Pioneer Keh-p690 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 ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

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

C PIONEER CORPORATION 1999 K-ZZS. NOV. 1999 Printed in Japan

ORDER NO.

CRT2430

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

KEH-P690 X1N/UC

Service

Manual

KEH-P690/X1N/UC

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

Model No. Order No. Mech. Module Remarks

CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly, Adjustment

KEH-P6950 X1N/ES

NOTE:

-Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.

"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

CONTENTS

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

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

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....9

4. PCB CONNECTION DIAGRAM ................................20

5. ELECTRICAL PARTS LIST ........................................30

6. ADJUSTMENT..........................................................36

7. GENERAL INFORMATION .......................................37

7.1 DIAGNOSIS ........................................................37

7.1.1 TEST MODE..............................................37

7.1.2 DISASSEMBLY .........................................40

7.2 PARTS .................................................................41

7.2.1 IC................................................................41

7.2.2 DISPLAY....................................................44

8. OPERATIONS AND SPECIFICATIONS.....................45

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KEH-P690,P6950

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

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CAUTION

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

1. SAFETY INFORMATION

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KEH-P690,P6950

1 Cord Assy CDE6119

2 Accessory Assy CEA2002

3 Spring CBH1650

4 Screw Assy CEA2003

5 Screw CBA1304

* 6 Polyethylene Bag CEG-127

7 Screw CRZ50P090FMC

8 Screw TRZ50P080FMC

* 9 Polyethylene Bag CEG-158

10 Handle CNC5395

11 Bush CNV3930

12 Polyethylene Bag See Contrast table(2)

13 Battery CEX1030

14 Carton See Contrast table(2)

15 Contain Box See Contrast table(2)

16 Protector CHP2251

17 Protector CHP2252

18-1 Owner’s Manual See Contrast table(2)

18-2 Owner’s Manual See Contrast table(2)

18-3 Installation Manual See Contrast table(2)

* 18-4 Warranty Card See Contrast table(2)

18-5 Polyethylene Bag CEG1116

19 Case Assy CXB3520

20 Remote Control Unit CXB4286

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

(1) 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.

Part No.

Mark No. Symbol and Description KEH-P690/X1N/UC KEH-P6950/X1N/ES

12 Polyethylene Bag CEG1173 CEG-162

14 Carton CHG3941 CHG3940

15 Contain Box CHL3941 CHL3940

18-1 Owner’s Manual CRD3104 CRD3101

18-2 Owner’s Manual Not used CRD3102

18-3 Installation Manual CRD3105 CRD3103

* 18-4 Warranty Card CRY1070 Not used

(2) CONTRAST TABLE

KEH-P690/X1N/UC and KEH-P6950/X1N/ES are constructed the same except for the following:

-Owner's Manual, Installation Manual

Model Part No. Language

KEH-P6950/X1N/ES CRD3101 English, Spanish, Portuguese(B)

