Pioneer MJHX-33, MJHX-55, MJHX-77 Service manual

MINI DISC RECORDER

MJ-HX55

MJ-HX33 MJ-HX77

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

ORDER NO.

RRV2171

Type

MJ-HX55

ZLXCN ‡ ‡ ‡ DC power supplied from other system component

¶ This service manual should be used together with the following manual(s):

Model No. Order No. Remarks

MJ-HX700/ZVYXCN RRV2134

These products are component of systems. This product does not operate normally by itself. Please connect it to the CD RECEIVER SYSTEM, for adjustment and operation inspection. Otherwise damage may result.

System Component Table

Component

CD RECEIVER AMPLIFIER XC-HX55 XC-HX33 XC-HX77 SPEAKER SYSTEM( L ch, R ch ) S-HX55-LR S-HX33-L, -R S-HX77-LR

MD RECORDER MJ-HX55 MJ-HX33 MJ-HX77 This manual

Model No.

MJ-HX33 MJ-HX77

Power Requirement

Model No.

X-HX55 X-HX33

Remarks

X-HX77

PIONEER 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 Allexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION 1999

T–ZZR JULY 1999 Printed in Japan

MJ-HX55, MJ-HX33, MJ-HX77

7 CONTRAST OF MISCELLANEOUS PARTS

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

÷ The

÷ Screw adjacent to ÷ Reference Nos. indicate the pages and Nos. in the service manual for the base model.

CONTRAST TABLE

MJ-HX55/ZLXCN, MJ-HX33/ZLXCN, MJ-HX77/ZLXCN and MJ-HX700/ZVYXCN are constructed the same except for the following :

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.

mark on the product are used for disassembly.

∞

Ref.

Mark

No.

P3-3 Display Carton 66679-70 66679-55L 66679-33L 66679-77L P3-6 Sound Scape MD AFB7011 AFB7005 AFB7003 AFB7011

P5-1 NSP Front Cover (A) 66714-K7M 66714-05M Not used 66714-K7M

P5-2 NSP Front Door (A) 66708-K7M 66708-05M Not used 66708-K7M

P5-3 Button B (MD) 66717-K7M 66717-05M 66717-03M 66717-K7M

P5-10 MD Front Case 66702-K7 66702-05 66702-03 66702-K7 P5-11 Button D (REC) 66719-K7R 66719-05R 66719-03R 66719-K7R P5-19 Eject Button 66721-K7 66721-05 66721-03 66721-K7 P5-20 Button C (MD EDIT) 66718-K7ME 66718-05ME 66718-03ME 66718-K7ME P5-24 Inner Panel (MD) 66711-K7M 66711-05M 66711-03M 66711-K7M

P5-36 Leg Rubber (A) 66758-01 66758-01 Not used 66758-01

P5-37 Foot (A) 66722-K7 66722-05 Not used 66722-K7

P5-38 MD Rear Case 66704-K7 66704-05 66704-03 66704-K7

Symbol and Description

PACKING

POS Code Seal 66668-M70 66668-M55 66668-M33 66668-M77 No.1

EXTERIOR

Front Cover (B) Not used Not used 66715-03M Not used

Front Door (B) Not used Not used 66709-03M Not used

Leg Rubber (B) Not used Not used 66759-02 Not used

Foot (B) Not used Not used 66723-03 Not used

MJ-HX700 MJ-HX55

/ZVYXCN /ZLXCN /ZLXCN /ZLXCN

Part No.

MJ-HX33 MJ-HX77

Remarks

P5-46 Back Plate (MD) 66762-70 66762-MJ55 66762-MJ33 66762-MJ77 P5-47 Front Door A Assy (MD) 10000-K7M 10000-05M Not used 10000-K7M

Front Door B Assy (MD) Not used Not used 10100-03M Not used

Note : • The numbers in the remarks column correspond to the numbers on the exploded diagram. Refer to “EXPLDED VIEWS”

EXPLDED VIEWS

PACKING SECTION

Front Side

No.1

2

Display Carton

MINI DISC RECORDER

MJ-HX5000

MJ-HX3000 MJ-HX2000 MJ-HX700

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

ORDER NO.

