SERVICE MANUAL

MONO POWER AMPLIFIER

1 / 05-A68E37841S01

MRD-M1005

<Cautions for Safe Repair Work> The following cautions will prevent accidents in the workplace and will ensure safe products. *The symbols indicate caution is needed to prevent injuries and damage to property. The symbols and their meanings follow.

*The following symbols indicate two levels of cautions.

When you see this symbol, you have to be very careful.

When you see this symbol, you have to follow the instructions there.

Do not look squarely into the laser light Fuse Cautioncoming from the pickup. Always use a designated fuse.You may loose you sight. Use of an incorrect fuse may result in a fire.

Do not allow wiring to be caught in the Battery Cautionscrew/chassis. Use the designated battery.If wiring is caught in the screw/chassis, it may Confirm the correct polarity and seat of thecause a short circuit, resulting in a fire. battery.

An incorrect battery or an improperly connectedor seated battery may result in a fire.

High Temperature Caution Designated Parts CautionTouching the heat sink may cause severe burns. Look up the part list and ensure that only

designated parts are used to prevent problems oraccidents.

Reverse Power Supply Connections or Wiring CautionMisconnections Caution Ensure that the wiring is correct when rewiring to Reverse power supply connections or prevent problems with ignition/breakdown.misconnections may cause ignition problems andsmoke may result.

Soldering Caution Wear GlovesHot solder from solder splash may cause severe Wear gloves to prevent electrical shocks or injuryburns. from the end face of the metal.

If you ignore this symbol and handle the product incorrectly or unsafely,injury or only material damage may result.

If you ignore this symbol and handle the product incorrectly or unsafely,serious injury or death may result.

Warning

Caution

Warning

Caution

MRD-M1005

Contents

Packing Assembly Parts List 4

Packing Method View 4

Specifications 5

Extension Cable 6

Block Diagram 7

Parts Layout on P.W.Boards and Wiring Diagram 8 to 10

Schematic Diagram 11 to 15

Terminal Voltage of IC/TR 16 to 20

Description of IC Terminal 21

Exploded View (Cabinet) 22

NOTE : Due to continuing product improvement, specifications and designs are subject to change without notice.

MRD-M1005

Packing Assembly Parts List

Part No. Part No.

101-1 03E36238S01 SCR,M4X20 TPG1101-2 03E36690S01 WRENCH,2.5X2.9101-3 03E36692S01 WRENCH,4X4.6

#1 102 68-02278Z44 OWNER'S MANUAL$1 102 68-02278Z45 OWNER'S MANUAL

$1 102 68-02278Z46 OWNER'S MANUAL

NOTE:#1:For North American Model Only,$1:For General Foreign Model Only,Others:Common.

Packing Method View

DescriptionNo. No.

