Pioneer PD-M423 User manual

d)

PIONEER’

The

Art

of

Entertainment

Service

anual

MULTI-PLAY

COMPACT

DISC

PLAYER

PD-M423

PD-M403

THIS

MANUAL

IS

APPLICABLE

TO

THE

FOLLOWING

MODEL(S)

AND

TYPE(S).

Type

Power

Requirement

ORDER

NO.

RRV1062

CONTENTS

1.

SAFETY

INFORMATION

-oescccsssccceeeeseeseetsseeeeeeees

2

2.

PACKING

AND

PARTS

LIST

-ecccccrcessereeeeeeetrereeees

3

3.

EXPLODED

VIEWS

AND

PARTS

LIST

----------+--++--

4

4.

BLOCK

DIAGRAM

ceccecceeecececetseessttaeeceeeneeeseneens

10

5.

SCHEMATIC

DIAGRAMGccrsrccereessesrrreeceeeeeeeeesenes

1

6.

PCB

CONNECTION

DIAGRAM

-:+-sseseceececeeeeeeeeees

17

7.

PCBPARTS

LIST

--:::s::ccccccccceteeeeeeeeeeseesseeseeeeees

23

8.

ADJUSTMENTS

cvrvcrsccercrsesteeccsecttennseteeeeeeesoesens

25

9.

IC

INFORMATION

eee

ee

eee

rere

ree

ee

eee

rere

34

10.

FL

INFORMATION

«++:-::seseeeeessereeeeeeeessssseessnenees

39

11,

FOR

PD-M423/KCXJ,

PD-M403/KUXJ

AND

KOXJ

stcccsessscceceeeeteceeseetsensessssnerseeeeeeereenens

40

12.

PANEL

FACILITIES

+--:::::::sssccesececesessesssnseeenseeees

a4

13.

SPECIFICATIONS

r--:eeeeeeeeseeeeeeeeeeeessnseseeneeeeees

42

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.

300

Allstate

Parkway

Markham,

Ontario

L3R

OP2

Canada

PIONEER

ELECTRONIC

[EUROPE]

N.V.

Haven

1087

Keetberglaan

1,

9120

Melsele,

Belgium

PIONEER

ELECTRONICS

AUSTRALIA

PTY.

LTD.

178-184

Boundary

Road,

Braeside,

Victoria

3195,

Australia

TEL:

[03]

580-9911

©

PIONEER

ELECTRONIC

CORPORATION

1994

T

-

SSF

FEB.

1994

Printed

in

Japan®

PD-M423,

PD-M403

1.

SAFETY

INFORMATION

This

service

manual

is

intended

for

qualified

service

technicians;

it

is

not

meant

for

the

casual

do-it-yourselfer.

Qualified

technicians

have

the

necessary

test

equipment

and

tools,

and

have

been

trained

to

properly

and

safely

repair

complex

products

such

as

those

covered

by

this

manual.

Improperly

performed

repairs

can

adversely

affect

the

safety

and

reliability

of

the

product

and

may

void

the

warranty.

If

you

are

not

qualified

to

perform

the

repair

of

this

product

properly

and

safely,

you

should

not

risk

trying

to

do

so

and

refer

the

repair

to

a

qualified

service

technician.

WARNING

Lead

in

solder

used

in

this

product

is

listed

by

the

California

Health

and

Welfare

agency

as

a

known

reproductive

toxicant

which

may

cause

birth

defects

or

other

reproductive

harm

(California

Health

&

Safety

Code,

Section

25249.5).

When

servicing

or

handling

circuit

boards

and

other

components

which

contain

lead

in

solder,

avoid

unprotected

skin

contact

with

the

solder.

Also,

when

soldering

do

not

inhale

any

smoke

or

fumes

produced.

NOTICE

(FOR

CANADIAN

MODEL

ONLY)

Fuse

symbols

-§&—1

(fast

operating

fuse)

and/or

-§——

(slow

operating

fuse)

on

PCB

indicate

that

replacement

parts

must

be

of

identical

designation.

REMARQUE

(POUR

MODELE

CANADIEN

SEULEMENT)

Les

symboles

de

fusible

-§—H

(fusible

de

type

rapide)

et/ou

-§£—

(fusible

de

type

lent)

sur

CCI

indiquent

que

les

piéces

de

remplacement

doivent

avoir

la

méme

désignation.