RRV2134

Type

MJ-HX5000MJ-HX3000MJ-HX2000 MJ-HX700

ZUCXCN ‡ ‡ ‡ — DC power supplied from other system component

ZUCXCN1 ‡ ‡ ‡ — DC power supplied from other system component

ZVYXCN — — — ‡ DC power supplied from other system component

¶ ZUCXCN type and ZUCXCN1 type are constructed the same.

These products are component of systems. This product does not operate normally by itself. Please connect it to the CD RECEIVER SYSTEM, for adjustment and operation inspection. Otherwise damage may result.

Model

Power Requirement

Remarks

CONTENTS

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

2. EXPLODED VIEWS AND PARTS LIST .............3

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 8

4. PCB CONNECTION DIAGRAM .......................19

5. PCB PARTS LIST .............................................26

6. ADJUSTMENT..................................................28

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

7. GENERAL INFORMATION ..............................28

7.1 DIAGNOSIS ...............................................28

7.2 PARTS .......................................................30

8. PANEL FACILITIES AND SPECIFICATIONS

...................................................................32

T–ZZR MAY 1999 Printed in Japan

MJ-HX5000, MJ-HX3000, MJ-HX2000, MJ-HX700

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 This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 – Proposition 65

THIS PIONEER APPARATUS CONTAINS LASER OF CLASS 1. SERVICING OPERATION OF THE APPARATUS SHOULD BE DONE BY A SPECIALLY INSTRUCTED PERSON.

LABEL CHECK

IMPORTANT

LASER DIODE CHARACTERISTICS MAXIMUM OUTPUT POWER: 5 mw WAVELENGTH: 780 – 785 nm

Excpet for MJ-HX700

MJ-HX700 type Only

2

MJ-HX5000, MJ-HX3000, MJ-HX2000, MJ-HX700

2. EXPLODED VIEWS AND PARTS LIST

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

÷ The

÷ Screw adjacent to

2.1 PACKING

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.

mark on the product are used for disassembly.

∞

6

5

7

1

4

13

14

12 10

9

8

11

(1)PACKING PARTS LIST

Mark No. Description Parts No.

1 Polyfoam (TOP) 66680 2 Polyfoam (BOTTOM) 66681 3 Display Carton See Contrast table (2) 4 Mirormat Mat(380x300x0.5) 66694

2

3

5 Exclusive use CD-MD Cable 60233

(L=1.0 m)

6 Sound Scape MD AFB7011-A 7 MD RECORDER See Contrast table (2) 8 Operating Instructions (English) 66780-MDU 8 Operating Instructions (French) 66780-MDF 9 Operating Instructions See Contrast table (2)

10 Guarantee Card See Contrast table (2) 11 Polyethylene Bag 53117

(0.03 × 200 × 300) 12 Initial Instruction Manual 66783 13 Carton Sheet C 66669 14 Safety Directions See Contrast table (2)

(2) CONTRAST TABLE

MJ-HX5000, MJ-HX3000, MJ-HX2000 and MJ-HX700 are constructed the same except for the following:

Mark Remarks

No.

3 Display Carton 66679-50U 66679-30U 66679-20U 66679-70

NSP 7 MD RECORDER MJ-HX5000 MJ-HX3000 MJ-HX2000 MJ-HX700

9 Operating Instructions (German) Not used Not used Not used 66780-MDG 10 Guarantee Card 66688-U 66688-U 66688-U 66688-Y/N 14 Safety Directions 66784-50U 66784-30U 66784-20U 66784-70V

Symbol and Description

MJ-HX5000 MJ-HX3000 MJ-HX2000 MJ-HX700

/ZUCXCN /ZUCXCN /ZUCXCN /ZVYXCN

Part No.

3

MJ-HX5000, MJ-HX3000, MJ-HX2000, MJ-HX700

2.2 EXTERIOR

32

38

39

40

41

52

A

51

8

42

8

43

44

45

46

8

88

8

B

9

32

37

36

35

47

8

15

11

10

9

8

4

7

5

6

3

23

1

2

12

18

9

14

13

8

19

20

22

26

25

48

24

27

28

16

31

50

8

21 Refer to "2.3 MD MECHA. (1/2)" "2.4 MD MECHA. (2/2)"

49

17

34

40

53

29

A

B

44

33

34

30

34

4

MJ-HX5000, MJ-HX3000, MJ-HX2000, MJ-HX700

(1) EXTERIOR PARTS LIST

Mark No. Description Parts No.

