Pioneer KEX-M9527ZT/UC Bedienungsanleitung

LX470

AUDIO SYSTEM

HEAD UNIT

VEHICLE DESTINATION PRODUCED

AFTER TOYOTA PARTS No. ID No. PIONEER MODEL

No.

LEXUS LX470 U.S.A.,CANADA August 2002 86120-60650 P1739 KEX-M9527ZT/UC

KEX-M9527ZT-91/UC

LEXUS LX470 U.S.A.,CANADA August 2002 86120-60620 P1733 KEX-M9727ZT/UC

KEX-M9727ZT-91/UC

LEXUS LX470 AUSTRALIA August 2002 86120-60640 P2728 KEX-M9627ZT/ES

KEX-M9627ZT-91/ES

Manufactured for TOYOTA

by PIONEER CORPORATION

PUB.NO.

CRT2900

ORDER NO.

CRT2900

KEX-M9527ZT/UC

1234

Dolby noise reduction manufactured under license from Dolby Laboratories Licensing

Corporation.

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

ration.

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.

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

Supplementary model is identical to the original except for the addition of following

items

*:Non Spare part

Model No. Order No. Mech.Module Remarks

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

Description KEX-M9527ZT-91/UC KEX-M9727ZT-91/UC KEX-M9627ZT-91/ES

Part No. Part No. Part No.

Polyethylene Bag CEG1174 CEG1174 CEG1026

Cover CEG1045(

2) CEG1045(

Carton CHG4857 CHG4857 CHG4857

Contain Box CHL4857(

1/4) CHL4857(

1/4)

*Air cap CHW1947 CHW1947 CHW1947

For details, refer to "Important symbols for good services".

KEX-M9727ZT/UC (P1733)

KEX-M9527ZT/UC (P1739)

KEX-M9627ZT/ES (P2728)

KEX-M9527ZT/UC

5678

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.

[ Important symbols for good services ]

In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.

When you find the procedures bearing any of the symbols, be sure to fulfill them:

2. Adjustments

To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.

In accordance with the procedures or instructions described in this manual, adjustments should be performed.

3. Cleaning

For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,

proper cleaning should be performed to restore their performances.

5. Lubricants, glues, and replacement parts

Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying

glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the

prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed

ones should be used.

4. Shipping mode and shipping screws

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or

the shipping screws should be installed before shipping out in accordance with this manual, if necessary.

1. Product safety

You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and

should keep the safety during servicing by following the safety instructions described in this manual.

KEX-M9527ZT/UC

1234

CONTENTS

SAFETY INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2. EXPLODED VIEWS AND PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

2.1 EXTERIOR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.2 CASSETTE MECHANISM MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1 BLOCK DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.3 KEYBOARD UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3.4 CASSETTE MECHANISM MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4. PCB CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

4.1 MAIN UNIT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

4.2 KEYBOARD UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

4.3 CASSETTE MECHANISM MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

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

6. ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

6.1 TUNER/AUDIO ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

6.2 SELF-DIAGNOSIS FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

7. GENERAL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

7.1 DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

7.1.1 DISASSMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

7.1.2 CONNECTOR FUNCTION DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

7.1.3 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

7.2 IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

7.3 EXPLANATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

7.3.1 SYSTEM BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

7.3.2 OPERATIONAL FLOW CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

7.4 CLEANING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

8. OPERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

8.1 KEX-M9527ZT/UC,KEX-M9727ZT/UC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

8.2 KEX-M9627ZT/ES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

KEX-M9527ZT/UC

5678

1. SPECIFICATIONS

General

Power source . . . . . . . . . . . . .13.2V(10.5V—16.0Vallowable)

Backup current. . . . . . . . . . . . . . . . . . . . .lessthan0.3mA

Grounding system . . . . . . . . . . . . . . . . . . . . Negative type

Dimensions . . . . . . . . . . . . . . . .260(W)

70.5(H)

165(D)mm

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.16 kg

Tape player

Tape . . . . . . . . . . . . . . . Compact cassette tape (C-30 - C-90)

Tape speed . . . . . . . . 4.76 cm/sec.(+0.14 cm/sec.,-0.05 cm/sec.)

