Pioneer Lexus RX300 Bedienungsanleitung

ORDER NO.

CRT2496

PUB. NO. CRT2496

AUDIO SYSTEM

POWER AMPLIFIER

Manufactured for TOYOTA

by PIONEER CORPORATION

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

LEXUS RX300 USA, CANADA August 2000 86280-48050 GM-8706ZT/UC

EUROPE GM-8706ZT-91/UC

86280-48040 GM-8306ZT/EW

GM-8306ZT-91/EW

RX300

Service

Manual

GM-8706ZT,8706ZT-91,8306ZT,8306ZT-91

GM-8706ZT/UC, GM-8306ZT/EW

NOTE:

-The GM-8706ZT-91/UC and GM-8306ZT-91/EW are supplementary genuine part for a TOYOTA vehicle, and a Pioneer

product for recycling stock.

-As for the electrical system, there is no difference between the GM-8706ZT-91/UC, GM-8306ZT-91/EW and GM-

8706ZT/UC, GM-8306ZT/EW.

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

Part No.

Description GM-8706ZT-91/UC GM-8306ZT-91/EW

Cover CEG1045 CEG1045

Carton CHG2410 CHG2410

Contain Box CHL4114 CHL4113

CONTENTS

1. SAFETY INFORMATION............................................2

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

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

4. PCB CONNECTION DIAGRAM................................22

5. ELECTRICAL PARTS LIST........................................26

6. ADJUSTMENT.........................................................33

7. GENERAL INFORMATION.......................................34

7.1 DIAGNOSIS .......................................................34

7.1.1 DISASSEMBLY.........................................34

7.1.2 CONNECTOR FUNCTION DESCRIPTION ......35

7.2 IC ........................................................................36

7.3 EXPLANATION...................................................39

7.3.1 OPERATIONAL FLOW CHART .................39

7.3.2 SYSTEM BLOCK DIAGRAM.....................40

8. SPECIFICATIONS .....................................................41

GM-8706ZT,8706ZT-91,8306ZT,8306ZT-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.

GM-8706ZT,8706ZT-91,8306ZT,8306ZT-91

2. EXPLODED VIEWS AND PARTS LIST

2.1 EXTERIOR (GM-8706ZT/UC)

GM-8706ZT,8706ZT-91,8306ZT,8306ZT-91

1 Screw BMZ30P060FMC

2 Screw See Contrast table(2)

3 Screw(M2.6x14) CBA1384

4 Screw(M3x14) CBA1427

5 Chassis CNA1938

6 Case CNB2186

7 86285-48030 See Contrast table(2)

* 8 Seal CNM5381

* 9 Heat Sink CNR1446

10 Main Unit CWM7316

11 Screw(M3x6) CBA1393

12 Connector(CN101) CKM1074

13 Connector(CN102) CKM1222

14 Bracket CNC7145

15 Holder CNC7146

16 IC(IC401) TDA7384

17 IC(IC503) TA8221AH1

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.

(1) EXTERIOR SECTION PARTS LIST

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

(2) CONTRAST TABLE

GM-8706ZT/UC and GM-8706ZT-91/UC are constructed same except for the following:

Part No.

Mark No. Description GM-8706ZT/UC GM-8706ZT-91/UC

2 Screw BMZ50P060FMC Not used

7 86285-48030 CNC9013 Not used

GM-8706ZT,8706ZT-91,8306ZT,8306ZT-91

2.2 EXTERIOR (GM-8306ZT/EW)

GM-8706ZT,8706ZT-91,8306ZT,8306ZT-91

1 Screw BMZ30P060FMC

2 Screw See Contrast table(2)

3 Screw(M2.6x14) CBA1384

4 Screw(M3x14) CBA1427

5 Chassis CNA1938

6 Case CNB2186

7 86285-48030 See Contrast table(2)

* 8 Seal CNM5381

* 9 Heat Sink CNR1446

10 Amp Unit CWM7099

11 Screw(M3x6) CBA1393

12 Connector(CN101) CKM1074

13 Connector(CN102) CKM1222

14 Bracket CNC7145

15 Holder CNC7146

16 IC(IC401) TDA7384

(1) EXTERIOR SECTION PARTS LIST

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

(2) CONTRAST TABLE

GM-8306ZT/EW and GM-8306ZT-91/EW are constructed same except for the following:

Part No.

