PIONEER FX-MG8037, FX- MG8137, FX-MG8037ZT, FX-MG8037EW, FX-MG8037ZT-91EW Service Manual

Service

Manual

RX330 AUDIO SYSTEM HEAD UNIT

ORDER NO.

CRT3021

VEHICLE	DESTINATION	PRODUCED AFTER	TOYOTA PART No.	ID No.	PIONEER MODEL No.
LEXUS RX330	EUROPE	February 2003	86120-48210	P3918	FX-MG8037ZT/EW
			86120-48350	P3918	FX-MG8037ZT-91/EW
			86120-48230	P3919	FX-MG8137ZT/EW
			86120-48370	P3919	FX-MG8137ZT-91/EW

Manufactured for TOYOTA
by PIONEER CORPORATION	PUB. NO. CRT3021

1		2		3		4

A

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

FX-MG8037ZT/EW(P3918)	FX-MG8137ZT/EW(P3919)
B
LOAD	LOAD

C

- 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, Disassembly
CX-951	CRT2872	G2	CD Mech. Module:Circuit Description, Mech.Description, Disassembly

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

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

D

E

F

2	FX-MG8037ZT/EW

1		2		3		4

5		6		7		8

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM(1)

A

				F
	PU UNIT(SERVICE)(PX1)	G
			PCB UNIT	PCB UNIT(SIDE)

				MD			CN41			CN12	CN11
						10			23		MD	23
								23
				LD+		2		14	14		LD+	32
MD			LD	LD-							LD-
						1		13	13			33
			A+C,B+D,
	HOLOGRAM		E,F
		UNIT												B
				FO+							FOP
	FOCUS ACT					16		28	28			18
											TOP
	TRACKING ACT			TO+		14		26	26			20
H PCB UNIT(M2 UNIT)
		MOTOR		CN1			CN42
		DRIVER
SPINDLE
	2	A3		19							SIN(EC)
M	3	A2	EC		5	5		6	6			40
	5	A1
		IC 1
		BA6849FS
S2 CLAMP				CLAMP	2	2		9	9		CLAMP	36
S1 HOME				HOME	1	1		10	10		HOME	37
							S41 LOAD3				LOADSW2		C
								1	1			45
										S11 CAMCLMP			CN101	C
			M3 CARRIAGE									50
								11	11		COP	34
				M
								12	12		COM 35
							M1 CAMGEAR
											CGM	3
							M				CGP
												1
				M2 ELV				CN31		CN14	ELP
				M				1	1			15
								2	2		ELM	13
	D					S32 CAMEOK					CAMOK 11
								5	5
						S31 CAMLOAD					CAMLOAD 10
PCB UNIT								7	7
											LED
(LED)								8	8			12
														D
							D31	D32
										VR11
					VR1 ELV SENSE						ELVSNS 46
											EREF	48
	E									CN13	LOADPHT
						Q22		Q21	2			7
PCB UNIT
						S21 LOAD1
(LOAD)									1		LOADSW1	8
								S22 LOAD2
								LOADING
									4		LOP	6
								M			LOM
									5			5

E

F

			FX-MG8037ZT/EW				19
5		6				7		8

A

B

C

D

E

F

1		2		3		4

3.2 BLOCK DIAGRAM(2)

FM/AM TUNER UNIT

FM/AM 1ST IF 10.7MHz

MPXREF 41kHz

AMRF

T51 Q51 CF51 CF52 CF53

AMDET

AMANT

28

ATT

IC 2 FM MPX

L ch

6

FML

R ch

5

Q401

Q402

Q403

Q406

CN501

AMIN

20

AMB

ANT ADJ

IC1

COMP 21

MAIN

ANTENNA

MIXER, IF AMP, DET.

LDET

18

LDET

SUB

27

FMANT

ATT

8

Q404

VDD

ANTENNA

26 RFGND

FMRF

20

IC252

RDSMUTE

CF202

RDS

PM4009A

5

RDT

DECODER

11

12

IMG ADJ

AM 2ND IF X901

IC 3

X251

EEPROM

450kHz 10.25MHz

SDBW

STIND

AMDET

RF ADJ

WC

AMPNS

VCC

VDD

CREQ

DI/DO

FMLOCL

DGND

CE2

CK

CE1

SL

FMSD

NL1

NL2

LOCH

LOCL

AM NOISE CANCELER Q561

Q504

23

25

7

17

22

10

19

14

24

11

12

15

16

8

13

2

3

4

1

9

			Q502	AUDIO+B	3	IC561	9	AM
SWVDD			AUDIO+B
					Q252	HA12181FP		Q405
				SWVDD
					NL2			FMB
	MFIX		FMSD					FMSD
	13	Q501	LOCL
5 SUB IC 501 NIN 1			COMP
6	LA1061M
MAIN