Wow & ﬂutter. . . . . . . . . . . . . . . . . .less than 0.2 %(WRMS)

Fast forward/rewind time. . . . . . . . . . less than 120 sec. for C-60

Stereo separation . . . . . . . . . . . . . . . . . . .more than 30 dB

Signal-to-noise ratio . . . . . . . . . . . . . . . . . .more than 40 dB

FM tuner

Frequency range(UC) . . . . . . . . . . . . . 87.75,87.9 - 107.9 MHz

Frequency range(ES) . . . . . . . . . . . . . . . . .87.5- 108.0 MHz

Usable sensitivity . . . . . less than14 dBµV (S/N: 30 dB)

Signal-to-noise ratio . . . . . . . . . . more than 46 dB(54dBµ input)

Distortion . . . . . . . . . . . . . . . . . . . . . . . .less than 1.5%

Degital noise. . . . . . . . . . . . less than 25 mVp-p (74 dBµ input)

AM tuner

Frequency range(UC) . . . . . . . . . . . . . . . . . 530 - 1,710 kHz

Frequency range(ES) . . . . . . . . . . . . . . . . . 531 - 1,602 kHz

Usable sensitivity . . . . . . . . . 34 dBµV(S / N : 20 dB)

Selectivity . . . . . . . . . . . . . . . . . . more than 20 dB (±9 kHz)

Signal-to-noise ratio . . . . . . . . . . more than 42 dB (74 dBµ input)

Distortion . . . . . . . . . . . . . . . . . . . . . . . .less than 1.5%

KEX-M9527ZT/UC

1234

2. EXPLODED VIEWS AND PARTS LIST

2.1 EXTERIOR

NOTES : • Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List.

• Screw adjacent to mark on the product are used for disassembly.

• For the applying amount of lobricants or glue, follow the instructions in this manual.

(In the case of no amount instructions,apply as you think it appropriate.)

KEX-M9527ZT/UC

5678

(1) EXTERIOR SECTION PARTS LIST

(2) CONTRASTTABLE

KEX-M9527ZT/UC, KEX-M9727ZT/UC and KEX-M9627ZT/ES are constructed the same except for the following:

Mark No. Description Part No.

1 Screw BMZ30P050FMC

2 Screw BSZ26P060FMC

3 Upper Case CNB2757

4 Front Frame CNC9736

5 Earth See Contrast table(2)

* 6 Cushion See Contrast table(2)

7 Insulator CNM7528

8 Main Unit See Contrast table(2)

9 Screw BMZ30P060FMC

10 Screw(M3x6) CBA1393

11 Connector(CN801) CKM1322

12 Connector(CN473) CKM1350

13 Connector(CN472) CKM1351

14 Plug(CN804) CKS3539

15 Connector(CN353) CKS3568

16 Antenna Jack(CN501) CKX1024

17 Rear Frame CNC9685

18 Holder CNC9686

19 FM/AM Tuner Unit See Contrast table(2)

20 Holder CNC8855

21 Terminal(CN802,803) VNF1084

* 22 Tape CNM8041

23 Chassis Unit CXB7972

24 Screw BPZ20P080FMC

25 Button See Contrast table(2)

26 Button See Contrast table(2)

27 Button See Contrast table(2)

28 Button See Contrast table(2)

29 Cushion CNM8057

30 Rubber CNV6977

31 Lighting Conductor CNV6979

32 Lighting Conductor CNV6981

33 Lighting Conductor CNV6983

34 Holder CNV6985

35 Holder CNV6987

36 Keyboard Unit See Contrast table(2)

37 Socket(CN901) CKS3552

38 Knob Unit CXB8269

39 Grille Unit See Contrast table(2)

40 Door See Contrast table(2)

41 Spring CBH1371

42 Button Unit CXB9538

43 Button CAC7770

44 Holder CNV7404

45 Cassette Mechanism Module EXK4290

46 Screw ISS26P055FUC

47 Transistor(Q811) 2SB1185

Mark No. Description Part No.

Mark NO Symbol and Description KEX-M9527ZT/UC KEX-M9727ZT/UC KEX-M9627ZT/ES

5 Earth CND1020 CND1020 Not used

* 6 Cushion CNM5281 CNM5281 Not used

8 Main Unit CWM8099 CWM8542 CWM8104

19 FM/AM Tuner Unit CWE1630 CWE1630 CWE1631

25 Button CAC7337(EJECT) CAC7337(EJECT) CAC7339(PROG)

26 Button CAC7338(TRAF) CAC7338(TRAF) CAC7337(EJECT)

27 Button CAC7343(SEEK,TRACK) CAC7343(SEEK,TRACK) CAC7344(CH,DISC)

28 Button CAC7345(CH,PROG,DISC) CAC7345(CH,PROG,DISC) CAC7346(SEEK,TRACK)

36 Keyboard Unit CWS1348 CWS1348 CWS1354

39 Grille Unit CXB9317 CXB8265 CXB8266

40 Door CAT2391 CAT2329 CAT2392

KEX-M9527ZT/UC

1234

2.2 CASSETTE MECHANISM MODULE

For grease application, refer to the service manual for CX-1011 (CRT2406).

