figs.

1-5

and

1-7.

main

gear

shutter

size

selector

cam

See

Fig.

1-6.

See

Fig.

1-2.

Fig.

1-1.

PS-X6/X7

The

PS-X6

and

PS-X7

are

a

full-automatic

turn-

table

system,

which

means

that

the

tonearm

will

move

across

to

the

record

and

commence

to

play,

and

then

return

to

the

arm

rest

again

after

the

completion

of

the

record,

simply

by

the

operation

of

control

buttons.

This

cycle

of

operations

is

per-

formed

by

the

transfer

of

a

series

of

changes

from

the

main

gear

cam

to

the

main

lever.

This

series

of

changes

is

described

below.

Operations

During

Start

of

Play

1...

The

tonearm’s

horizontal

movement

1.

When

the

metal

part

of

the

START/STOP

button

is

touched

by

the

hand,

the

system

control

circuit

is

activated,

resulting

in

the

motor

commencing

to

rotate,

and

current

flowing

through

the

solenoid

(PM).

2.

With

current

flowing

through

the

solenoid,

the

kick

lever

is

pulled

in

direction

qd),

resulting

in

tip

A)

of

the

kick

lever

pushing

against

part

of

the

sub-gear

(L).

This

sub-gear

is

thus

pushed

out

in

direction

®

to

engage

the

center

gear

mounted

on

the

motor

shaft.

(See

Fig.

1-2.)

main

gear

center

gear

pivot

sub-gear

(R}

solenoid

(PM)

sub-gear

{L)

pivot

kick

lever

solenoid

(PM)

magnet

Note:

When

current

passes

through

the

solenoid,

the

magnet

exerts

a

force

in

the

direction

of

the

arrow.

(Fleming's

left

hand

rule.)

kick

lever

Fig.

1-2.

3.

Once

the

revolving

center

gear

engages

the

sub-

gear

(L),

the

main

gear

will

commence

to

rotate

in

the

counterclockwise

direction

due

to

the

driving-

force

supplied

by

the

motor.

It

will

stop

again

in

the

position

shown

in

Fig.

1-7.

4.

The

gear

guide

axis

at

the

tip

of

the

main

lever,

is

guided

by

the

shaded

section

of

the

heart-

shaped

cam

groove

located

on

the

main

gear,

moving

across

in

a

curved

path

GB)

to

position

@

.

Therefore,

the

main

lever

moves

in

the

direction

of

arrow

GB)

.

(See

Fig.

1-3.)

main

lever

center

gear

main

gear

Fig.

1-3.

5.

At

this

time,

the

lead-in

lever

moves

in

the

direction

of

arrow

(4),

guided

by

the

lead-in

cam

which

moves

together

with

the

main

lever.

The

tip.

®)

of

the

lead-in

lever

moves

to

position

(B),

pushing

against

a

pin

on

the

brake

drum

in

the

direction

of

arrow

©).

And

since

this

brake

drum

moves

in

unison

with

the

tonearm,

the

tonearm

will

moves

across

(horizontal

movement)

in

the

direction

of

arrow

G6).

(See

Fig.

1-4.)

lead-in

cam

lead-in

lever

tonearm

Lowering

of

tonearm

onto

record

The

central

axis

of

the

push

rod

resting

against

the

tonearm

lifter

is

on

the

position

©

in

STOP

mode.

(See

Fig.

1-5.)

During

lead-in,

the

main

lever

moves

across

in

the

direction

of

arrow

6)

(See

Fig.

1-3),

resulting

in

the

position

of

the

central

axis

of

the

push

rod

moving

across

as

shown

by

arrow

:

@).

(Fig.

1-5.)

tonearm

lift

push-rod

'

fever

main

lever

ap)

G3

2

Pa

X

return

cam

movement

of

the

main

lever

Fig.

1-5.

guide-push

lead-in

lever

18)

17cm

©

~~

25m

eo

oe

(SS

30cm

size

selector

o

7

©

MANUAL

=

stylus

tip

_-

selector

link

SONY-00830

/

DRUCK

1

|

PS-X6/X7

PS-X6/X7

|

3.

The

guide-push

stopsat

the

position

determined

by

the

surface

©

(Fig.

1-6)

of

the

record

size

selector

cam.

The

push

rod

consequently

descends

to

the

lower

position

©)

of

the

main

lever

(Fig.

1-5),

resulting

in

the

tonearm

lowering

onto

the

surface

of

the

record

for

the

commencement

of

play.

4.

The

position

where

the

tonearm

lowers

(30

cm,

-

25cm,

17cm)

is

determined

by

the

position

of

the

record

size

selector

cam

shown

in

Fig.

1-6.

The

guide-push

of

the

lead-in

lever

moves

across

in

direction

of

arrow

during

lead-in,

and

meets

the

size

selector

cam

at

surface

©

(for

the

30cm

example

shown),

thus

determining

the

drop

point

at

the

outer

edge.

of

a

30cm

record.

That

is,

this

position

determines

the

distance

moved

by

the

lead-in

lever,

which

consequently

determines

the

rotational

angle

of

the

brake

drum

(and

of

the

tonearm

as

well).

