PIONEER RX330 Service Manual

ORDER NO.

CRT3000

PUB. NO. CRT3000

AUDIO SYSTEM

HEAD UNIT

Manufactured for TOYOTA

by PIONEER CORPORATION

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

LEXUS RX330 U.S.A., CANADA February 2003 86120-48170 P6828 FX-M8427ZT/UC

LEXUS RX330 U.S.A., CANADA February 2003 86120-48310 P6828 FX-M8427ZT-91/UC

RX330

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

FX-M8472ZT/UC(P6828)

Model No. Order No. Mech. Module Remarks

CX-977 CRT2624 S9 CD Mech. Module:Circuit Description, Mech.Description, Disassembly

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

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

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

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

- CD section precaution

1. Before disassembling the unit, be sure to turn off the

power. Unplugging and plugging the connectors dur-

ing power-on mode may damage the ICs inside the

unit.

2. To protect the pickup unit from electrostatic dis-

charge during servicing, take an appropriate treat-

ment (shorting-solder) by referring to “the DISAS-

SEMBLY” on page 69.

3. After replacing the pickup unit, be sure to check the

grating. (See p.59.)

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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[ 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.

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1. SPECIFICATIONS

General

Power source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13.2V(10.5V-16.0V allowable) DC

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

Backup current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3mA or less

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .319(W) x144(H) x174(D)mm

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.3kg

Cassette player

Tape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Compact cassette tape(C30-C90)

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

Wow and flutter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.2% or less(WRMS)

Crosstalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40dB or less

Stereo Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30dB or more

S/N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40dB or more

Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3% or less

CD player

System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Compact disc audio system

Usable discs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Compact disc

Signal format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Sampling frequency : 44.1kHz

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Number of quantization : 16; linear

S/N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65dB or more

Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3% or less

FM tuner

Frequency range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87.75, 87.9−107.9 MHz

S/N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46dB or more(54dBµ input)

Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5% or less

IF interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80dB or more

Image interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35dB or more

Stereo Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25dB or more(1kHz)

AM tuner

Frequency range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .530-1,710 kHz

S/N 20dB usable sensibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34dBµ or less

S/N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42dB or more

Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5% or less

IF interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55dB or more

Image interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45dB or more

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2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING(FX-M8427ZT-91/UC)

* 1 Air Cap CHW1945 * 2 Air Cap CHW1948

3 Cover CEG1045 4 Polyethylene Bag CEG1174 5 Carton CHG4861

6 Contain Box CHL4861

Mark No. Description Part No.

- PACKING(FX-M8427ZT-91/UC) 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.

- For the applying amount of lubricants or glue, follow the instructions in this manual.

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

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2.2 EXTERIOR

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

- EXTERIOR SECTION PARTS LIST

1

Cassette Mechanism Module

EXK4295 2 Screw BSZ26P060FTC 3 Screw BSZ30P060FTC 4 Connector CDE7248 5 Connector CDE7260

6

CD Mechanism Module(S9T)

CXK5521 7 Chassis CNA2466 8 Case CNB2880 9 Holder CND1792

10 Frame CND1789

11 Chassis Unit CXC1820 12 Screw ISS26P060FTC 13 90467-10203 CNV5641 14 Guide CNV7306 15 Main Unit CWM8384

16 Screw BMZ30P060FTC 17 Screw(M3x6) CBA1393 18 Connector(CN801) CKM1322 19 Connector(CN473) CKM1350 20 Connector(CN472) CKM1351

21 Connector(CN353) CKS3568 22 Connector(CN351) CKS3835 23 Connector(CN804) CKS4361 24 Connector(CN501) CKX1064 25 Holder CNC9591

26 Holder CND1588 27 FM/AM Tuner Unit CWE1630 28 Holder CNC8855 29 Terminal(CN802,CN803) VNF1084 30 Transistor(Q809,811,812) 2SB1185

