Pioneer GS300 Bedienungsanleitung

ORDER NO.

CRT2497

PUB. NO. CRT2497

AUDIO SYSTEM

POWER AMPLIFIER

Manufactured for TOYOTA

by PIONEER CORPORATION

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

LEXUS GS300,430 USA,EUROPE August 2000 86280-30372 GM-8506ZT/E

GM-8506ZT-91/E

86280-30362 GM-8606ZT/E

GM-8606ZT-91/E

GS300,430

Service

Manual

GM-8506ZT,8506ZT-91,8606ZT,8606ZT-91

GM-8506ZT/E GM-8606ZT/E

CONTENTS

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

2. EXPLODED VIEWS AND PARTS LIST ......................3

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ....5

4. PCB CONNECTION DIAGRAM................................12

5. ELECTRICAL PARTS LIST........................................20

6. ADJUSTMENT.........................................................25

7. GENERAL INFORMATION.......................................29

7.1 DIAGNOSIS .......................................................29

7.1.1 DISASSEMBLY.........................................29

7.1.2 CONNECTOR FUNCTION DESCRIPTION ......30

7.2 IC ........................................................................31

7.3EXPLANATION...................................................33

7.3.1 OPERATIONAL FLOW CHART .................33

7.3.2 SYSTEM BLOCK DIAGRAM.....................35

7.3.3 SERVICE MODE FOR DSP AMPLIFIER ....36

8. SPECIFICATIONS .....................................................39

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.

NOTE:

-The GM-8506ZT-91/E and GM-8606ZT-91/E are supplementally genuine part for a TOYOTA vehicle, and a Pioneer

product for recycling stock.

-As for the structure and electrical system, there is no difference between the GM-8506ZT-91/E, GM-8606ZT-91/E and

GM-8506ZT/E, GM-8606ZT/E.

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

Part No.

Description GM-8506ZT-91/E GM-8606ZT-91/E

Cover CEG1045 CEG1045

Air cushioned bag CEG1081 CEG1081

Carton CHG3331 CHG3331

Contain Box CHL4148 CHL4149

1 Screw BMZ30P060FMC

2 Screw BMZ50P060FMC

3 Screw(M3x5) CBA1327

4 Chassis CNA1852

5 Case CNB2102

6 Shield CNC6809

7 Shield CNC6810

8 Bracket CNC6813

9 Bracket CNC6811

10 Insulator CNM5537

11 Heat Sink CNR1432

12 Amp Unit CWM6207

13 DSP Unit CWM7243

14 Screw IMS30P060FMC

15 Screw BMZ30P060FMC

16 Screw(M3x6) CBA1393

17 Bracket CNC6807

18 Holder CNC6808

19 Connector(CN901) CKM1222

20 Connector(CN902) CKM1244

21 Connector(CN903) CKM1245

22 Plug(CN905) CKS3631

23 Plug(CN906) CKS3631

24 IC(IC901) NJM7805FA

25 IC(IC801) TA8221AH1

26 IC(IC821) PAL001A

27 IC(IC851) TA8225H-LF1

28 Socket(CN51) CKS3632

29 Socket(CN52) CKS3632

* 30 Seal CNM5381

GM-8506ZT,8506ZT-91,8606ZT,8606ZT-91

2. EXPLODED VIEWS AND PARTS LIST

2.1 EXTERIOR (GM-8506ZT/E)

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.

