Pioneer GM-9127ZT Bedienungsanleitung

PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.

PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER CORPORATION 2002 K-ZZB. JULY 2002 Printed in Japan

ORDER NO.

CRT2884

POWER AMPLIFIER

GM-9127ZT/EW

Service

Manual

TOYOTA

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

LAND CRUISER Europe August 2002 86280-60340 GM-9127ZT/EW

GM-9127ZT-91/EW

LAND CRUISER Any country or area August 2002 86280-60320 GM-9227ZT/E

except for Japan GM-9227ZT-91/E

GM-9127ZT-91/EW

GM-9227ZT/E

GM-9227ZT-91/E

GM-9127ZT/EW

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

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GM-9127ZT/EW

[ 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.

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.

3
5678
F
E
D
C
B
A
5678
GM-9127ZT/EW
NOTE:
-When diagnosing a product, take care of its heated portion.
Power IC (IC801,802,803)
Power Supply IC (IC901,902)
DSP IC (IC201,251)
Heat Sink
IC Holder
-Supplementally model is identical to the original except for the addition of following items.
Part No.
Description GM-9127ZT-91/EW GM-9227ZT-91/E
Cover CEG1057 CEG1045
Polyethylene Bag Not used CEG1185
Protector CHP2329 Not used
Protector CHP2330 Not used
Carton CHG4144 CHG4865
Contain Box CHL4863 CHL4866
CONTENTS
SAFETY INFORMATION............................................2
1. SPECIFICATIONS .......................................................3
2. EXPLODED VIEWS AND PARTS LIST ......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ....6
4. PCB CONNECTION DIAGRAM................................14
5. ELECTRICAL PARTS LIST........................................22
6. ADJUSTMENT.........................................................27
7. GENERAL INFORMATION.......................................33
7.1 DIAGNOSIS .......................................................33
7.1.1 DISASSEMBLY.........................................33
7.1.2 CONNECTOR FUNCTION DESCRIPTION ......36
7.2 IC ........................................................................37
7.3 EXPLANATION...................................................38
7.3.1 OPERATIONAL FLOW CHART .................38
7.3.2 SYSTEM BLOCK DIAGRAM.....................40
8. OPERATIONS ...........................................................41
1. SPECIFICATIONS
Power source . . . . . . . . . . . . .13.2±0.1V(10.5-16.0V)
Grounding . . . . . . . . . . . . . . . .Negative type
Backup current . . . . . . . . . . . .1.0mA or less
Dimensions(No Bracket) . . . .210mm(W)x60mm(H)x150mm(D)
Weight(GM-9127ZT/EW) . . . .1.985kg
(GM-9227ZT/E) . . . . . .2.086kg
Maximum output power . . . .22W or more(Front)
22W or more(Rear)
22W or more(Woofer)

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GM-9127ZT/EW

2. EXPLODED VIEWS AND PARTS LIST

2.1 EXTERIOR

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GM-9127ZT/EW

1 Screw BMZ30P200FMC

2 Screw(GM-9127ZT/EW) BMZ50P060FMC

3 Screw BSZ26P060FMC

4 Screw BSZ30P060FMC

5 Screw BSZ30P100FMC

6 Chassis CNA2142

7 Case CNB2563

8 Shield Case CNC8185

9 Shield Case CNC8186

10 Bracket(GM-9127ZT/EW) CNC8919

11 Bracket(GM-9127ZT/EW) CNC8920

12 Insulator CNM6145

13 Seal CNM6686

14 Cushion(GM-9127ZT/EW) CNM7009

15 Seal CNM7170

16 Seal CNM7305

17 Heat Sink CNR1566

18 DSP Unit CWM8080

19 Socket(CN102) CKS3632

20 Socket(CN101) CKS4241

21 Amp Unit CWM8081

22 Screw BPZ30P060FSN

23 Screw BSZ26P080FMC

24 Connector(CN902) CKM1308

25 Connector(CN901) CKM1310

26 Plug(CN906) CKS4240

27 Plug(CN905) CKS4242

28 Holder CNC8187

29 Bracket CNC8681

30 Sheet CNM7015

31 Bracket(GM-9227ZT/E) CND1093

32 Holder(GM-9227ZT/E) CND1355

33 IC(IC902) BA178M05T

34 IC(IC801) PAL006A

35 IC(IC802) PAL006A

36 IC(IC803) PAL006A

37 Screw(GM-9227ZT/E) BMZ50P060FMC

38 Cushion CNM7756

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.)