(FOR

USA

MODEL

ONLY)

1.

SAFETY

PRECAUTIONS

The

following

check

should

be

performed

for

the

continued

protection

of

the

customer

and

service

technician.

LEAKAGE

CURRENT

CHECK

Measure

leakage

current

to

a

known

earth

ground

(water

pipe,

conduit,

etc.)

by

connecting

a

leakage

ANY

MEASUREMENTS

NOT

WITHIN

THE

LIMITS

OUTLINED

ABOVE

ARE

INDICATIVE

OF

A

PO-

TENTIAL

SHOCK

HAZARD

AND

MUST

BE

COR-

RECTED

BEFORE

RETURNING

THE

APPLIANCE

TO

THE

CUSTOMER.

2.PRODUCT

SAFETY

NOTICE

current

tester

such

as

Simpson

Model

229-2

or

equivalent

between

the

earth

ground

and

all

exposed

metal

parts

of

the

appliance

(input/output

terminals,

screwheads,

metal

overlays,

contro!

shaft,

etc.).

Plug

the

AC

line

cord

of

the

appliance

directly

into

a

120V

AC

60Hz

outlet

and

turn

the

AC

power

switch

on.

Any

current

measured

must

not

exceed

0.5mA.

Reading

should

Leakage

|

Ot

be

above

current

|

0.5mA

tester

Sd

Test

all

exposed

metal

surfaces

Also

test

with

plug

reversed

(Using

AC

adapter

plug

as

required)

Earth

ground

AC

Leakage

Test

Many

electrical

and

mechanical

parts

in

the

appli-

ance

have

special

safety

These

are

often

not

evident

from

visual

inspection

nor

the

protection

afforded

by

them

necessarily

can

be

ob-

tained

by

using

replacement

components

rated

for

vol-

tage,

wattage,

etc.

Replacement

parts

which

have

these

special

safety

characteristics

are

identified

in

this

Service

Manual.

Electrical

components

having

such

features

are

identified

by

marking

with

a

A

on

the

schematics

and

on

the

parts

list

in

this

Service

Manual.

The

use

of

a

substitute

replacement

component

which

dose

not

have

the

same

safety

characteristics

as

the

PIONEER

recommended

replacement

one,

shown

in

the

parts

list

in

this

Service

Manual,

may

create

shock,

fire,

or

other

hazards.

Product

Safety

is

continuously

under

review

and

new

instructions

are

issued

from

time

to

time.

For

the

latest

information,

always

consult

the

current

PItONEER

Service

Manual.

A

subscription

to,

or

ad-

ditional

copies

of,

PIONEER

Service

Manuai

may

be

obtained

at

a

nominal

charge

from

PIONEER.

PD-M423,

PD-M403

2.

PACKING

AND

PARTS

LIST

NOTES:

e

Parts

marked

by

“NSP”

are

generally

unavailable

because

they

are

not

in

our

Master

Spare

Parts

List.

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

designation.

Parts

marked

by

“@”

are

not

always

kept

in

stock.

Their

delivery

time

may

be

longer

than

usual

or

they

may

be

unavailable.

Parts

List

Mark

No.

Description

Part

No.

Mark

No.

Description

Part

No.

1

Connection

Cord

with

PDE

—

319

9

CD

Packing

Case

PHG1999

Mini

Plug

(for

SR

cord)

10

Mirror

Mat

Sheet

Z23

—

007

2

Connection

Cord

with

PDE1109

Plug

(for

Audio)

NSP

101.

Dry

Cell

Battery

VEM

—

022

3

Remote

Control

Unit

PWW1089

(RO3,

AAA)

4

Battery

Cover

PZN1010

5

Magazine

Assy

PXA1523

6

Operating

Instructions

PRB1205

(English)

7

Styrol

Protector

(F)

PHA1276

8

Styrol

Protector

(R)

PHA1277

2

PD-M423,

PD-M403

3.

EXPLODED

VIEWS

AND

PARTS

LIST

NOTES:

e

Parts

marked

by

“NSP”

are

generally

unavailable

because

they

are

not

in

our

Master

Spare

Parts

List.

¢

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

designation.

Parts

marked

by

“©”

are

not

always

kept

in

stock.

Their

delivery

time

may

be

longer

than

usual

or

they

may

be

unavailable.

3.1

EXTERIOR

Parts

List

Mark

No.