CRD3102 Chinese, Arabic

CRD3103 English, Spanish, Portuguese(B),

Chinese, Arabic

KEH-P690/X1N/UC CRD3104 English, French

CRD3105 English, French

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KEH-P690,P6950

2.2 EXTERIOR

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KEH-P690,P6950

1 Screw BMZ30P040FZK

2 Screw BSZ26P050FMC

3 Screw BSZ30P050FMC

4 Screw BSZ30P200FMC

5 Cord Assy CDE6119

6 Fuse(10A) CEK1136

7 Cord Assy CDE6256

8 Screw ISS26P055FUC

9 Case CNB2350

10 Holder CNC6798

11 Holder CNC8357

12 Spacer CNM4913

13 Insulator CNM6530

14 Panel CNS5992

15 Cap CNV2680

16 Tuner Amp Unit See Contrast table(2)

17 Screw BPZ26P060FMC

18 Screw BSZ26P060FMC

19 Screw BSZ26P160FMC

20 Pin Jack(CN301) CKB1028

21 Terminal(CN403) CKF1059

22 Plug(CN951) CKM1231

23 Connector(CN751) CKS3408

24 Plug(CN601) CKS3537

25 Connector(CN602) CKS3568

26 Connector(CN302) CKS3599

27 Antenna Jack(CN401) CKX1056

28 Panel CNB2523

29 Holder CNC6845

30 Holder CNC7533

31 Holder CNC7996

32 Insulator CNM5967

33 Heat Sink CNR1505

34 FM/AM Tuner Unit CWE1501

35 Holder CNC7532

36 Remote Control Unit CXB4286

37 Cover CNS4948

38 Chassis Unit CXB4693

39 Button(EJECT) CAC6327

40 Door CAT2109

41 Screw(M2x2) CBA1176

42 Washer CBF1038

43 Spring CBH1838

44 Spring CBH2310

45 Spring CBH2311

46 Spring CBH2312

47 Spring CBH2313

48 Spring CBL1492

49 Holder CNC8560

50 Cushion CNM5486

51 Panel CNS5728

52 Arm CNV5991

53 Arm CNV5992

54 Arm CNV5993

55 Lever CNV5994

56 Gear CNV5995

57 Gear CNV5996

58 Gear CNV5997

59 Pin CNV6027

60 Panel PCB Unit CWM6720

61 Socket(CN605) CKS3550

62 Connector(CN604) CKS4206

63 Damper Unit CXB5070

64 Holder Unit CXB5736

65 Holder Unit CXB5737

66 Screw IMS20P045FZK

67 Detach Grille Assy See Contrast table(2)

68 Screw BPZ20P100FZK

69 Knob(EQ) CAA1525

70 Button(SOURCE) CAC6331

71 Button(OPEN) CAC6333

72 Button(FUNC,AUDIO) CAC6337

73 Button(DISP,LOUD) CAC6340

74 Button(BAND) CAC6343

75 Spring CBH2316

76 Spring CBH2320

77 Cushion CNM6542

78 Cover CNS5737

79 Holder CNV6177

80 Keyboard Unit CWM6711

81 LCD(LCD901) CAW1565

82 Connector(CN901) CKS4205

83 Holder CNC8562

84 Spacer CNM6710

85 Spacer CNM6711

86 Spacer CNM6733

87 Spacer CNM6734

88 •••••

89 Connector CNV5990

90 Lighting Conductor CNV6001

91 Grille Unit See Contrast table(2)

92 Knob Unit(VOL) CXB5350

93 IC(IC301) PAL005A

94 Transistor(Q951) 2SD2396

95 Cassette Mechanism Module EXK4015

(1) EXTERIOR SECTION PARTS LIST

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

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KEH-P690,P6950

Part No.

Mark No. Symbol and Description KEH-P690/X1N/UC KEH-P6950/X1N/ES

16 Tuner Amp Unit CWM6701 CWM6702

67 Detach Grille Assy CXB5358 CXB5357

91 Grille Unit CXB5348 CXB5347

(2) CONTRAST TABLE

KEH-P690/X1N/UC and KEH-P6950/X1N/ES are constructed the same except for the following:

2.3 CASSETTE MECHANISM MODULE

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KEH-P690,P6950

1 Screw BSZ20P040FMC

2 Washer CBF1037

3 Washer CBG1003

4 Screw EBA1028

5 Screw CBA1037

6 Spring EBH1531

7 Spring EBH1624

8 Spring EBH1625

9 Spring EBH1626

10 Spring EBH1627

11 Spring EBH1629

12 Cord EDD1024

13 Photo-reflector(EGN1) EGN1004

14 Arm ENC1526

15 Lever ENC1530

16 Lever ENC1531

17 Arm ENC1532

18 Frame ENC1533

19 Holder ENC1534

20 Gear ENC1535

21 Arm ENC1536

22 Roller ENR1040

23 Belt ENT1027

24 Collar ENV1508

25 Arm ENV1539

26 Arm ENV1540

27 Gear ENV1544

28 Gear ENV1547

29 Gear ENV1548

30 Worm Wheel ENV1550

31 Lever ENV1551

32 Flywheel ENV1554

33 Gathering PCB ENX1054

34 Switch(S1,S2,S3) ESG1007

35 Deck Unit EWM1024

36 Plug(CN251) CKS3540

37 Gathering PCB ENX1053

38 Motor Unit(M1) EXA1490

39 Motor EXM1027

40 Head Assy(HD1) EXA1589

41 Motor Unit(M2) EXA1580

42 Screw BMZ20P022FMC

43 Bracket ENC1528

44 Chassis Unit EXA1582

45 Pinch Holder Unit EXA1584

46 Pinch Roller ENV1518

47 Pinch Holder Unit EXA1583

48 Pinch Roller ENV1518

49 Reel Unit EXA1585

50 Head Base Unit EXA1586

51 Lever Unit EXA1587

52 Gear Unit EXA1588

53 Motor Unit(Service) EXX1055

54 Washer HBF-179

55 Screw CBA1250

56 Bracket ENC1542

57 Arm ENC1537

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

-CASSETTE MECHANISM MODULE SECTION PARTS LIST

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KEH-P690,P6950

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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

TUNER Lch

B.U VDD

Q952

SYSPW

VDD

AVDD

51 82 19

SYSTEM

CONTROLLER

PE5084A

IC601(1/2)

TUN-L

ELECTRONIC VOLUME

PML003AM

IC201 11

10

2

5

6

4

BUS-L1

BUS-L2

TAPE-L

RL

FL

PEE

Q205

Q201

MUTE

POWER AMP

PAL005A

IC301

11

15

MUTE STBY

FL

RL

FL+

FL-

RL+

RL-

22 4

9

7

19

17

SYSPW B.U

B.U

SYSPW

Q302

Q951 Q959 Q301

Q953

Q601

Q602

MUTE

8V

REGULATOR

RESET

IC604

S-80734AN

VCC

VDD

1

2

8

5

6

B.U

TX

RX

ASENBO

IP-BUS DRIVER

IC751

HA12187FP

BUSL+

BUSL-

BUS-

BUS+

Q751

Q752

8

1

5

11

7

86

85

47

100 33 11

1

2

92 93

16

15

65

55

64

MUTE

PEE

RESET

BSENS

ASENS

SWVDD

DPDT

KYDT

ILMPW

DSENS

ASEMBO

RIMUTE

STBY

MTL

LOADSW

X1

X2

SYSTEM

CONTROLLER

IC601(2/2)

