Pioneer Pl-z93 User manual

VU)

PIONEER’

The

future

of

sound

and

vision.

Setvice

ALEVE

3

ORDER

NO.

ARP1478

STEREO

TURNTABLE

L=Zo

PL=-Z560

i=

Z2a60

STEREO

TURNTABLE

L=Z291

zeew

L=ZS8

1

2com

e@

This

service

manual

is

applicable

to

the

PL-291/ZEBM

and

PL-Z81/ZEBM

types.

CONTENTS

1.

SPECIFICATIONS

..........----.-000eee

2

7.

P.C.

BOARDS

CONNECTION

DIAGRAM

....

13

2.

PANEL

FACILITIES

................000-

2

8.

ELECTRICAL

PARTS

LIST..............

14

5.

PAGKING

occa

cvancecusebseccendutses

3

9.

PRECAUTIONS

FOR

REASSEMBLY

.......

15

4.

DISASSEMBLY

...............-.2-e000-

4

10.

ADJUSTMENTS

..............-20040--

..

19

5.

EXPLODED

VIEWS.............--..00--

6

REGLAGE

...cccceudeetcavavsenuwenes

21

6

.

SCHEMATIC

DIAGRAM

.................

12

PAURVE

«646

be

See

OAKES

S

Sg

Be

ews

23

PIONEER

ELECTRONIC

CORPORATION

=

4-1,

Meguro

1-Chome,

Meguro-ku,

Tokyo

153,

Japan

PIONEER

ELECTRONICS

SERVICE

INC.

P.O.

Box

1760,

Long

Beach,

California

90801

U.S.A.

PIONEER

ELECTRONICS

OF

CANADA,

INC.

505

Cochrane

Drive,

Markham,

Ontario

L3R

8E3

Canada

PIONEER

ELECTRONIC

[EUROPE]

N.V.

Keetberglaan

1,

2740

Beveren,

Belgium

PIONEER

ELECTRONICS

AUSTRALIA

PTY.

LTD.

178-184

Boundary

Road,

Braeside,

Victoria

3195,

Australia

TEL:

[03]

580-9911

MO©

JAN.

1988

Printed

in

Japan

9.

PRECAUTIONS

FOR

REASSEMBLY

If

new

parts

have

been

used,

follow

these

direc-

tions

and

precautions

when

reassembling

a

unit

after

completing

repairs.

Also

lubricate

places

requiring

lubrication.

Incorrect

mounting

of

parts

or

neglecting

lubrication

may

cause

problems

with

the

mechanical

section.

Follow

the

procedures

properly.

9.1

PLACES

THAT

REQUIRE

LUBRICATION

NOTE:

Types

of

lubricants

and

places

where

they

are

used

are

listed

in

table

1.

Type

of

Oil

Places

used

Silicon

Oil

#500000

EV

cam

section

GYA-008

all

other

places

requiring

lubrication

Lubrication

points

are

specified

for

greases

other

than

GYA-008.

Never

use

a.

different

type

of

greases.

.

e

EV

Cam

Section

Apply

grease

to

the

heart-shaped

grooved

Section

(rear

side

of

the

cam)

and

lock

plate

sliding

section

in

order

to

minimize

wear

on

the

sliding

section

and

the

burden

on

the

mechanism.

©

Driving

Plate

Assembly

Decrease

the

burden

on

the

mechanism

and

the

wear

on

the

sliding

section.

Sides,

top,

and

bottom

surfaces

(Sliding

section

of

auto-stop

mechanism)

Sides

surface

(Sliding

section

of

auto-stop

mechanism)

Top

and

side

(Sliding

section

of

_

auto-stop

mechanism)

EV

cam

side

surface

(Sliding

section

of

elevation

cam)

Fig.

9-1

Driving

plate

assembly

section

®

Switch

Locker

Section

Apply

grease

to

the

switch

locker

(hole)

and

sub-panel

base

sliding

section

to

decrease

the

burden

on

the

mechanism.

When

applying

grease

to

the

hole

(shaft

hole),

do

not

apply

any

grease

2—3mm

from

the

button

surface.