Symbol SymbolDescription

X4

101 -1

101 -2101 -3

102

Specifications

Power Output ................................................................................. 20Hz/100Hz, 4ohm, 1.0% T.H.D.(14.4V) : 500W 20Hz, 2ohm, 1.0% T.H.D.(14.4V) : 900W 100Hz, 2ohm, 1.0% T.H.D.(14.4V) : 1,000WT.H.D. (100Hz, 400W/4ohm(14.4V), Display Gain position -12dB(0.5V)) .......................................................... 1.0%Residual Noise (Ref.Output 500W/4ohm, Input Short, Display Gain position -12dB(0.5V)) ............................. 40mVS/N Ratio (Ref.Output 500W/4ohm, Input Short, Display Gain position -12dB(0.5V)) ....................................... 80dBFrequency Response (Ref.Output 500W/4ohm, Ref.100Hz 0dB) ..................................................... 20Hz : -0.5±2dB 200Hz : -3.0±2dBOutput Offset Voltage (No Signal) ................................................................................................................. ±150mVRemote On Voltage (1W Output) .................................................................................................................... 6.5±1VCurrent Drain ..................................................................................................................................... No Signal : 2.7A 10% T.H.D., 2ohm Load : 170A Remote Current Drain : 0.53±0.2mA Back Up Current Drain : 1.2mAInput Sensitivity (Ref.) (Ref.Output 500W/4ohm) ........................ Gain position 0.1V : RCA Input Level : 0.15V±2dB Gain position 0.2V : RCA Input Level : 0.24V±2dB Gain position 0.3V : RCA Input Level : 0.30V±2dB Gain position 0.4V : RCA Input Level : 0.47V±2dB Gain position 0.5V : RCA Input Level : 0.60V±2dB Gain position 0.7V : RCA Input Level : 0.75V±2dB Gain position 1.0V : RCA Input Level : 0.95V±2dB Gain position 1.5V : RCA Input Level : 1.50V±2dB Gain position 2.5V : RCA Input Level : 2.70V±2dB Gain position 4.0V : RCA Input Level : 4.0V±2dB Gain position 8.0V : RCA Input Level : 8.4V±2dBPre-Out Level at 1.0V Input (Ref.) ............................................................................................................... 1.0V±2dBInput Impedance (Ref.) ....................................................................................................................... 100k ohm±10%Fuse Requirement ................................................................................................... 20A(Peak) x 4 (For Battery Line)Power Source ............................................................................................................................ DC14.4V (11 to 16V)Dimensions (W x H x D) ............................................................................................................. 360 x 60 x 227.8mmWeight ................................................................................................................................................................ 5.1kg

NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.

MRD-M1005

MRD-M1005Extension Cable

*Always connect the Extension Cable when making checks of voltage and repair.

CB101CB701

LCD P.W.BoardMAIN P.W.Board VOLUME P.W.Board

CB226

(1)

(2)

(1) 01V37827S01(2) 01E37823S01

MRD-M1005

Block Diagram

INPUT-L (+)

INPUT-R

CE,DI,CL

(-)PREOUT-L

AD Freq

PREOUT-R MUTE Freq Out Thrm

I Limit2nd Voltage Detect

SCK,Si Pow P3SO

CE,DI,CLK,INH Pow P1

AD KEY

Pow P2

AD VOLT

AD THRM DET

AD THRM

BATT

REMOTE

GND

InputBuffer

InputBuffer

Input Iso.VOL,LEVEL, BASS-EQ

SubSonicOFF/15/30Hz Buffer

FET

FET

FET

FET

FET

FET

FET

FET

LC Filter

LC Filter

AMP-LINK

LCD

KEY 5V

Thermal DetectTrans

EEPROM

BATT Detect RESETu-Com

+5V

uPC494DeadTime

Internal Temp5V

OUTPUT Current Detect

OUTPUT Thermal Detect

FAN12V/9V/Off

2nd Voltage Detect

Analog +/-15VPower PWM +/-5VPower Driver -33V(+12V)

uPC494 +9V

GAINLIMIT

Display +5V

±VCC : +/-45VTRANS (3T:10T)

LED ON/OFF(LCD Back Light Blinking)

OUTPUT(+)