Description

A

Strain

Relief

2

32P

F.F.C/30V

A

3

Power

Transformer

A

4

Power

Cord

with

Plug

5

Bonnet

6

Foot

Assy

7

Screw

8

Rubber

Sheet

9

Function

Panel

10

Play

Button

11

Name

Plate

12

Power

Button

13

65

Label

14

Track

Button

15

Display

Window

16

Spring

(Door)

17

Earth

Lead

Unit

18

Door

19

Function

Board

Assy

A

20

Mother

Board

Assy

21

Screw

22

Screw

23

«Screw

24

Screw

25

earees

96)

osevade

27

Screw

28

Screw

Part

No.

CM

—

22C

PDD1041

PTT1237

PDG1015

PYY1149

AEC1531

IBZ30PO080FCC

AEBI111

PNW2387

PAC1766

PAM1608

PAC1719

ORW

1069

PAC1765

PAM1635

PBH1022

XDF

—

502

PNW2264

PWZ2769

PWM1858

BBZ30P060F

MC

BBZ30P080FZK

PPZ30P120FMC

FBT40P080FZK

IBZ30P180FMC

PDZ30P050F

MC

Mark

No.

NSP

101

NSP

102

NSP

103

NSP

104

NSP

105

NSP

106

Description

Part

No.

PCB

Mould

AMR1525

Under

Base

PNA1751

Rear

Base

PNA2068

Multi

Mechanism

Assy

PXA1532

Flat

Cable

(6P)

D20PY

YO615E

Switch

Board

Assy

PWZ2804

PD-M423,

PD-M403

Exterior

NOTE:

Screws

adjacent

to

V

mark

on

the

product

are

used

for

disassembly.

Multi

Mechanism

Assy

(=

See

section

3.2)

PD-M423,

PD-M403

|

°

‘

:

: °

3.2

MULTI

MECHANISM

ASSY

2

*1:

Fix

the

motor

101

on

the

loading

board

assembly

105

so

that

the

label

attached

on

the

motor

faces

the

direction

illustrated.

_~°

2

*1

Label

A

=

*2:

Fix

the

motor

101

on

the

motor

board

10

assembly

110

so

that

the

label

attached

on

the

motor

faces

the

direction

illustrated.

B

=

C

=

©

How

to

install

the

disc

table

(0)

Usenippers

or

other

tool

tocut

the

three

sections

marked

®

and

the

three

sections

marked

®

in

figure.

Then

remove

the

spacer.

[2]

While

supporting

the

spindle

motor

shaft

with

the

stopper,

put

spacer

on

top

of

yoke

M,

and

stick

the

disc

table

on

top

(takes

about

9kg

press-

ure).

Detach

the

spacer.

D

PD-M423,

PD-M403

Parts

List

Mark

No.

Description

Part

No.

Mark

No.

Description

Part

No.

1

Motor

Pulley

PNW

1634

49

Guide

Bar

PLA1094

2

Gear

Holder

PNW1929

50

__

Disc

Table

PNW

1067

3

PU

Frexible

Cable

PNP1343

51

Gearl

PNW2052

4

Cam

Gear

PNW1923

52

Gear2

PNW2053

5

Belt

PEB1138

53

Gear3

PNW2054

6

Top

Guide

N

PNW

2441

54

Pinion

Gear

PNW2055

7

~~

Gear

Pulley

PNW1918

55

PWB

Holder

PNW2057

8

GearS

PNW1919

56

Carriage

Base

PNW2445

9

GearL

PNW1920

57

D.C.

Motor

Assy

PEA1235

10

Eject

Spring

PBH1107

(spindle

with

oil)

11

Switch

Lever

PNW1927

58

Pickup

Assy

PEA1291

12

Seven

Bar

PNW1931

59

Disc

Table

Assy

PEA1035

13.

Sub

Rotary

Lever

PNW

1933

60

Screw

BBZ26P060FMC

14

Sub

Rotary

Lever

Spring

PBH1111

61

Screw

BPZ20PO60FMC

15

Rotary

Lever

PNW1932

62

Screw

BPZ26P100FMC

16

Drive

Plate

PNW1930

63

Screw

JFZ17P025FZK

17.

Motor

Screw

PBA-

112

64

Screw

JFZ20P040FMC

18

Holder

Lever

Spring

PBH1110

65

Washer

WT12D032D025

19

Disc

Holder

PNW1924

66

Connector

Assy

PDE1241

20

Cushion

A

PED1001

67

Stopper

Spring

PBH1131

21

~Holder

Lever

PNW1925

68

Stopper

PNW2069

22

Float

Rubber

PEB1014

69

D.C.

