Pioneer Lexus rx300 User manual

ORDER NO.

CRT2732

PUB. NO. CRT2732

AUDIO SYSTEM

HEAD UNIT

Manufactured for TOYOTA

by PIONEER CORPORATION

VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No.

LEXUS RX300 Middle Near East August 2001 86120-48140 P2727 KEX-M8017ZT/ES

LEXUS RX300 Middle Near East August 2001 86120-48140 P2727 KEX-M8017ZT-91/ES

RX300

Service

Manual

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2

KEX-M8017ZT,M8017ZT-91

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

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

-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.

-KEX-M8017ZT/ES have adopted AVC-LAN.

KEX-M8017ZT/ES

CONTENTS

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

2. EXPLODED VIEWS AND PARTS LIST.......................4

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....8

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

5. ELECTRICAL PARTS LIST ........................................28

6. ADJUSTMENT..........................................................34

7. GENERAL INFORMATION .......................................38

7.1 DIAGNOSIS.......................................................38

7.1.1 CONNECTOR FUNCTION DESCRIPTION ..38

7.1.2 TROUBLESHOOTING................................39

7.2 IC........................................................................40

7.3 EXPLANATION..................................................43

7.3.1 SYSTEM BLOCK DIAGRAM ...................43

7.3.2 OPERATION FLOW CHART.....................44

8. SPECIFICATIONS......................................................45

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

Description Part No.

KEX-M8017ZT-91/ES

Polyethylene Bag CEG-162

Cover CEG1045

Carton CHA1721

Contain Box CHL3223

ID No.P2727

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

Model Order No. Mech. Module Remarks

CX-631 CRT1640 2L Cassette Mech. Module:Mech.Description, Disassembly

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KEX-M8017ZT,M8017ZT-91

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.

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KEX-M8017ZT,M8017ZT-91

2. EXPLODED VIEWS AND PARTS LIST

2.1 EXTERIOR

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KEX-M8017ZT,M8017ZT-91

-EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.

1 Screw BMZ26P050FMC

2 Screw BMZ30P050FMC

3 Cover(KEX-M8017ZT/ES) CHW1830

4 Case CNB2621

5 Cloth CNM5798

6 Insulator CNM6654

7 Cushion CNM6934

8 Main Unit CWM7852

9 Screw BMZ30P080FMC

10 Screw BPZ30P060FSN

11 Terminal(CN202) CKF1059

12 Terminal(CN303) CKF1059

13 Connector(CN302) CKM1065

14 Connector(CN301) CKM1322

15 Connector(CN701) CKS3568

16 Antenna Jack(CN201) CKX1041

17 Holder CNC8711

18 Holder CNC8712

19 FM/AM Tuner Unit CWE1544

20 Holder CNC6122

21 Chassis Unit CXB5302

22 Cassette Mechanism ModuleEXK3885

23 Screw IMS26P050FMC

24 Transistor(Q331) 2SB1185

25 Transistor(Q521) 2SB1185

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.