PE5084A

X601

Q954

BSENS

ASENS ACC

FUSE

10A

B.U

STBY

B.U

MUTE

MTL

LOAD 69

44 25 95 96 46

VDD Q957

Q958

ILMPW

DSENSE

Q609

SWVDD

VDD

SW5V

ILL1

KYDT

DPDT

SW5V

VDD SWITCH

5

1

4

2

1

3

4

11

9

20

19

8

3

4

11

9

20

19

8

11

9

5

8

10

14

ATUNER AMP UNIT

EDECK UNIT

212

11 10

10 5 68

LCD DRIVER

IC901

PD6279A

DPDT

KYDT

VDD

LCDB

XO

XI

REM

IN

REMOTE CONTROL

SENSOR

IC902

RS-140

X901

53

52

50 10

4

1

60

57 58

IC251

CXA2560Q

IC351

PA2020A

EQ

MOTOR

DRIVER

CN251

CN252

CN254

CN255

CN253

7

5TAPE+B

Lch

17

18

FWD

L-ch

REV

L-ch

37

36

39

18 19

17

315 6

8710

CN256 315 6

S1

LOAD

S2

MODE

EGN1

REEL

SENSE

M

M2

SUB

MOTOR

M1

MAIN

MOTOR

5

2

1

FREEL SENSE PCB

CN602

CN751

IP-BUS

CN301

CN951

CN601

CN1901

VCK/VDT/VST

ACC

BACK UP

FL+

FL-

RL-

RL+

B.REMOTE

3

VCC

LOUT

RIMUTE

LDSW

MTL

STBY

KEY MATRIX

LCD

ANT1 TV

ANT2 TV

RF TV

IC 3

BR9010FV

AM 2ND IF 450kHz

CN401

BFM/AM TUNER UNIT

28

FM FRONT END

Q3

Q201 Q204

AM RF

FM/AM 1ST IF 10.7MHz

T51 Q51 CF51 CF52 CF53

MIXER.IF AMP DET

IC 1

PML002A

38 39 42 44 46 63

32 19

46

6

21

18

LDET

COMP

34 33 41 44 11 12 13

69

70

54

78

65

71

75746157554533

35

22

2225 10 14 12 15 16 8 13 2 3 4

CF202

VDD

LOCL

VCC

Q401

VCC VDDT

DI/DO

CE2

CK

CE1

SDBL

SL

FMSD

TUNPCE2

TUNPCK

TUNPCE

SDBW

SL

SD

PDIO

NL1

NL2

EEPROM

5

6

4

3

IC 2 PM4008A

FM MPX

25 24

NL

Q202

32

78 NL

SD

SL

SDBW

TUNPCE

TUNPCK

TUNPCE2

LOCL

31

75

22

99

97

52

49

4

S3

70µS

S601

212

11 10

38

75

CPANEL PCB UNIT

BZ601

ALARM

BUZZER

25

3

11

9

5

8

10

14

3

TUNPDI,O

94,98

ANTENNA

DKEYBOARD UNIT

27

Q952

VDD B.U

S-81250PGPD

VDDT 1

3IC951

28

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3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

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-bA-b

A-bA-b

A-aA-a

Large size

SCH diagram

Guide page

Detailed page

A

A-a

KEYBOARD U

AM:-30dBs

FM:-30dBs

TAPE:-9dBs

ANTENNA

D

E F

B

D

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KEH-P690,P6950

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A-b

C

Not used

PANEL

UNIT

PCB UNIT

TAPE:22.1dBs

AM:21.1dBs

FM:21.1dBs

CD:36.3dBs

TAPE:-8.9dBs

AM:-9.9dBs

FM:-9.9dBs

CD:5.3dBs

ELECTRONIC VOLUME

POWER AMP

ACC SENSE

ILM SENSE

BACKUP SENSE

RESET

8V REGULATOR

5V REGULATOR

A

C

A

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AM:-30dBs

FM:-30dBs

TAPE:-9dBs

ANTENNA

B

A-a

A-a A-b

1

2

3

4

5

6

8

7

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KEH-P690,P6950

5678

D

C

B

A

PAN

KEYBOARD UNIT

PCB

C

D

E F

A-a

A-a A-b

9

10

D

C

w

.

x

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y

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1

6

3

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c

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9

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8

9

4

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9

8

T

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L

1

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9

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2

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1

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9

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0

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1

5

1

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3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

14

1234

D

C

B

A

TAPE:22.1dBs

AM:21.1dBs

FM:21.1dBs

CD:36.3dBs

TAPE:-8.9dBs

AM:-9.9dBs

FM:-9.9dBs

CD:5.3dBs

ELECTRONIC VOLUME

POWER AMP

RESET

8V REGULATOR

5V REGULATOR

A

A-a A-b

A-b

1

2

3

4

5

6

8

7

KEH-P690,P6950

w

.

x

i

a

o

y

u

1

6

3

.

c

o

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3

7

6

3

1

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1

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0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

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1

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9

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9

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5

1

5

1

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TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

15

5678

D

C

B

A

Not used

PANEL

PCB UNIT

ACC SENSE

ILM SENSE

BACKUP SENSE

C

A-b

A-a A-b

9

10

KEH-P690,P6950

C

w

.

x

i

a

o

y

u

1

6

3

.

c

o

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Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

16

KEH-P690,P6950

1234

D

C

B

A

B

KV1410(23)

Mark

None

F0

F65

F125

A0

A74

A125

Band

–

FM

AM

Input Level

–

0dBf

65dBf

125dBf

0dBµ

74dBµ

125dBµ

DAN217U

3.3 FM/AM TUNER UNIT

B

A

FM/AM TUNER UNIT

w

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3

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6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

17

KEH-P690,P6950

5678

D

C

B

A

KV1410(23)