F

CN11

DIVERSITY

CN101

10

V+5

16

CN501

23

96

PD

L-OUT

3

3.3V - 5V CONVERTER

22

3V

Q602

LOUT

32

97

LD

LRCKIN

33

3

1,2

15

VD

Q603

Q101

31

6

IC504(1/2)

4,5 14

ZLRCK

CD MUTE

33

IC 201

SCKIN

ZSCK

UPD63711GC

TC74VHCT08AFT

IC501

Q601

A+C,B+D,E,F

CD CONTROL

SM5903BFP

5V - 3.3V CONVERTER

SHOCK PROOF

18

IC505(1/2)

BUFFER RAM

20

DOUT,LRCK,

TC74VHC541FT

CONTROLLER

IC507

SCKO,RADV,

MSM51V17400F6TFT

SBSY

ZSENSE

OUTPUT

21

SERVO DSP I/F

9,10

SERVOEQUALIZER

XSI,XSO,XSCK,XSTB,XAO,XRST,FOK,LOCK,

IC504(2/2)

IC505(2/2)

TSI,TSO,TSCK,TSTB,PACK,SBSY

TC74VHCT08AFT

TC74VHC541FT

40

FD,TD,SD,MD

8

YMDATA,

YMLD,

YMCLK

VDD

98

14

14

VD

ZSENSE

VCC2

74

36

18

OUT1+

MUTE

29

9

CONT

CDMUTE

15

OUT2-

BSI,BSO,BSCK,BRXEN,BSRQ,BRST

37

26

OPOUT

MOTOR CONTROL

10

RESET

COP

19

3+3ch

reset

9

OUT3+

ELV1,ELV2,ELVCONT,LD1,LD2,

37

VDCONT

45

COM

20

OUT3-

DRIVER

LOCONT,CG1,CG2

IC702

VDCONT

6

50

ELP

2

OUT5-

IC 301

PD5748E

94

VD

ELM

3

OUT5+

BD7962FM

MECH.

VDIN

34

LOP

21

CLAMP

72

OUT4+

HOME2

CONTROLLER

VDD

8

35

LOM

22

HOME

79

CGM

34

OUT4-

HOME

OUT6+

LOADSW2 82

LOADSW2

CGP

35

OUT6-

CAMCLMP 23

CAMCLMP

ELVSNS

91

ELVSENS

3

EREF

92

EREFF

1

CAMOK

21

CAMOK

CAMLOAD 22

CAMLOAD

LOADPHT

89

LOADPHT

LOADSW1 81

LOADSW1

15

TEMP

VD

VD

17

92

13

3V REGULATOR

5V REGULATOR

18

3V

1

IC 302

4

IC 303

11

S-818A33AUC-BGN

5

BA05SFP

2

10

V+5

12

VD

C

CONTROL UNIT(G2T)

