Alpine MRPM-350 Service manual

MRP-M350

SERVICE MANUAL

MONO POWER AMPLIFIER

MONO POWER AMPLIFIER

MRP-M350

2 / 03-A
68E35049S01

TO ALPINE Home

<Cautions for Safe Repair Work>

r

s

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.

Warning

Caution

*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.

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

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

Warning

Do not look squarely into the laser light
coming from the pickup. Always use a designated fuse.

You may loose you sight. Use of an incorrect fuse may result in a fire.

Caution

Do not allow wiring to be caught in the Battery Caution
screw/chassis. Use the designated battery.

If wiring is caught in the screw/chassis, it may Confirm the correct polarity and seat of the
cause a short circuit, resulting in a fire. battery.

Fuse Caution

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

High Temperature Caution Designated Parts Caution

Touching the heat sink may cause severe burns. Look up the part list and ensure that only

designated parts are used to prevent problems or
accidents.

Reverse Power Supply Connections o
Misconnections 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 and
smoke may result.

Soldering Caution Wear Glove

Hot solder from solder splash may cause severe Wear gloves to prevent electrical shocks or injury
burns. from the end face of the metal.

Wiring Caution

Contents

Cabinet Assembly Parts List

Electrical Parts List

Packing Assembly Parts List
Packing Method View
Specifications
Block Diagram
Parts Layout on P.W.Boards and Wiring
Schematic Diagram
Terminal Voltage of IC/ TR
Description of IC Terminal
Exploded View (Cabinet)

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

Packi ng Assembly Parts List

TO CONTENTS

Symbol Description

No.

101
102
103
104
105

Part No. Part No.

03E34961S01 SC R,M4X20 TPG1(BLK)
03E34955S01 SC R,M3X10(B)MCH(BLK)
15E34956S01 COVER,RCA
75E27927S01 HOUSING RUB BER-D
75E22439S01 HOUSING RUB BER-B

Symbol Description

No.

106
#1 107
$1 107-1
$1 107-2

01E11136S01 ASS'Y KIT SP-IN WIRE
68P02294K63 OWNER'S MANUAL
68P02294K74 OWNER'S MANUAL(GE)
68P02294K75 OWNER'S MANUAL(I,G,S)

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

Packi ng Met hod Vi ew

102

104

105

107

106

103

101

R

Specifications

TO CONTENTS

T.H.D. (100Hz, 14.4V) ............................................................................................ 100W/ch, 4ohm-1channel : 1.0%

200W/ch, 2ohm-1channel : 1.0%

Power Output (1.0% T.H.D., 14.4V, 20Hz to 100Hz) .......................................................... 4ohm-1channel : 160W

2ohm-1channel : 320W

S/N Ratio (Ref. Output 175W/4ohm, Input shorted) ............................................................................................ 94dB

Input Sensitivity (175W/4ohm Output) ......................................................... SP-INPUT : GAIN-VR (MIN) : 8.0V±3dB

RCA-INPUT : GAIN-VR (MAX) : 0.18V±3dB

RCA-INPUT : GAIN-VR (MIN) : 4.0V±3dB

Input Impedance ............................................................................................................ SP-INPUT : 35.9k ohm±10%

RCA-INPUT : 18.3k ohm±10%

Frequency Response (0dB, Ref. 100Hz) ........................................................................................... 20Hz : -1.0±1dB

205Hz : -3.0±2.5dB

Current Drain ..................................................................................................................................... No Signal : 1.5A

2ohm-1channel, 10% T.H.D. : 62A

Residual Noise (Input Shorted, 4ohm-1channel) ............................................................................................... 30mV

Remote on Voltage (1W Output) ............................................................................................................ 6.5 +1, -1.5V

Remote Current Drain ............................................................................................................................. 0.27± 0.1mA

Back Up Current Drain ...................................................................................................................................... 1.5mA

Fuse Requirement ............................................................................................................... 20A x2 (For Battery Line)

Power Source ............................................................................................................................. DC14.4V (11 to 16V)

Dimensions (W x H x D) ................................................................................................................. 233 x 60 x 242mm

Weight ............................................................................................................................................................... 2.42kg

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

Block Diagram

TO CONTENTS

DC OFFSET

Over Current Protect

JK101

(INPUT)

CB101

(SPEAKER LEVEL INPUT) CH 1(-)

CH 1

INPUT

ISO.

