Pioneer MEH-P7300R User manual

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 EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

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

C PIONEER CORPORATION 2001

K-ZZS. MAR. 2001 Printed in Japan

ORDER NO.

CRT2660

SOURCE

DISP

EQ

FUNC

AUDIO

123456 E B

SFEQ

SELECT

MULTI-CD/DAB CONTROL HIGH POWER MD PLAYER WITH RDS TUNER

MEH-P7300R EW

Service

Manual

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

Model No. Order No. Mech. Module Remarks

CX-1020 CRT2653 MD-4LP

MD Mech. Module:Circuit Description, Mech.Description, Disassembly

MEH-P7300R/EW

MEH-P7350 ES

CONTENTS

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

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

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12

4. PCB CONNECTION DIAGRAM ................................42

5. ELECTRICAL PARTS LIST ........................................52

6. ADJUSTMENT..........................................................63

7. GENERAL INFORMATION .......................................67

7.1 DIAGNOSIS ........................................................67

7.1.1 TEST MODE ..............................................67

7.1.2 DISASSEMBLY .........................................71

7.1.3 CONNECTOR FUNCTION DESCRIPTION .......74

7.2 IC ........................................................................76

7.3 OPERATIONAL FLOW CHART...........................84

8. OPERATIONS AND SPECIFICATIONS.....................85

MULTI-CD CONTROL HIGH POWER MD PLAYER WITH FM/AM TUNER

- US and foreign patents licensed from Dolby Laboratories Licensing Corporation.

2

MEH-P7300R,P7350

1. SAFETY INFORMATION

1.1 MEH-P7300R/EW, P7350/ES

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.

1.2 MEH-P7300R/EW

1. Safety Precautions for those who Service this Unit.

• When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable

results.

Caution:

1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.

2. During repair or tests, do not view laser beam for 10 seconds or longer.

2. A “CLASS 1 LASER PRODUCT” label is affixed to the

bottom of the player.

3. The triangular label is attached to the mechanism

module frame unit.

4. Specifications of Laser Diode

Specifications of laser radiation fields to which human access is possible during service.

Wavelength = 800 nanometers

CLASS 1

LASER PRODUCT

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING(KEH-P7300R/EW)

MEH-P7300R.P7350

3

1 Carton CHG4318

2 Cord Assy CDE6435

* 3 Accessory Assy CEA2397

4 Screw CBA1002

5 Handle CNC5395

6 Bush CNV3930

* 7 Polyethylene Bag E36-615

8 Polyethylene Bag CEG-162

9-1 Polyethylene Bag CEG1116

9-2 Owner’s Manual CRD3371

9-3 Owner’s Manual CRD3372

9-4 Owner’s Manual CRD3373

9-5 Installation Manual CRD3374

* 9-6 Passport CRY1013

* 9-7 Warranty Card CRY1157

* 9-8 Caution Card CRP1207

* 9-9 Caution Card CRP1220

* 10 Battery CEX1030

11 Contain Box CHL4318

12 Protector CHP2347

13 Protector CHP2346

14 Case Assy CXB3520

15 Inner Box CHW1754

16 Remote Control Assy CXB6860

17 Belt CZN7661

18 Holder Assy CZX3172

19 Holder Assy CZX3173

20 Screw Assy CZE3169

* 21 Polyethylene Bag CEG-127

* 22 Hexagonal Wrench CZE3176

* 23 Screw RMZ30H060FBK

24 Remote Control Assy CZX3246

Mark No. Description Part No. Mark No. Description Part No.

- PACKING SECTION PARTS LIST

NOTE:

- Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.

- Screws adjacent to ∇ mark on the product are used for disassembly.

