Pioneer Lexus SC400 Manuale utente

ORDER NO.

CRT2222

PUB. NO. CRT2222

AUDIO SYSTEM

HEAD UNIT

Manufactured for TOYOTA

by PIONEER ELECTRONIC CORPORATION

SC400

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

LEXUS SC400 KEX-M8886ZT/UC

LEXUS SC300 KEX-M8886ZT-91/UC

August 1998 P6807 86120-24350

U.S.A.,CANADA

SC300

KEX-M8886ZT,M8886ZT-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.

-See the separate manual CX-529 (CRT1507) for the cassette mechanism description.

-The cassette mechanism employed in this model is one of 2L mechanism description.

ASL

2345

BASS

MID

PROG

SKIP

RPT

RANDOM

TRACK

FM1/2

TAPE

TREB

BAL

FADE

B•C

FASTSCAN

SEEK

TUNE

DISC

REW

SCAN

PREMIUM SOUND SYSTEM

P6807

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

Description Part No.

KEX-M8886ZT-91/UC

Polyethylene Bag CEG1026

Cover CEG2095

Carton CHA2025

Contain Box CHD2025

CONTENTS

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

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

3. SCHEMATIC DIAGRAM .............................................8

4. PCB CONNECTION DIAGRAM................................18

5. ELECTRICAL PARTS LIST ........................................29

6. ADJUSTMENT..........................................................37

7. GENERAL INFORMATION .......................................44

7.1 PARTS................................................................44

7.1.1 IC ..............................................................44

7.1.2 DISPLAY...................................................48

7.2 DIAGNOSIS.......................................................49

7.2.1 DIAGNOSIS MODE .................................49

7.2.2 DISASSEMBLY ........................................53

7.2.3 CONNECTOR FUNCTION DESCRIPTION ..54

7.3 EXPLANATION..................................................55

7.3.1 BLOCK DIAGRAM ...................................55

7.3.2 SYSTEM BLOCK DIAGRAM ...................56

8. OPERATIONS AND SPECIFICATIONS.....................57

KEX-M8886ZT,M8886ZT-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.