31 Screw BPZ20P080FTC 32 Keyboard Unit CWS1364 33 LCD CAW1722 34 Connector(CN901) CKS4361 35 Connector(CN904) CKS4591

36 Connector(CN905) CKS4591 37 Connector(CN902) CKS4592 38 Connector(CN903) CKS4592 39 Holder CND1788 40 Sheet CNM7958

41 Seal CNM7970 42 Seal CNM7971 43 Seal CNM8261 44 Connector CNV7249 45 Lighting Conductor CNV7250

46 Rubber CNV7323 47 Rubber CNV7324 48 Rubber CNV7325 49 Screw IMS26P060FTC 50 Sheet CNM8435

51 Button(1) CAC7599 52 Button(2) CAC7600 53 Button(3) CAC7601 54 Button(4) CAC7602 55 Button(5) CAC7603

56 Button(6) CAC7604 57 Button(AM) CAC7605 58 Button(FM) CAC7606 59 Button(TAPE) CAC7607 60 Button(DISC) CAC7608

61 Button(TAPE EJECT) CAC7609 62 Button(TEXT) CAC7610 63 Button(SEEK,TRACK) CAC7611 64 Button(RDS,TRAF) CAC7612 65 Button(CD EJECT) CAC7613

66 Button(TYPE) CAC7615 67 Button(SCAN) CAC7616 68 Button(MUTE) CAC7637 69 Door CAT2351 70 Spring CBH2663

71 Lighting Conductor CNV7251 72 Lighting Conductor CNV7252 73 Lighting Conductor CNV7253 74 Holder CNV7256 75 Holder CNV7257

76 Holder CNV7258 77 Holder CNV7259 78 Holder CNV7260 79 Holder CNV7261 80 Holder CNV7316

81 Holder CNV7317 82 Lighting Conductor CNV7319 83 Lighting Conductor CNV7320 84 Lighting Conductor CNV7321 85 Lighting Conductor CNV7330

86 Lighting Conductor CNV7467 87 Lighting Conductor CNV7469 88 Holder CNV7472 89 Holder Unit CXB8886 90 Grille Unit CXB9134

91 Knob Unit CXB9458 92 Screw BMZ50P080FTC

(FX-M8427ZT/UC)

93 86211-48030-A CND1247

(FX-M8427ZT/UC)