- Owner's Manual, Installation Manual

Model Part No. Language

MEH-P7300R/EW CRD3371 English, Spanish

CRD3372 German, French

CRD3373 Italian, Dutch

CRD3374 English, Spanish, German, French, Italian, Dutch

9

14

11

8

13

12

6

5

7

4

3

1

15

10

16

17

23

20

21

22

24

18

19

2

4

MEH-P7300R,P7350

2.2 PACKING(MEH-P7350/ES)

20

22

25

24 23

14

5

8

12

4

11

10

9

7

6

17

2

18

13

16

15

1

19

3

21

5

MEH-P7300R.P7350

1 Carton CHG4319

2 Cord Assy CDE6438

3 Accessory Assy CEA2395

4 Spring CBH1650

5 Screw Assy CEA2396

6 Screw CBA1002

* 7 Polyethylene Bag CEG-127

8 Screw CRZ50P090FMC

9 Screw TRZ50P080FMC

* 10 Polyethylene Bag CEG-158

11 Handle CNC5395

12 Bush CNV3930

13 Polyethylene Bag CEG-162

* 14 Battery CEX1006

15 Contain Box CHL4319

16 Protector CHP2347

17 Protector CHP2346

18 Case Assy CXB3520

19-1 Polyethylene Bag CEG1116

19-2 Owner’s Manual CRD3375

19-3 Owner’s Manual CRD3376

19-4 Installation Manual CRD3377

* 19-5 Caution Card CRP1207

* 19-6 Caution Card CRP1220

20 Remote Control Assy CXB3875

21 Inner Box CHW1759

22 Base Assy CEA2426

* 23 Base CNS5031

* 24 Sheet CZA3371

* 25 Polyethylene Bag CZE3188

Mark No. Description Part No. Mark No. Description Part No.

- PACKING SECTION PARTS LIST

- Owner's Manual, Installation Manual

Model Part No. Language

MEH-P7350/ES CRD3375 English, Spanish

CRD3376 Arabic, Portuguese(B)