KEX-M9527ZT/UC

5678

CASSETTE MECHANISM MODULE SECTION PARTS LIST

Mark No. Description Part No.

1 Screw BSZ20P040FMC

2 Washer CBF1037

3 Washer CBG1003

4 Screw EBA1028

5 Screw CBA1037

6 Spring EBH1653

7 Spring EBH1642

8 Spring EBH1641

9 Spring EBH1626

10 Spring EBH1627

11 Spring EBH1648

12 Cord EDD1024

13 Photo-reﬂector(Q101) EGN1004

14 Arm ENC1526

15 Lever EXA1610

16 Lever ENC1543

17 Arm ENC1532

18 Frame ENC1533

19 Holder ENC1547

20 Gear ENC1535

21 Arm ENC1550

22 Roller ENR1040

23 Belt ENT1027

24 Collar ENV1508

25 Arm ENV1539

26 Arm ENV1540

27 Gear ENV1569

28 Gear ENV1547

29 Gear ENR1044

30 Worm Wheel ENV1559

31 Lever ENV1551

32 Flywheel ENV1554

33 Gathering PCB ENX1073

34 Switch(S101,S102,S103) ESG1007

35 Deck Unit EWM1031

36 Plug(CN251) CKS3540

37 Gathering PCB ENX1066

38 Motor Unit(M1) EXA1618

39 Motor EXM1035

40 Head Assy(HD1) EXA1594

41 Arm ENC1537

42 Screw JGZ20P025FNI

43 Bracket ENC1559

44 Chassis Unit EXA1636

45 Pinch Holder Unit EXA1608

46 Pinch Roller ENV1518

47 Pinch Holder Unit EXA1607

48 Pinch Roller ENV1518

49 Reel Unit EXA1625

50 Head Base Unit EXA1611

51 Lever Unit EXA1587

52 Gear Unit EXA1596

53 Motor Unit(M2) EXA1623

54 Washer HBF-179

55 Spring EBH1537

56 Worm Gear ENV1564

57 Spring EBH1655

58 Lever ENC1548

59 Washer YE15FUC

60 Tube ENM1039

61 Spring EBH1645

62 Spring EBH1545

63 Sensor Unit EWM1041

Mark No. Description Part No.

KEX-M9527ZT/UC

1234

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

CN501

ANT

IC561

HA12181FP

16 3

S-80735ANDZI

IC602

RESET

VDD

Q811 Q813

Q816

ILLB

FML

CN804

5,613,14

13 15

RESET

XIN

LAMP

XOUT

SYSTEM CONTROLLER

IC601

KDT,kst

AMAIN UNIT

FM/AM TUNER UNIT

KEYBOARD UNIT

LOCH

PCE2

pck

PCE1

FMSD

31,32

PDO,PDI

IC 3

EEPROM

FM/AM 1ST IF 10.7MHz

T51 Q51 CF51 CF52 CF53

IC1

MIXER, IF AMP, DET.

COMP

25 10 14 12 15 16 8 13 2 4

CF202

VDD

VCC

DI/DO

CE2

CE1

SDBW

FMSD

NL2

IC 2 FM MPX

AMANT

FMANT

ATT

AMRF

FMRF

IMG ADJ

RF ADJ

X901

10.25MHz

ANT ADJ

LOCL

AMDET

MPXREF 41kHz

AM 2ND IF

450kHz

STIND

L ch

AMDET

AMPNS

26 RFGND

CN901

KEY MATRIX

ILLUMINATION

Q502

AUD+B

SW5V

Q405

AMPW

Q252

NL2

Q406

IC401

NJM2068M

RBDS

DECODER

TUNER MIXING

AM PNS

FML

AML

Q561

AMB

IC501

LA1061M 1

Q501

NIN

MFIX

SUB

MAIN

SUB

MAIN

UC/ML

KEH-M9527ZT/UC

KEH-M9727ZT/UC

KEH-M9627ZT/ES

UC/ML

CN251

CN252

CN253

CN255

CN256

CN254

IC251

HA12216F

TAPE EQUALIZER

MECHANISM DRIVER

IC351

PA2020A

Q271

SUB

MOTOR

MAIN

MOTOR

TAPE-L

MTL

VR302

VREF

STBY

LOAD

SWITCH

MODE

SENSE

CDECK UNIT

DSENSOR UNIT

SWITCH

70µs

CREQ

currq

SDBW

CN353

AUD+B

CSL

MS,DIR,PLAY,MTL,

NR,CSLOAD,POS,ES,

SC2,SC1,CM,STBY

NL1

LDET

IC252

PM4009A

820

ldet

RCK,RDT,rdslk,57K,drst

FWD

LcH

REV

LcH

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