OUTPUT(-0

PREOUT

LPF30-200Hz12/24dB

PWM Driver

PWM Driver

u-Com

Analog +9VLED ON/OFFFAN +B_SW

Voltage Detect

Q940Q941

Q942

Q943

Q944Q945

Q946

Q947

Q401

Q402

Q403

Q404

Q405

Q406

Q407

Q408

E303

E302

E301

E109

E108

E107

D937

E106

D936

E105

D935

E104

D934

E103

D933

E102

D932

E101

D931

Q110

3

Q1102

Q1101

IC909

C110

1

IC908

IC90

6

IC905

IC90

1

IC506 IC50

5

IC50

4

IC310

IC50

3

IC50

2

IC50

1

IC309

D905

IC30

8

D904

D903

IC30

7

D902

IC306

D901

IC305

IC304

IC303

IC30

2IC

301

IC104

IC103IC102

ZD80

2

IC101

ZD80

1

D501

C945

C943

D307D306

D305

D304

D303

C937

C936

C935

C934

R963

R961

R960

TP427TP426

R957

TP616

R956

R955

R954

R953

E856

TP611

E855

E854

E853

E852

E851

R949

TP607

TP606

TP605

C521

HL934

C520

HL933TP602

HL932HL931

VR30

2

C326

VR30

1

C519

C325

C518

C324

C517

C323

C516

C322

C515

C514

C513

C511

R934

C510

R933

R931

C318

C317

C509

C508

C314

C507

C506

R542

C311

C505

R541

R540

C310

C504

C501

C117C116

R346

R539

C309

C115

C308

C114

R538

C307

C113

R537

C306

C112

R536

C305

R535

R341

R534

R340

R533

R532

R531

Z110

1

R530

R339

R338

R337

R529R528

R527

IC852

R526

IC851

R525

R524

R523

R522

R521

R520

Z606

R519

E804

R518

E803

R517

R516

E802

R515

E801

R514 R513

R512

R511

R510

E412

R126

E411

R125

E410

R124

R317

R123

R316

E601

R509

R507

D852

E409

R505

E408

R504

E407

R503

E406

R502

E405

R501

E404

E403

E402

R116

E401

R115

R114

R113

R112

R111

E207

E206

E205

E204

E203

E202

E201

Q937

Q935

Q932

ZD932

JK101

ZD93

1

TH881

IC803IC802

IC60

3

IC60

2

IC60

1

T402

T401

Q902Q901

D802

D801

ZD90

4

ZD90

3

ZD902

ZD901

IC201

Q702

D410

D409

D408

Q310

D407

D404

D403

D402

TP545

D401

Q309

TP544

TP543TP542

Q306

TP541

TP540

Q304

Q303

Q302

Q301

C457

C456

TP539

C455

CB701

TP538

C454

TP537

C453

TP536

C452

TP535

ZD301

C451

TP534

C450

TP533TP532

TP531TP530

C449

C448

C447

TP529TP528

TP527TP526

TP525TP524TP523

TP522TP521

TP903 TP902

TP519

TP901

TP518TP517

TP516

CB101

TP515

TP514TP513

TP512TP511TP510

Z937

E947

Z936

E946

E945

E944

Z933

E943

E942

TP509

TP508

E940

TP507

TP506TP505

CL50

1

TP504

C420

TP503TP502

C806

TP501

C805

E939

E938

C804

E937

C803

E936

E935

C419

E934

C418

E933

C417

E932

C416

R451

E931

C415

R450

C608

C414

C607

C413

C606

C412

C411

C410

R449

R830

R448

R446

C409

R445

C408

C407

C406

R829

C405

C404

R828

C403

R827

C402

R826

C401

R825R8

24R823R822

R821

R820

E915

E914

E913E912

E911

R819

E910

R818

R817

R816

Z515

R815

R814R813

R812

E909

R811

E908

R810

E907

E905

R422

E901

R809

R421

R808

R420

T936

T935

R419

IC11

01

T934

T933

R1107

T932

R110

6

R222

T931

E701

R110

5

IC93

4

R110

4

IC93

3

IC93

2

E316

IC931

R110

1

E315

E314

E313

E312

E311E310

E309

R211

E308

E307

ZD85

2

Z102

E306

ZD85

1Z101

E305

E304

E110

Orange Color Pattern:Component Side PatternBlue Color Pattern:Foil Side Pattern

MRD-M1005Parts Layout on P.W.Boards and Wiring Diagram(1/3)

MAIN P.W.Board (Component Side View)

EB

B E

F933 F934F932F931

AFrom LCD P.W.Board ( )

112To CB701

From VOLUME P.W.Board (CB226)