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KEX-M8017ZT,M8017ZT-91

2.2 CASSETTE MECHANISM MODULE

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KEX-M8017ZT,M8017ZT-91

1 Screw BSZ20P040FMC

2 Washer CBF1037

3 Washer CBF1038

4 Washer CBG1003

5 Deck Unit EWM1027

6 Screw(M2x5) EBA1028

7 Screw(M2x2.5) EBA1037

8 Spring EBH1531

9 Spring EBH1589

10 Connector(CN251) CKS3540

11 Spring EBH1515

12 Spring EBH1587

13 Spring EBH1517

14 Spring EBH1518

15 Spring EBH1519

16 Spring EBH1537

17 Cord EDD1027

18 Photo-interrupter(EGN2,3) EGN1006

19 Photo-interrupter(EGN1) EGN1005

20 Roller ENR1031

21 Shaft ELA1362

22 Roller ELA1348

23 Arm ENC1490

24 Arm ENC1397

25 Guide ENC1519

26 Holder ENC1516

27 Lever ENC1448

28 Arm ENC1488

29 Roller ENR1023

30 Belt ENT1027

31 Gear ENV1347

32 Collar ENV1508

33 Gear ENV1350

34 Flywheel ENV1500

35 Worm Gear ENV1439

36 Worm Wheel ENV1440

37 Gear ENR1037

38 Lever ENV1533

39 Arm ENV1525

40 PCB ENP1151

41 PCB ENP1182

42 Switch(S1)(S2) ESG1004

43 Motor Unit(M2)(SUB) EXA1382

44 Chassis Unit EXA1559

45 Tube ENM1039

46 Roller ENR1027

47 Reel Unit EXA1560

48 Head Base Unit EXA1434

49 Lever Unit EXA1578

50 Gear Unit EXA1545

51 Frame Unit EXA1476

52 Lever Unit EXA1439

53 Head Assy(HD1) EXA1594

54 Motor Unit(M1)(MAIN) EXA1499

55 Washer HBF-179

56 Screw JGZ20P025FNI

57 Spring EBH1545

58 Washer YE20FUC

59 Pinch Roller Unit EXA1533

60 Pinch Roller Unit EXA1532

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

-CASSETTE MECHANISM MODULE SECTION PARTS LIST

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KEX-M8017ZT,M8017ZT-91

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1234

Q3

L2 D5 L4 D7

25

26

Q201

AM RF

AM

OSC

FM

OSC

D231

CF52

CF51

T31 Q31

CF232

CF230

23 25

PA4026A

IC1

CF53 L52

PA4024A

IC2

AM

CN201

ANT

FMTV

AMTV

VCO

AMIFC

FMB

AMB

TUNB

19 20 17 15 2114 13 62

IC201 PM2006A

PLL

XIN

XOUT

PDI

PCK

PDO

PCE

29

25 95

4

CN251

CN252

CN253

IC251

HA12216F

TAPE EQUALIZER

MECHANISM DRIVER

IC351

PA2020A

Q271

B.U

BU

M

SUB

MOTOR

M

MAIN

MOTOR

10

+B

TAPE-L

MTL

VR301

VREF

6

22

14

17

2

51

53

17

7

18

19

5

2

NR

Q351

Q352

1

9

8

STBY

LOAD

SWITCH

MODE

SENSE

FWD

SENSE

REV

SENSE

1

4

5

4

3

20

FWD

LcH

REV

LcH

23

8

1

64

23

8

1

64

41 910

34

638 36 32

14 15 17 19

30

31

28

47 12

19

40 7 43

Lch

FMSL

AMSL

AMIF

ST

COMP

FMSD

S-80736AN-D0

IC703

2

1

RESET

VDD

AM-L

M

FM-L

AM-L

BU

CN701

4

3

20

13 15

12

RESET

Q706 88 TAPEMUTE

AUD+B

TAPE-L

SL

XIN

XOUT

S

PDI

PCK

PDO

PCE

ST

SD

38 37

AMAIN UNIT

FM/AM TUNER UNIT

B

CDECK UNIT

DPCB UNIT

E

REEL PCB

7

9

18

10

3

SWITCH

70µs

Q231 Q205

Q206

Q204

28

27

MW/sw

sw!/SW2 sw!/SW2

2

sw!/SW2

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

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KEX-M8017ZT,M8017ZT-91

5678

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5678

BU

Q323

5V

REGULATOR

VDD5V

VDD

Q332

Q331

AUD+B

TUNB

BU

8V

REGULATOR

Q608

VDD SWITCH

VDD

SYSPW

Q337-1

Q336

Q337-2

Q335

Q302

ASEN

Q301

BSEN BU

Q359

Q360 Q358

TUNB

AUD+B

TC74HC4066AF

IC781

ANALOG

SWITCH

NJM2068MD

IC703

NJM2068MD

IC702

Q709

Q603

Q607

UNBAL BAL

NJM2068MD

MIX AMP

IC701

10

8

L+

L-

11

9

6,12

ANSW

Q205

Q703

MUTE

Q705

MUTE

Q701

AM-L

TUNER-L 212

1

2

1

Q354

Q351

AMB

