Pioneer PD-M427 Instrucciones de construcción

ORDER NO.

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.

PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

PIONEER ELECTRONIC CORPORATION 1999

WPWXJ ‡‡AC220–240V –––––––

RDXJ ‡‡AC110–127V/220–240V With the voltage selector

MULTI COMPACT DISC PLAYER

RRV2122

T–ZZR APR. 1999 Printed in Japan

PD-M427

CONTENTS

1. SAFETY INFORMATION....................................2

2. EXPLODED VIEWS AND PARTS LIST .............4

3. SCHEMATIC DIAGRAM...................................10

4. PCB CONNECTION DIAGRAM ....................... 14

5. PCB PARTS LIST.............................................18

6. ADJUSTMENT..................................................21

7. GENERAL INFORMATION ..............................29

7.1 DISPLAY ....................................................29

7.2 BLOCK DIAGRAM......................................30

8. PANEL FACILITIES AND SPECIFICATIONS

...................................................................31

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

MULTI COMPACT DISC PLAYER

STANDBY/ON

DISC TRACK MIN SEC

1-BIT¥DLC

DIRECT LINEAR CONVERSION

EJECT REPEAT PROGRAM DISC

TRACK/MANUAL

RANDOM HI—LITE

STOP PLAY/PAUSE

-DISC

MULTI CD



41 ¢¡

PD-M407

Model

PD-M427 PD-M407

Type Power Requirement The voltage can be converted by

the following method.

PD-M427, PD-M407

WPWXJ type Only

REAR

IMPORTANT

THIS PIONEER APPARATUS CONTAINS

LASER OF CLASS 1.

SERVICING OPERATION OF THE APPARATUS

SHOULD BE DONE BY A SPECIALLY

INSTRUCTED PERSON.

LASER DIODE CHARACTERISTICS

MAXIMUM OUTPUT POWER: 5 mw

WAVELENGTH: 780 – 785 nm

LABEL CHECK

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.

1. Laser Interlock Mechanism

The ON/OFF (ON: low level, OFF: high level)

status of S601 (LPS1) and S602 (LPS2)

switches for detecting the loading state is

detected by the system microprocessor, and

the design prevents laser diode oscillation

except when both switches S601 and S602

are ON (low level or clamped state).

Thus, interlock will no longer function if

switches S601 (LPS1) and S602 (LPS2) are

deliberatery shorted (low level). The interlock

also does not function in the test mode∗.

Laser diode oscillation will continue, if pin 33

of CXA1782CQ (IC151) on the MOTHER

BOARD ASSY is connected to GND, or pin

50 of IC351 (LDON) is connected to low level

(ON), or else the terminals of Q151 are shorted

to each other (fault condition).

2. When the cover is opened with the servo

mechanism block removed to be turned over,

close viewing of the objective lens with the

naked eye will cause exposure to a Class 1

laser beam.

Additional Laser Caution

∗Refer to page 22.

PD-M427, PD-M407

PD-M427, PD-407

REAR

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

NOTES : ÷Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List.

÷The 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.

÷Screw adjacent to

∞

mark on the product are used for disassembly.

PD-M427, PD-M407

1 Control Cable (for SR) (L=1 m) Not used PDE1247 PDE1247 PDE1247

3 Remote Control Unit (CU-PD104) PWW1149 PWW1149 Not used Not used

4 Battery Cover PZN1010 PZN1010 Not used Not used

6 Operating Instructions (English) PRB1288 Not used PRB1288 Not used

6 Operating Instructions Not used PRE1281 Not used PRE1281

(English/Spanish/Chinese)

9 CD Packing Case PHG2373 PHG2373 PHG2371 PHG2371

NSP 11 Dry Cell Battery (AAA/R03) VEM-022 VEM-022 Not used Not used

12 Caution 220V Label Not used ARR1003 Not used ARR1003

1 Control Cable (for SR) (L=1 m) See Contrast table (2)

2 Output Cable (L=1 m) PDE1248

(for AUDIO)

3 Remote Control Unit See Contrast table (2)

(CU-PD104)

4 Battery Cover See Contrast table (2)

5 6-Compact Disc Magazine PXA1617

6 Operating Instructions See Contrast table (2)

7 Styrol Protector (F) PHA1276

8 Styrol Protector (R) PHA1277

9 CD Packing Case See Contrast table (2)

10 Mirror Mat Sheet Z23–007

(750X600X0.5)

NSP 11 Dry Cell Battery (AAA/R03) See Contrast table (2)

12 Caution 220V Label See Contrast table (2)

(1) PACKING PARTS LIST

Mark No. Description Parts No.

(2) CONTRAST TABLE

PD-M427/WPWXJ, RDXJ, PD-M407/WPWXJ and RDXJ are constructed the same except for the following:

WPWXJ RDXJ WPWXJ RDXJ

Part No.

Mark Remarks

Symbol and Description

No. PD-M427 PD-M407

PD-M427, PD-407

2.2 EXTERIOR

16 18

(Refer to "2.3 MULTI

MECHANISM ASSY".)