141To CB101

21 13

62

12 7

712

2 6

4 5

13

13

43

1 5

B

E

E

B

BEB

E

3

1

3 1

54

BE

E

BB

E

3

1

31

3

1

10

16 1

8

1 8

1016

DS

DS

DS

SD

DDDD SSSS

13

54

45

31

EB

BE B

BE

E

1

2

3

4

5

A F GEDCB

R209

R208

R207

IC907

IC90

2

TP862TP861

TP860 TP859TP858

TP857

TP856TP855

TP854

TP85

3

TP852

C962

TP851

C961

C960

C959 C958

C957

R993

C956

R992

C955

R991

C954

R990

C953

Z882

C952

Z881

C951

C950

R989

R988

R987 R986

C949

R985

C948

R984

C947

R983

C946

R982

R981

C944

R980

C942

C941

C940

D302

D301

R979

R978

R977

R976

C939

R975

C938

R974

R973

TH93

2

R972

TH931

R971

D104

R970

C933

D103

C932

D102

C931

D101

R969 R968

R967

R966

R965 R9

64

TP818

TP817

R962

TP816

TP815

TP814

TP813

R959

TP425

R958

TP424

TP423

TP422

TP61

5

TP421

TP614

TP613

R952

TP612

R951

C915

R950

C914

TP610

C913

C912

TP419

C910

TP418

TP417

TP416

TP60

9

TP415

R948

TP608

TP414

R947

TP413

R946

TP412

R945

TP604

R944

C908

TP603

R943

R942

TP601

R941

C905

R940

C904

C903C902

C901

TP409

TP408

TP407

TP213

TP406

TP212

R939

TP405

TP211

C321

R938

C320

TP40

4

TP210

TP40

3TP

402

C512

R935

TP40

1

TP1104

TP1103

R932

TP1102

C319

TP11

01

C316

C315

C313

TP203

C312

TP201

C118

R345R344

R343

C111

C304

C110

C303

C302

C301

C109

C108

C107

R913

C106

R912

R336

C105

R911

R335

C104

R334

R910

C103

R333

C102

R332

C101

R331

R330

R908

R907

R906

Z605

R905

R329

Z604

R904

R328

Z603

R903

R327

R902

R326

Z601

R901

R325

R324R323

R322

R321

R320

R702

R701

R319

R318

R122

R315

R121

TP99

9

R314

R120

TP99

8

R508

R313

TP99

7

R312

TP996

R506

D851

R311

TP995

R310

TP99

4TP

993

TP992

R119

TP991

R118

TP99

0

R117

L931

R309

R308

R307

R306

R305

TP98

9

R304

R110

TP988

R303

TP987

R302

TP986

R301

TP985

TP984TP983TP98

2

Q939

R109

TP98

1

Q938

R108

TP980

R107

R106

Q936

R105

Q934

R104

Q933

R103 R102

Q931

R101

TP979

TP978TP977

TP976

TP975

TP974

TP973

TP972TP971TP970

TP969

TP968

TP967

TP966TP965

C881

TP964

TP963

TP962

TP961

TP960

TP959

TP95

8TP

957

TP95

6

TP955

TP954

TP953

TP95

2

TP951

TP95

0

TP949

TP948

TP94

7

Q701

C856

TP93

9

C855

C854

C853 C852

C851

SD60

1

Q308

Q307

R882

R881

Q305

TP92

2

TP92

1

TP920

R878R877R876R875

R874

R873 R872

TP91

9

R871

TP91

8

R870

TP91

5

TP913

C446

TP912

TP335

C445

TP91

1

R869

TP910

R868

TP334

R867

TP333

R866

TP332

R865

R864

C440

R863

R862

R861

R860

TP520

TP713TP712

TP71

1

C439

TP71

0

C438

C437

C436

R859

C435

TP1028

R858

C434

TP1027

R857

C433

TP323

TP10

26

R856

C432

TP322

TP1025

R855

C431

TP321

TP709

TP1024

R854

TP70

8

C430

TP320

TP1023

R853

TP70

7

TP1022

R852

TP706

TP1021

R851

TP70

5

TP10

20

TP70

4TP

703

TP70

2

C429

TP70

1