B

w

.

x

i

a

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y

u

1

6

3

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c

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m

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3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

18

KEH-P690,P6950

1234

D

C

B

A

DECK UNIT

MUTE

CXA2560Q

11

12

13

14

15

16

17

18

19

20

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

1

2

3

4

5

6

7

8

9

10

R256 220

R287

0R0

C273

22/16

R283 0R0

R284 0R0

R282 0R0

C253 330P

C254 330P

C252 330P

C251 330P

R281 0R0

R255 220

C256

R01

R258

1K

R301

18K

R273 1K

R274 1K

R271 1K

R272 1K

R290

C403

R403

C402

3900P

C401

R33

R323 0R0

R257

1K

C255

R01

C272 R1

C313 100P

R286 0R0

R285 0R0

HD1

HEAD ASSY

EXA1589

TEST TAPE

NCT-150

(400Hz, 200nWb/m)

RL

RR

FR

FL

C302

R1

C301

R1

VR302 33K(B)

-6dBs(388mV)±1dB

Fwd-R

Fwd-L

Rev-R

Rev-L

PBFB2

PBRIN2

PBGND

PBFIN2

VCT

PBREF

PBFIN1

PBGND

PBRIN1

PBFB1

PBTC1

PBOUT1

OUTREF1

TAPEIN1

VCC

LINEOUT1

TCH1

MSLPF

MSMODE

DRSW

TAPESW

MUTESW

MSOUT

MSTC

G1FB

G2FB

PBTC2

PBOUT2

OUTREF2

TAPEIN2

GND

DIREF

LINEOUT2

TCH2

MSSW

CN252

CN251

EQ AMP,

DOLBY B NR

IC251

VR301 33K(B)

C310

R1

C309

R1

R322 1K

NRSW

CCP1280

E

3.4 CASSETTE MECHANISM MODULE

E

A

CN602

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

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3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

E19

KEH-P690,P6950

5678

D

C

B

A

REEL SENSE

PCB

SWITCHES:

REEL SENSE PCB

S1:LOAD SWITCH..........EJECT-PLAY

S2:MODE SWITCH............ON-OFF

S3:70µs SWITCH...............ON-OFF

The underlined indicates the switch position.

R290 0R0

C403 R068

R403 82K

C402

3900P

C401

R33

R402 18K

R401

4R7K

R351 1K

R352 1K

R353 1K

R354 1K

R373 0R0

R355

270K

C352

3900P

R362 300

C351 R22

C353 R01

C354 R01

R374 0R0

C356 R01

C355 R1

D352 1SS355

M1 MOTOR UNIT

(MAIN MOTOR)

EXA1490

S1

LOAD

ESG1007x3

S2 MODE

REEL SENSE

EGN1

EGN1004

M2

MOTOR UNIT

(SUB MOTOR)

EXA1580

RS3

RS2

RS1

SC2

SC1

TAB

MC

CE

VCC2

NC

VCC

MCS

RRS

FRS

RSB

C

TAB

MS2

NC

MM

SM1

RSB

GND

RS

mtl

MCS

load

CN255 CN253 CN256

CN254

MECHANISM

DRIVER

IC351 PA2020A

R375 0R0

S3 70µs

F

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

20

KEH-P690,P6950

1234

D

C

B

A

CORD ASSY

DSENSE

PRE OUT(FRONT)

4. PCB CONNECTION DIAGRAM

4.1 TUNER AMP UNIT

NOTE FOR PCB DIAGRAMS

1. The parts mounted on this PCB

include all necessary parts for

several destination.

For further information for

respective destinations, be sure

to check with the schematic dia-

gram.

2. Viewpoint of PCB diagrams

A

Capacitor

Connector

P.C.Board Chip Part

SIDE A

SIDE B

TUNER AMP UNIT

w

.

x

i

a

o

y

u

1

6

3

.

c

o

m

Q

3

7

6

3

1

5

1

5

0

9

2

8

9

4

2

9

8

T

E

L

1

3

9

4

2

9

6

5

1

3

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Pioneer KEH-P690 User manual

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