WPWXJ

type only

PD-M427, PD-M407

2 32P F · F · C/30V PDD1041 PDD1041 Not used Not used

2 30P F · F · C/30V Not used Not used PDD1049 PDD1049

3 Power Transformer PTT1236 PTT1238 PTT1236 PTT1238

4 AC Power Cord ADG1123 PDG1013 ADG1123 PDG1013

9 Function Panel PNW2913 PNW2913 PNW2912 PNW2912

15 Display Window PAM1798 PAM1798 PAM1797 PAM1797

19 FUNCTION BOARD ASSY PWZ2769 PWZ2769 PWZ2768 PWZ2768

20 MOTHER BOARD ASSY PWM2156 PNW2155 PNW2153 PNW2152

27 Rear Base PNA2501 PNA2500 PNA2499 PNA2498

32 Caution Label PRW1018 Not used PRW1018 Not used

1 Strain Relief CM–22B

2 F.F.C/30V See Contrast table (2)

3 Power Transformer See Contrast table (2)

4 AC Power Cord See Contrast table (2)

5 Bonnet PYY1149

6 Foot Assy AEC1531

7 Screw IBZ30P080FCC

8 Rubber Sheet AEB1111

9 Function Panel See Contrast table (2)

10 Play Button PAC1766

11 Name Plate PAM1776

12 Power Button PAC1719

13 …………………

14 Track Button PAC1765

15 Display Window See Contrast table (2)

16 Spring (Door) PBH1022

NSP 17 Earth Lead Unit DE007VF0

18 Door PNW2598

19 FUNCTION BOARD Assy See Contrast table (2)

20 MOTHER BOARD Assy See Contrast table (2)

(1) EXTERIOR PARTS LIST

Mark No. Description Parts No.

(2) CONTRAST TABLE

PD-M427/WPWXJ, RDXJ, PD-M407/WPWXJ and RDXJ are constructed the same except for the following:

Mark No. Description Parts No.

21 Screw BBZ30P060FMC

22 Screw BBZ30P080FZK

23 Screw PPZ30P120FMC

24 Screw FBT40P080FZK

25 Screw PDZ30P050FMC

NSP 26 Under Base PNA1751

27 Rear Base See Contrast table (2)

NSP 28 Multi Mechanism Assy PXA1592

29 Flat Cable (6P) D20PYY0615E

NSP 30 SW BOARD Assy PWZ2805

31 LED Lens PNW2019

32 Caution Label See Contrast table (2)

NSP 33 Locking Card Spacer PEC1036

34 Binder ZCA-SKB90BK

WPWXJ RDXJ WPWXJ RDXJ

Part No.

Mark Remarks

Symbol and Description

No. PD-M427 PD-M407

PD-M427, PD-407

2.3 MULTI MECHANISM ASSY

80 68

75 63

52 55

24 85

54 51

87 78

73 74

20 41

12 36

11 59

∗2 Label

60 10

44 38

46 47 28

47 46 47

∗1 Label

Red Mark Red

Mark

Fix the motor (No. 59)

on the gear holder (No.

2) so that the label

attached on the motor

faces the direction

illustrated.

*2: Fix the motor (No. 59)

on the top guide N (No. 6)

so that the label attached on

the motor faces the direction

illustrated.

PD-M427, PD-M407

1 Motor Pulley PNW1634

2 Gear Holder PNW1929

3 PU PWB (POLYIMDE) PNP1442

4 Cam Gear PNW1923

5 Belt PEB1138

6 Top Guide N PNW2441

7 Gear Pulley PNW1918

8 Gear S PNW1919

9 Gear L PNW1920

10 Eject Spring PBH1107

11 SW Lever PNW1927

12 Seven Bar PNW1931

13 Sub Revolving Lever PNW1933

14 Sub Revolving Lever Spring PBH1111

15 Revolving Lever PNW1932

16 Drive Plate PNW1930

17 Motor Screw PBA–112

18 Holder Lever Spring PBH1110

19 Disc Holder PNW1924

20 Cushion A PED1001

21 Holder Lever PNW1925

22 Float Rubber PEB1014

23 Float Rubber PEB1132

24 Float Screw PBA1073

25 Release Lever PNW1934

26 Release Spring PBH1106

27 Clamper Cam PNW1922

28 Clamper Holder PNW1921

29 Centering Spring PBH1109

30 Clamper PNW2774

31 Lock Lever PNW1917

32 Lock Spring PBH1108

33 Stair NL PNW2443

34 Stair NR PNW2444

35 Synchronize Lever PNW1926

36 Motor Assy PEA1130

(LOADING, DISC SELECT)

37 Screw PMZ26P040FMC

38 Screw PPZ30P080FMC

39 Screw BBZ30P060FMC

40 Washer WT26D047D025

41 Washer WA31D054D025

42 E Ring Z39–010

43 Screw IPZ30P080FMC

44 Spacer (Rubber) PEB1238

45 Spacer (Rubber) PEB1179

46 Silent Ring PBK1093

47 Washer WA62D130D025

48 Rack Spring PBH1128

49 Guide Bar PLA1094

50 Disc Table PNW1067

51 Gear 1 PNW2052

52 Gear 2 PNW2053

53 Gear 3 PNW2054

54 Pinion Gear PNW2055

55 FFC Holder M PNW2746

MULTI MECHANISM ASSY PARTS LIST

Mark No. Description Parts No. Mark No. Description Parts No.