TP319

C428

TP318

C427

TP317

Z932

C426

TP316

Z931TP

1019

C425

TP315

TP1018

C424

TP314

C423

TP10

17

TP313

C422

TP10

16

TP312

C421

TP10

15TP

1014

TP310

TP1013TP1012TP1011

TP1010

TP11

7

TP116

TP115

TP309

TP114

TP308

TP113

TP307

TP112

TP306

C609

TP11

1

TP1009

TP305

TP11

0

TP10

08

TP304

TP1007

TP303

TP30

2

TP1006

TP30

1

TP1005

C604

TP10

04

C603

TP10

03

C602

TP1002

C601TP109

TP1001

TP10

8

TP1000

TP10

7

TP10

6

TP10

5

TP10

4

TP10

3TP10

2

TP101

Q881

Z909 Z908

Z907

Z906

Z710

Z901

Z709

Z707

Z706

Z705

Z704

Z703

Z702

Z701

R424

R423

R418

R417

R416

R415

R221

R414

R607

R413

R606

R412

R605

R411

R604

R410

R603

Q857

R602

Q856

R601

Q855

Q854 Q853

Q852

Q851

R409

R408

R407

R406

R405

R404

R403

R402

R401

Orange Color Pattern:Component Side PatternBlue Color Pattern:Foil Side Pattern

MRD-M1005Parts Layout on P.W.Boards and Wiring Diagram(2/3)

MAIN P.W.Board (Foil Side View)

3

1

E

B

B E

E B

E

BE

B

BE E B

E

B

E B

BE

4 5

13

E B

B E

B

B B

B

E

EE

E

1

2

3

4

5

A F GEDCB

R206

R205

R204

R203 R202

R201

TP228

TP227

TP226

TP22

4

TP223

TP222TP221

IC226

IC225

IC224

IC223

IC222

IC221

C247

C246

C245

C243

C241

C239

C238 C2

36C233

C232

C231 C230

C229

R250

R249

R248

R247

R246

R245R244

R243

C201

R239

R238

R237

R236

R235

R233

R232

R231

R230

R229

R228

R227

R226

R225

R224R223 R222R2

21

TP774

TP773

TP772

TP771

TP770

TP769TP768TP767TP766

CB721

TP727

TP726TP725

TP724TP723

TP722

TP721

SW222 SW221

ZD22

2

ZD22

1CB226

E226E225

E224E223

E222 E221

VOL2

VOL1

C240

C237C235 C234C228

C227

C226

C225

C224

C223

C222

C221

IC721

C723

C722C7

21

R733

R732R731R730R729

R728

R726R725R724

R723

R722

R721

SW723SW722SW721

Q721

ZD72

1

LD72

3LD

722

LD72

1

CB72

3

CB72

2

TP133

TP132

TP131

TP130

TP129

TP128

TP127

TP126

TP125

TP124

TP123

TP122

TP121

TP120

TP119

TP118

TP117

TP116

TP115

TP114

TP113

TP112

TP111

LUG721

TP110

TP109

TP108

TP107

TP106

TP105

TP104

TP103

TP102

TP101

E721

Orange Color Pattern:Component Side PatternBlue Color Pattern:Foil Side Pattern

VOLUME P.W.Board(Foil Side View)

LCD P.W.Board(Foil Side View)

MRD-M1005Parts Layout on P.W.Boards and Wiring Diagram(3/3)

VOLUME P.W.Board(Component Side View)

LCD P.W.Board(Component Side View)

A

From MAIN P.W.Board (CB701)

121To

A

From

MA

IN P

.W.B

oard

(C

B10

1)

114

To C

B22

6

BLK

RE

DM

M72

3M

OTO

R,F

AN

12V

-110

mA

21

To C

B72

31

2

21

MO

TOR

,FA

N 1

2V-1

10m

AM

722

MB

LKR

ED

To C

B72

21

2

1

2

3

4

5

A F GEDCB

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MRD-M1005

Terminal Voltage of IC/TR

1 0.02 1 0.02 1 0.022 0.02 2 0.02 2 0.023 0.02 3 0.02 3 0.024 -15.55 4 -15.55 4 -15.245 0.02 5 0.02 5 0.026 0.02 6 0.02 6 0.027 0.02 7 0.02 7 0.028 15.58 8 15.57 8 15.24