If

grease

is

applied

2—3mm

within

the

bottom

surface,

it

may

come

out

the

bottom

and

go

between

the

switch

lever

and

sub-panel

base

causing

the

switch

lever

to

operate

ineffectively.

Fig.

9-2

Switch

locker

section

@

EV

Sheet

Section

Apply

grease

to

the

elevation

shaft

and

sliding

section

of

the

bearing.

This

is

to

assure

stability

in

the

elevation

lower-

ing

speed.

Raising

shaft

——_JV.

EV

sheet

assembly

Fig.

9-3

EV

sheet

section

@

Elevation

Cam

Section

Apply

GYA-008

grease

to

the

elevation

cam

and

sliding

section

of

the

raising

shaft

to

decrease

the

burden

when

operated.

Also

apply

silicon

oil

#500000

to

the

hole.

This

is

to

stabilize

the

elevation

lowering

speed.

Elevation

cam

Fig.

9-4

Elevation

cam

section

ot

eS

Me

|

@

Index

Cam

Section

(PL-Z91

only)

Apply

grease

to

the

index

cam

lower

surface

of

the

hooked

section

to

decrease

the

burden

on

the

mechanism.

SY

A

SSS

fet)

~S

WANA

SS

Fig.

9-5

Index

cam

section

e

Other

Places

to

be

Greased

(PL-Z91

only)

e

Reset

Plate

Section

(PL-Z91

only)

Apply

grease

to

the

sub-panel

base

(shaft)

and

sliding

section

of

the

reset

plate

to

decrease

the

burden

on

the

mechanism.

25

AR

eset

plate

is

ll

S

Oe

ial

base

ibe.

S

LE

(0

Apply

grease

(G

YA-008)

to

shaft

section

Fig.

9-6

Reset

plate

section

Enlarged

view

of

parts

A

and

B

in

Fig.

9-7

Fig.

9-7

PL-291,

PL-Z81

Detail

of

A

and

B

in

Fig.

9-8

@

Other

Places

to

be

Greased

(PL-Z81

only)

Fig.

9-8

9.2

PRECAUTIONS

FOR

ATTACHMENT

e

PU

Plate

Assembly

Attachment

OF

PARTS

AND

REASSEMBLY

The

PU

plate

assembly

is

attached

with

screw

e

Cam

Assembly

Attachment

by

pushing

the

PU

plate

bearing

section

against

the

arm

rotating

shaft.

fixing

nut.

The

attachment

direction

is

matched

to

the

center

of

the

support

line

as

shown

in

Fig.

9-10.

(position

the

tonearm

above

the

arm

rest).

The

cam

assembly

is

attached

by

letting

the

lock

spring

go

in

the

direction

@

as

shown

in

Fig.

9-9.

Lock

spring

Panel

mark

:

(aligned

center)

§

Od

assembly

Fig.

9-10

PU

plate

attachment

Fig.

9-9

Cam

assembly

attachment

od

a

be

|

e

Arm

Base

Attachment

When

mounting

the

subpanel

assembly

to

the

unit

(panel),

set

the

position

of

the

switch

locker

in

the

subpanel

assembly

and

the

switch

lever

so

that

the

microswitch

(S1:

for

power

on/off)

is

in

the

OFF

position.

Also

set

the

tonearm

above

the

arm

rest.

Set

the

arm

elevator

to

UP.

Then

when

the

subpanel

is

mounted,

mount

the

PU

plate

shaft

in

the

position

shown

in

Fig.

9-11.

PU

lead

wire

PU

p.cboard

.

Fig.

9-11

Arm

base

attachment

3.

MICROSWITCH

LEAD

WIRE

STYLING

CONFIRMATION

(PL-Z91

only)

When

attaching

the

mechanism

assembly

to

the

panel,

be

careful

that

the

lead

wires

do

not

contact

the

select

lever

as

shown

in

Fig.

9-12.

If

the

lead

wires

contact

the

select

lever,

record

size

detection

will

malfunction.

Mechanism

on]

Microswitch

lead

wire

Scieck

louerainit

Fig.