56 Carriage Base PNW2699

57 D.C. Motor Assy PEA1235

(Spindle with oil)

58 Pickup Assy PEA1335

59 Carriage Motor VXM1033

60 Eject Lever PNB1306

61 Upper Chassis PNB1267

NSP 62 Servo Mechanism Assy M PXA1595

NSP 63 LOADING BOARD Assy PWZ2038

64 Sub Chassis N PNW2440

65 Main Chassis PNW2074

NSP 66 SELECT BOARD Assy PWZ2533

NSP 67 MOTOR BOARD Assy PWZ2040

68 Disc Table Assy PEA1035

69 Screw BBZ26P060FMC

70 Screw BPZ20P060FMC

71 Screw BPZ26P100FMC

72 Screw JFZ17P025FZK

73 Screw JFZ20P040FMC

74 Washer WT12D032D025

75 Connector Assy PDE1241

76 Stopper Spring PBH1131

77 Stopper PNW2069

78 D.C. Motor Assy (CARRIAGE) PEA1246

NSP 79 MECHANISM BOARD Assy PWX1192

80 Clamp Magnet PMF1014

81 …………………

82 Connector Assy PDE1240

NSP 83 Earth Lead Unit PDF1118

84 Gear Stopper PNB1303

85 Yoke M PNB1312

86 Rack Holder PNW2056

87 Carriage DC Motor PXM1027

Spacer

FFC Holder M (Pressure of about 9 kg)

Disc Table

1.2mm

6.9mm

0.9mm

±0.05mm

Yoke M

Spindle Motor

Carriage Base

Stopper

Spacer Setting

Position

1Use nipper or other tool to cut the three sections marked

Ain figure 1. Then remove the spacer

2While supporting the spindle motor shaft with the

stopper, put spacer on top of the yoke M, and stick the

disc table on top (takes about 9kg pressure). Detach the

spacer.

¶How to Install the Disc Table

PD-M427, PD-M407

1234

3. SCHEMATIC DIAGRAM Note : When ordering service parts, be sure to refer to "EXPLODED

VIEWS and PARTS LIST" or "PCB PARTS LIST".

B C D

AEFG

223

-0.7V

1.8V

1.6V

0.2V

1.7V

0V 0V

5.0V

3.4V

5.0V

MOTHER BOARD ASSY

SW BOARD ASSY

PWZ2805:WPWXJ

and RDXJ TYPES

S801

FUNCTION BOARD ASSY

( PWZ2769 : PD-M427/WPWXJ, RDXJ )

( PWZ2768 : PD-M407/WPWXJ, RDXJ ) PD-M427/ WPWXJ

, RDXJ ONLY

PICK UP ASSY

PEA1335

SERVO MECHANISM ASSY M

(PXA1595)

MULTI MECHANISM ASSY (PXA1592)

PWM2156:PD-M427/WPWXJ

PWM2155:PD-M427/RDXJ

PWM2153:PD-M407/WPWXJ

PWM2152:PD-M407/RDXJ

D801

SIGNAL ROUTE

: AUDIO SIGNAL

: AUDIO SIGNAL(WY,WPW)

: AUDIO SIGNAL(KU,KC,RD)

: FOCUS SERVO LOOP

: TRACKING SERVO LOOP

: CARRIAGE SERVO LOOP

: SPINDLE DRIVE

: LOADING DRIVE

SPINDLE

MOTOR

ASSY

PEA1235

CARRIAGE

MOTOR

ASSY

PEA1246

VXM1033

KU,KC,RD

C301

R362

CN602

D20PYY0615E

R363

R364

R365 10K

10K

MZS1

MZS2

DCH

DCNT

DSEL

CN204

DISC SELECT

SELECT BOARD ASSY

(PWZ2533)

LOADING BOARD

ASSY (PWZ2038)

MECHANISM

BOARD ASSY

(PWX1192)

MOTOR

BOARD

ASSY

(PWZ2040)

LPS1 LPS2

CLAMP

HOME

EJECT

MAGAZINE MZS1 MZS2

OUT

MULTI

SINGLE DCNT DCNM

2-6DISC

HOME

SELECTING

J701 CN351

HLEM32S-1

HLEM30S-1

PD-M427

PD-M407 PDD1041

PDD1049

S603:PSG1010

S604-S606:DSG1016

52147-0610

52151-0610

S601,S602:DSG1016

CN601

4-173979-4

4-173981-4

Holder PNB1285

DSDW

DSUP

CN610

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