CRD3377 English, Spanish, Portuguese(B), Arabic

6

MEH-P7300R,P7350

2.3 EXTERIOR(MEH-P7300R/EW)

A

B

C

MEH-P7300R.P7350

1 Screw BMZ30P040FZK

2 Screw BMZ30P100FMC

3 Screw BSZ26P060FMC

4 Screw BSZ30P040FMC

5 Cord Assy CDE6435

6 Terminal Cover CKX-003

7 Cable CDE6452

8 Cord Assy CDE6453

9 Cord Assy CDE6455

10 Fuse(10A) CEK1136

11 Holder CNC5704

12 Holder CNC8659

13 Cushion CNM4870

14 Insulator CNM6948

15 Screw BMZ26P040FMC

16 Panel CNS6552

17 Tuner Amp Unit CWM7463

18 Screw ASZ26P060FMC

19 Screw BPZ26P120FMC

20 Screw BSZ26P160FMC

21 Clamper CEF1007

22 Pin Jack(CN351) CKB1028

23 Plug(CN901) CKM1330

* 24 Plug(CN451) CKS1052

25 Connector(CN101) CKS3408

26 Plug(CN801) CKS3537

27 Connector(CN352) CKS3602

28 Connector(CN651) CKS4204

29 Antenna Jack(CN401) CKX1056

30 Holder CNC8615

31 Holder CNC9468

32 Insulator CNM6949

33 Heat Sink CNR1583

34 FM/AM Tuner Unit CWE1562

35 Holder CNC8815

36 IC(IC301) PAL006A

37 Chassis Unit CXB6462

38 Button(EJECT) CAC6839

39 Screw(M2x2) CBA1176

40 Washer CBF1038

41 Washer CBF1039

42 Spring CBH2428

43 Spring CBH2429

44 Spring CBL1512

45 Holder CNC9096

46 Holder CNC9258

47 Panel CNS6350

48 Pin CNV6486

49 Holder CNC9259

50 Gear CNV6507

51 Arm CNV6508

52 Panel Unit CWM7627

53 Socket(CN1950) CKS3550

54 Connector(CN1951) CKS4206

55 Damper Unit CXB5070

56 Holder Unit CXB6356

57 Holder Unit CXB6357

58 Clutch Unit CXB6358

59 Screw IMS20P045FZK

60 Detach Grille Assy CXB6552

61 Screw BPZ20P100FZK

62 Button(FUNC AUDIO) CAC6776

63 Button(SOURCE DISP) CAC6777

64 Button(OPEN) CAC6780

65 Button(1-6) CAC6841

66 Button(SFEQ) CAC6842

67 Button(EQ) CAC6840

68 Spring CBH2430

69 Spring CBH2431

70 Spring CBH2491

71 Spring CBL1470

72 Cover CNS6282

73 Holder CNV6505

74 Holder CNV6506

75 Keyboard Unit CWM7466

76 Connector(CN1901) CKS4524

77 Holder CNC9112

78 Cushion CNM6633

79 Cushion CNM7469

80 Holder CNV6105

81 OEL Unit MXS8016

82 Knob Unit CXB7239

83 Sub Grille Assy CXB7256

84 Remote Control Assy CZX3246

85 Cover CZN7655

86 Case Unit CXB7481

87

MD Mechanism Module(MD-4LP) CXK3320

88 Screw ISS26P055FUC

89 Transistor(Q921,999) 2SD2396

90 IC(IC1903) TSOP1840SB1

91-93 •••••

94 Holder CNC5399

- EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.

7

8

MEH-P7300R,P7350

2.4 EXTERIOR(MEH-P7350/ES)

A

B

C

MEH-P7300R.P7350

1 Screw BMZ30P040FZK

2 Screw BMZ30P100FMC

3 Screw BSZ26P060FMC

4 Screw BSZ30P040FMC

5 Cord Assy CDE6438

6 •••••

7 Cable CDE6452

8 Cord Assy CDE6454

9 Cord Assy CDE6455

10 Fuse(10A) CEK1136

11 Holder CNC5704

12 Holder CNC8659

13 Cushion CNM4870

14 Insulator CNM6948

15 Screw BMZ26P040FMC

16 Panel CNS6553

17 Tuner Amp Unit CWM7464

18 Screw ASZ26P060FMC

19 Screw BPZ26P120FMC

20 Screw BSZ26P160FMC

21 Clamper CEF1007

22 Pin Jack(CN351) CKB1028

23 Plug(CN901) CKM1330

* 24 Plug(CN451) CKS1052

25 Connector(CN101) CKS3408

26 Plug(CN801) CKS3537

27 Connector(CN352) CKS3598

28 Connector(CN651) CKS4204

29 Antenna Jack(CN401) CKX1056

30 Holder CNC8615

31 Holder CNC9469

32 Insulator CNM6949

33 Heat Sink CNR1583

34 FM/AM Tuner Unit CWE1563

35 Holder CNC8815

36 IC(IC301) PAL006A

37 Chassis Unit CXB6463

38 Button(EJECT) CAC6839

39 Screw(M2x2) CBA1176

40 Washer CBF1038

41 Washer CBF1039

42 Spring CBH2428

43 Spring CBH2429

44 Spring CBL1512

45 Holder CNC9096

46 Holder CNC9258

47 Panel CNS6350

48 Pin CNV6486

49 Holder CNC9259

50 Gear CNV6507

51 Arm CNV6508

52 Panel Unit CWM7627

53 Socket(CN1950) CKS3550

54 Connector(CN1951) CKS4206

55 Damper Unit CXB5070

56 Holder Unit CXB6356

57 Holder Unit CXB6357

58 Clutch Unit CXB6358

59 Screw IMS20P045FZK

60 Detach Grille Assy CXB6553

61 Screw BPZ20P100FZK

62 Button(FUNC AUDIO) CAC6776

63 Button(SOURCE DISP) CAC6777

64 Button(OPEN) CAC6780

65 Button(1-6) CAC6841

66 Button(SFEQ) CAC6842

67 Button(EQ) CAC6840

68 Spring CBH2430

69 Spring CBH2431

70 Spring CBH2491

71 Spring CBL1470

72 Cover CNS6282

73 Holder CNV6505

74 Holder CNV6506

75 Keyboard Unit CWM7467

76 Connector(CN1901) CKS4524

77 Holder CNC9112

78 Cushion CNM6633

79 Cushion CNM7469

80 Holder CNV6105

81 OEL Unit MXS8016

82 Knob Unit CXB7239

83 Sub Grille Assy CXB7257

84 Remote Control Assy CXB3875

85 Battery Cover CNS5032

86 Case Unit CXB7481

87

MD Mechanism Module(MD-4LP) CXK3320

88 Screw ISS26P055FUC

89 Transistor(Q921,999) 2SD2396

90 IC(IC1903) TSOP1840SB1

- EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.