11 27

-EXTERIOR SECTION PARTS LIST

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

GM-8506ZT,8506ZT-91,8606ZT,8606ZT-91

1 Screw BMZ30P060FMC

2 Screw BMZ50P060FMC

3 Screw(M3x5) CBA1327

4 Chassis CNA1852

5 Case CNB2102

6 Shield CNC6809

7 Shield CNC6810

8 Bracket CNC6813

9 Bracket CNC6812

10 Insulator CNM5537

11 Heat Sink CNR1432

12 Amp Unit CWM6208

13 DSP Unit CWM7245

14 Screw IMS30P060FMC

15 Screw BMZ30P060FMC

16 Screw(M3x6) CBA1393

17 Bracket CNC6807

18 Holder CNC6808

19 Connector(CN901) CKM1222

20 Connector(CN902) CKM1244

21 Connector(CN903) CKM1245

22 Plug(CN905) CKS3631

23 Plug(CN906) CKS3631

24 IC(IC901) NJM7805FA

25 IC(IC801) TA8221AH1

26 IC(IC821) PAL001A

27 IC(IC851) TA8225H-LF1

28 Socket(CN51) CKS3632

29 Socket(CN52) CKS3632

* 30 Seal CNM5381

-EXTERIOR SECTION PARTS LIST

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

11 27

2.2 EXTERIOR (GM-8606ZT/E)

GM-8506ZT,8506ZT-91,8606ZT,8606ZT-91

1234

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

DSP UNIT AMP UNIT

GM-8506ZT,8506ZT-91,8606ZT,8606ZT-91

1234

3.2 SCHEMATIC DIAGRAM

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

PARTS LIST”.

TAPE: -1.05dBs

CD: +6.95dBs

TUNER(EW): -9.05dBs

TUNER(UC):-14.05dBs TAPE: -6.85dBs

4.9V

5.0V

4.9V

2.3V

4.9V

7.9V

7.5V

0.4V

1.0V

4.1V

3.4V

3.0V

3.4V

7.8V

7.9V

3.5V 3.5V

3.5V

7.9V

5.0V

2.5V

5.0V

3.8V

7.9V

A-a A-b

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

A-a

Decimal points for resistor

and capacitor fixed values

are expressed as :

2.2 2R2

0.022 R022

←

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.

ADSP UNIT

BAMP UNIT

TAPE: +0.2dBs

CD: +8.2dBs

TUNER(EW): -7.8dBs

TUNER(UC):-12.8dBs

TAPE: +25.15dBs

TAPE: -10.05dBs

CD: -3.55dBs

TAPE: -12.35dBs

CD: -5.85dBs

13.2V

3.8V 5.0V

3.8V 7.9V

7.6V

1.2V

1.8V

13.1V 13.2V

4.1V

13.2V

0.3mH

12.7V

13.2V

7.9V

3.8V

2.5V

3.0V

2.5V

4.9V

7.9V

2.5V

4.9V

4.3V

4.9V

2.5V

4.9V

2.5V

4.9V

2.5V

4.9V

4.3V 7.9V

4.3V

7.9V

5.0V

4.9V

GM-8506ZT,8506ZT-91,8606ZT,8606ZT-91

5678

A-b

GM-8506ZT,8506ZT-91,8606ZT,8606ZT-91

1234

4.9V

5.0V

4.9V

2.3V

4.9V

7.9V

7.5V

0.4V

1.0V

4.1V

3.4V

3.0V

3.4V

7.8V

7.9V

3.5V 3.5V

3.5V

A-a A-b

A-a

GM-8506ZT,8506ZT-91,8606ZT,8606ZT-91

5678

A-a A-b

TAPE: -1.05dBs

CD: +6.95dBs

TUNER(EW): -9.05dBs

TUNER(UC):-14.05dBs TAPE: -6.85dBs

7.9V

3.5V 3.5V

3.5V

7.9V

5.0V

2.5V

5.0V

3.8V

7.9V

A-a

GM-8506ZT,8506ZT-91,8606ZT,8606ZT-91

1234

A-a A-b

ADSP UNIT

TAPE: -10.05dBs

CD: -3.55dBs

TAPE: -12.35dBs

CD: -5.85dBs

7.9V

3.8V

2.5V

3.0V

2.5V

4.9V

7.9V

2.5V

4.9V

4.3V

4.9V

2.5V

4.9V

2.5V

4.9V

2.5V

4.9V

4.3V 7.9V

4.3V

7.9V

5.0V

4.9V

A-b

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