Kenwood XXV-02A - 25th Anniversary Products Amplifier Service Manual Download Page 10

Page: 10 / 26

XXV-02A

PC BOARD (FOIL SIDE VIEW)

DC voltmeter

2.5mV

DC voltme

2.5mV

DC voltmeter

2.5mV

VR6

VR5

D85

D152

D68

Q52

D158

Q57

D201

D101

D200

D100

D107

D93

D91

D63

D102

D202

D11

Q30

D62

D87

D80

D81

D82

D66

D67

D78 D76

Q97

Q91

Q81

D88

Q95

Q86

Q84

Q96

Q85

Q93

D83

Q98

Q90

Q94

Q92

D84

D72

D71

Q63

Q64

Q62

D958

Q967

Q25

D12

Q31

D406

Q73

Q77

Q24

Q56

Q61

Q65

D70

Q54

Q60

D151

D305

D301

D29

Q41

Q42

Q905

D915

Q906

Q945

D955

Q946

Q43

D302

D203

D155

D69

Q50

D306

D304

Q51

Q53

D30

Q44

D157

D154

D153

Q82

Q83

Q80

D401

D405

Q99

Q17

Q18

Q22

D17

D13

Q27

Q26

Q58

Q59

Q66

Q67

Q210

Q212

Q301

Q302

Q303

Q304

Q305

Q306

Q307

Q308

Q309

Q311

Q312

Q314

Q315

Q316

Q317

Q318

Q319

Q320

Q321

Q322

Q323

Q325

Q401

Q402

Q403

Q404

Q405

Q406

Q407

Q408

Q409

Q417

Q421

Q425

CN4

IC1

IC8

IC2

IC3

IC4

IC9

AUDIO UNIT
X09-5940-10 A/2 (J76-0132-01)