9

10

MEH-P7300R,P7350

2.5 MD MECHANISM MODULE

F

D

E

11

MEH-P7300R.P7350

1 MD Unit(MD-4LP) CWX2505

2 Connector(CN401) CKS4055

3 Connector(CN101) CKS4056

4 •••••

5 Screw CBA1537

6 Screw CBA1538

7 Screw CBA1539

8 Screw CBA1540

9 Screw CBA1541

10 Screw CBA1542

11 Washer CBF1037

12 Washer CBF1038

13 Washer CBF1039

14 Spring CBH2213

15 Spring CBH2440

16 Spring CBH2243

17 Spring CBH2441

18 Spring CBH2217

19 Spring CBH2218

20 Spring CBH2437

21 Spring CBH2438

22 Spring CBH2214

23 Spring CBH2442

24 Spring CBH2289

25 Spring CBL1405

26 Spring CBL1406

27 Spring CBL1519

28 •••••

29 PU Unit CGY3000

30 Shaft CLA3489

31 Shaft CLA3490

32 Shaft CLA3491

33 Bracket CNC8418

34 Arm CNC8269

35 Arm CNC8270

36 Cushion CNM6301

37 Sheet CNM6323

38 Sheet CNM6324

* 39 Sheet CNM6653

40 Sheet CNM7172

41 Sheet CNM6727

42 Sheet CNM6728

43 PCB CNP5335

44 Gear CNV5616

45 Holder CNV5623

46 Rack CNV5624

47 Rack CNV5625

48 Roller CNV5626

49 Collar CNV5627

50 Damper CNV5629

51 Guide CNV5630

52 Gear CNV5631

53 Gear CNV5633

54 Gear CNV5634

55 Gear CNV5635

56 Gear CNV5636

57 Guide CNV5746

58 Lever CNV5747

59 Lever CNV5748

60 Gear CNV5834

61 Gear CNV5837

62 Gear CNV5838

63 Gear CNV5839

64 Gear CNV5913

65 Composite PCB CNX3127

66 Chassis Unit CXB4399

67 Spring Unit CXB4047

68 Holder Unit CXB6415

69 Bracket Unit CXB4049

70 Frame Unit CXB4402

71 Bracket Unit CXB4051

72 Bracket Unit CXB6407

73 Motor Unit(-C)(M1)(CRG) CXB4054

74 Screw IMS20P025FMC

75 Screw Unit(-C) CXB4055

76

Motor Unit(-A)(M2)(Loading) CXB7603

77 Motor(M3)(SPDL) CXM1181

78 Screw JGZ14P018FZK

79 Washer WB16FMC

80 Washer YE12FUC

81 Connector(CN301) CKS4060

82 Guide CNC9597

83 •••••

84 Lever CNV6670

85 Spring CBH2477

86 Arm CNV6541

87 Spring CBH2443

Mark No. Description Part No.

- MD MECHANISM MODULE SECTION PARTS LIST

12

MEH-P7300R,P7350

1

23

4

1234

D

C

B

A

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM(MEH-P7300R/EW)

Q153 Q151

Q402

Q155

Q501

IC 501

PM4009A

IC 101

CA0008AM

X501

RDS

DECODER

IP-BUS DRIVER

1211

20

8

MUTE

XOUT

XIN

PEE

24

VDSEL

34

OELPW

22

40

SYSTEM µ-COM

IC 601(2/2)

CN401

VDD

VCC

ANT

1

2

BUS—

B

BUS+

BUS+L

BUS—L

1

2

8

6

5

TX

RX

IPPW

SWVDD

BU

CN651

BU

Q852

Q991

Q999

A

TUNER AMP UNIT

14

1

24

VDD

SWDACC

Q851

35

DPDT

36

KYDT

SYSPW

Q101

Q102

N

6

EJTIN

BSO,BSI

BSRQ

BRST

BSCK

BRXEN

31,32

57

55

33

56

43

ILMPW

RESET

12

Q993

BSRQ

BSCK

5

8

1

7

CN101

11

BUZZER

IC 3

EEPROM

FM/AM TUNER UNIT

28

27

FM/AM 1ST IF 10.7MHz

T51 Q51 CF51

CF52 CF53

IC1

MIXER, IF AMP, DET.

