Pioneer GX470 Bedienungsanleitung

ORDER NO.

CRT2916

GX470

AUDIO SYSTEM

HEAD UNIT

CRT2916

PUB.NO.

Manufactured for TOYOTA

by PIONEER CORPORATION

VEHICLE DESTINATION PRODUCED

AFTER TOYOTA PARTS No. ID No. PIONEER MODEL

No.

LEXUS GX470 U.S.A., CANADA November 2002 86120-60440 P1731 KEX-M8727ZT/UC

KEX-M8727ZT-91/UC

LEXUS GX470 U.S.A., CANADA November 2002 86120-60470 P1732 KEX-M8527ZT/UC

KEX-M8527ZT-91/UC

KEX-M8727ZT/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

XOUT

SYSTEM CONTROLLER

IC601

KDT,kst

AMAIN UNIT

FM/AM TUNER UNIT

KEYBOARD UNIT

LOCL

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

NJM2068

RBDS

DECODER

TUNER MIXING

AM PNS

FML

AML

Q561

AMB

IC501

LA1061M 1

Q501

NIN

MFIX

SUB

MAIN

SUB

MAIN

PD5840A

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

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

KEX-M8727ZT/UC 11

5678

Q811 Q813

Q816

ILLB

NJM2068MD

IC204

NJM2068MD

IC203

L+

LANL+

L-

ANT

TX+

TX-

RSL-

RSL+

TX1-

TX1+

LANL

N804

5,6

Q808

Q802

ILL

ACC

HA12187FP

IC701

S-81256SGUP-DIM

IC870

LAMP

SYSPWR

YSTEM CONTROLLER

AVC-LAN

IC601

SWVDD

AUD+B

ASENS

BSENS

KDT,kst

SYSMUTE1

SYSMUTE2

IPPW 22

CN801

CN473

ISENS

FMSD

FMPW

TC4052BF

IC202

2TC4052BF

IC302

NJM2068MD

IC201

NJM2068MD

IC304

Q205Q204

NJM2068MD

IC303

16 8 8

16 8

CN472

Q305Q304

Q867Q865

Q866Q864

Q860

Q861

Q862

Q863

Q563

Q405

Q564

AMPW

252

NL2

Q406

IC401

NJM2068MD

ACC

Q807

Q870

Q645

Q644

ASEN

ACC

Q805

ISEN ILL

SWVDD

100

ANTB

Q806

BSEN

VDD

AMP

AUD+B

SW5V

Q453

Q451

Q452

Q882

Q884

AUDIO SELECT

FOR AMP

AUDIO SELECT

FOR RSA

TUNER MIXING AMP UNBALANCE TO BALANCE

UNBALANCE TO BALANCE

BALANCE TO

UNBALANCE

SYSTEM MUTE

5R6V IC

16763

7676

FML

AML

LANL-

LANL+

LANL-

CSL

TUL

LANL

TUL

CSL

FMB

AMB

FMB

AMB

SWVDD

PD5840A

NL1

IC252

PM4009A

RCK,RDT,rdslk,57K,drst

KEX-M8727ZT/UC

1234

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

A-a A-b

A-b

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

BCN901

CCN251

RBDS DECODER

TUNER

FM:-24.0dBs(30%,400Hz)

AM:-11.7dBs(30%,400Hz)

TAPE:-7.5dBs(0dB,1kHz)

SYSTEM CONTROLLER

FM DIVERSITY

KEX-M8727ZT/UC 13

5678

A-b

A-a A-b

A-b

A-a

AMAIN 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.

FM:-14.4dBs

AM:-14.8dBs

(KEX-M8727ZT)

AM:-11.5dBs

(KEX-M8527ZT)

TAPE: -7.5dBs

L-

L+

(AMP)

SYSTEM MUTE

R+

R-

L-

L+

(RSA)

UNBALANCE TO BALANCE

SYSTEM MUTE

UNBALANCE TO BALANCE

AUDIO

SELECTOR

FOR RSA/RSE

FM:-14.4dBs

AM:-14.8dBs

(KEX-M8727ZT)

AM:-11.5dBs

(KEX-M8527ZT)

TAPE: -7.5dBs

VDD 5V

AUDIO SELECTOR

FOR AMP

BALANCE TO UNBALANCE

TUNER MIXING AMP

HARD MUTE

FM:-4.6dBs

AM:-5.0dBs

(KEX-M8727ZT)

AM:-1.7dBs

(KEX-M8527ZT)

TAPE: +2.3dBs

13.2V 13.2V

ILL

SENSE B.UP

SENSE ACC

SENSE

13.2V

8.3V

R417,418

KEX-M8727ZT 91K

KEX-M8527ZT 62K

KEX-M8727ZT/UC

1234

A-a A-b

A-a

A-b 12

RBDS DECODER

TUNER MIXING AMP

FM:-24.0dBs(30%,400Hz)

AM:-11.7dBs(30%,400Hz)

FM DIVERSITY

KEX-M8727ZT

KEX-M8527ZT

KEX-M8727ZT/UC 15

5678

A-a A-b

A-a

A-b

34567

CN901

CN251

TAPE:-7.5dBs(0dB,1kHz)

SYSTEM CONTROLLER

KEX-M8727ZT/UC

1234

A-a A-b

A-b 12

AMAIN UNIT

FM:-14.4dBs

AM:-14.8dBs

(KEX-M8727ZT)

AM:-11.5dBs

(KEX-M8527ZT)

TAPE: -7.5dBs

L-

L+

(AMP)

SYSTEM MUTE

R+

R-

L-

L+

(RSA)

UNBALANCE TO BALANCE

SYSTEM MUTE

UNBALANCE TO BALANCE

AUDIO

SELECTOR

FOR RSA/RSE

FM:-14.4dBs

AM:-14.8dBs

(KEX-M8727ZT)

AM:-11.5dBs

(KEX-M8527ZT)

TAPE: -7.5dBs

VDD 5V

AUDIO SELECTOR

FOR AMP

BALANCE TO UNBALANCE

G AMP

HARD MUTE

R417,418

KEX-M8727ZT 91K

KEX-M8527ZT 62K

KEX-M8727ZT/UC 17

5678

A-a A-b

A-b

34567

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.

HARD MUTE

FM:-4.6dBs

AM:-5.0dBs

(KEX-M8727ZT)

AM:-1.7dBs

(KEX-M8527ZT)

TAPE: +2.3dBs

13.2V 13.2V

ILL

SENSE B.UP

SENSE ACC

SENSE

13.2V

8.3V

KEX-M8727ZT/UC

1234

3.3 KEYBOARD UNIT

PWR•VOL

ACN804

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