W530

TH3

R40

R568

W550

W656

R590

R620

R550

R472

W614

W613

R549

C516

C517

C503

R204

R203

C202

C107

C124

C224

C37

C101

R103

C509

C512

C201

W632

C507

W582

W707

R514

R506

R602

R513

R504

W589

W645

R270

R272

R208

R207

R210

R200

C38

R539

W635

W634

W622

R607 R606

R540

R542

R560

R541

R531

C510

W615

C511

R510

R517

R530

R548

R546

C31

C82

C32

W618

W713

W575

W595

C513

W587

R537

W571

W570

W573

W596

W555

R964

C53

W600

W705

W717

W719

W718

W558

R544

W569

R967

W610

W702

W552

W559

R60

W548

W551

R66

R62

R58

R63

R45

W546

R86

R578

R571

W557

W556

W544

W554 R82

W545

R83

W536

R87

R98

C78

W712

W659

W587

W639

R357

R351

W606

W623

R974

TH2

W651

W627

W638

TH1

R79

R74

R73

R80

R408

W579

W577

R464 C464

R228

W701

W567

R406

W560

W561

R358

R360

W583

W578

R410

W542

W700

R405

W566

W594

W598

W581

W568

W547

W565

W703

R20

W537

W534

C13

W533

W584

W562

W564

R509

W523

W527 R421

W524

W531

W529

W526

R409

W662

W666

W663

W664

W665

C114

W704

W657

W658

W601

R205

R605

W706

W576

R611

R604

C504

R511

C30

R241

R206

R567

W655

R579

R569

W647

W644

R565

W714

W631

W636

R536

R535

W629

R543

R528

R527

R526

W621

W624

W612

W626

W628

R505

C501

W633

W630

C502

C55

W605

R610

W574

W716

W553

R524

C515

W602

R532

W572

W599

R518

R522

R534

R533

R545

R519

R520

R515

W585

W590

R32

W593

W591

R570

W563

R970

R961

R47

R521

R59

R48

R46

R65

R64

R555

R556

R580

W535

R91

R90

R576

R574

W549

R563

R577

R96

C70

R561

W543

C76

R81

R84

R562

R97

R99

R564

R323

R307

R305

R127

R301

R303

C303

W603

W709

W625

W620

W619

W637

R934

R315

R309

R311

R355

R313

W648

R317

W649

R365

W711

R366

R933

R905

R906

W654

R325

W650

W646

W640

W641

R310

R973

R945

R128

R302

C304

R304

R356

R324

R946

R314

R312

W617

R306

R308

R318

R316

W604

C352

C354

R326

W611

W616

R339

R331

R337

C321

C319

R329

R67

R69

R68

R70

R72

R71

R76

R75

R78

W607

C322

R412

R411

R451

R423

R227

R424

R466

R465

R402

R404

C404

R452

C403

W597

W586

R401

R330

R340

R232

R403

R414

R413

W539

W540

W541

W538

W528

R338

C320

W580

W588

R19

C21

R21

C22

R582

R566

R581

R508

R507

R93

R92

W525

R407

R453

R417

R429

C419

R439

R431

C421

W522

1 2

W710

W715

OUT

W325

C19

W319

W317

W229

W365

C20

C69

C85

C52

C29

C17

C27

C28

C51

C54

C77

C80

C81

C86

C100

C161

C200

C307

C308

C364

R364

C350

C351

C407

R463

C408

C461

C506

R603

C508

W408

W250

W376

W238

W233

W208

R25

R26

W294

W313

W316

W315

C72

C203

C204

C215

C216

C250

C301

C302

C305

C306

C309

C363

C310

C311

C312

C313

C314

C315

C316

C401

C402

C405

C406

C409

C463

C410

C411

C412

C413

C414

R22

R17

R101

R102

R161

R197

R201

R202

R297

R319

R320

R321

R322

R328

R333

R334

R335

R341

R342

R343

R344

C353

C355

R345

R346

R347

R348

R359

R361

R370

R371

R419

R420

R422

R435

R443

R447

R455

R459

R461

R500

R501

R502

R503

R512

R516

R523

R525

R572

R573

R600

R601

W344

W253

W275

W244

W251

W254

W242

W243

W388

W409

W405

W237

W354

W330

W329

W422

W421

W394

W392

W396

W359

W248

W240

W401

W395

W370

W358

W353

W357

W333

W339

W283

W282

W280

W279

W249

W221

W363

W351

W309

W285

W266

W338

W216

W288

W270

W210

W423

W391

W284

W206

W207

W215

W218

W217

W220

W224

W219

W223

W368

W236

C255

W340

W327

W334

W296

W306

W304

W300

W298

W295

W289

W286

W384

W383

W382

W381

W322

W433

W323

W324

W227

W256

W320

W321

W346

W369

W355

W375

W386

W374

W385

W411

W410

W403

W406

W398

W407

W404

W399

W402

W397

W389

W387

W415

W417

W419

W416

W413

W412

W377

W378

W379

W380

W239

W366

W371

W367

W364

W348
W349

W350

W247

W400

W200

W232

W361

W414

R363

W393

W390

W299

W342

W343

W335

W278

W277

W281

W293

W292

W302

W352

W341

W345

W269

W310

W307

W230

W182

W303

W311

W272

W235

W258

W234

W255

W276

W301

W312

W297

W372

W265

W362

W418

W420

W337

W326

W328

W331

W373

W305

W356

W360

W314

W267

W271

W263

W264

W260

W257

W245

W268

W332

W203

W222

W259

W252

W246

W226

W241

W225

W262

W291

W290

W318

W347

W274

W273

W209

W431

W228

C14

B E

TP09

TP08

TP04

TP05

TP10

GND

+15V

-15V

TH3

TP15

CLK

TP14

TP16

TP19

TP20

SDA

TP17

TP18

AR+G

AR-

AL-G

AL+

TP12

TP11

OUT

IN-AR

IN-BR

IN-BL

TP06

TP01

TP03

TP02

TP13

TP21

TP07

TH1

TH2

X09-5940-10

Ref. No. Address

IC1

IC2

IC3

IC4

Ref. No. Address

IC6

IC8

IC9

IC10

Ref. No. Address

Q10

Q11

Q12

Ref. No. Address

Q13

Q14

Q15

Q16

Q17

Q18

Ref. No. Address

Q20

Q21

Q22

Q24

Q25

Q26

Ref. No. Address

Q27

Q30

Q31

Q41

Q42

Q43

Ref. No. Address

Q44

Q50

Q51

Q52

Q53

Q54

Ref. No. Address

Q56

Q57

Q58

Q59

Q60

Q61

Ref. No. Address

Q62

Q63

Q64

Q65

Q66

Q67

Ref. No. Address

Q73

Q74

Q75

Q77

Q80

Q81

Ref. No. Address

Q82

Q83

Q84

Q85

Q86

Q90

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

Summary of Contents for XXV-02A - 25th Anniversary Products Amplifier

Page 1: ...9 1770 15 Screw set N99 1577 15 Accessory W01 1606 05 Screw N07 0003 08 Screw N09 4214 08 Fuse 30A F52 0015 05 channel Power Amplifier 4 3 2 channel Power Am plifier 4 3 2 Cover F07 xxxx xx eXcelon is not printed on European Model eXcelon is not printed on European Model Dressing plate A21 xxxx xx www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q...