-EXTERIOR SECTION PARTS LIST

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

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GM-9127ZT/EW

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

IC251

PD2061A

IC181

AK5351VF

IC261

AK4321VF

IC351

PM0017AM

IC101

IC131

S-80730ANDT

IC902

BA178M05T

IC901

NJM2930F08K

Q904

Q906

Q912

Q909

Q903

5V REGULATOR

8V REGULATOR

SYSTEM

POWER SWITCH

5V REGULATOR

AUDIO INPUT

BUFFER

INPUT

CONNECTOR

OUTPUT

CONNECTOR

IC501

NJM2068MD

IC903

M51957BFP

IC703

NJM2068MD IC803

PAL006A

SUB WOOFER

POWER AMP

SUB WOOFER

OPE AMP

REAR

POWER AMP

FRONT

POWER AMP

FRONT-L

OPE AMP

REAR-L

OPE AMP

IC701

NJM2068MD

IC702

NJM2068MD

PEE

11 9

11 7

SYS4

STBY1

BU1

L901

B.U

WFL- WFL+

IC802

PAL006A

IC801

PAL006A

RL- RL+

FL+

FL-

CN901

L- L+

TMUT

MUTE

(H/U MUT)

ACC

Q915

718

A/D

ACC1

BU1

ASENS

BSENS

Q155

Q151

N-MU

NMUT

Q171

NAVIMUTE 79

RESET

RESET 92

SYSTEM CONTROLLER

SYSPW1

SYS5SYSD5 1

17 2

SYSA5

AVDD

DVDD

16 3SYS8

SYS8

Q161

SYSPW1

Q910

Q911

STBY1

Q801

Q802

Q803

PMUT

MUTEO

MUTO

MUTE

MUTIN

MUTI

Q175

SMUTEIN

Q913

PWSENS 65

MUTE

/STBY

MUTE

VDD5VDD5

VDD

PEE

11 8

PEE 21

NMUT1

NAVI/MUTE

ACC SENSE

BACK UP SENSE

SYSTEM MUTE

PEE

SYSP1

CN906

CN101

CN905

CN102

FS 514

CN902

ELECTRONIC

VOLUME

IC401

NJM2068MD

Q401

MIC

MIC401 VR401

ASLIN2

ASLIN1

IC402

NJM2068MD

ASL 8

IC141

HA12187FP

BUS DRIVER

AVCIN

AVCOUT

AVCPW

715 4

DSP

10 12

XOUT

XIN

IC281

AK4321VF

IC291

AK4321VF

IC311

NJM2068MD

IC331

NJM2068MD

IC341

NJM2068MD

FRONT DAC

IC231

TC7WU04F

IC241

TC7W74FU

CRYSTAL

OSCILLATOR

REAR DAC

WOOFER DAC

FRONT LPF

REAR LPF

WOOFER LPF

16 83

17 15

19 18 16

RLO RLIN

FLO FLIN

WFO WFIN

(ML-) (ML+)

(TWLP)

(TWLM) (TWLM)

(RLM)

(RLP)

(FLM)

(FLP)

AINL+

AINL- SDATA SDI1

SDO1

SDO0

SDO2

SDI0

SDI1

SDO1

SDO2

(FDATA)

(WDATA)

(RDATA)

VCC

(256FS)

CK D

XTI

SDATA AOUTL

XTI

SDATA AOUTL

XTI

SDATA AOUTL

IN1

IN3

IN5

OUT3

OUT1

OUT5

(FSW)

Q833

Q832

Q831

Q950

ADSP UNIT AMP UNIT

19 SDI0

Q291

DSPERR

AOUTR

SYS4

PMUT

STBY1

PMUT

Q101

(ASL1)

(ASL2)

SPD

(SPD)

Q907

10 9SPD1SPD1

SPEED SENSOR PULSE

15 SPEED

IC201

PD2061A

6 TXH TXP1

TX+

OFFSET SENSE

PD5724B

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GM-9127ZT/EW

1234

GM-9127ZT/EW

A-aA-a A-bA-b

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

DSP UNIT

AMP UNIT

POWER AM

-12.8dBs

-20.0dBs

3.2 SCHEMATIC DIAGRAM (GUIDE PAGE)

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GM-9127ZT/EW

A-b

A-a A-b

A-b

A-a

A B

PD5724B

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.

-11.8dBs

+13.2dBs

-26.4dBs

-19.2dBs

-14.2dBs

CD 1kHz -20dB PLAY

(VOL:MAX, TONE:FLAT)

1234

GM-9127ZT/EW

A-a A-b

A-a

A-b

12 3

PD572

DSP UNIT

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