FMB

BU

ANT

TAPE-L

AMMT

FMMT

AMMT

FMMT

37 38

XIN

SYSTEM CONTROLLER

IC601

PDI

PCK

PDO

PCE

SL

SD

95 90

ST

89

AMPW

AMPW 44

FMPW 43 AUD+B

73

75

ASEN

BSEN

HA12187FP

IC681

AVC LAN 6

5

TX+

TX-

50

SYSMUTE

IPPW

8

1

2

TX

RX

MUTESENS

RX

TX

IPPW

ANSW

22

30

29

1

100

CN301

CN302

BU

ACC

48

AANT

47

BANT

MUTE

+B

ACC

FMPW

AMB

FMB

Q335

Q336

PD5712A

52

SYSPW

2827

MW/sw

sw!/SW2

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KEX-M8017ZT,M8017ZT-91

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D

1234

3.2 MAIN UNIT(GUIDE PAGE)

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

LIST”.

A

BFM/AM TUNER UNIT

AMAIN UNIT

CDECK UNIT

4R7/10

AM

FM

AM

FM AM

FM

AM

FM AM

FM

AM

FM

AM

FM AM

FM

AM AM

AM

AM AM

AM FM AM FM

FM FM FM

AM AM AM

SYSTEM

CONTROLLER

UNBALANCE

CONVERTER

SYSTEM MUTE

MIX AMP

TAPE MUTE

TUNER MUTE

PLL

FM:-26dBs(400Hz,30%)

AM:-16dBs(400Hz,30%)

TAPE:- 8dBs

ANTENNA JACK

A-a

A-aA-a A-bA-b

A-bA-b

A-aA-a

Large size

SCH diagram

Guide page

Detailed page

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KEX-M8017ZT,M8017ZT-91

5678

A

B

C

D

5678

A

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.

>

R

AVC LAN

MUTE

5V REGULATOR

AUDIO 8V REGULATOR

RESET

ANALOG SWITCH

AUDIO 4V

TO BALANCE

FM:-18dBs

AM:-18dBs

TAPE:-4dBs

FM:-13dBs

AM:-13dBs

TAPE:+1dBs

A-b

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KEX-M8017ZT,M8017ZT-91

A

1234

B

C

D

1234

A-a

A-a A-b

BFM/AM TUNER UNIT

AMAIN UNIT

4R7/10

AM

FM

AM

FM AM

FM

AM

FM AM

FM

AM

FM

AM

FM

AM

PLL

FM:-26dBs(400Hz,30%)

AM:-16dBs(400Hz,30%)

ANTENNA JACK

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9

8

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KEX-M8017ZT,M8017ZT-91

5678

A

B

C

D

5678

A-a

A-a A-b

CDECK UNIT

AM

FM

AM AM

AM

AM AM

AM FM AM FM

FM FM FM

AM AM AM

SYSTEM

CONTROLLER

UNBALANCE TO BALA

CONVERTER

SYSTEM MUTE

MIX AMP

TAPE MUTE

TUNER MUTE

TAPE:- 8dBs

5

2

6

7

3

4

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8

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KEX-M8017ZT,M8017ZT-91

A

1234

B

C

D

1234

A-a A-b

A-b

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.

AVC LAN

MUTE

1

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6

3

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6

3

1

5

1

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0

9

2

8

9

4

2

9

8

T

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3

9

4

2

9

6

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9

2

8

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KEX-M8017ZT,M8017ZT-91

5678

A

B

C

D

5678

A-b

A-a A-b

>

R

5V REGULATOR

AUDIO 8V REGULATOR

RESET

ANALOG SWITCH

AUDIO 4V

E TO BALANCE

R

FM:-18dBs

AM:-18dBs

TAPE:-4dBs

FM:-13dBs

AM:-13dBs

TAPE:+1dBs

5

2

6

7

3

4

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1

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0

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2

8

9

4

2

9

8

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4

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KEX-M8017ZT,M8017ZT-91

A

1234

B

C

D

1234

3.3 FM/AM TUNER UNIT

B

KV1410-F1

A

FM/AM TUNER UNIT

B

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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