Page 2: ...IRCUIT I DETECTOR BU DETECTOR P SW SW5V BU5V Q25 DC DC CONVERTER Q17 18 26 AVR POP NOISE CIRCUIT MUTE2 Q22 901 902 Q50 53 FAN RST IC E2PROM I2C COMMUNICATION to AMP 5L COMMUNICATION to H U LOGO LED DIP SW DISPLAY LCD DRIVER IC LCD KEY LED B MUTE1 DIFFERENTIAL STAGE STAGE B CLASS MUTE1 DIFFERENTIAL STAGE STAGE B CLASS MUTE1 DIFFERENTIAL STAGE STAGE B CLASS VR1 VR1 PASS BUFFER AMPLIFIER ISOLATION AM...

Page 3: ...urrent detection and protection Q62 67 Fan operation circuit Q73 77 BU over voltage detection Q74 75 FET drive low start switch Q80 83 LX communication input signal level converter Q84 LX communication circuit power supply and AMP communication IC1 power switch Q85 86 90 92 96 98 LX communication output signal level converter Q91 14V power supply for LX communication circuit and AMP communication ...

Page 4: ...ction Pin No Pin Name I O Function Processing Operation Description 1 3 TEMP4 TEMP6 I Temperature detection 4 6 4 AVSS GND 5 L_CE O CE output to LCD driver H LCD driver CE 6 LX_REQ_S O Data transmit request to H U H OFF L ON 7 AVREF1 DA reference voltage 8 L_DATA_L I Data input from LCD driver 9 L_DATA_A O Data output to LCD driver 10 L_CLK O CLK output to LCD driver 11 LX_DATA_M I Data input from...

Page 5: ... class amplifier power supply control H ON L OFF 2ch 4ch L fixed 52 DC DET I Speaker output DC voltage detection H Normal L Abnormal 53 NC O Not used 54 POWER ON O Amplifier power supply control H ON D AB class L OFF 55 5VSW O 5VSW H OFF L ON 56 MUTE1 O Amplifier section input stage mute control H OFF L ON 57 MUTE2 O Driver stage pop noise mute control H OFF L ON 58 FAN1 O Fan rotation control H O...

Page 6: ...etection 1 3 MICROCOMPUTER STERMINAL DESCRIPTION 2 AMP ID AMP ID is checked only ohce at the time reset is released or when the microcomputer is released from the low consump tion mode When set to AMP ID 8 9 no remote control is possible AMP ID DIP SW1 DIP SW2 DIP SW3 DIP SW4 25pin 26pin 27pin 28pin 0 High High High High 1 Low High High High 2 High Low High High 3 Low Low High High 4 High High Low...

Page 7: ... PC board VR7 BLch between check land 2 minutes X09 VR8 BRch ADJUSTMENT Current detection circuit Amplify and rectify potential differences at two points in the primary side current circuit and send it to the AD port of the MPU and obtain data for displaying current value Constant current output circuit Remove troubles caused by the potential differences between the constant current output and the...

Page 8: ...238 R239 R240 R241 R242 R243 R244 R245 R246 R247 1 7 8 14 30 1 1 16 33 48 49 64 32 17 1 4 8 5 1 7 14 8 1 7 14 8 1 10 11 20 1 4 8 5 1 2 C21 1 3 C52 C75 C27 C200 50Hz 200Hz C9 C10 C12 C15 C16 C14 C17 503C C20 C26 C36 503C HI PASS VR2 LOW 50Hz 200Hz PASS 1 HPF Bch VR1 C63 C64 OFF LPF C102 200mV 103A 5V INPUT SENS 50Hz 503C 200Hz HI PASS VR3 1 VR4 1 5V INPUT SENS 103A 1 24 200mV C115 C114 Ach VR5 C107...