9-12

Microswitch

lead

wire

attachment

@

Start

Lever

Unit

Attachment

(PL-Z91

only)

Attach

the

shaft

section

of

the

start

lever

unit

as

shown

in

Fig.

9-13

so

that

it

comes

between

the

reset

plate

and

start

plate.

Start

plate

<

<n

plate

SS

assembly

Fig.

9-13

Start

lever

unit

attachment

©

Spindle

Assembly

Attachment

(PL-Z91

only)

When

installing

the

spindle

assembly,

set

the

cam

in

the

mechanism

stop

location

and

verify

that

the

starting

plate

section

(B)

does

not

protrude

be-

yond

surface

(A)

of

the

cam.

If

the

spindle

assem-

bly

is

attached

with

the

starting

plate

section

(B)

protruding,

the

starting

plate

may

be

deformed,

the

spindle

assembly

pinion

gear

may

be

scratched,

and

the

return

function

may

be

come

disabled.

Signal

plate

Fig.

9-14

Spindle

assembly

attachment

e

Installing

the

Cords

(PL-Z91

only)

For

the

styling

of

the

PU

cord

assembly

and

other

lead

wiring,

refer

to

Fig.

9-15.

s—

PU

cord

assembly

Fig.

9-15

Cords

stringing

10.

ADJUSTMENTS

10.1

MOTOR

ADJUSTMENTS

Place

the

record

player

on

blocks

as

shown

in

Fig.

10-1

and

adjust

the

motor

from

the

under

base.

1.

Turn

the

arm

elevation

lever

up

to

raise

the

arm.

2.

Place

a

strobo

sheet

on

the

turntable,

move

the

arm

to

the

turntable

side,

and

rotate

the

turn-

table.

3.

Adjust

semifixed

resistors

VR1

and

VR2

of

the

motor

assetfnbly

so

the

33-1/3

rpm

and

45

rpm

strobo

of

the

strobo

sheet

appears

to

the

static.

4.

First

adjust

VR1

for

45

rpm

and

then

the

adjust

VR2

for

33-1/3

rpm.

10.2

STYLUS

LANDING

POSITION

ADJUSTMENT

(PL-Z91

only)

When

the

tonearm

doesn’t

land

in

the

correct

position

during

automatic

playback,

adjust

accord-

ing

to

the

following

procedure.

1.

Place

a

30cm

record

on

the

platter.

2.

Press

the

START/STOP

switch

and

start

auto-

matic

playback.

Note

the

landing

position

of

the

stylus.

(How

many

mm

to

the

inside

or

outside

compared

to

the

proper

landing

position

on

the

platter.)

3.

Depress

the

START/STOP

switch

to

return

the

tonearm

to

the

tonearm

rest.

4.

Press

the

arm

elevation

switch

to

raise

the

stylus.

5.

With

the

adjustment

hole

visible,

move

the

tone-

arm

to

the

edge

of

the

record

by

hand.

6.

Turn

the

adjustment

screw

with

a

small

screw-

driver

according

to

step

2

as

follows:

@

When

the

stylus

lands

at

the

outside

of

the

record,

turn

the

adjustment

screw

clockwise.

@

When

the

stylus

lands

on

the

proper

position

toward

the

record

center,

turn

the

adjustment

screw

counterclockwise.

One

half

turn

of

the

adjustment

screws

moves

the

tonearm

about

12mm.

7.

After

adjustment,

press

the

START/STOP

switch

and

check

if

the

stylus

landing

point

was

correctly

adjusted.

If

adjustment

is

incorrect,

repeat

steps

3

to

6.

Be

careful

not

to

damage

the

record

and

stylus

when

making

this

adjustment.

PL-Z91,

PL-Z81

ADJUSTMENT

USING

A

TEST

RECORD

(Landing

position

adjustment

cannot

be

done

when

the

tonearm

is

on

the

record.)

30cm

landing

point

.....

Lands

between

count

306

and

313.

17cm

landing

point

.....

Lands

between

count

175

and

183.

33-1/3

rpm

Fig.