94 Screw IMS26P060FTC 95 86212-48030-A CND1248

(FX-M8427ZT/UC) 96 Grille Assy CXC2064 97 Screw BPZ20P080FTC

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C

GEM1035

UD321BR

2.3 CD MECHANISM MODULE

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

1 Control Unit CWX2608 2 Connector(CN701) CKS1959 3 Connector(CN101) CKS3486 4 Screw BMZ20P025FMC 5 Screw BSZ20P040FMC

6 Screw(M2x4) CBA1362 7 Screw(M2x3) CBA1527 8 Screw CBA1545 9 Washer CBF1037

10 Washer CBF1038

11 Washer CBF1039 12 Washer CBF1060 13 Spring CBH2378 14 Spring CBH2379 15 Spring CBH2514

16 Spring CBH2533 17 Spring CBH2382 18 Spring CBH2383 19 Spring CBH2384 20 Spring CBH2527

21 Spring CBH2386 22 Spring CBH2537 23 Spring CBH2390 24 Spring CBH2391 25 Spring CBH2523

26 Spring CBH2426 27 Spring CBH2444 28 Spring CBL1561 29 Spring CBL1553 30 Shaft CLA3845

31 Roller CLA3910 32 Frame CNC9654 33 Lever CNC9664 34 Lever CNC8949 35 Arm CNC9661

36 Arm CNC9016 37 Arm CNC9017 38 Bracket CNC9123 39 Frame CNC8947 40 Belt CNT1086

41 Gear CNV6886 42 Gear CNV6316 43 Gear CNV6317 44 Gear CNV6318 45 Gear CNV6319

46 Gear CNV6320 47 Arm CNV6322 48 Arm CNV6323 49 Arm CNV6324 50 Arm CNV6888

51 Arm CNV6889 52 Guide CNV6327 53 Arm CNV6924 54 Guide CNV6921 55 Rack CNV6923

56 Clamper CNV6331 57 Arm CNV6332 58 Guide CNV6333 59 Cover CNV6334 60 Arm CNV6335

61 Guide CNV6336 62 Roller CNV6338 63 Damper CNV6175 64 Damper CNV6662 65 Guide CNV6925

66 Chassis Unit CXB7980

* 67 Arm Unit CXB7983

68 Arm Unit CXB7984 69 Arm Unit CXB7985 70 Motor Unit(M2) CXB8284

71 Screw Unit CXB5904 72 Gear Unit CXB8076 73 Bracket Unit CXB7982 74 Motor Unit(M1) CXB6007 75 Arm Unit CXB8504

76 Screw(M2x5) EBA1028 77 Screw JFZ20P020FMC 78 Screw JGZ17P020FZK 79 Washer YE15FUC 80 Washer YE20FUC

81 Pickup Unit(Service)(P9) CXX1482 82 Screw IMS26P030FMC 83 Guide CNV6922 84 Roller CNV6887 85 Spring CBH2509

86 Spring CBH2512 87 Spring CBH2536 88 Collar CNV6906

- CD MECHANISM MODULE SECTION PARTS LIST

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2.4 CASSETTE MECHANISM MODULE

D

E

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

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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 Unit 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 EWM1043

36 Plug(CN251) CKS3540 37 Gathering PCB ENX1076 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. Mark No. Description Part No.

- CASSETTE MECHANISM MODULE SECTION PARTS LIST

14

FM/AM TUNER UNIT

C

CN701

Q101

CONTROL UNIT

M

LASER DIODE

MONITOR

DIODE

CLAMP SENSE

DISC

SENSE

FOCUS ACT.

SPINDLE

MOTOR

M

LOADING

/CARRIAGE

MOTOR

TRACKING ACT.

LDMD

FO+ TO+

15

5

4

1

PU UNIT SERVICE(P9)

HOLOGRAM

UNIT

IC 401

BA5996FM

IC 201

TC9495FP

IC 701

BA05SFP

5V REGULATOR

SERVO

CONTROL,

DSP,

LPF, DAC

ACT

/MOTOR DRIVER

DSCSNS

VD

VDD

CONT

LOEJ

L-OUT

CD5VON

CN101

TOP

FOP

16

SOP

15

SOM

17

LCOP

18

LCOM

22

1

2

LOEJ

78

85

LO

79

9

MUTE

12

FOP

TD/FD

AC,BD

F,E

SD/MD

38

RFI

43

FEI

4

14

TOP

S901

HOME

12EJ

SENSE

8EJ

SENSE

HOME

LD+

14

VDD

9

LDO

8

MDI

IC 101

TA2153FN

RFRPIN

FEO TEO

24 16 14

46

TEI

RF-AMP

E

17

2

11

10

14

1

16

CD

CN501

SUB ANTENNA

14

AUDIO+B

SWVDD

MAIN ANTENNA

IC 501

LA1061M

5

6

Q501

DIVERSITY

COMP

IC561

HA12181FP

AM NOISE CANCELER

CN351

SUB

MAIN

1

NIN

39

FMSD

TUNL

MFIX

13

CSL

BU

8

4

19

20

3

CN353

IC 3

EEPROM

28

27

FM/AM 1ST IF 10.7MHz

T51 Q51 CF51

CF52 CF53

IC1

MIXER, IF AMP, DET.