6

21

18

LDET

COMP

22

25

10 14 12 15 16 8 13 2 3 4

CF202

VDD

VCC

DI/DO

CE2

CK

CE1

SDBW

SL

FMSD

NL1

NL2

IC 2 FM MPX

AMANT

FMANT

ATT

AMRF

FMRF

RF ADJ

ANT2 ADJ

X901

10.25MHz

ANT1 ADJ

LOCL

23

LOCH

AMDET

MPXREF 41kHz

AM 2ND IF

450kHz

19

CREQ

11

DGND

1

STIND

L ch

5

R ch

924

NC

FMLOCL

20177

NC

WC

26

RFGND

M

MM

LASER

DIODE

MONITOR

DIODE

FOCUS ACT.

LOADING

MOTOR

DISC SW

LOAD SW

HOME SW

CLMP SW

SPDL

MOTOR

EJCT

SW

CRG

MOTOR

TRACKING ACT.

LD+

MON

F+

T+

LO—

LO+

SO—

SO+

EJECT

DISC

LOAD

HOME

CLMP

14

19

1,2

3

10

12

11

9

10

14

13

15

17

32

34

33

XOUT

AUX2

AUX1

XIN

ESW

DISC

LSW

HOME

CSW

7

25

15

1

5

3

93

20

AOOTL

28

XRST

FEA

AUX

96

VREF

86

VDDSW

75

MUTE

95

VDSENSE

44

VDON

34

BSI

33

BSO

37

bsrq

17

brst

35

BSCK

38

BRXEN

10

reset

MDVD

VDCONT

MDVD

BDAT

BRQ

BRST

BCK

BRX

BDATA

BRXEN

MRST

21

84

10

11

9

7

6

5

4

3

1

13

10

9

7

6

5

4

3

1

13

14

19

1,2

3

E

SW1 PCB

D

MD UNIT

F

SW2 PCB

PU UNIT

CN101

IC 101

CXA2523AR

IC 401

BA5985FM

IC 201

CXD2667R

CN401

Q101

Q102

UMD2N

IC 102

NJM2115V

IC 304

TC7WH34FU

IC 301

PD5655A

IC 302, 303

TC7WT125FU

X201

11

81

82

79

83

80

13

LDCNT

43

X301

Q301

Q602

Q601

VDD

3VD

PVD

13

IC 701

BA033FP

5

11

4

3

7

9

6

8

10

PVD

2

1

MDL

16

1

2

CN301

HOLOGRAM

UNIT

RF AMP

DIGITAL

SERVO

RTRAC

5ch Pow-Driver

MD SYSTEM CONTROLLER

3V Regulator

BRST

PD5619A

5

11

4

3

7

9

6

8

10

2

1

16

13

MEH-P7300R,P7350

5

6

78

5

6

78

D

C

B

A

C

Q155

1

AM

RIVER

19

ldet

48

fm/AM

52

12

1

TMUTE

bsens

asens

NL2DT

VDD

BU

NL1

74

73

SD

SL

SDBW

TUNPCE

TUNPCK

tunpce@

TUNPDO

ASENBO

10

FL

11

RL

87

MUTE

XOUT

XIN

ILB

SWVDD

OELB

ILB

SWDVDD

OELB

23

21

3

5

FL—

FL+

RL—

RL+

ACC

51

95

50

97

IN3-L

42

4

40

IN4+L

43

IN4-L

44

IN2-L

41

53

72

2

71

1

82

30 29 81

FLIN

14

RLIN

12

22 4

SYSTEM µ-COM

RESET

POWER AMP

IC 601(1/2)

COM

2)