NSP 1 Front Cover A, B (MD) See Contrast table (2) NSP 2 Front Door A, B (MD) See Contrast table (2)

3 Button B (MD) See Contrast table (2) 4 Lens 66734-MD 5 Cushion A 66795

Mark No. Description Parts No.

26 MD Door Shaft 66750 27 MD Door Spring 66751 28 Screw PAN M3x6 PMZ30P060FZK 29 Screw BIND TAPP. M3x6 BMZ30P060FZK 30 Shield Case (Bottom) 66739

6 Door Shaft A 66746 7 Dumper Gear 60227 8 Screw PAN TAPP. T3x10 PMZ30P100FNI 9 Plate Nut 66741 10 MD Front Case See Contrast table (2)

11 Button D (REC) See Contrast table (2) 12 LCD Window 66735 13 LCD Assy 52715 14 LCD Sheet 66756 15 LCD Holder 66727

16 MD COMBI PCB Assy 66785C

(LED PCB)

17 MD COMBI PCB Assy 66785A

(FRONT PCB) 18 Push Door Lock 60226 19 Eject Button See Contrast table (2) 20 Button C (MD EDIT) See Contrast table (2)

21 MD Mechanism Assy 61416 22 Front Door Spring 66748 23 Screw PAN TAPP. T2x8 PBZ20P080FMC 24 Inner Panel (MD) See Contrast table (2) 25 MD Door 66732

31 Shield Case (Up) 66738 32 Screw PLAT M3x6 CMZ30P060FNI 33 MD COMBI PCB Assy 66785B

(AD/DA PCB) 34 Screw PAN M2x4 PMZ20P040FZK 35 Screw PAN M3x10 PBZ30P100FMC

36 Leg Rubber (A, B) See Contrast table (2) 37 Foot (A, B) See Contrast table (2) 38 MD Rear Case See Contrast table (2) 39 12P Connector Holder A 66728

NSP 40 12P Connector Assy 66763

41 12P Connector Holder B 66729 42 Wire Clamper 66726 43 10P Connector Holder A 66730

NSP 44 10P Connector Assy 66778

45 10P Connector Holder B 66731

46 Back Plate (MD) See Contrast table (2) 47 Front Door Assy A,B (MD) See Contrast table (2) 48 Panel Tape B 66761 49 16P FFC (SUMI Card) 66775 50 19P FFC (SUMI Card) 66776

51 Label Plate (CAUTION) 66690I 52 Label Plate See Contrast table (2) 53 Label Plate (MD Caution A) See Contrast table (2)

(2) CONTRAST TABLE

MJ-HX5000, MJ-HX3000, MJ-HX2000 and MJ-HX700 are constructed the same except for the following:

Mark

No.

NSP 1 Front Cover (A, B) 66714-05M 66715-03M 66714-02M 66714-K7M NSP 2 Front Door (A, B) 66708-05M 66709-03M 66708-02M 66708-K7M

3 Button B (MD) 66717-05M 66717-03M 66717-02M 66717-K7M 10 MD Front Case 66702-05 66702-03 66702-02 66702-K7 11 Button D (REC) 66719-05R 66719-03R 66719-02R 66719-K7R

19 Eject Button 66721-05 66721-03 66721-02 66721-K7 20 Button C (MD EDIT) 66718-05ME 66718-03ME 66718-02ME 66718-K7ME 24 Inner Panel (MD) 66711-05M 66711-03M 66711-02M 66711-K7M

36 Leg Rubber (A, B) 66758-01 66758-02 66758-02 66758-01 37 Foot (A, B) 66722-05 66723-03 66723-02 66722-K7

38 MD Rear Case 66704-05 66704-03 66704-02 66704-K7 46 Back Plate (MD) 66762-50U 66762-30U 66762-20U 66762-70 47 Front Door Assy (MD) 10000-05M 10000-03M 10000-02M 10000-K7M 52 Label Plate 66690B 66690B 66690B 66690E 53 Label Plate (MD Caution A) Not used Not used Not used 66690A

Symbol and Description

MJ-HX5000 MJ-HX3000 MJ-HX2000 MJ-HX700

Part No.