6

21

18

LDET

COMP

222510 14 12 15 16 8 13 2 3 4

CF202

VDD

VCC

DI/DO

CE2CKCE1

SDBWSLFMSD

NL1

NL2

IC 2 FM MPX

AMANT

FMANT

ATT

AMRF

FMRF

IMG ADJ

RF ADJ

X901

10.25MHz

ANT ADJ

LOCL

23

LOCH

AMDET

MPXREF 41kHz

AM 2ND IF

450kHz

19

CREQ

11

DGND

1

STIND

L ch

5

R ch

924

AMDET

FMLOCL

20

177

AMPNS

WC

26

RFGND

AMIN

Q561

IC252

PM4009A

X251

RBDS DECODER

1211

20

AM

Q351

FMSD

11

AUDIO+B

RDT

5

10 11

17 11

2

1

F

G

STBY

B.U

MUTE

MTL

LOAD

5

1

4

2

1

3

4

11

9

20

19

8

DECK UNIT

IC251

HA12216F

IC351

PA2020A

EQ AMP

MECHANISM

DRIVER

CN251

CN252

CN254

CN255

CN253

6

16

TAPE+B

Lch

10

12

FWD L-ch

REV L-ch

37 38 39

18

19

17

3

15 6

8

7

10

CN256

3

15

6

S101

LOAD

S102

MODE

Q101 REEL

SENSE

M

M2

SUB

MOTOR

M1

MAIN

MOTOR

5 2

1

SENSOR UNIT

S103 70µs

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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

15

13

XOUT

X601

17 23

17

20 74

23 21 22

19

21 22

19

20

LCD901

20

14,15

9-13

CDEJ CSEJ

VDD

IC 602

S-80835CNUA-B8U

52

12

1

2

reset

RESET

15

XIN

13

XOUT

39

LOEJ

40

CONT

89

DSCSNS

23

CD5VON

87

home

CD8R3V

75

73

83

82

ENC1+

85

ENC2-

84

ENC2+

65

CONTROLLER

SYSTEM

IC 601(2/2)

KEY

MATRIX

CN804

CN901

KEYBOARD PCB

ENC2P

ENC2M

ENC1P

LCDBL

ILLB

cdej

csej

asens

bsens

BU

Q822

Q808

KEY CONTROLLER

LCD DRIVER

14

VR901

PWR•VOL

VR902

AUDIO•TUNE

ENC1-

ENC1M

AVC-LAN BUS DRIVER

UNBALANCE TO BALANCE CONVERTER

IC701

HA12187FP

6

BU

MUTE

Q801

ISENS

Q805

BSENS

Q806

ASENS

Q807

5

Q812

Q814

4

LAMP

63

Q802

Q809

Q815

CD8R3V

AUDIO+B

VDCONT

SYSPWR

Q864

Q866

IC401

NJM2068MD

TUNER

MIXING AMP

2

1

IC203

NJM2068MD

67

IC204

NJM2068MD

6

7

Q865

Q205

SYSMUTE1

30

29

21

TX

RX1

RX2

isen

22

IPPW

1 2

8

bsens

TX

RX

isen

IPPW

MUTE

RX

56

AMPMUTE

CN351

Q811

Q813

AUDIO +B REGULATORCD 8.3V REGULATOR

LCDBL REGULATOR

ILLB REGULATOR

BU

Q563(1/2)

Q564(1/2)

Q563(2/2)

Q564(2/2)

AUDIO+B

FMB

AMB

42

AMPW

41

FMPW

TUNL

CSL

CDL

B

SWVDD

LC75804W

IC 901

IC202

TC4052BF

IC302

TC4052BF

2

3

1

4

BALANCE TO UNBALANCE CONVERTER

IC303

NJM2068MD

67

IC304

NJM2068MD

67

3

ACC

R

L

R

SLD1

MUTE

GND1

TX1

+B

TX1

L

CN473

SW2

SW1

TX2

GND2

ADIM

SLD2

CN472

RSR+

RSR-

RSL+

RSL-

RMU

ACC

+B

ILL-

ILL+

ANT

AMP

ATX-

ATX+

MUTE

R-

R+

L-

L+

GND

SLD

CN801

Q351

Q204

Q305

Q304

FMSD

IC870

S-812C56AUA-C3K

3

VDD

VDD 5V REG.