Page 9: ... TP88 TP89 TP90 TP91 TP92 TP93 TP94 TP95 TP96 TP98 TP99 TP100 TP101 TP102 TP103 TP104 TP105 TP106 TP107 TP108 TP109 TP110 TP111 TP112 TP113 TP114 TP115 TP116 TP117 TP118 TP119 TP120 TP121 TP122 TP123 TP124 TP125 TP126 TP127 TP128 TP129 TP130 TP131 TP132 TP133 TP134 TP135 TP136 TP137 TP138 TP139 TP140 TP141 TP142 TP143 TP144 TP145 TP146 TP147 TP148 TP149 TP150 TP151 TP153 TP155 TP156 TP157 TP158 TP...

Page 10: ...588 R19 C21 R21 C22 R582 R566 R581 R508 R507 R93 R92 W525 R407 R453 R417 R429 C419 R439 R431 C421 W522 4 1 5 8 1 7 14 8 14 8 1 7 1 2 3 4 1 1 4 5 8 2 13 12 9 5 1 4 8 1 3 4 20 60 41 40 21 61 80 W710 W715 E B B AR AL OUT BL AR 1 29 2 30 W325 C19 W319 W317 W229 W1 W2 W365 R4 C20 C69 C85 C52 C29 C5 C17 C27 C28 C51 C54 C77 C80 C81 C86 C100 C161 C200 C307 C308 C364 R364 C350 C351 C407 R463 C408 C461 C506...

Page 11: ...57 W156 W167 W168 W104 W143 W131 W146 W113 W200 W177 W155 W308 W337 W203 W204 W198 W192 W199 W193 W231 W178 W119 W118 W117 W115 W116 W109 W105 W106 W107 W108 W111 W110 W114 W112 W124 W132 W138 W129 W126 W123 W128 W127 W130 W121 W125 W140 W135 W122 W153 W160 W169 W164 W103 W102 W336 W430 1 W432 W172 E B E B E B E B E B E B E B E B B E E B E B E B E B S G D D G S S G D S G D S G D D G S G D S BL BR ...

Page 12: ...0K 8 10 R208 10K 9 11 R210 10K 10K 10K 13 12 C216 22u16 14 AUDIO MUTE AUDIO SDA AUDIO SCL 3 2 1 D GND L CLK ISO BL ISO GND IN ISO BR ISO AR ISO GND IN ISO AL 6 5 4 8 7 DI 11 10 9 DO L CE 14 13 12 ILL B ILL GND AMP BL FILTER GND AMP BR ISO GND OUT AMP AR FILTER GND AMP AL ISO GND OUT 20 17 16 15 19 18 22 21 FAN B 25 24 23 C402 R402 4 7K 10u50 R974 15K 3 6K R404 22K R406 1K C205 R270 R202 1K 1K C203...

Page 13: ...22 220 1000P R319 R321 22K C307 R311 4700P C305 100 R309 47u25 1K R313 C309 22P 4 3K 4 3K VR5 R357 1 8K 6 8K R355 R315 150 R359 1K C315 10u50 R331 1K R343 4 7 220 R333 100 R341 4 7 LOGO LED B NC 30 9 8 7 6 5 1 4 R187 2 68 3 L5 R80 47 R78 6 8K R79 47 R76 6 8K R70 R73 10K 10K C81 R69 10K 47u25 6800P C321 6800P C319 1 5K R339 33 R351 120P C313 510 R325 100P C311 2W 0 1 R345 2W 0 1 R347 150 R317 2W 0 ...

Page 14: ...C49 50 51 52 53 MUTE1 MUTE2 RESET FAN1 54 55 56 57 SW5V 58 59 60 FAN2 R 1 63 64 65 61 62 R505 10K VSS NC 4 3 VO VD 2 4 7uH C31 12P C23 1500P 87 8 R555 C508 L5 R556 47u25 3K 10K R24 R23 18K 18K R26 R25 4700u42 C36 C35 4700u42 1500P C24 10 1 2W 10 1 2W 9 8 C32 12P L9 R59 4 7K R60 47K C29 220u16 C51 1u50 R51 4 7K 3900u16 3900u16 3900u16 W1 W2 R22 6 2K R17 3 3K 13 10 11 12 15 14 L3 4 5 6 7 1 2 3 10 9 ...