Remarks

5

MJ-HX5000, MJ-HX3000, MJ-HX2000, MJ-HX700

2.3 MD MECHA. (1/2 : LOADING ASSY)

12

13

11

14

16

10

9

8

32

15

17

13

11

18

7

6

4

26

19

12

22

24

20

21

Refer to "2.4 MD MECHA. (2/2 : MECHA ASSY)

33

23

3

2

1

5

31

27

30

2

¶ MD MECHA. (1/2:LOADING ASSY) PARTS LIST

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

1 Motor Plate Assy X-2646-247-1 2 Screw +P2.6x4.5 TYPE3 7-627-854-28 3 L-SW Wire Connection Board 1-668-261-11 4 Connecton Wire (6P) 1-783-386-11 5 Gear (AW B) 2-646-555-02

6 Gear (AW A) 2-646-554-01 7 Slot Frame Assy X-2646-249-2 8 Lifter Spring (Slot Arm) 2-646-563-01 9 Slot Arm 2-646-556-01 10 Load Frame Assy X-2646-248-2

11 lnsulator 2-646-548-01 12 W2.6,MIDDLE 7-688-002-11 13 Screw 4-628-167-01 14 Slid Frame 2-646-557-01 15 Head Arm 2-646-559-01

18 Mode Cam 2-646-560-01 19 Head F.Wire Connection 1-669-181-11 20 Screw +P1.7x2.5TYPE2 2-627-529-01 21 MD Head 1-500-518-12 22 Sheet 2-646-549-02

23 MD MOUNT ASSY A-4917-020-A 24 Screw 2-643-228-01 25 • • • • • 26 Lifter Spring (Door Arm) 2-646-545-01 27 Main Frame 2-646-547-02

28 • • • • • 29 • • • • • 30 Loading Motor Assy X-2626-328-1 31 Screw +P1.7x1.8TYP.3 7-627-852-38 32 Screw +P2x3 TYP.3 7-627-853-37

16 Lifter Spring (Slot Frame) 2-646-562-01 17 Coil Spring (Head Arm) 2-646-561-01

6

33 Loading Assy A-4912-117-A

MJ-HX5000, MJ-HX3000, MJ-HX2000, MJ-HX700

2.4 MD MECHA. (2/2 : MECHA ASSY)

23

6

12

11

13

8

1

9

10

7

5

4

3

2

1

4

15

25

19

18

15

14

20

21

16

17

1

24

22

¶ MD MECHA. (2/2:MECHA ASSY) PARTS LIST

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

1 Screw +P1.4x3.5 TYPE3 2-627-404-01 2 Guide 2-646-453-01 3 Connecton Wire (7P) 1-783-387-11 4 Screw +P1.4x1.8TYPE3 7-627-850-79 5 D-SW MOUNT BOARD 1-668-262-11

16 SL Motor Assy X-2626-329-1 17 Gear (MD) 2-646-571-01 18 Screw +P1.7x4 TYPE3 7-627-852-18 19 SP Motor Assy X-2626-327-1 20 Lead Screw Assy X-2626-330-1

6 Servo Base 2-646-575-01 7 SP Motor Holder 2-646-566-01 8 OP Lead Wire 1-669-180-11 9 SL Motor Lead Wire 1-783-318-11 10 SL Motor Lead Wire 1-783-318-21

11 Guide Shaft 2-646-452-01 12 Screw +P1.4x1.4TYPE2 2-627-530-D1 13 Rack (Insater) 4-963-914-02 14 Pulley Load plate 2-646-567-01 15 N0.0 Cross Screw 2-627-431-01

21 Lead Holder Assy X-2626-331-1 22 Lead Holder (B) 2-646-573-01 23 Deck Mechanism Assy A-4912-118-A 24 MD MECHANISM ASSY KMS-260A

(KMS-260A)

25 SP Tension Spring 2-646-564-01

7

1

234

MJ-HX5000, MJ-HX3000, MJ-HX2000, MJ-HX700

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A

POWER PCB

CN301

TO CD RECEIVER

B

TUNER PCB

CN101

TO CD RECEIVER

EXCLUSIVE USE

CD– MD

TARMINAL

CD

C

REC IN

CN805

1

CON SYSSI

2

SYSSO

3

SYSCLK

4

SUBCS

5

SUBREQ

6

SUBRST

7 8

COM+5V COM GND

9

MD+5V

10 11

MDGND

12

CON

CN806

REC L

1 2

AU GND

3

LCH

4

AU GND

5 6

AU+9V

7 8

AU GND B.LED+9V

9

B.LEDGND

10

CN807

Q803 - Q807

(2SA1037K, 2SC2412K)

+3.3V REG.