Motor

Assy

PEA1246

23

+

Float

Rubber

PEB1132

(CARRIAGE)

24

~~

‘Float

Screw

PBA1073

70

Upper

Chassis

PNB1267

25

Release

Lever

PNW1934

71

Sub

Chassis

PNW2440

72

Connector

Assy

PDE1240

26

Release

Spring

PBH1106

27.

~=Clamper

Cam

PNW1922

28

Clamper

Holder

PNW1921

29

~Clamper

Spring

PBH1109

30

Clamper

PNW1857

NSP

101

Motor

VXM1033

31

Lock

Lever

PNW1917

NSP

102

Eject

Lever

PNB1306

32

Lock

Spring

PBH1108

103

eee

33

Stair

NL

PNW2443

NSP

104

Servomechanism

Assy

M

PXA1512

34

Stair

NR

PNW2444

35

Synchronize

Lever

PNW1926

NSP

105

Loading

Board

Assy

PWZ2038

106

eovovee

36

Motor

Assy

PEA1130

107

«eee8

(LOADING,

DISC

SELECT)

NSP

108

Main

Chassis

PNW2074

37.

Screw

PMZ26P040FMC

NSP

109

Select

Board

Assy

PWZ2533

38

Screw

PPZ30PO080FMC

39

Screw

BBZ30P060FMC

NSP

110

Motor

Board

Assy

PWZ2040

NSP

111

Mechanism

Board

Assy

PWX1192

40

Washer

WT26D047D025

NSP

112

Earth

Lead

Unit

PDF1074

41

Washer

WA31D054D025

NSP

113

Clamp

Magnet

PMF1014

42

ERing

Z39-010

NSP

114

Gear

Stopper

PNB1303

43

Screw

IPZ30PO80FMC

NSP

1t1S

YokeM

PNB1312

44

Rubber

Spacer

PEB1238

NSP

116

AVAngle

PNB1405

45

Rubber

Spacer

PEB1179

NSP

117

Carriage

DC

Motor/0.3W

PXMI1027

46

Silent

Ring

PBK1093

47

Washer

WA62D130D025

48

Earth

Spring

PBH1132

PD-M423,

PD-M403

BLOCK

DIAGRAM

4.

TVNOIS

Olagnv

©

AlddNS

YW3IMOd

ae

Aaya

NOILONNSA

AV1dSIG

(SOP!)

dd

(LOvd!)

ova

o18

Bulpeo

ls

ebersed.

(1g€9!)

eeu

Ndod

Buryoess

-

SNO0O4-

A\quessy

dNAIId

(10€91)

(1Ston

yW3q00930

10

5.

SCHEMATIC

DIAGRAM

5.1

Waveforms

*1

SOT-

JUMP:After

switching

to

the

pause

mode,

press

the

Note:

The

encircled

numbers

denote

measuring

points

in

the

schematic

diagram.

TP1-

1:PLAY

MODE

(2)

(RF)

500mVidiv

SO0Onsec/div

TP1-

1:

TRACK

SEARCH

MODE

(RF)

500mV/div

200

yu

sec/div

2.600028

88)

TP1-

6:PLAY

MODE

(3)

(FOER)

100mV/div

1Omsec/div

TP1-Pin

2:PLAY

MODE

(TRER)

WVidiv

10msec/div

TP1-

2:50T-

JUMP

(*1)

MODE

(TRER)

1Vidiv

1msec/div

manual

search

key.

*2

FOCUS

-

IN:Press

the

key

without

loading

a

disc.

IC202-

3

:FOCUS

-

IN

(*2)

MODE

(FODR)

1Vidiv

200msec/div

IC202-

3

:PLAY

MODE

(FODR)

1Vidiv

1msec/div

IC202-

4:PLAY

MODE

6)

(TRDR)

500mVidiv

1msec/div

1C202-

4:50T

-

JUMP

(*1)

MODE

(TRDR)

500mVidiv

1msec/div

IC201-

9:PLAY

MODE

7)

(SPDR)

1Vidiv

50Omsec/div

IC201

-

8:

TRACK

SEARCH

MODE

(SPDR)

2Vidiv

50msec/div

IC202-

Ping

:PLAY

MODE

(CADR)