Page 15: ...2 43 44 45 ATT3 NC44 NC45 R574 180 ERON PWER CDET BCUR DCUR 46 47 48 49 NC47 NC48 NC49 50 51 52 53 MUTE1 MUTE2 RESET FAN1 54 55 56 57 SW5V 58 59 60 FAN2 R620 10K VSS NC 4 3 VOUT VDD 1 2 2 2u50 C86 R472 47K OUTCTRL 150K 100u10 4 7K R12 10 R11 10 4 GND 8 C1 7 6 5 RT CT DTC 3 2 1 FBACK IN1 IN1 R3 C4 10u50 C54 R62 1 5K L1 C1 10u25 1 1 3 2 2 W51 W58 2 1 BL BR BR BL 3 4 5 6 8 7 1 2 3 4 BATT P CON GND 9 ...

Page 16: ...0 22 R237 39K TP54 12 13 10u35 8 TP58 TP161 TP160 C64 1 2 3 TP157 R239 47K 11 4 5 7 10u35 TP156 14 C63 6 8 TP118 27 25 26 28 29 30 31 32 R111 47K 22 AMP BL ISO GND AMP AL AMP AR ISO GND AMP BR DI CL CE 10 11 12 DO DGND 13 14 15 19 GND 16 17 18 GND 20 21 ILL GND LOGO LED FAN B ILL B 23 24 25 15V SW5V 15V 26 27 28 29 30 TP27 3 1 2 7 5 4 6 8 R116 47K C102 10u35 R115 47K C101 10u35 1 2 6 0 22 TP28 TP4...

Page 17: ...3 2 2K R242 10K R241 220K R243 TP86 TP99 TP101 TP164 TP165 TP98 TP96 TP162 56K R26 TP88 TP90 R22 8 2K TP102 TP103 C24 0 22 C20 10u35 C22 0 1 47K R20 TP91 4 5 6 9 1K R24 TP89 TP95 1 2 6 4 3 9 7 8 5 0 22 C25 TP94 0 1 47K R21 10u35 C21 C23 9 1K R25 2 3 TP92 8 2K R23 TP93 C34 0 01 TP104 R28 47K 10u35 C26 7 50K C VR1 R29 56K R27 47K C27 10u35 1 TP105 TP78 0 01 C900 0 01 C901 0 01 C902 0 01 C903 0 01 C9...

Page 18: ...3 N82 2006 48 N84 2606 48 N89 3006 43 N89 3008 43 N89 3008 48 N89 3016 48 N09 6217 05 N80 2008 48 N83 3012 48 26 27 28 Mx2 Hx2 Lx2 Cx2 Qx2 Gx3 4 5 1 13 14 6 8 719 H L L L L P P P H 723 723 722 715 F F F Ax3 Ax4 Kx2 715 730 G G L L L 731 Insulating sheet is contained 24 ED1 L Nx8 Nx16 7 17 16 715 724 731 716 702 Kx4 718x2 Kx3 Kx2 Kx3 Kx2 K FC1 F F F F D B J L L L L Ex2 Fx4 3 F2 F1 10 41 X08 42 X08 ...

Page 19: ... REFLECTION SHEET 41 2A B11 1447 04 OPTICAL DIFFUSER 42 2B B19 2258 12 LIGHTING BOARD D2 B30 1641 05 LED ED2 2B B38 1150 05 LCD ASSY C1 2 CK73GB1H103K CHIP C 0 010UF K C3 8 CK73FB1H224K CHIP C 0 22UF K C9 10 CD04AS1H010M ELECTRO 1UF 50WV C11 CK73GB1H103K CHIP C 0 010UF K C12 CD04AS1V100M ELECTRO 10UF 35WV C14 17 CD04AS1V100M ELECTRO 10UF 35WV C18 19 CK73GB1H103K CHIP C 0 010UF K C20 21 CD04AS1V100...

Page 20: ...J 1 10W R245 RK73GB2A101J CHIP R 100 J 1 10W R246 RK73GB2A103J CHIP R 10K J 1 10W R247 248 RK73GB2A150J CHIP R 15 J 1 10W R249 250 RK73GB2A473J CHIP R 47K J 1 10W VR1 2 2A R31 0241 05 VARIABLE RESISTOR 50K C VR3 2A R31 0238 05 VARIABLE RESISTOR 10K A VR4 2A R31 0241 05 VARIABLE RESISTOR 50K C VR5 2A R31 0238 05 VARIABLE RESISTOR 10K A S1 5 2A S62 0873 05 SLIDE SWITCH S6 2A S62 0874 05 SLIDE SWITCH...