KEX-M8886ZT,M8886ZT-91

2. EXPLODED VIEWS AND PARTS LIST

2.1 EXTERIOR

KEX-M8886ZT,M8886ZT-91

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

-EXTERIOR SECTION PARTS LIST

1 Screw BMZ26P050FMC

2 Screw BMZ30P050FMC

3 Chassis CNA2011

4 Case CNB2262

5 Cushion CNM3138

6 Main Unit CWM5679

7 Screw BMZ30P060FMC

8 Screw CBA1339

9 Connector(CN803) CKM1087

10 Connector(CN801) CKM1222

11 Connector(CN802) CKM1238

12 Plug(CN604) CKS-291

13 Connector(CN601) CKS2826

14 Plug(CN602) CKS3534

15 Plug(CN603) CKS3542

16 86146-48030(CN551) CKX1057

17 86146-48040(CN552) CKX1058

18 Holder(CN804) CNC2218

19 Holder CNC7490

20 Holder CNC7491

* 21 Sheet CNM6076

22 FM/AM Tuner Unit CWE1523

23 Holder CNC6774

24 Chassis Unit CXB2117

25 Screw BPZ26P100FMC

26 Button(AM) CAC2303

27 Button(FM 1/2) CAC2304

28 Button(TAPE) CAC2305

29 Button(1,2) CAC2307

30 Button(3,4) CAC2308

31 Button(5,6) CAC2309

32 Button(EJECT) CAC2310

33 Button(SCAN) CAC2311

34 Button(ASL) CAC5453

35 Button(CD) CAC5460

36 Button(SEEK) CAC5462

37 Sheet CNM2362

38 Spacer CNM6047

39 Holder CNV2320

40 Holder CNV2321

41 Holder CNV2324

42 Holder CNV2325

43 Holder CNV2326

44 Lens CNV2329

45 Lens CNV2330

46 Lens CNV2333

47 Lens CNV3390

48 Lens CNV5220

49 Holder CNV5221

50 Lens CNV5502

51 Lens CNV5503

52 Keyboard Assy CWM5680

53 LCD CAW1463

54 Socket(CN902) CKS3547

55 Socket(CN903) CKS3548

56 Socket(CN901) CKS3555

57 Holder CNC6709

58 Conductor CNC7488

59 Plate CNM2530

60 Volume CCS1119

61 Holder CNV2327

62 Lens CNV2833

63 Rubber CNV5210

64 Rubber CNV5216

65 Knob CAA1237

66 Plug(CN951) CKS3535

67 Holder CNC6710

68 Lens Assy CXA4208

69 Lens CNV2332

70 Grille Unit CXB2120

71 Door CAT1934

72 Spring CBH1371

73 Cassette Mechanism ModuleEXK3240

74 Screw IMS30P040FMC

75 Transistor 2SB942

76 Screw CBA1200

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.

KEX-M8886ZT,M8886ZT-91

2.2 CASSETTE MECHANISM MODULE

KEX-M8886ZT,M8886ZT-91

1 Screw BSZ20P040FMC

2 Washer CBF1037

3 Washer CBF1038

4 Washer CBG1003

5 Deck Unit EWM1008

6 Screw(M2×5) EBA1028

7 Screw(M2×2.5) EBA1037

8 Spring EBH1531

9 Spring EBH1589

10 Cushion ENM1034

11 Spring EBH1515

12 Spring EBH1587

13 Spring EBH1517

14 Spring EBH1547

15 Spring EBH1519

16 Spring EBH1537

17 Cord EDD1015

18 Photo-reflector(EGN2, 3) EGN1004

19 Photo-Interrupter(EGN1) EGN1005

20 Roller ENR1031

21 Shaft ELA1362

22 Roller ELA1348

23 Arm ENC1416

24 Arm ENC1397

25 Guide ENC1398

26 Holder ENC1417

27 Lever ENC1449

28 Arm ENC1401

29 Roller ENR1027

30 Belt ENT1027

31 Gear ENV1347

32 Collar ENV1508

33 Gear ENV1350

34 Flywheel ENV1410

35 Worm Gear ENV1439

36 Worm Wheel ENV1440

37 Gear ENR1028

38 Lever ENV1455

39 Arm ENV1445

40 Gathering PCB ENX1029

41 Gathering PCB ENX1041

42 Switch(S1) ESG1004

43 Motor Unit(M2) EXA1485

44 Chassis Unit EXA1494

45 Pinch Roller Unit EXA1472

46 Pinch Roller Unit EXA1473

47 Reel Unit EXA1484

48 Head Base Unit EXA1434

49 Lever Unit EXA1438

50 Gear Unit EXA1436

51 Frame Unit EXA1476

52 Lever Unit EXA1425

53 Head Assy(HD1) EXA1481

54 Motor Unit(M1) EXA1497

55 Washer HBF-179

56 Screw BMZ20P022FMC

57 Resistor(R1) RD1/4HM181J

58 Washer YE20FUC

59 Connector(CN251) CKS1711

60 Connector(CN252) CKS2127

61 Connector(CN253) CKS2129

62 •••••

63 Spring EBH1545

64 Switch(S2) ESG1004

65 Roller ENR1023

66 Cover ENC1412

67 Cover ENC1413

68 Spring EBH1546

69 Washer EBE1008

70 Washer YE15FUC

71 Lever Unit EXA1424

72 Spring EBL1026

73 Screw(M2×2) CBA1250

74 Capacitor(C1) CEA4R7M35LS2

75 Bracket ENC1472

76 Inductor(L1) ETH0001

77 Cushion ENM1036

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

-CASSETTE MECHANISM MODULE SECTION PARTS LIST

KEX-M8886ZT,M8886ZT-91

1234

3. SCHEMATIC DIAGRAM

3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

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

LIST".

FM EMITTER FOLLOWER

A-a A-b

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

A-a

KEX-M8886ZT,M8886ZT-91

5678

HA12187FP

A-b

KEX-M8886ZT,M8886ZT-91

1234

FM EMITTER FOLLOWER

A-a A-b

A-a

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