1

IC803

MD +5V

MD

R ch

MD REC

R ch

2

AD/DA PCB

A

ASSY

IC801 52186

20

(AK4518-VF-E2)

AD/DA CON.

6 3

1519 12

IC802

(TC7SU04F)

X'TAL OSC.

MD

CN801

SYS3.3V

LEDO

STB

VBAT

AMUTE

XLATCH

DA RST

RXD

TXD RTS

POWER DOWN

CTS

EMPHASIS

CN804

ADDT

DADT

DIN

DOUT

+5V +5V

256FS

2 1 4 3 6 5

8 7 10 9 12 11 14 13 16 15

2 1

4 3

6 5

8 7 10 9 12 11 14 13 16 15 18 17

19

CN802

1

AN0 AN1

2

AN2

3

B.LED+9V

4

B.LEDGND

5

SCAPELED

6

BACKLEDY

7 8

BACKLEDG GND

9

D

+5V

10

IC800 52181

(CXP84632-1)

SUB. CPU

CN803

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

R/W

RS

1 2 3 4 5 6 7 8

E

9 10 11

8

1234

5

67

8

MJ-HX5000, MJ-HX3000, MJ-HX2000, MJ-HX700

10 9 12 11 14 13 16 15

CN102

10 9 12 14 13 16 15 18 17

2 1 4 3 6 5 8 7

CN103

DADT

19

ADDT

DIN

AMUTE

XLATCH

DARST

OUT3F OUT3R OUT4R

OUT4F

EMP

CTS RTS TXD

RXD

A2+3V

TRDR TFDR FFDR

FRDR SRDR SFRD

IN3R IN3F

IN2R IN2F

93 90

83 70 60 59 58

57

69 53 85

86 88 89 91 92 93 94

XRST

PSB

16 15 14 12 10

8

6 30 29

IN4R

43, 36, 23, 20, 13, 8,

µCOM

(IC201)

RU8X12MF-0020

41–42, 32-33,12-16

1–9, 10–15

DSSP

&

DSP

(IC121)

CXD2652AR

SPRD SPFD

10

29–32, 34–38, 46–49

1–2,5,6–9, 11–15, 18–19

DRAM

(IC125)

MSM51V4400-70TS-K

VM3

13

IN1F

19

IN1R

ROHM

18

DRIVER

17

(IC152)

BH6511FS

VDD

OUT1F

-ES

21

OUT1R

23

43

IN4F

CHACK IN

LIMITIN

DADATA ADDATA

M+5V

CN106

1

6

REC P

37

PB P

38

96

CHACK IN

REC P

PB P

LIMITIN

1

2

3

4

5

6

L-SW PWB

ASSY

(1-668-261-11)

CN105

1 2 3 4 5 6 6 6

21

1 2 3 4 5 6

2 1 4 3 6 5

8 7 10 9 12 11 14 13 16 15 18 17 20 19

D-SW PWB

ASSY

Mini Disk

21

(1-668-262-11)

Device

(KMS-260A)

B

MD MOUNT

C

DIN

21

24 23

79– 83

62– 67

55

RF1

ASSY

16 20

RF

38

RF–AMP

(IC101)

CXA2523AR

25 35

SPDL+

SPDL-

CN101

2 1

2

4 3

VC

1

4 3 6 5

8 7 10 9 12 11

TRK-

14 13

FSC+

16 15

FSC-

18 17

TRK+

20 19

C

A

1 2 3 4 5 6 7 8

9 10 11

CN903

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 E R/W RS

5

MD MECHANISM ASSY (KMK-260AAB)

KEY LED

LED DRIVER

Q901–Q905

DTC114YK

LCD DRIVER

IC 900 52182

(NJU6408B)

LC 900

LCD PANEL

52715

(KSG4148S)

BACK-LIGHT

LED

SCAPE-LED

KEY

CN902

1

AN0 AN1

2

FRONT MD PCB

1

CN901 CN900

ASSY

1 2 3 4

B

AN2

B.LED+9V

B.LEDGND SCAPELED BACKLEDY

BACKLEDG

GND

+5V

3 4 5 6 7 8 9

10

D

9

6

7

8