IC 203

PML009A

IC 961

S-80735ANDZI

IC 301

PAL006

RESET

VDD

Q911

Q931

SYSPW

BU

1

2

TX

RX

IPPW

TX

RX

IPPW

ELECTRONIC VOLUME/

SOURCE SELECTOR

SWVDD

BU

STBYMUTE

IC 1901

PD5627A

GRILLE µ-COM

KEY MATRIX

9

11

8

KEY DATA

OEL DATA

VCC

70

CN801

CN1901

Q803

Q804

Q802

KEYBOARD UNIT

13

X601

15

2

VDD

ACC

VST,VCK,VDT

TUN L

BUS+L

BUS—L

CD L

DPDT

3

5

DPDT

KYDT

SYS+B

BU

Q921

Q922

23

SYSPW

BU

ACC

RL+

FL+

RL-

FL-

Q301

MUTE

1

2

RL

IC 271

PA2028A

HIGH OUT

Q351

RL

1

OUT1

18

Q352

FL

5

Q353

FL

PRE OUT L

OUT3

16

OUT5

14

12

PL

7

9

11

IN1

IN3

IN5

Q801

IC 851

NJM2360M

61

EJTIN

44

7

2

10

11

14

8

7

2

10

11

14

8

CN1950

CN1951

S1950

KYDT

4

2

5

10

8

IC 1902

PD8074A

ROM

IC 1903

REMOTE

CONTROL

SENSOR

OPT IN

3

1

5

Q1901

Q1903

Q1902

Q1904

Q1905

ILMD

32

AMBER

GREEN

REM

34

33

DPDT

KTDT

EJECT

IC 1904

PD5536A

OEL

CONTROLLER

Q1908

4,16

8

B

PANEL UNIT

43

ILMPW

OEL UNIT

CN901

R

Q982

B.U

CN351

CN352-1

CN352-2

1

2

10

16

15

MUTE

RL

FL

PL

PD5619A

19A

TSOP1840SB1

14

MEH-P7300R,P7350

1

23

4

1234

D

C

B

A

3.2 BLOCK DIAGRAM(MEH-P7350/ES)

IC 101

CA0008AM

IP-BUS DRIVER

MUTE

XOUT

XIN

PEE

24

VDSEL

34

OELPW

22

40

SYSTEM µ-COM

IC 601(2/2)

CN401

VDD

VCC

ANT

1

2

BUS—

BU

BUS+

BUS+L

BUS—L

1

2

8

6

5

TX

RX

IPPW

SWVDD

BU

CN651

BU

Q852

Q991

Q999

A

TUNER AMP UNIT

14

1

SWDACC

Q851

35

DPDT

36

KYDT

SYSPW

Q101

Q102

NJ

6

EJTIN

BSO,BSI

BSRQ

BRST

BSCK

BRXEN

31,32

57

55

33

56

43

ILMPW

RESET

12

Q993

BSRQ

BSCK

PD5619A

5

8

1

7

CN101

11

BUZZER

IC 3

EEPROM

FM/AM TUNER UNIT

28

27

FM/AM 1ST IF 10.7MHz

T51 Q51 CF51

CF52 CF53

IC1

MIXER, IF AMP, DET.

6

21

18

LDET

COMP

22

25

10 14 12 15 16 8 13 2 3 4

CF202

VDD

VCC

DI/DO

CE2

CK

CE1

SDBW

SL

FMSD

NL1

NL2

IC 2 FM MPX

AMANT

FMANT

ATT

AMRF

FMRF

RF ADJ

ANT2 ADJ

X901

10.25MHz

ANT1 ADJ

LOCL

23

LOCH

AMDET

MPXREF 41kHz

AM 2ND IF

450kHz

19

CREQ

11

DGND

1

STIND

L ch

5

R ch

924

NC

FMLOCL

20177

NC

WC

26

RFGND

M

MM

LASER

DIODE

MONITOR

DIODE

FOCUS ACT.

LOADING

MOTOR

DISC SW

LOAD SW

HOME SW

CLMP SW

SPDL

MOTOR

EJCT

SW

CRG

MOTOR

TRACKING ACT.