GAIN

VOLUME

BASS

EQ

L.P.F

REVERSE
BUFFER

PWM OUTPUT

over temperature Protect

DRIVE

SENSOR
SENSOR

SENSOR

FET OUTPUT

STAGE

CH 1(+)

CH 1
CH 2

TML601

(POWER SUPPLY)

BATTERY

REMOTE

GND

CH 2

JK101

(INPUT)

INPUT

ISO.

LINE

CHOKE

MUTE
DRIVER

u-COM

+5V

LED

Protection senser

u-COM

PROTECTION

DRIVE

PWM IC

PWM

FEEDBAC

DC OFFSET
over load

Thermal(trans)
Thermal(Power TR)

MAIN POWER

FET

Thermal

senser

Power trans

RECTIFIER

AND

RECULATOR

TML301

(SPEAKER OUTPUT)

+15V

-15V

GND

+15V/-15V

REGULATOR

1000p

TO CONTENTS

TO PARTS LIST

TO P. W. Board

C312

1000p

C311

1000p

TP557

TP811

E803

2700/35 E804

TP487

IC551 NJM4560M

R554

C009

N.U.

C008

0.01

TP301

FG

L301

15uH

C303

1500p

0.47

C301

1.0

C302

2700/35

R301

R302

10–2W

27–2W

R402

R401

27–2W

10–2W

1.0

C402

0.47

C401

C403 1500p

L401 15uH

TP401

R552 10kF

10k

R423

E551

TP450

N.U.

C551

0.1

R553

39kF

TP556

10kF

R556

TP555

10kF

1M

R809

E813 220/16

C823 1000p

C824 1000p

220/16 E814

R810 1M

COM
1 0

C011

1000p

FG

C012

1000p

C013

C014

1uH

L306

N.U.

TML301

BLOCK TERMINAL 2P

N.U.

1uH

L406

R551 10kF

TP553

TP808

C015 1000p

FG

TP809

TP332

TP331

TP328

4.7kF–1/4

C313

N.U.

R360

0.1 C357

R358

E185 10/16

820

R190

100–1/4

TH571

R578

3.3kF

R572

820–F

820–F

BK2125HS601

0.22

10k

E183

10/16 (B.P)

E184
10/16

E186
10/16

C532

0.1

100k

TP578

R576

5.6kF–1/4

E601 100/25

R359 2.2

C360

E362

E361

1/50

1/50

TP353

TP354

TP355 TP356

TP505

100k

TP573

TH572

R573

3.3kF

R574

820–F

C511 0.01

C512 0.1

R615

8.2kF
82kF

R621

TP618

R616

R618

8.2kF

8.2kF

IC601

C612

2200p

TP612

R613

240kF

R614

TP613

uPC494GS

24k

R612 10kF

C611

1200p

TP614

E602 47/25

R354

TP529

TP528

D572

TP562

10k

R003

R013

0

N.U.

R192

10k

820

R191

R193

10k

E331

1/50

R331

C509 0.1

R509 470k

R510 470k

TP524

TP523

D571

DAN202K

1SS133

R575

TP617

Z604

E603 47/25

R617 240k

R562

0

TP134

TP135

TP132

Z102

Z203

30k–1/4

Z104

R670

Z103

TP136

R135

0

R102

15kF

TP137

TP232

R105

R205

TP236

R804

330

C809

E102

10/50

E101

10/50

R101

15kF

C808 N.U.

C101 47p

R103 15kF

C201 47p

R203

15kF

R201
15kF

TP201

15kF
R202

N.U.

22k

E201
10/50

22k

E202
10/50

NJM4560MIC100

0

R136

R235

TP231

0

TP233

IC200 NJM4560M

R236

0

TP235

TP234

R107

11k

TP197TP196

R106

11k

R803

330

TP193

TP293

R206

11k

TP291

R207

11k

TP294

L601

CHOKE

C601 0.01

ZD671

HZS6A1L

C102

TP140

47p

TP102

TP103

R104

15kF

C103

N.U.