1 0.00 1 0.00 13 4.48 25 NC2 0.00 2 0.00 14 NC 26 NC3 0.00 3 0.00 15 NC 27 NC4 15.24 4 NC 16 NC 28 NC5 0.00 5 NC 17 NC 29 NC6 0.00 6 4.50 18 4.48 30 NC7 0.00 7 4.50 19 4.50 31 NC8 15.24 8 4.50 20 NC 32 NC

9 4.50 21 NC 33 NC10 4.50 22 NC 34 NC11 4.47 23 NC 35 0.0012 0.00 24 NC 36 0.00

1 0.01 1 0.00 1 0.022 0.01 2 0.00 2 0.023 0.01 3 0.01 3 0.034 -15.29 4 -15.43 4 -15.345 0.01 5 0.01 5 0.036 0.01 6 0.00 6 0.037 0.01 7 0.00 7 0.038 15.34 8 14.48 8 15.38

1 0.01 1 0.01 1 0.032 0.04 2 0.01 2 0.033 0.01 3 0.01 3 0.034 -15.35 4 -15.33 4 -15.405 0.01 5 0.03 5 0.016 0.01 6 0.03 6 0.017 0.01 7 0.03 7 0.018 15.39 8 15.33 8 15.39

IC101 IC102 IC103

IC104 IC201

IC221 IC222 IC223

IC224 IC225 IC226

MRD-M1005

1 5.00 1 5.00 1 -32.24 8 NC2 0.00 2 0.00 2 -38.44 9 -43.913 0.00 3 0.00 3 -38.44 10 -38.534 -4.95 4 -4.95 4 -37.58 11 -38.545 0.00 5 0.00 5 -37.59 12 -38.436 1.58 6 1.54 6 -38.44 13 -38.527 5.01 7 5.01 7 -43.92 14 -32.028 5.00 8 5.00

1 -43.91 8 NC 1 -38.59 8 -37.582 -38.49 9 -43.91 2 -38.47 9 -37.603 -37.65 10 -38.56 3 -40.31 10 -39.004 -37.61 11 -37.60 4 -39.00 11 -40.285 -38.45 12 -37.60 5 -37.57 12 -38.466 -38.45 13 -38.45 6 -37.52 13 -38.547 -38.04 14 -32.11 7 -43.86 14 -32.09

1 -39.95 9 NC 1 -39.98 9 NC2 -43.96 10 NC 2 -42.96 10 NC3 -32.43 11 -32.42 3 -32.43 11 -32.424 NC 12 -40.40 4 NC 12 -40.425 NC 13 -43.61 5 NC 13 -43.546 0.00 14 -39.15 6 0.00 14 -39.167 10.69 15 -43.97 7 10.72 15 -43.968 2.75 16 NC 8 2.72 16 NC

1 4.97 1 4.97 1 4.992 4.97 2 5.01 2 4.493 0.00 3 0.00 3 0.014 0.01 4 0.01 4 NC5 5.01 5 5.01 5 0.01

1 0.00 12 0.35 23 4.97 34 4.982 2.11 13 0.03 24 4.97 35 4.983 2.28 14 4.97 25 0.01 36 0.004 0.00 15 0.00 26 4.97 37 0.015 4.98 16 0.00 27 4.96 38 0.016 4.98 17 0.03 28 3.56 39 0.017 4.98 18 4.97 29 0.02 40 0.018 4.94 19 4.88 30 1.46 41 0.429 4.99 20 4.97 31 4.97 42 0.10

10 4.97 21 0.01 32 4.97 43 0.0811 0.36 22 0.01 33 4.97 44 4.98

IC302

IC502

IC303

IC304 IC305

IC307 IC308

IC309 IC310 IC501

IC301

MRD-M1005

1 0.00 1 NC 1 4.95 8 NC2 0.01 2 0.00 2 0.01 9 NC3 0.01 3 1.50 3 0.01 10 0.014 0.01 4 4.98 4 4.98 11 0.015 4.97 5 0.00 5 4.94 12 0.016 4.97 6 NC 13 0.017 0.01 7 4.94 14 4.958 4.97