BU

Q870

3

4

Q901

Q902

Q903

1

UNBALANCE TO BALANCE CONVERTER

SELECTOR

IC201

NJM2068MD

7

5

LANL

Q867

53

sysmute@

asens

Q451

Q452

Q453

AMB

BU

SYSPWR

FMB

ANT+B

Q882

Q884

AMP+B

Q645

SWVDD

Q644

55

SWVDD

A

B

A

B

43

SYSPWR

CONTROLLER

IC 601(1/2)

SYSTEM

FMSD

DI/DO

CE2

CK CE1 SL

1

FMSD

32

PDI

11

PDO

33

PCE2

34

pck

93

PCE1

31

SL

MAIN UNIT

A

LEFT PCB

D

RIGHT PCB

C

PD5772A

80

stby

69

metal

71

CSLOAD

RDT

44

ST

2

RDT ST

ILLCONT

Q722

Q721

SWVDD

57

ADIM

28

BLIGHT

10 11

17 11

2

1

VDCNT

6

7

6

77

1

11

CN903

CN905

CN902

CN904

Q818

Q819

BU

Q820

5

6

7

8

F

E

D

C

B

A

5

6

7

8

FX-M8427ZT/UC

16

A-aA-a A-b A-b

A-aA-a

A-b A-b

A-a A-a

Large size

SCH diagram

Guide page

Detailed page

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

A-a

A

FM/AM TUNER UNIT

B

CN901

F

CN251

E

CN701

FM(400Hz, 30%MOD):-24.2dBs AM(400Hz, 30%MOD):-12.0dBs

CD(1kHz):+4.0dBs

TAPE(1kHz):-7.4dBs

SYSTEM

CONTROLLER

FM DIVERSITY

1

234

12

34

F

E

D

C

B

A

FX-M8427ZT/UC

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

17

A-b

A

>

A

MAIN UNIT

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.

CDCH(1kHz):+8.3dBs

FM:-14.4dBs AM:-11.4dBs CD:-1.6dBs

TAPE:-7.4dBs CDCH:-2.2dBs

FM:-4.6dBs AM:-1.6dBs CD:+8.3dBs TAPE:+2.4dBs CDCH:+7.8dBs

350µH

5

6

7

8

F

E

D

C

B

A

5

6

7

8

FX-M8427ZT/UC

18

A-a

A-b A-a

A-a

A-b

1

2

3

FM/AM TUNER UNIT

FM DIVERSITY

FM(400Hz, 30%MOD):-24.2dBs

AM(400Hz, 30%MOD):-12.0dBs

1

234

12

34

F

E

D

C

B

A

FX-M8427ZT/UC

19

A-a

A-b A-a

A-a

A-b

4 5

6

B

CN901

F

CN251

E

CN701

SYSTEM

CONTROLLER

CD(1kHz):+4.0dBs

TAPE(1kHz):-7.4dBs

5

6

7

8

F

E

D

C

B

A

5

6

7

8

FX-M8427ZT/UC

20

A-a

A-b

1

2

3

A

MAIN UNIT

FM:-14.4dBs

AM:-11.4dBs

CD:-1.6dBs

TAPE:-7.4dBs

CDCH:-2.2dBs

1

234

12

34

F

E

D

C

B

A

FX-M8427ZT/UC

21

A-a

A-b

4 5

6

>

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.

350µH

CDCH(1kHz):+8.3dBs

FM:-4.6dBs

AM:-1.6dBs

CD:+8.3dBs

TAPE:+2.4dBs

CDCH:+7.8dBs

5

6

7

8

F

E

D

C

B

A

5

6

7

8

FX-M8427ZT/UC

22

B D

SEEK•TRACK UP

SEEK•TRACK DOWN

B

KEYBOARD PCB

D

LEFT PCB

A

CN804

1

234

12

34

F

E

D

C

B

A

FX-M8427ZT/UC

3.3 KEYBOARD UNIT

23

B C

C

RIGHT PCB

KEYBOARD UNIT Consists

of KEYBOARD PCB RIGHT PCB LEFT PCB

5

6

7

8

F

E

D

C

B

A

5

6

7

8

FX-M8427ZT/UC

24

1

234

12

34

F

E

D

C

B

A

FX-M8427ZT/UC

E

M1 CXB6007

M2 CXB8284

LOADING/CARRIAGE

SPINDLE

RF AMP

ACT/MOTOR DRIVER

5V REGULATOR

CN101

91K

PICKUP UNIT (SERVICE)(P9)