I

DECKI

UNIT

CN252

CN251

CN353

FWD

1

EQ AMP

16

TAPE+B

4

4

AUDIO+B

46

L-ch

37

IC251

5

38

6

3

3

CSL

48

REV

39

HA12216F

Lch

L-ch

4

7

12

10

M2

2

CN254

MECHANISM

MUTE 9

8

SUB

M

B.U 20

MOTOR

1

DRIVER18

19

17

20

BU

5

IC351

STBY 19

19

2

6

1

PA2020A

M1

CN255

MTL

5

M

8

8

MAIN

8

7

10

LOAD

11

MOTOR

CN253

4

11

3

1

5

6

3

1

5

4

6

J

SENSOR UNIT

CN256

Q101

REEL

SENSE

S102

S103

S101

MODE

70

s

LOAD

CN351

Q351

16

10 R

13VDCNT2

11

2	CD9V
1

20	FX-MG8037ZT/EW

1		2		3		4

5

6

7

8

BALANCE TO UNBALANCE CONVERTER

A MAIN UNIT

LANL

7

IC201

5

LANLP

NJM2068MD 6

LANLM

TUNER

SELECTOR

A

MIXING AMP

UNBALANCE TO BALANCE CONVERTER

FML

2

IC401

1

2

3

Q203

NJM2068MD

INH 6

sysmute@

6

IC203

7

6

IC204

7

Q204

Q406

1

IC202

CSL

TC4052BF B 9

Q202

NJM2068MD

NJM2068MD

4

AMB

SEL1b

CDL

5

10

Q201

A

SEL1a

Q205

SELECTOR

2

3

UNBALANCE TO BALANCE CONVERTER

1

INH 6

Q303

Q304

sysmute

6

IC303

7

6

IC304

7

CN472

4

IC302

Q302

NJM2068MD

NJM2068MD

TC4052BF B 9

5

SEL2b

Q301

A

10

SEL2a

Q305

Q863

Q865

Q867

SWVDD

Q860

SLD1

SWVDD

BU

Q862

RSR+

SWVDD

Q864 Q866

GND

RSR-

Q861

SW1

RSL+

sysmute@

SW2

RSL-

Q405

sysmute

Q497

TX1

rmut

B

FMB

RSEMT

TX1

ADIM

Q563(1/2)

AUDIO+B

ADIM

CN473

FMSD

1 FMSD

45

FMB

SEL1b

ISENS

RDSMUTE

3 RDSMUTE

SEL1a

46

isens

Q805

SGND

GND

LDET

19

ldet

SEL2b

48

Q564(1/2)

R

DI/DO

32

PDI

SYSTEM

SEL2a

49

FMPW

R

TX

CE2

31

PDO

CONTROLLER sysmute

53

BSENS

L

TX

11

IC 601(1/2)

52

PCE2

sysmute@

bsens

Q806

BU

CK

33

pck

L

ACC+B

CE1

PD5789A

34

PCE1

Q563(2/2)

mute

BU+B

SL

93

SL

ASENS

RDT

44

RDT

AMB

asens

Q807

NL1

91

NL1

Q882

NL2

100

LOCL

10

NL2

Q564(2/2)

BU

BU

+B

ACC

CN351

CREQ

26

LOCL

AMPW

Q351

ST

2

currq

ILL

ILL-

SDBW

23

ST

SYSPWR

AMP

ANT

16

SDBW

AVC-LAN BUS DRIVER

Q884

TX

1

IC701

6

RX

2 HA12187FP

5

TX+

TX-

IPPW

8

AVC-LAN MUTE

RESET

MUTE

Q801

mute

IC 602

ILL-

RESET

1

2

S-80835CNUA-B8U

VDD

ILL-

Q825

R+

R-

C

SWVDD

L+

L-

12

42

SLD

GND

RESET

AMPW

CN801

FMPW

41

15

XIN

sysmute

53

X601

sysmute@

52

ANT+B Q451

RSEMUTE

51

RSEMT

13

75

BU

XOUT

bsens

asens

73

AUDIO +B REGULATOR

AMB

65

Q452

isens

94

Q808

FMB

Q453

ILL-

30

BU

TX

AUDIO+B

29

RX1

RX

21

RX2

SYSPWR

22

XOUT

IPPW

56

LANMUTE

10

RESET

CD 9V REGULATOR

SYSTEM

Q721

SW5V

Q802

13

VDCNT2

VDCONT2

Q809

ADIM

57

CONTROLLER

CD9V

BU

IC 601(2/2)