10-1

Motor

adjustment

Small

Phillips

screwdriver

—_¢

7

a

d

Tonearm

lands

Onearm

tands

towar

toward

outside

of

inside

of

record

oe

|

Pa

Cs

Ww

~

Adjustment

ees

Fig.

10-2

Stylus

landing

point

adjustment

10.3

AUTO-RETURN

POSITION

ADJUSTMENT

When

the

auto-return

position

is

too

near

or

too

far,

make

the

following

adjustments.

1.

Check

the

stylus

landing

position.

If

the

stylus

does

not

land

at

the

correct

position,

adjust

the

landing

position.

.

Set

the

arm

elevation

switch

to

UP

and

turn

the

auto-return

adjustment

screw

fully

counter-

clockwise.

;

.

Move

the

tonearm

as

far

as

it

will

go

toward

the

center.

.When

the

auto-return

adjustment

screws

is

turned

slowly

clockwise,

the

tonearm

will

begin

to

move

toward

the

center.

.

Stop

turning

the

adjustment

screw

at

the

point

at

which

there

is

a

space

of

32mm

between

the

stylus

of

the

cartridge

and

the

center

shaft.

(Fig.

10-3)

|

.

After

adjustment,.check

that

auto-return

is

per-

formed

correctly

and

that

the

stylus

landing

position

is

correct.

10.4

ARM

ELEVATION

HEIGHT

i

2.

ADJUSTMENT

Press

the

arm

elevation

switch

to

move

the

arm

up.

Turn

the

height

adjustment

screw

on

the

side

of

the

arm

elevation

unit

with

a

Phillips

screwdriver

so

that

the

distance

between

the

record

and

the

stylus

is

742mm.

The

arm

moves

up

when

the

screw

is

turned

counterclockwise.

Phillips

screwdriver

——e

Fig.

10-3

Auto-return

position

adjustment

Phillips

screwdriver

——e

Fig.

10-4

Arm

elevation

adjustment

.

0

N

J

a

ie

1)

N

-

o

EXTERIOR

VY)

PIONEER’

The

future

of

sound

and

vision.

Service

ALE

IEY

STEREO

TURNTABLE

L=2935

PL-Z560

PL-2460

PL-Z93,

PL-Z560

AND

PL-Z460

HAVE

FOLLOWING

VERSIONS:

|

Applicablemodet

=

|

a

Type

Power

requirement

we,

fe

zw

foo

|

2

|

o

@Refer

to

the

service

manual

ARP1478,

PL-Z91/ZEBM

type.

@

This

manual

is

applicable

to

the

PL-Z93/ZEBM,

ZUC,

PL-Z2560/ZEBM

and

PL-Z460/ZEBM

types.

e

As

to

the

system

composition

and

operating

instructions

refer

to

following

service

manual.

|

PL-Z560,

P

L-2460

$-777D/S-555D

ARP1930

|

PL-Z93

psa

ARP1937

PL-Z560,

PL-Z460

S-999D

APR1929

|

PL-Z93

S-115CDT

ARP1938

|

ORDER

NO.

ARP1892

PL-Z93

$-333

ARP1935

PL-Z93

S-115CDM

ARP1939

PL-Z93

PIONEER

ELECTRONIC

CORPORATION

4-1;

Meguro

1-Chome,

Meguro-ku,

Tokyo

153,

Japan

PIONEER

ELECTRONICS

SERVICE

INC.

P.O.

Box

1760,

Long

Beach,

California

90801

U.S.A.

PIONEER

ELECTRONICS

OF

CANADA,

INC.

505

Cochrane

Drive,

Markham,

Ontario

L3R

8E3

Canada

PIONEER

ELECTRONIC

[EUROPE]

N.V.

Keetberglaan

1,

2740

Beveren,

Belgium

PIONEER

ELECTRONICS

AUSTRALIA

PTY.

LTD.

178-184

Boundary

Road,

Braeside,

Victoria

3195,

Australia

TEL:

[03}

580-9911

©

PIONEER

ELECTRONIC

CORPORATION

1989

MA

DEC.