KEX-M8017ZT,M8017ZT-91

5678

A

B

C

D

5678

B

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

18

KEX-M8017ZT,M8017ZT-91

A

1234

B

C

D

1234

3.4 CASSETTE MECHANISM MODULE

C

DECK UNIT

B/C

HA12216F

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

180

R291

0R0

C271

1/50

R283 0R0

R284 0R0

R282 0R0

C253 390P

C254 390P

C252 390P

C251 390P

R281 0R0

R255

180

C256

R01

R258

18K

R402

3R3K

R403 910

R275

47K

R293

0R0

C272 R1

R285 0R0

HD1

HEAD ASSY

EXA1594

TEST TAPE

NCT-150

(400Hz, 200nWb/m)

RL

RR

FR

FL

C302

R1

VR302

33K(B)

-8.24dBs(300mV)±1dB

Fwd-R

Fwd-L

Rev-R

Rev-L

NFI(L)

RIN(L)

RIP

FIN(L)

GND

FIN(R)

VREF

RIN(R)

NFI(R)

M-OUT(R)

EQOUT(R)

TAI(R)

BIAS

RAI(R)

PBOUT(R)

DET(L)

MUTE

MSGV(R)

MAOUT

MSI

MSDET

MSGV

F/R

120/70

NR

MOUT(L)

EQOUT(L)

TAI(L)

NC

RAI(L)

PBOUT(L)

NC

DET(L)

MSGV(S)

CN252

CN251

DOLBY B NR

IC251

VR301

33K(B)

C310

R1

C309

R1

R321

0R0

VCC

CCP1280

NC

MSOUT

NC

R260

13K

R262

270K

C401

4700P

R401

12K

R276

100K

C402

R33

C404 R01

C403

R022

R288

0R0

R274

0R0

R289

0R0

R273

0R0

R272

0R0

R404

270K

C405 R033

R

2

R278 100K

Q271

2SC4116

R292

0R0

R271

18K

C301

R1

R294

0R0

R259

13K

C255

R01

R257

18K

R261

270K

C

ACN701

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

19

KEX-M8017ZT,M8017ZT-91

5678

A

B

C

D

5678

E

D

C

SWITCHES:

PCB UNIT

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

S2:70µs SWITCH...............ON-OFF

The underlined indicates the switch position.

R275

47K

R351 1K

R352 1K

R353 1K

R354 1K

R373 0R0

R355

270K

C352

3900P

R362

180

C351 R22

C354 R01

R374 0R0

C355 R1

D351

1SS355

M1 MOTOR UNIT

(MAIN MOTOR)

EXA1499

M2

MOTOR UNIT

(SUB MOTOR)

EXA1382

RS3

RS2

RS1

SC2

SC1

TAB

MC

CE

VCC2

NC

VCC

MCS

RRS

FRS

RSB

C

TAB

MS2

NC

MM

SM1

RRS

GND

FRS

mtl

RSB

load

CN253

CN254

MECHANISM

DRIVER

IC351 PA2020A

R375 0R0

R404

270K

C405 R033

R277

220K

R278 100K

116

PCB UNIT

REEL PCB

S1 LOAD

ESG1004 S2

ESG1004

70µs

MODE

SENSE

EGN1

EGN1005

EGN2

EGN1006

FWD END

SENSE

EGN3

EGN1006

REV END

SENSE

7

8

NM

MCS

R357

4R7K

R358

10K

C353

R01

R359

10K

C356 R01

R360

1K

R361

6R2K

R356

2K

Q351

2SB1260

Q352

2SC4102

RES

NES

8

L1

D

E

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

KEX-M8017ZT,M8017ZT-91

A

1234

B

C

D

1234

MAIN UNIT

4. PCB CONNECTION DIAGRAM

4.1 MAIN 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

diagram.

2. Viewpoint of PCB diagrams

Capacitor

Connector

P.C.Board Chip Part

SIDE A

SIDE B

A

B

ANTENNA

JACK

1

2

A

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 Lexus RX300 User manual

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