Mark No. Description GM-8306ZT/EW GM-8306ZT-91/EW

2 Screw BMZ50P060FMC Not used

7 86285-48030 CNC9013 Not used

GM-8706ZT,8706ZT-91,8306ZT,8306ZT-91

1234

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM (GM-8706ZT/UC)

IC201

NJM2068MD

31IC203

NJM2068MD

IC202

NJM2068MD

21IC204

NJM2068MD

IC104

PMJ002A IC401

TDA7384

IC503

TA8221AH1

IC502

NJM2068MD

IC501

NJM2068MD

IC801

NJM2930F08K

AMPLIFIER

CONTROL

IC601

PD5607B

IC603

S-80740AND4I

IC602

CA0008AM

Q811

B.U

5VD

B.U

AUDIO

B.U

IC101

NJM2068MD

CUT

Q221,225

BOOST

Q223,227

BOOST

Q323,327

CUT

Q321,325

CN101

L+

L-

CDL- CDL+

MUTE

EMUT

TX+

TMUT

TX-

Q805 Q143

Q141

PMUTE

VDT

VCK

VST

BEEP

FIX EQ

POWER AMP

22 4

FLIN

RLIN

mute stby

Q820 Q810

Q809

CN102

RL+

FL+

FL-

RL-

WF-

WF+

ACC

RL+

L801

Q803

Q804

MUTE2

WOOFER

POWER AMP

Q501

WOOFER

MUTE

STBY

WFSTBY

Q646

BSENSE

Q807

Q801

Q802

BEEP

MUTE1

MSENS

SYSPW

MUTE2

reset

AVCPW

AVCOUT

AVCIN

VDT/VCK/VST

BEEP

BSEN

ASEN

XIN

XOUT

Q641

ASNSE

X601

6.290MHz

TMUTE

MSENSE

Q806

Q812 Q808

8V REGULATOR

MUTE

WFSTBY

5V REGULATOR

RESET

Q621

RESET

TX+

TX-

<MUTE2>

<MUTE1>

<RL>

<FL>

<BEEP>

<MSEN>

<MUTE2>

<FL>

<RL>

AMAIN UNIT

GM-8706ZT,8706ZT-91,8306ZT,8306ZT-91

1234

IC201

NJM2068MD

31IC203

NJM2068MD

IC202

NJM2068MD

21IC204

NJM2068MD

IC104

PMJ002A IC401

PAL006A

IC801

NJM2930F08K

AMPLIFIER

CONTROL

IC601

PD5607B

IC603

S-80740AND4I

IC602

CA0008AM

Q811

B.U

5VD

B.U

AUDIO

B.U

IC101

NJM2068MD

CUT

Q221,225

BOOST

Q223,227

BOOST

Q323,327

CUT

Q321,325

CN101

L+

L-

CDL- CDL+

MUTE

EMUT

TX+

TMUT

TX-

Q805 Q143

Q141

PMUTE

VDT

VCK

VST

BEEP

FIX EQ

POWER AMP

22 4

FLIN

RLIN

mute stby

Q820 Q810

Q809

CN102

RL+

FL+

FL-

RL-

ACC

RL+

L801

STBY

Q646

BSENSE

Q807

Q801

Q802

BEEP

MUTE1

MSENS

SYSPW

MUTE2

reset

AVCPW

AVCOUT

AVCIN

VDT/VCK/VST

BEEP

BSEN

ASEN

XIN

XOUT

Q641

ASNSE

X601

6.290MHz

TMUTE

MSENSE

Q806

Q812 Q808

8V REGULATOR

MUTE

5V REGULATOR

RESET

Q621

RESET

TX+

TX-

<MUTE2>

<MUTE1>

<BEEP>

<MSEN>

<MUTE2>

AAMP UNIT

3.2 BLOCK DIAGRAM (GM-8306ZT/EW)

GM-8706ZT,8706ZT-91,8306ZT,8306ZT-91

1234

3.3 SCHEMATIC DIAGRAM (GM-8706ZT/UC)

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

PARTS LIST”.

-25.4dBs

-29.0dBs

1kHz

-25.5dBs

1kHz

woofer:

-22.0dBs 50Hz

-14.5dBs 50Hz

-13.5dBs 50Hz

-24.5dBs 50Hz

-25.5dBs

-24.0dBs

A-a A-b

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

A-a

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