Page 21: ...73GB1H103K CHIP C 0 010UF K C504 CK73GB1H104K CHIP C 0 10UF K C506 C90 5557 05 ELECTRO 10UF 25WV C507 CK73GB1H104K CHIP C 0 10UF K C508 CD04BJ1E470M ELECTRO 47UF 25WV C509 511 CC73GCH1H101J CHIP C 100PF J C512 513 CK73FB1H104K CHIP C 0 10UF K C515 516 CC73GCH1H101J CHIP C 100PF J C517 CK73FB1H104K CHIP C 0 10UF K C902 CD04BC1C392M ELECTRO 3900UF 16WV C920 921 CK73GB1H103K CHIP C 0 010UF K CN1 E41 ...

Page 22: ...8 RK73FB2B151J CHIP R 150 J 1 8W R319 322 RD14NB2E432J RD 4 3K J 1 4W R323 324 RK73FB2B151J CHIP R 150 J 1 8W R325 326 RK73GB2A511J CHIP R 510 J 1 10W R328 RD14NB2E101J RD 100 J 1 4W R329 331 RK73FB2B102J CHIP R 1 0K J 1 8W R333 335 RD14NB2E101J RD 100 J 1 4W R337 340 RK73FB2B152J CHIP R 1 5K J 1 8W R341 344 RD14NB2E4R7J RD 4 7 J 1 4W R345 348 R92 0205 05 METAL PLATE 0 1 K 2W R351 RK73GB2A330J CHI...

Page 23: ...R 10K J 1 10W R614 RK73GB2A102J CHIP R 1 0K J 1 10W R619 RK73GB2A153J CHIP R 15K J 1 10W R620 RK73GB2A103J CHIP R 10K J 1 10W R681 RK73GB2A123J CHIP R 12K J 1 10W R905 906 RK73GB2A332J CHIP R 3 3K J 1 10W R933 934 RK73GB2A223J CHIP R 22K J 1 10W R945 946 RK73GB2A332J CHIP R 3 3K J 1 10W R961 RK73GB2A473J CHIP R 47K J 1 10W R964 RK73GB2A153J CHIP R 15K J 1 10W R967 RK73GB2A331J CHIP R 330 J 1 10W R...

Page 24: ...08 R92 2053 05 CHIP R 0 OHM J 1 8W W709 R92 1252 05 CHIP R 0 OHM J 1 16W W710 R92 2053 05 CHIP R 0 OHM J 1 8W W711 R92 1252 05 CHIP R 0 OHM J 1 16W W712 R92 2053 05 CHIP R 0 OHM J 1 8W W713 719 R92 1252 05 CHIP R 0 OHM J 1 16W S6 S79 0843 05 DIP SWITCHES S7 3B S68 0806 05 PUSH SWITCH D1 2 RM4ZLF J1NF DIODE D4 UDZS16B ZENER DIODE D8 RD15JS AZ B ZENER DIODE D9 UDZS6 8B ZENER DIODE D11 UDZS5 1B ZENER...

Page 25: ...A114EUA DIGITAL TRANSISTOR Q92 DTC114EUA DIGITAL TRANSISTOR Q93 94 2SA1576A TRANSISTOR Q95 2SC4081 TRANSISTOR Q96 2SA1576A TRANSISTOR Q97 DTA114EUA DIGITAL TRANSISTOR Q98 2SA1576A TRANSISTOR Q99 DTA114EUA DIGITAL TRANSISTOR Q210 2SA1376AA L K TRANSISTOR Q212 2SC3419 Y TRANSISTOR Q301 304 2SA992 A F E TRANSISTOR Q305 308 2SC3478AA L K TRANSISTOR Q309 2SA1376AA L K TRANSISTOR Q311 2SC3419 Y TRANSIST...

Page 26: ... Bridged 4Ω 1kHz 0 5 THD 240W x 2 Low Pass Filter Frequency 24dB oct B channel 50 200Hz variable High Pass Filter Frequency 12dB oct 50 200Hz variable Infrasonic Filter Frequency 24dB oct B channel 15Hz Frequency Response 0 3dB 5Hz 50kHz Signal to Noise Ratio 105dB Sensitivity rated output MAX 0 2V MIN 5 0V Input Impedance 10kΩ Amplifier Control Section EQ B channel Bass Frequency 60 80 100 200Hz ...

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