0.5Vidiv

2sec/div

1C202-

Ping

:

TRACK

SEARCH

MODE

(CADR)

2V/div

200msec/div

1C151-Pin

32:PLAY

MODE

(EFM)

2Vidiv

500nsec/div

1C401-Pin

7

:PLAY

MODE

(1kHz)

(LO

)

(D/A

DATA

OUT)

1V/div

200

psec/div

1C401-Pin

8

:PLAY

MODE

(1kHz)

(1)

(LO

)

(D/A

DATA

OUT)

div

200

i

1V

sec/div

1C301-Pin

22

:PLAY

MODE

(1kHz)

(BCLK)

2V/div

500nsec/div

(aa

al ol

eel

cael

a

coe

el

oo

ey

1C301-Pin

20

:PLAY

MODE

(1kHz)

(LRCK)

2Vidiv

10

usec/div

1C301-Pin

21

:-PLAY

MODE

(1kHz)

(PCMD)

2V/idiv

5O0Onsec/div

Pin-

OUTPUT:PLAY

MODE(1kHz)

1Vidiv

200

usec/div

STRACK

SEARCH

MODE

Upper:

TP1-

1

(RF)

1V/div

Lower:

IC

151-

29

(MIRR)

2Vidiv

200

usec/div

eee

tee

eee

t

:PLAY

MODE

Upper:

TP1-

1

(RF)

1V/div

Lower:

1C151-

30

(DFCT)

SVidiv

200

usec/div

1C301-Pin

3

:PLAY

MODE

3)

(MDP)

2Vidiv

2

usec/div

(Upper)

—

GND

~—

GND

(Lower)

!1C301-Pin

9

;:PLAY

MODE

(PCO)

2Vidiv

10

usec/div

NOTE

FOR

SCHEMATIC

DIAGRAMS

(Type

4A)

1.

When

ordering

service

parts,

be

sure

to

refer

to

“PARTS

LIST

of

EXPLODED

VIEWS”

or

“PCB

PARTS

LIST”.

.

Since

these

are

basic

circuits,

some

parts

of

them

or

the

values

of

some

components

may

be

changed

for

improve-

ment.

.

RESISTORS:

Unit:

k:kQ,

M:MQ,

or

9

unless

otherwise

noted.

Rated

power:

1/4W,

1/6W,

1/8W,

1/10W

unless

otherwise

noted.

Tolerance:

(F):

+1%,

(G):

+2%,

(K):

+10%,

(M):

+20%

or

+5%

un-

less

otherwise

noted.

.

CAPACITORS:

Unit:

p:pF

or

wF

unless

otherwise

noted.

Ratings:

capacitor

(uF)/

voltage

(V)

unless

otherwise

noted.

Rated

voltage:

50V

except

for

electrolytic

capacitors.

.

COILS:

Unit:

m:mH

or

wH

unless

otherwise

noted.

.

VOLTAGE

AND

CURRENT:

LoJor-v:

DC

voitage

(V)

in

PLAY

mode

unless

otherwise

noted.

©

mA

or+

mA:

DC

current

in

PLAY

mode

unless

otherwise

noted.

Value

in(

)

is

DC

current

in

STOP

mode.

OTHERS:

©

@or®@

:

Adjusting

point.

©

<<]:

Measurement

point.

©

The

A

mark

found

on

some

component

parts

indicates

the

im-

portance

of

the

safety

factor

of

the

parts.

Therefore,

when

re-

placing,

be

sure

to

use

parts

of

identical

designation.

-

SCH—O

ON

THE

SCHEMATIC

DIAGRAM:

e

SCH—D

indicates

the

drawing

number

of

the

schematic

dia-

gram.

(SCH

stands

for

schematic

diagram.)

-

SWITCHES

(Underline

indicates

switch

position):

FUNCTION

BOARD

ASSY

S701:

EJECT

S702

:

REPEAT

S703.

:

PROGRAM

S704:

DISC

S705:

kKKI-

<j

S706:

b>

-

Dot

S707

:

STOP

s7os

:

>/(0

S709

:

RANDOM

S710

:

HI-LITE

SCAN

SWITCH

BOARD

ASSY

S80t

:

POWER

PD-M423,

PD-M403

13

PD-M423,

PD-M403

ese.

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JA4@01

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PKB10@3

Pioneer PD-M423 User manual

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