PD5789A

ADIM

11

VDD

LAMP

4

Q722

D

43

VDD5V REGULATOR

ILLB REGULATOR

SYSPWR

IC870

Q811

S-812C56AUA-C3K

Q815

3

VDD

SWVDD

Q645

BU

Q870

Q813

80 stby

SWVDD

55

Q644

Q812

Q818

BU

BLIGHT

28

BU

2

CD9V

69

mtl

power

81

Q819

83

Q814

1

71

CSLOAD

ENC1-

82

ENC1+

85

Q822

ENC2-

Q820

ENC2+

84

Q816

CN804

ENC2P

ENC2M

ENC1P

ENC1M pwr

LCDBL

ILLB

cdej

csej

20

74

17

23

21

22

19 20

18

14,15

9 10111213

17

23

21

22

19 20

18

14,15

9 10111213

CN902

ENC2P

ENC2M

ENC1P

ENC1M pwr

L LEFT PCB

E

ILLB

LCDBL

ILLB

Q907

LDO,LCK,LCE,LDI,LRST

CD

TAPE

EJECT

EJECT

CN902

CN904

Q903

ILL1

ILLB

1

1

Q908

pwr

2

2

ENC1P

Q905

6

6

ENC1M

ILLB

7

7

Q901

ILLB

3

4

1

Q906

ILLCONT

VR901

CDILLG CDILLR

IC 901

Q902

POWER•VOL

LC75804W

KEY CONTROLLER

KEY

LCD DRIVER

MATRIX

CN903

CN905

ILL2

1

1

KST2

LCDBL

2

2

ENC2P

6

6

ENC2M

LCD901

7

7

KDT1

4

4

B KEYBOARD PCB

F

VR902

AUDIO CONTROL•TUNE

K RIGHT PCB

FX-MG8037ZT/EW

21

5

6

7

8

1		2		3		4

3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

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

A

		Large size		A-a
A-a	A-b	SCH diagram
				FM/AM TUNER UNIT
				FM(30%,400Hz):-24.9dBs	A MAIN UNIT	FX-MG8037ZT/EW		FX-MG8137ZT/
		ANTENNA	4 1	AM(30%,400Hz):-11.8dBs
			5			C411	R1	R022
		JACK	3			C412	R1	R022
A-a	A-b		2
		Guide page
					TUNER MUTE
A-a	A-b	Detailed page
						2	2
					2	3	5
						5
						4
						4	4

B

5	1	3
	3

6

1 1

FM DIVERSITY

RDS DECODER

4 1

2 5

3 6

C

D

CD(1kHz):+3.6dBs

C CN501

SYSTEM CONTROLLER

E

TAPE(1kHz):-7.5dBs	I CN251

4

					2
	F	1	4		1
				5	3
		5	2
		6			6
		3
	A	B CN901
	22	FX-MG8037ZT/EW

1		2		3		4

5		6		7		8

A-b

A

NOTE :

	Symbol indicates a resistor.
FX-MG8137ZT/EW	No differentiation is made between chip resistors and
	discrete resistors.
R022	BALANCE TO UNBALANCE

	R022	Symbol indicates a capacitor.
		No differentiation is made between chip capacitors and
		discrete capacitors.

		TUNER MIXING AMP
		UNBALANCE TO BALANCE
		SYSTEM MUTE
		4
2		2	2
	3	5	5
	6	4	4
5
		1	3
		3
		1	1

5			6	AUDIO SELECTOR	FM: -9.6dBs
				FOR AMP
						FX-MG8137ZT/EW
3	4	2	1		AM:-11.5dBs
					TAPE: -7.5dBs
					CD: +2.3dBs	FX-MG8037ZT/EW
	4	1				FX-MG8137ZT/EW
2			5
	3	6		4	UNBALANCE TO BALANCE
				2

1

3

5	SYSTEM MUTE
	6

2	2
5	5
4	4
3	3
1	1

AUDIO SELECTOR

FOR RSA

	3
2	4
1	5
6

Decimal points for resistor and capacitor fixed values are expressed as :

2.2 ←	2R2
0.022	←R022

B

C

D

>

E

	4	4
	2	2
	1	1
5	3	3
		5
	6	6

		FM: -3.9dBs
		AM: -5.8dBs
		TAPE: -1.9dBs
		CD:+8.0dBs
ISENSE	BSENSE	ASENSE
		350 H

F

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.

A

FX-MG8037ZT/EW	23

5		6		7		8

F

E

D

C

B

A

1	24	a-A			A-a A-b				b-A
					FM/AM TUNER UNIT
					FM(30%,400Hz):-24.9dBs	A MAIN UNIT	FX-MG8037ZT/EW		FX-MG8137ZT/EW
			4	1	AM(30%,400Hz):-11.8dBs
							C411	R1	R022
		JACK	3	5
							C412	R1	R022
		ANTENNA
				2
						TUNER MUTE			TUNER
							2	2	4
						2	3	5	2
							5
							4		3
2							4	4
							1		6
						5		3
							3		5
							6	1	1
							1

MG8037ZT/EW-FX

FM DIVERSITY

1

RDS DECODER

5
3	4	2
		1

		4	1
		2
	4	1
3	2	5	6
		3
	3	6

1

2

3

	2
4	4

	5	6	7			8
3	4	5	6			A-b
						A
			4	3
			2
			1		5	6
		CONTROLLER			2	B
		SYSTEM		1 4	5	6
						3
						C

A-a A-b

CN501	I CN251	B CN901
C	TAPE(1kHz):-7.5dBs
CD(1kHz):+3.6dBs

D

E

F

A-a

FX-MG8037ZT/EW	25

5		6		7		8