LD+

MON

F+

T+

LO—

LO+

SO—

SO+

EJECT

DISC

LOAD

HOME

CLMP

14

19

1,2

3

10

12

11

9

10

14

13

15

17

32

34

33

XOUT

AUX2

AUX1

XIN

ESW

DISC

LSW

HOME

CSW

7

25

15

1

5

3

93

20

AOOTL

28

XRST

FEA

AUX

96

VREF

86

VDDSW

75

MUTE

95

VDSENSE

44

VDON

34

BSI

33

BSO

37

bsrq

17

brst

35

BSCK

38

BRXEN

10

reset

MDVD

VDCONT

MDVD

BDAT

BRQ

BRST

BCK

BRX

BDATA

BRXEN

MRST

21

84

10

11

9

7

6

5

4

3

1

13

10

9

7

6

5

4

3

1

13

14

19

1,2

3

E

SW1 PCB

D

MD UNIT

F

SW2 PCB

PU UNIT

CN101

IC 101

CXA2523AR

IC 401

BA5985FM

IC 201

CXD2667R

CN401

Q101

Q102

UMD2N

IC 102

NJM2115V

IC 304

TC7WH34FU

IC 301

PD5655A

IC 302, 303

TC7WT125FU

X201

11

81

82

79

83

80

13

LDCNT

43

X301

Q301

Q602

Q601

VDD

3VD

PVD

13

IC 701

BA033FP

5

11

4

3

7

9

6

8

10

PVD

2

1

MDL

16

1

2

CN301

HOLOGRAM

UNIT

RF AMP

DIGITAL

SERVO

RTRAC

5ch Pow-Driver

MD SYSTEM CONTROLLER

3V Regulator

BRST

5

11

4

3

7

9

6

8

10

2

1

16

15

MEH-P7300R,P7350

5

6

78

5

6

78

D

C

B

A

C

M

VER

12

1

bsens

asens

VDD

BU

74

73

SD

SL

TUNPCE

TUNPCK

tunpce@

TUNPDO

ASENBO

10

FL

11

RL

87

MUTE

XOUT

XIN

ILB

SWVDD

OELB

ILB

SWDVDD

OELB

23

21

3

5

FL—

FL+

RL—

RL+

ACC

50

97

IN3-L

42

IN4+L

43

IN4-L

44

IN2-L

41

72

2

71

1

82

30 29 81

FLIN

14

RLIN

12

22 4

SYSTEM µ-COM

RESET

POWER AMP

IC 601(1/2)

OM

IC 203

PML009A

IC 961

S-80735ANDZI

IC 301

PAL006

RESET

VDD

Q911

Q931

SYSPW

BU

1

2

TX

RX

PPW

TX

RX

IPPW

ELECTRONIC VOLUME/

SOURCE SELECTOR

SWVDD

BU

STBYMUTE

IC 1901

PD5627A

GRILLE µ-COM

KEY MATRIX

9

11

8

KEY DATA

OEL DATA

VCC

70

CN801

CN1901

Q803

Q804

Q802

KEYBOARD UNIT

13

X601

15

2

ACC

VST,VCK,VDT

TUN L

BUS+L

BUS—L

CD L

DPDT

3

5

DPDT

KYDT

SYS+B

BU

Q921

Q922

23

SYSPW

BU

ACC

RL+

FL+

RL-

FL-

Q301

MUTE

IC 271

PA2028A

HIGH OUT

Q351

1

OUT1

18

FL

Q353

FL

PRE OUT L

OUT5

14

12

PL

7

11

IN1

IN5

Q801

IC 851

NJM2360M

61

EJTIN

44

7

2

10

11

14

8

7

2

10

11

14

8

CN1950

CN1951

S1950

KYDT

4

2

5

10

8

IC 1902

PD8074A

ROM

IC 1903

REMOTE

CONTROL

SENSOR

OPT IN

3

1

5

REM

34

33

DPDT

KTDT

EJECT

IC 1904

PD5536A

OEL

CONTROLLER

Q1908

4,16

8

B

PANEL UNIT

43

ILMPW

PD5619A

A

TSOP1840SB1

CN901

Q982

B.U

CN351

CN352

1

2

10

16

15

MUTE

FL

PL

OEL UNIT

16

MEH-P7300R,P7350

1

23

4

1234

D

C

B

A

3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(MEH-P7300R/EW)

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS

LIST”.