TP101

IC101 NJM4560M

C203

N.U.

15kF
R204

C202
47p

TP202

TP203

Q664

2SB1243

R662 1.8k–1/4

R663 1.8k–1/4

R661 1.8k–1/4

TP663

R665

5.6k

R666

R672

47k

TP672

Q672
2SC2412K

C671 1000p

R109 5.6k

C810

R209

R664 1.8k–1/4

15k

Q671

2SB1238

R671 30k

R151 56k

C152

C151

0.1 (MMTS)

0.1

N.U.

N.U. R153

E816 1/50

R145 220k

IC102 NJM4560M

1/50

5.6k

E 815

C141 33p

C143

N.U.

R143

910

TP143

E661

330/25

TP664

Q663

2SC2412K

IC522

R566 2.4k–1/4

R565 2.4k–1/4

R673 3k–1/4

TP565

C565 1000p

LD565

2012 (BLUE)

C523

0.027

C153

N.U.

C142 10p

S–80943CNMC

R526

0.47/50

VR101

50kA

56kF

E151

R527

R524

R525

TP141

R152

R142

10k

C524

C811 N.U.

22k

1.5k

4.7k–1/4

39kF

TP525

0.01

TP164

R164

R163

5.1k

100

C162 10p
C163 N.U.

C164

3.9kF

R542 1.2kF

N.U.
R165

IC103

C812

1.5k

TP165

C500 0.1

R532 10k

D602

11ES2

R543 N.U.

C541 0.01

ZD541 HZS5BLL

2.2/50

R162 5.1k VR102 5kE

0.022 C161 E161

150k

R166

R161 5.1k

R146 27k

TP161

TP160

TP501
TP502
TP503
TP504
TP515
TP506
TP507
TP508
TP509
TP510
TP511

TP512

R523

4.7k

D521

1SS133

R541

TP580

ZD521

HZS15–2L

27k

R175

E817

1/50

NJM4560M

C171

VR103

N.U.

1/50

E818

C010 N.U.

TP170

FG

R531 10k

R508 10k

R522 10k

R506 10k

R505 10k

R533 10k

C510 0.1

C514 0.1

C521

IC602

NJM78L05A

E641

330/25

0.12

20kE

R171

R504 10k

R503 10k

6800p

E642

VR103

20kE

C175

N.U.

5.6k

R172

IC104 NJM4560M

5.6k

C174

0.056

R502 10k

R501 10k

IC521
S–80942CNMC

47/25

C172

TP514

TP608

0.15

C176

TP183TP173

5.6k

R173

20kE

VR103

R183 15k

0.33

R174 5.6k

R181

5.6k

R528

TP541

IC501

TCP87P47U

CL501

7.7MHz

D001

1SS133

C181 47p

IC105

NJM4560M

N.U.

R186

R184

R185 15k

15k

C182 47p

TP182

TP171

10k

5.6k

R195

R592

Q592

KTC2874

10k

10k

10k

10k

R521

R520

R519

TP538

TP537

TP536

C504 0.1

C505 0.1

C506 0.1

C507 0.1

C016 1000p

D002 1SS133

FG

N.U.

C813

C173

20kE

N.U.

VR103

TP593

TP544

TP543

TP542

10k

R530

C526

0.01

0.1

C522

C183

TP180

N.U.

N.U.

C814

C184

N.U.