With

the

record

size

selector

knob

set

to

the

MANUAL

position,

the

lead-in

lever

moves

a

little

and

the

tonearm

does

not

move.

5.

The

attaching

shaft

of

the

guide-push

is

not

positioned

at

a

center

of

the

guide-push

and

the

edge

of

the

record

size

selector

cam

is

formed

a

curve,

so

the

fine

adjustment

of

the

stylus

drop-point

can

be

performed

by

turning

the

guide-push.

Operation

During

Return

of

Tonearm

Although

the

return

operation

can

be

activated

in

2

different

ways,

the

operation

itself

is

the

same.

@

Tonearm

made

to

return

during

playing

of

a

record

by

touching

the

START/STOP

button.

@®

Automatic

return

as

a

result

of

the

tonearm

activating

the

record

end

detector

mechanism

(luminous

sensor

record

end

detector).

1.

While

the

record

is

being

played,

the

main

gear

and

main

lever

are

in

the

positions

as

shown

in

Fig.

1-7.

2: If

the

START/STOP

button

is

touched

during

play,

or

if

the

record

finishes

playing,

the

systems

control

circuit

is

activated.

A

current

flows

through

the

solenoid

(PM),

and

the

kick

lever

moves

in

the

same

way

as

at

the

beginning

of

record

play

(see

Fig.

1-2).

|

This

time,

however,

the

sub-gear

(R)

is

pushed

back

and

engaged

with

the

center

gear,

thus

rotating

the

main

gear

again

in

the

counterclockwise

direc-

tion.

3.

The

gear

guide

axis

at

the

tip

of

the

main

lever

is

moved

across

to

position

)

by

following

the

curved

path

Q)

due

to

the

guiding

action

of

the

shaded

portion

of

the

groove

in

the

heart-shaped

cam

positioned

on

the

main

gear.

The

main

lever.

consequently

moves

across

in

the

direction

of

the

arrow

@)

(see

Fig.

1-7).

4.

At

this

time,

the

push

rod

is

forced

back

up

onto

the

main

lever,

resulting

in

the

tonearm

lifting

up

from

the

record

surface.

gear

guide

axis

main

lever

rotating

direction

of

the

main

gear

main

gear

Fig.

1-7.

5.

The

return

cam

attached

to

the

main

lever

(see

Fig.

1-5)

pushes

against

the

pin

of

the

brake

drum,

forcing

the

tonearm

to

move

back

(horizontally)

towards

the

arm

rest.

6.

The

return

operation

is

completed

when

the

tonearm

arrives

back

at

the

arm

rest.

The

main

gear.

comes

to

a

stop

in

the

position

shown

in

Fig.

1-3.

Brake

Mechanism

(Operation

of

brake

lever)

A

fixed

amount

of

braking

is

applied

to

the

brake

drum

in

order

to

assure

smooth

travel

of

the

tonearm

during

both

lead-in

and

return.

Furthermore,

a

spring

is

also

employed

to

exert

pressure

upon

the

main

lever

in

the

direction

of

arrow

(see

Fig.

1-8),

thus

keeping

the

main

gear

in

the

stop

position.

(See

Fig.

1-3.)

brake

drum

main

lever

Fig.

1-8.

Record

End

Detector

Mechanism

(Luminous

Sensor

Record

End

Detector

Mechanism)

(see

Figs.

1-9

and

1-10)

This

record

end

detector

mechanism

consists

of

a

lamp,

a

photo-conductor

(CdS),

and

a

shutter

connected

to

the

shaft

of

the

tonearm.

Changes

in

position

of

the

shutter

(due

to

the

gradual

inward

movement

of

the

tonearm)

results

in

changes

in

the

amount

of

light

received

by

the

photosensitive

element.

When

the

stylus

runs

in

the

lead-out

groove

of

the

record,

the

tonearm

suddenly

moves

across

by

a

relatively

larger

amount,

resulting

in

a

sudden

increase

in

the

amount

of

light

striking

the

photo-

sensitive

element,

exceeding

a

preset

value.

An

electronic

circuit

is

consequently

activated,

resulting

in

current

flowing

through

the

solenoid.

n

turning

direction

of

the

Ci

tonearm

during

play

tonearm

“mal

regs)

conductor

shutter

lamp

Fig.

1-9.

turning

direction

of

the

tonearm

during

play

i

tonearm

a

i

shutter

CF}

{

i

i

i

1

|

|

ann

small

amount

farge

amount

of

lof

change

lamp

change

Fig.

1-10.

{

\

i

'

|

Hy

DIAGRAM

1C2

PHASE

CONTROL

XI

(7,864,

320H2)

S2-2

33

UIMITER

“AMP

MGH

SWITCHING

ieee

BUFFER

AMP

(saTootH

wave)

COMPARATOR

DETECTING

0201

PRODUCE

0203,

204

HEAD

202

3|{¢—»—-

B+(NEON

LAMP)

PT2

(AEP,UK,E

MODEL)

|

(US,

CANADIAN

MODEL)

&

B+

(NEON

LAMP)

AC

IN

7g

ae

e

.