E

CONTROL UNIT

3.4 CD MECHANISM MODULE

25

5

6

7

8

F

E

D

C

B

A

5

6

7

8

FX-M8427ZT/UC

E

16.934MHz

SERVO CONTROL/DSP/DAC/LPF

CN701

TC9495FP

A

CN351

SWITCHES: CONTROL UNIT

S901 : HOME SWITCH.....ON-OFF

S902 : CLAMP SWITCH....ON-OFF

S903 : DSCSNS SWITCH....ON-OFF

S904 : 12EJ SWITCH....ON-OFF

S905 : 8EJ SWITCH....ON-OFF

The underlined indicates the switch position.

26

1

234

12

34

F

E

D

C

B

A

FX-M8427ZT/UC

@ CH1:BCK 2V/div.

During "Play"

1 CH1:DSCSNS 5V/div. 2 CH2:CLCONT 5V/div. 3 CH3:LOEJ 5V/div. 4 CH4:VD 10V/div.

When loading (8 cm CD)

500ms/div.

5 CH1:FD 500mV/div. 6 CH2:FOK 5V/div. 7 CH3:MD 5V/div.

When setting up "Source On"

500ms/div.

8 CH1:FE 500mV/div. 9 CH2:FOON 5V/div.

When setting up "Source On"

500ms/div.

5 CH1:FD 500mV/div. 6 CH2:FOK 5V/div. 7 CH3:MD 5V/div.

Magnified drawing for "time"

100ms/div.

1 CH1:DSCSNS 5V/div. 2 CH2:CLCONT 5V/div. 3 CH3:LOEJ 5V/div. 4 CH4:VD 10V/div.

When loading (12 cm CD)

Ref. : GND

Mode : Normal

Ref. : GND

Mode : Normal

Ref. : VREF

Mode : Normal

Ref. : VREF

Mode : Normal

Ref. : VREF

Mode : Normal

Ref. : VREF

Mode : Normal

Ref. : VREF

Mode : Normal

Ref. : VREF

Mode : Normal

Ref. : VREF

Mode : Normal

Ref. : VREF

Mode : Test

Ref. : VREF

Mode : Normal

Ref. : VREF

Mode : Normal

500ms/div.

0 CH1:TE 500mV/div. 8 CH2:FE 500mV/div.

When setting up "Source On"

200ms/div.

1µs/div.

# CH1:LRCK 2V/div. $ CH2:DOUT 2V/div.

During "Play"

10µs/div.

7 CH1:MD 500mV/div.

During "Play"

10µs/div.

% CH1:RFO 500mV/div.

During "Play"

0.5µs/div.

% CH1:RFO 500mV/div. 0 CH2:TE 500mV/div.

During "Tracking Open"

2ms/div.

8 CH1:FE 500mV/div. 5 CH2:FD 500mV/div. 0 CH3:TE 500mV/div. ! CH4:TD 500mV/div.

During "Play"

1ms/div.

- Waveforms

Note:1. The encircled numbers denote measuring pointes in the circuit diagram.

2. Reference voltage VREF:2.1V

PIONEER RX330 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

SAFETY INFORMATION

CONTENTS

1. SPECIFICATIONS

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING(FX-M8427ZT-91/UC)

2.2 EXTERIOR

2.3 CD MECHANISM MODULE

2.4 CASSETTE MECHANISM MODULE

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

3.3 KEYBOARD UNIT

3.4 CD MECHANISM MODULE