Pioneer KEH-P490 Bedienungsanleitung

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-ZZB. DEC. 1999 Printed in Japan

ORDER NO.

CRT2404

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

KEH-P490 X1N/UC

Service

Manual

KEH-P4900 X1N/UC

KEH-P4950 X1N/ES

-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 : Mechanism Description

Disassembly ,Adjustment

KEH-P490/X1M/UC CRT2398

KEH-P4900/X1M/UC CRT2398

KEH-P4950/X1M/ES CRT2398

KEH-P490,P4900,P4950

EXPLODED VIEWS AND PARTS LIST

PACKING (Page 2)

-PACKING SECTION PARTS LIST

Part No.

Mark No. Description KEH-P490/X1M/UC KEH-P490/X1N/UC

12 Carton CHG3893 CHG3905

13 Contain Box CHL3893 CHL3905

14 Protector CHP2244 CHP2252

15 Protector CHP2243 CHP2251

Part No.

Mark No. Description KEH-P4900/X1M/UC KEH-P4900/X1N/UC

12 Carton CHG3889 CHG3902

13 Contain Box CHL3889 CHL3902

14 Protector CHP2244 CHP2252

15 Protector CHP2243 CHP2251

Part No.

Mark No. Description KEH-P4950/X1M/ES KEH-P4950/X1N/ES

12 Carton CHG3890 CHG3903

13 Contain Box CHL3890 CHL3903

14 Protector CHP2244 CHP2252

15 Protector CHP2243 CHP2251

EXTERIOR (Page 4)

-EXTERIOR SECTION PARTS LIST

Part No.

KEH-P490/X1M/UC KEH-P490/X1N/UC

KEH-P4900/X1M/UC KEH-P4900/X1N/UC

Mark No. Description KEH-P4950/X1M/ES KEH-P4950/X1N/ES

29 Holder Unit CXB2687 CNC6798(Holder)

68 Cassette Mechanism Module EXK4000 EXK4005

KEH-P490,P4900,P4950

1234

IC,Q

IC251

Q351

Q352

ADJ

VR302

VR301

IC253

CN252

CN254

CN253

CN255

HEAD ASSY

CN256

70µs SW

LOAD SW

MODE SW

CN256

EGN1

REEL SENSE

PCB CONNECTION DIAGRAM

CASSETTE MECHANISM MODULE

DACN602

DCN253

DECK UNIT

DDECK UNIT

EREEL SENSE UNIT

SIDE A

SIDE B

KEH-P490,P4900,P4950

1234

DECK UNIT

MUTE

CXA2559Q

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

R301

18K

R273 1K

R274 1K

R271 1K

R272 1K

R290 0R

C403 R0

R403 82

C402

3900P

C401

R33

R402

R401

4R7K

R323 0R0

R257

C255

R01

C272 R1

C313 100P

R286 0R0

R285 0R0

HD1

HEAD ASSY

EXA1592

TEST TAPE

NCT-150

(400Hz, 200nWb/m)

C302

C301

R304

R302

16K

R305

16K

R303

16K

-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

IC251

KEH-P490,P4900,P4950

5678

REEL SENSE

PCB

SWITCHES:

REEL SENSE PCB

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

S2:MODE 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)

EXA1491

S1 LOAD

ESG1007

MODE

REEL SENSE

EGN1

EGN1004

MOTOR UNIT

(SUB MOTOR)

EXA1580

RS3

RS2

RS1

SC2

SC1

TAB

VCC2

VCC

MCS

RRS

FRS

RSB

TAB

MS2

SM1

RSB

GND

mtl

MCS

load

CN255

CN253 CN256

CN254

MECHANISM

DRIVER

IC351 PA2020A

KEH-P490,P4900,P4950

CASSETTE MECHANISM MODULE

KEH-P490,P4900,P4950

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 EBH1628

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) ESG1007

35 Deck Unit EWM1023

36 Plug(CN251) CKS3540

37 Gathering PCB ENX1053

38 Motor Unit(M1) EXA1491

39 Motor EXM1028

40 Head Assy(HD1) EXA1592

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

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

-CASSETTE MECHANISM MODULE SECTION PARTS LIST

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-ZZB. OCT. 1999 Printed in Japan

ORDER NO.

CRT2398

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

KEH-P490 X1M/UC

Service

Manual

CONTENTS

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

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

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

4. PCB CONNECTION DIAGRAM ................................24

5. ELECTRICAL PARTS LIST ........................................33

6. ADJUSTMENT..........................................................40

7. GENERAL INFORMATION .......................................42

7.1 DISASSEMBLY ...................................................42

7.2 PARTS .................................................................43

7.2.1 IC.................................................................43

7.2.2 DISPLAY .....................................................47

8. OPERATIONS AND SPECIFICATIONS.....................48

KEH-P490/X1M/UC

KEH-P4950 X1M/ES

KEH-P4900 X1M/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 and Greasing, Disassembly, Adjustment

- This service manual does not describe the CD test mode.

For the operations in the CD test mode, refer to the CD player's Service manual.

KEH-P490,P4900,P4950

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

1. SAFETY INFORMATION

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

KEH-P490,P4900,P4950

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

KEH-P490/X1M/UC CRD3090 English, French

CRD3091 English, French

KEH-P4900/X1M/UC CRD3088 English, French, Spanish

CRD3089 English, French, Spanish

KEH-P4950/X1M/ES CRD3083 English, Spanish, Portuguese(B)

CRD3084 Chinese, Arabic

CRD3085 English, Spanish, Portuguese(B), Chinese, Arabic

-PACKING SECTION PARTS LIST

Part No.

Mark No. Description KEH-P490/X1M/UC KEH-P4900/X1M/UC KEH-P4950/X1M/ES

* 1 Accessory Assy CEA2350 CEA2350 CEA2350

2 Spring CBH1650 CBH1650 CBH1650

3 Screw Assy CEA2351 CEA2351 CEA2351

4 Screw CBA1304 CBA1304 CBA1304

* 5 Polyethylene Bag CEG-127 CEG-127 CEG-127

6 Screw CRZ50P090FMC CRZ50P090FMC CRZ50P090FMC

7 Screw TRZ50P080FMC TRZ50P080FMC TRZ50P080FMC

* 8 Polyethylene Bag CEG-158 CEG-158 CEG-158

9 Handle CNC5395 CNC5395 CNC5395

10 Bush CNV3930 CNV3930 CNV3930

11 Polyethylene Bag CEG1173 CEG1173 CEG-162

12 Carton CHG3893 CHG3889 CHG3890

13 Contain Box CHL3893 CHL3889 CHL3890

14 Protector CHP2244 CHP2244 CHP2244

15 Protector CHP2243 CHP2243 CHP2243

16-1 Owner’s Manual CRD3090 CRD3088 CRD3083

16-2 Owner’s Manual Not used Not used CRD3084

16-3 Installation Manual CRD3091 CRD3089 CRD3085

* 16-4 Warranty Card CRY1070 CRY1070 Not used

* 16-5 Card Not used ARY1048 Not used

17 Cord assy CDE6222 CDE6222 CDE6222

18 Case assy CXB3520 CXB3520 CXB3520

19 Battery CEX1030 Not used Not used

20 Remote Control Unit CXB4284 Not used Not used

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