A-a A-b

A-aA-a

A-b A-b

A-a A-a

Large size

SCH diagram

Guide page

Detailed page

A

A-a

BSI

BSCK

BSI

BSCK

TEL/MIC

ANTENNA

EJECT SW

VDSEL

Decimal points for resistor

and capacitor fixed values

are expressed as :

2.2 2R2

0.022 R022

←

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.

Symbol indicates a resistor.

No differentiation is made between chip resistors and

discrete resistors.

NOTE :

Symbol indicates a capacitor.

No differentiation is made between chip capacitors and

discrete capacitors.

>

PANEL UNIT

B

KEYBOARD UNIT

C

CN1901

FM/AM TUNER UNIT

R262

220

R253

220

R252

220

BSI

NR

BSCK

RIMUTE

BRXEN

PLAY

IP-BUS:+2.2dBs

FM(100%):-15.5dBs

AM(30%):-26.0dBs

B

17

MEH-P7300R,P7350

5

6

78

5

6

78

D

C

B

A

A-b

A

600µH

FRONT

REAR

PRE OUT

RR–

FR–

FL–

RL–

RR+

FR+

FL+

RL+

BACK UP

ILL

GND

B.REM

ACC

CEK1136

10A

FUSE

>

A

TUNER AMP UNIT

MD UNIT

D

CN301

FM(100%):-16.5dBs

AM(30%):-27.0dBs

IP-BUS: +2.2dBs

MD: +1.6dBs

FM(100%):+4.6dBs

AM(30%): -3.9dBs

IP-BUS:+7.3dBs

MD:+8.7dBs

FM(100%):+30.6dBs

AM(30%):+22.1dBs

IP-BUS:+33.3dBs

MD:+34.7dBs

FM(100%):+12.1dBs

AM(30%): +3.6dBs

IP-BUS:+14.8dBs

MD:+16.2dBs

MD:+1.6dBs

18

MEH-P7300R,P7350

1

23

4

1234

D

C

B

A

TEL/MIC

Decimal points for resistor

and capacitor fixed values

are expressed as :

2.2 2R2

0.022 R022

←

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.

Symbol indicates a resistor.

No differentiation is made between chip resistors and

discrete resistors.

NOTE :

Symbol indicates a capacitor.

No differentiation is made between chip capacitors and

discrete capacitors.

>

MD U

D

R253

R252

220

BSI

NR

BSCK

RIMUTE

IP-BUS:+2.2dBs

:-15.5dBs

:-26.0dBs

FM(100%):-16.5dB

AM(30%):-27.0dB

IP-BUS: +2.2dB

MD: +1.6dB

A-a

A-b

1

19

MEH-P7300R,P7350

5

6

78

5

6

78

D

C

B

A

BSI

BSCK

BSI

BSCK

ANTENNA

EJECT SW

VDSEL

PANEL UNIT

B

KEYBOARD UNIT

C

CN1901

FM/AM TUNER UNIT

R262

220

R253

220

R252

220

BSI

NR

BSCK

RIMUTE

BRXEN

PLAY

FM(100%):-15.5dBs

AM(30%):-26.0dBs

A-a

A-b

2

B

20

1

23

4

1234

D

C

B

A

FRONT

REAR

PRE OUT

A

TUNER AMP UNIT

MD UNIT

CN301

%):-16.5dBs

%):-27.0dBs

US: +2.2dBs

MD: +1.6dBs

FM(100%):+4.6dBs

AM(30%): -3.9dBs

IP-BUS:+7.3dBs

MD:+8.7dBs

FM(100%):+12.1dBs

AM(30%): +3.6dBs

IP-BUS:+14.8dBs

MD:+16.2dBs

MD:+1.6dBs

A-a

A-b

DEH-P7300R,P6300R

1

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