PTI

RVIOI

14V

ADJ

SOLENOID

ORIVE

$8

START/STOP]

LOWPASS

FILTER

Q302

PS-X6/X7

1¢3

FREQUENCY

OIVIDER

(ares

ACTIVATING

SOLENOID,

SOLENOID

PUSHES

CLAW

OF

DRIVE

GEAR

PS-X6/X7

1C4,

D301,302

FREQUENCY

DIVIDER

MOTOR

SECTION

a

0202

RV202

GAIN

(H})

BUFFER

AMP

9205

RV203_

0

GAIN(H2)

HI,

H2

(HALL

DEVICE)

B+

rm

SE

SS

Q2il~

214

MOTOR

DRIVE

$3

PLAY

(ON:

DURING

PLAY)

(

TOUCH

SWITCH)

TART/STOP

FLIP-FLOP

Q408

,

409

02

0413

S6

REPEAT

PEPEAT

FLIP-FLOP

RV401

RETURN

POSITION

tw)

PLI

AUTO

RETURN

QE

DETECTING

SHUTTER

ON

i

oO

-S4

RETURN

CN:

DURING

RETURN

OPERATION

OF

TONEARM

0415,

416

SONY-00830

/

DRUCK

2

|

PS-X6/X7

SECTION

2

DISASSEMBLY

AND

REPLACEMENT

2-1.

REMOVAL

Remove

the

parts

in

the

numerical

order.

Power

Supply/PLL

Circuit

Board

Removal

Cover

(top)

Removal

t

@

ubber

mat

@

turntable

TA,

B3x10

OTA,

83x10

@

Power

supply

/PLL

circuit

board.

Bottom

Cover

Removal

insulator

Motor

Removal

@

PSW3x

14

@

bottom

cover

TA,

B3x10

@

TA,

83x10

@

insulator

@

Unsolder

nine

lead-wires

of

the

motor

from

the

servo

amp/system

control

circuit

board

and

remove

the

motor.

(Refer

to

the

mounting

diagram

on

page

23.)

PS-X6/X7

Servo

Amp/System

Control

Circuit

Board

Sub-flame

Removal

Removal

oe

TA,

B

3x10

(2)

servo

amp/system

control

circuit

board

@

PS3x14

@

return

switch

(S4)

OTA,

P3x30-

QTA,

B3x10

®

TA,

83x10

W4

Control

Panel

Removal

@®

shield

plate

©

P3x38

OTA,

B3x10

6)

Z

er

m,

ie

5]

Control

panel,

touch

switch

circuit

board,

a

oavol

eae

fa

power

switch,

record

size

selector

lever

board

can

be

removed.

:

cecer

@

size

selector

fever

Sub-frame

sub-frame

main

lever

@

SC

M3x

6,

hexagon

socket

O

7.5mm

@O

Unsolder

five

lead-wires.

©

brake

drum

kick

lever

solenoid

(PM)

phono

circuit

board

PS-X6/X7

SPEED

Switch

(S2)

Removal

Arm

Lifter

Shaft

Removal

C1)

insulator

@

push-rod

@

cueing

lever

6

ring

Ole

spring

7,

rp

mm

lifter

base

‘Q

|

a

an

@

sc

M3x3

hexagon

Scker

OK

@

TA,

83x10

©

SPEED

switch

(S2)

can

be

removed.

@

ornament

screw

Tonearm

Removal

@

lift

stopper

@

Remove

the

brake

drum

and

five

lead

wires.

(Refer

to

Sub-frame

Removal

—

@

and

@.)

Note:

@

When

installing

the

cueing

lever,

take

care

@

TA,

83x10

to

the

direction

of

the

ring

spring

@.

(black)

®

After

installing

the

cueing

lever,

make

sure

that

the

push-rod

is

smoothly

moved

up

and

down

by

the

cueing

lever.

PS-X6/X7

2-2.

CAUTION

FOR

INSTALLATION

Record

Size

Selector

Lever

Installation

@

Set

the

record

size

selector

knob

to

the

25

(10)

position.

Install

and

set

the

record

size

selector

’

lever

as

shown

below.

record

size

selector

knob

record

size

selector

lever

control

panel

record

size

selector

lever

|

\

SC

M3x6,

hexagon

socket

control

panel

@

Set

the

record

size

selector

knob

to

the

MANUAL

position

and,

when

touching

the

start/stop

switch,

make

sure

that

the

tonearm

does

not

move.

12

—

Lateral

Balancer

Weight

Installation

RUT,

SCM3x3,

hexagon

socket

Q

7.5mm

fateral

balancer

weight

Anti-skating

Compensator

Lever

Installation

C1)

Set

the

anti-skating

force

compensator

knob

to

0.

@

Turn

the

arm

base

fully

clockwise.

8

install

the

anti-skating

force

compensator

lever

so

that

the

clearnace

between

the

cam

(B)

and

cam

(C)

is:

1mm.

@anti-skating

force

compensator

lever

—____

:

cam

(C)

\2

cam

(B)

Lift

Base

Installation

Install

the

lift

base

so

that

the

clearance

between

the

arm

base

and

lift

base

is

3.5mm.

SC

M3x4,

hexagon

socket