1 NC 1 0.00 1 4.972 4.97 2 0.00 2 4.973 0.00 3 4.97 3 0.024 0.01 4 0.00 4 0.015 4.95 5 0.00 5 0.01

6 4.96 6 NC7 0.00 7 0.018 0.00 8 4.97

1 14.35 9 4.96 9 4.972 0.00 10 4.97 10 4.943 8.84 11 0.00 11 NC

12 0.00 12 NC13 4.97 13 4.9414 4.97 14 4.96

1 NC 17 2.42 33 2.42 49 NC2 NC 18 0.76 34 2.42 50 NC3 NC 19 2.41 35 2.42 51 NC4 NC 20 2.41 36 1.50 52 NC5 NC 21 2.41 37 2.41 53 NC6 NC 22 2.42 38 2.42 54 NC7 NC 23 2.42 39 NC 558 NC 24 0.67 40 NC 56 4.909 2.42 25 2.42 41 NC 57 4.99

10 2.42 26 2.42 42 NC 58 4.9011 2.42 27 2.72 43 NC 59 0.0312 2.42 28 2.42 44 NC 60 0.0013 0.71 29 2.42 45 NC 61 0.0014 0.69 30 2.42 46 NC 62 0.1015 2.42 31 2.42 47 NC 63 1.7016 2.42 32 2.42 48 NC 64 1.71

1 4.99 1 0.11 1 0.112 -34.90 2 4.67 2 4.683 -34.25 3 2.11 3 2.104 -43.86 4 0.00 4 0.005 -34.26 5 2.32 5 2.116 -34.87 6 4.63 6 4.657 4.96 7 0.11 7 0.118 -4.78 8 4.97 8 4.97

IC503 IC504

IC506

IC505

IC603

IC601 IC602

IC802 IC851 IC852

IC721

MRD-M1005

1 4.96 1 0.00 1 9.002 0.00 2 6.98 2 0.003 14.35 3 0.01 3 13.44

4 NC5 0.01

1 0.00 1 9.02 1 5.012 9.01 2 0.01 2 0.003 5.02 3 0.00 3 15.25

1 0.00 1 8.90 1 2.222 -15.35 2 0.00 2 1.723 -4.95 3 14.38 3 2.18

4 0.005 1.686 3.44

1 NC 1 NC 7 0.002 2.22 2 2.22 8 8.903 0.01 3 0.01 9 2.204 2.21 4 2.21 10 2.215 2.57 5 2.58 11 8.906 8.90 6 8.90 12 8.907 2.58 7 2.59 13 5.038 NC 8 NC 14 5.03

15 5.0316 0.00

1 0.412 0.003 4.924 0.015 0.016 4.977 0.018 4.98

IC901 IC902 IC905

IC906 IC907 IC908

IC1101

IC909 IC931 IC932

IC933 IC934

MRD-M1005

FET G D S TR E B C

Q401 -40.52 -0.01 -43.93 Q301 -4.92 -4.96 -1.56Q402 2.18 45.62 -0.01 Q302 -4.92 -4.96 -1.54Q403 2.11 45.62 -0.01 Q303 -1.58 -.08 -0.-38.24Q404 -40.52 -0.01 -43.93 Q304 -1.55 -.08 -38.23Q405 -40.51 -0.01 -0.01 Q305 5.01 -43.63 4.97Q406 2.19 45.62 -0.01 Q306 -32.39 0.00 -31.84Q407 2.13 45.62 -43.94 Q309 5.01 4.98 0.02Q408 -40.61 -0.01 0.00 Q310 5.01 4.98 0.02Q940 2.54 14.40 0.00 Q701 1.85 1.83 1.85Q941 2.52 14.40 0.00 Q702 4.98 4.90 4.30Q942 2.54 14.40 0.00 Q721 0.01 0.36 2.83Q943 2.54 14.40 0.00 Q851 0.00 4.98 0.10Q944 2.53 14.40 0.00 Q852 0.00 4.98 0.11Q945 2.52 14.40 0.00 Q853 0.00 4.98 0.10Q946 2.54 14.40 0.00 Q854 0.00 4.98 0.11Q947 2.54 14.40 0.00 Q855 0.00 4.97 0.00