TP184

TP181

TP592

TP591

TP535

TP534

10k

R518

10k

R517

R516 10k

10k

R513

C508 0.1

R571

2.2kF

22k

TH531

TP521TP520
TP522

E507 100/10

TP336
TP338

TP340

TP342

TP345

TP346

TP352

Q593

FMC2

TP539

R511

10k

TP533

TP532

TP531

10k

R514

R529

10k

TP527

0.1
C503

E508 100/10

E503 100/10

R507

1.2kF

TP561

Q561

DTA124EK

C513 0.1

R561 4.7k

R132

1k

C132

1000p

R134 100k

C131

1000p

R131

1K

R133 100k

TP133

R231

1K

C231 1000p

R233 100k

C232 1000p

R234 100k

R232

1k

TP223

TP224

TP124

TP123

BX1608HM102

C222 1000p

C221 1000p

C122 1000p

FG

0.01

BX1608HM102

BX1608HM102

Z101 BX1608HM102

Z201 BX1608HM102

Z202 BX1608HM102

BX1608HM102

C121 1000p

Z204

BX1608HM102

F101

TML601

FUSE TERMINAL 3P

D601

11ES2

CB101

TERM HOU 5569–4A1

JK101

RCA JACK 2P

C021 0.01

C023 100p

100p

C022

C024

GND

1kF

R318

1kF

R418

R417

4.7kF–1/4

TP357

TP358

TP615

TP616

18kF

R611

FG

R317

2700p

R327

R427

C007

TP327

2.2k

IC301

TDA7570

2.2k

C413

0.1

C354 0.1

C351 0.1
C367 N.U.

TP427

2700p

R607

TP607TP606

R609

220–1W

R610

220–1W

C359

0.1

10–1/4

TP325

C353

R603

R604

R608

10–1/4

0.1

220–1W

220–1W

TP323

Q603

IRFZ44N

Q604

IRFZ44N

TP324

TP322

TP321

C361 0.1

TP360

TP361

TP363

TP364

D581

DAN202K

TP549

R653

10k

33–1/4 33–1/4

Q601

IRFZ44N

R605

10–1/4

C603

2200p

C604

2200p

R606

10–1/4

Q602

IRFZ44N

R602

C366

R601

TP315

TP318

TP317

R306 100

R333

N.U.

R316

E811

C807

0.33

0.1

C356

0.1

C352

0.1

C355

TP308

TP304

TP305

0.1

TP571

TP586

TP546

10k

E6002

R623

D583 1SS133

R622

33–1/4

R584 47k

Q582
DTC124EK

DTC114YK

E6001

1000/25

1000/25

E6003

1000/25

E6004

E6005

1000/25

TP604

R586

Q584

TP603

10k

Q581
DTC124EK

TP545

HZS9C1L

1000/25

ZD562

ZD561

HZS9C1L

TP803

T801

EI (4T/8T)

R585

33–1/4

10/100

TP313

TP350

TP351

D301

1SS133

R326

10k

27–1/4

E301

E302

10/100

10/100

R315 22–1/4

R332
N.U.

R305 100

0.1

E809

22/50

C805

0.1

C806

E810

22/50

R405

100

R432
N.U.

R415

22–1/4

E401

10/100

27–1/4

R416

R433
N.U.

R406 100

TP381

R321 120kF

R323 10k

120p

C321

R322

2.7kF

33k

R324

R325

1.2k

R559

10k

TP812

22k

TH801

C801 2200p

R801 100–1/4

R807 100–1/4

C802

2200p

R802 100–1/4

100–1/4 R808

TP813

10/100

E402

IC302

NJM2903M

Q551

2SC2412K

E303

R313

TP805

R413 43

10/100

R414

R424

D801

FFPF15U20DN

D802

FFPF15U20DP

10/100

43

TP419

E403
1000p/630

TP320

C306

R314

1000p

56

R320
100k

L303

0

C307

1000p

L302 0

R319 100k

C305

1000p

TP319

C405

1000p

R419
100k

L402 0

C404

0.33

C407

L403 0

R420 100k

C406

56

1000p

TP420

33k

DAN202K

ZD551 HZS7B2LRX

E801

2700/35

E802

2700/35

TP810

C304

D551

R304

0.01–5W

Q302

IRFZ44N

0.33
Q301

IRF5305

R303

0.01–5W

N.U.

C821

N.U.

C819

N.U.

C820

N.U.

C822

R403

0.01–5W
C411

Q401

IRF5305

Q402

C412

IRFZ44N

1000p

R404

0.01–5W

R421

120kF

120p

C421

TP451

R422

2.7kF

R557

4.7k

0.1

C552

R558 47k

R555 4.7k

TP806

BK2125HS601

Z602

IC605

NJM7815FA

C803 0.015

C816 1000p

IC606

C817 1000p

C804 0.015

NJM7915FA

Z603

TP807

BK2125HS601