1989.

Printed

in

Japan

PL-Z93,

PL-Z560,

PL-Z460

NOTES:

e

Parts

without

part

number

cannot

be

supplied.

e

The

A

mark

found

on

some

component

parts

indicates

the

importance

of

the

safety

factor

of

the

part.

Therefore,

when

replacing,

be

sure

to

use

parts

of

identical

designa-

tion.

e

Parts

marked

by

“®”

are

not

always

kept

in

stock.

Their

delivery

time

may

be

longer

than

usual

or

they

may

be

unavailable.

The

PL-293/ZEBM,

ZUC,

PL-Z560/ZEBM

and

PL-Z460/ZEBM

types

are

the

same

as

the

PL-Z91/ZEBM

type

with

the

exception

of

the

following

sections.

Part

No.

Symbol

&

Description

Sub-panel

assembly

Non

supply

Non

supply

Non

supply

Non

supply

Non

supply

Nameplate

Fe

ee

AAM1002

Speed

button

PAC1226

-PAC1226

PAC1436

PAC1226

EV

button

~

PAC1227

PAC1437

PAC1227

&3|

.....

S/S

button

PACI228:

Wf

aewaok

|

tecmcenve

PAC1468

#§$=||......

Cutbutton

|{

....,

PAC1467

PAC1I469

=

|...

PAC1467

Front

name

plate

PAM1392

PAM1395

PAM1394

PAM1393

Frontname

plate

assembly

|

.....

|

...ee

|

veeee

PEA1033

PEA1032

Insulator

PEB1105

~

PEB1105

Insulator

assembly

j

|

.....

[|

wviaee

Ud]

eee

PXA1196

PLX1196

Cutrod

=

~~

|

i...

|

Nonsupply

=

|

Nonsupply

|

.....

Non

supply

Size

rod

Non

supply

|

.....

|

...ee

Nonsupply

|.

.....

S/S

rod

Nonsupply

|

.....

=

|

waee.

Nonsupply

|.

.....

Protector

(R)

PHA1045

PHA1082

Protector

(L)

PHA1046

PHA1083

Button

stopper

F

PBK1038)-—_sUsg|-_—

wigs

|e

PBK1038

|.

.....

Button

stopperR

$j

.....,

PBK1037

PBK1037.

|

1...

hhmhmhmhmhU]

Packing

case

PHG1163

PHG1450

PHG1474

PHG1452

PHG1451

Panel

PNW1294

PNW1292

PNW1734

PNW1294

PNW1292

Start

lever

Non

supply

|

.....

°°

»8|

wa...

Nonsupply

|.

.....

PU

plate

assembly

PXA1109

|

.....

=f

Veae.

PXA1109

#=$|

|...

PU

plate

(B)

assembly

j|.

.....

PXA1114

|

.....

PXA1114

The

Sub-panel

assembly

(PL-293/ZEBM,

ZUC

types).

Sub-panel

assembly

(PL-Z560/ZEBM

type)

and

Sub-

panel

assembly

(PL-2460/ZEBM

type)

are

the

same

as

the

Sub-panel

assembly

(PL-Z291/ZEBM

type)

with

the

exception

the

following

sections.

PL-291/ZEBM

PL-Z93/ZEBM

PL-Z293/ZUC

PL-2560/ZEBM

PL-2460/ZEBM

Symbol

&

Description

Select

lever

PBH1053)

jC

liwg

gees

Ee

PBH1053

|

_~.....

Reset

plate

spring

PBH1054

|

.....

=f

Vaan.

PBH1054

jj

~~

.....

Select

lever

PNB1096

j~

.....

©

=©=©[|)oVae,

PNB1096

|

.....

Index

cam

PNW1296

|

.....0

Je

PNW1296

|

.....

Reset

plate

PNW13120

|

ogee.

iE

PNW1312

#|

~~

.....

Selector

PNW1313)

0

|

wees

PNW1313

#$|

3

.....

Drive

plate

assembly

PXA1110

PXA1112

PXA1110

PXA1112

Pioneer PL-Z93 User manual

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