Q856 -43.95 -43.96 -43.27Q857 0.00 0.00 0.69Q881 0.00 0.01 0.77Q901 15.25 45.50 15.85Q902 -15.28 -43.96 -15.86Q931 0.00 0.13 0.73Q932 14.38 14.35 13.65Q933 5.03 0.00 4.78Q934 0.00 0.02 0.65Q935 14.38 14.22 13.66Q936 0.00 0.02 0.65Q937 14.39 14.39 13.74Q938 0.00 0.10 0.66Q939 0.00 5.03 0.01

Q1101 0.00 15.35 0.02Q1102 0.01 14.35 0.02Q1103 14.35 0.00 14.34

[Measuring Conditions] 1.Power Supply Voltage : DC 14.4V 2.Measuring Meter : Digital Multi Voltmeter 3.Measuring Point Reference : Between GND 4.Measuring Condition : No Signal Input

MRD-M1005

Description of IC TerminalTMP86PM47AUG : IC502

No. Symbol I/O Terminal Description

1 VSS I GND connect terminal.

2 XIN I

3 XOUT O

4 TEST I TEST terminal.

5 VDD - Power supply terminal. (4.5 to 5.5V)

6 I2C_SDA O I2C_SDA output terminal.

7 I2C_SCL O I2C_SCL output terminal.

8 RESET I RESET terminal.

9 BAT_DET I BAT-DET terminal.

10 I_LIMIT I I_LIMIT input terminal.

11 FAN1 O FAN power supply control terminal. (9V)

12 FAN2 O FAN power supply control terminal. (12V)

13 NC(PULL-DOWN) - Pull-down connect terminal.

14 CMD_DOUT O AMP LINK data output terminal.

15 CMD_DIN I AMP LINK data input terminal.

16 CMD_CLK I AMP LINK clock terminal.

17 NC(PULL-DOWN) - Pull-down connect terminal.

18 POWER_P1 O Power supply circuit control signal output terminal -1.

19 POWER_P2 O Power supply circuit control signal output terminal -2.

20 POWER_P3 O Power supply circuit control signal output terminal -3. (for LCD circuit)

21 FREQ1 I Subsonic 15Hz input terminal.

22 FREQ2 I Subsonic 30Hz input terminal.

23 VOL_DET I VOL-DET terminal. (Secondary voltage, DC-OFFSET)

24 6dB_DOWN I -6dB temperature detection input terminal.

25 OUT_THRM I Output Thermal detect terminal.

26 AD_KEY I KEY level input terminal.

27 AD_FREQ1 I Frequency signal input terminal.

28 AD_VOLT I Voltage signal input terminal.

29AD_FREQ2

(PULL-DOWN)- Pull-down connect terminal.

30 AD_THRM I Temperature signal input terminal.

31 AD_THRM_DET I Temperature detection input terminal.

32 LED O LED (Back Light) ON output terminal.

33 MUTE O MUTE output terminal.

34 VAREF - Analog reference power supply terminal for A/D converter.

35 AVDD - Power supply terminal for A/D converter.

36 AVSS - Analog reference GND terminal for A/D converter.

37 VOL_CE O E-VOL chip enable terminal.

38 NC(PULL-DOWN) - Pull-down connect terminal.

39 VOL_CL O E-VOL synchronous clock terminal.

40 VOL_DI O E-VOL transmission data terminal.

41 LCD_CE O LCD driver chip enable terminal.

42 LCD_DI O LCD driver transmission data terminal.

43 LCD_CLK O LCD driver synchronous clock terminal.

44 LCD_INH O LCD driver INH terminal.

Crystal OSC connect terminal.

14X4

20X3

14X2

20X4

15X12

14X2

15

12

19

19

19

19

15

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23

27

26

25

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p

p

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VOL1

SW222 SW221

MRD-M1005Exploded View (Cabinet)