background image

KAC-6402

7

J

I

H

G

F

D229

Q106

Q104

Q112

D104

Q102

Q101

D102

Q108

Q110

D101

Q107

Q109

Q103

Q105

D103 Q111

Q116

Q114

Q118

D108

Q120

Q124

D111

D106

D105

Q117

Q121

D110

Q122

D109

Q113

Q115

D107

Q119

Q126

Q125

Q123

D6

D7

D8

D9

/2)

C10

IC11
(2/2)

(1/2)

IC11

IC12
(1/2)

IC12 (2/2)

S4

AR

IC10 (1/2)

HPF/

LPF

OFF/

D430

Q206

IC6 (1/2)

IC8 (2/2)

(1/2)

IC8

2/2)

C6

(1/2)

IC7

IC7
(2/2)

Q201

Q202

OFF/
LPF

HPF/

S5

Q204

Q203

Q205

Q214

Q212

D204

D208

Q216

Q224

Q220

B

D209

Q208

Q210

D22

D201

Q207

Q209

Q218

D210

D206

D205

D211

Q213

Q211

D203

Q217

Q215

D207

Q219

Q222

Q226

Q221

Q225

BL

Q223

D604

Q605

D605

Q602

D610

Q601

D602

D601

D603

Q603

Q604

D606

Q606

D607

MUTE

POWER AMP

+B SW

TP228

TP229

TP241

TP244

TP238

TP237

TP232

3

TP230

TP231

TP234

TP235

TP239

TP240

TP243

TP242

TP247

TP246

TP361

TP61

TP372

TP360

TP370

TP369

TP371

TP59

TP58

TP365

TP40

TP3

TP

TP3

TP3

TP356

TP357

TH1

1

2

3

4

5

6

7

8

IN1+

IN1-

FBACK

DTC

CT

RT

GND

C1

16

15

14

13

12

11

10

9

IN2+

IN2-

REF

OUTCTRL

VCC

C2

E2

E1

C10

2.2u50V

27K

R17

10K

R18

2.2M

R19

27K

R16

0.01

C11

470

R27

1K

R23

6.8K

R22

1000P

C13

R24 16K

10u50

C14

47u25

C12

R26 1.1K

R25

150

R223

150

R225

6.2K

R221

33

R233

470P

C903

1.8K

R229

100

R235

4.7

R245

1.8K

R249

2W

0.1

R253

220

R243

680P

C219

680P

C221

R239 5.1K

R241 5.1K

1.8K

R251

2W

0.1

R255

0.01

C217

510

R231

10P

C215

43K

R227

3P

C901

47P

C213

100

R237

4.7

R247

8.2K

R207

100K

R203

100

R213

1.5K

R217

100P

C211

220P

C209

47u25

C207

4700P

C205

820

R211

100

R219

100

R220

10

R261

C261 220u35

+

100K

R204

C204 470P

R206 43K

C203 470P

R205 43K

820

R209

820

R210

820

R212

10u50

C202

3K

R202

100

R214

47u25

C208

+

1.3K

R216

220P

C210

1.5K

R218

100P

C212

3P

C902

510

R232

47P

C214

43K

R228

10P

C216

0.01

C218

680P

C222

680P

C220

5.1K

5.1K

R244

4.7

R248

1.8K

R250

4.7

R246

1.8K

R252

2W

0.1

R256

2W

0.1

R254

100

R236

470P

C904

33

R234

1.8K

R230

150

R224

150

R226

6.2K

R222

47P

C260

8.2K

R208

10K

R265

10K

R266

150K

R660

100K

R659

10u50

C616

R180

 2.2K

4.7K

R172

100

R176

10u50

+

C158

47K

C156

10u50

+

0.01

C38

4.7K

R173

4.7K

R174

7

20K

10K

R161

10K

R165

C151

3K

R167

5

6

7

8

4

10u 50V

+

C157

100

R175

C159

10u 50V

+

2

3

1

C155

10u 50V

+

R171

4.7K

R177 47K

R179 47K

R181 2.2K

VR3

1

8

4

10K

R162

10K

R166

C152

0.33

C154

2.2K

R164

3K

R168

16K

R170

0.33

C153

2.2K

R163

R169 16K

3

2

1

6

4

7

8

5

10u50

C160

+

47P

C259

1.3K

R215

VR6

220

VR5

220

TP226

 0.047

C37

0.01

 0.047

R178

 47K

R238

100

C206

4700P

R182

10K

R21

100K

20K

33

TP374

TP377

R466

10K

10K

6

10K

R366

TP328

C360

+

+

10u50

4

TP344

TP378

47P

C460

8.2K

R408

2

R367

3K

C354

R364

TP329

R368

8

4

1

R362

10K

TP330

2.2K

C352

TP341

 0.047

TP332

0.33

3K

TP334

TP331

VR4

2.2K

R363

TP339

C353

0.33

TP337

R374

4.7K

R370

+

10u50

C356

C358

10u50

3

5

8

7

16K

2

1

R376

100

T3242

R372

4.7K

R378

47K

+

TP340

C42

0.01

R369 16K

R373

4.7K

0.01

C41

10u 50V

C359

TP335

7

R361

10K

TP326

R365

10K

 0.047

C351

TP338

+

10u 50V

C355

C357

+

10u 50V

4

3

1

TP343

8

6

5

7

4.7K

R371

TP346

R377 47K

R375

100

TP347

R465

R382

 2.2K

 47K

R380

3K

R402

820

R412

820

R410

R406 43K

C404 470P

10u50

C402

C408

47u25

R414

+

R416

1.3K

4700P

C406

100

R404

100K

R403

100K

R409

TP375

820

R411

820

R381 2.2K

R379 47K

3K

R401

TP362

R405 43K

C403 470P

C401

+

10u50

R415

1.3K

R413

100

C405

4700P

47u25

C407

C459

47P

8.2K

R407

TP373

43K

R434

R426

150

R424

150

R422

6.2K

R430

1.8K

C416

10P

220

VR8

C908

470P

33

R436

100

680P

C420

R444

5.1K

TP3

R446

4.7

R450

1.8K

R454

0.1

2W

TP376

C906

100P

C412

C410

220P

R418

1.5K

R420

C414

47P

R428

3P

R432

510

100

C461 220u35

+

R419

100

R461

10

100

R438

C418

0.01

5.1K

680P

C422

R437

100

R433

C415

R421

6.2K

R417

1.5K

C409

220P

C411

100P

R431

510

C905

3P

47P

C413

43K

R427

10P

R423

150

1.8K

33

R429

VR7

220

R425

150

R439 5.1K

R443

C419

680P

C417

0.01

R441 5.1K

C421

680P

100

C907

470P

R435

4.7

TP4

TP4

1.8K

R456

0.1

2W

4.7

R448

R452

0.1

2W

220

R453

TP4

0.1

2W

R455

1.8K

R451

R447

TP366

TP41

R445

4.7

1.8K

R449

R201 3K

C201

10u50

+

R613

1.5K

10K

R606

C602

10u50

C601

33u35

R604

10K

R603

100

R607

4.7K

1.8K

R608

33K

R609

R602

820

33K

R605

TP62

R610

30K

3.6K

R611

10u50

C603

3.9K

R615

3.6K

R612

TP379

14.4V

+B

B

14.4V

R442

R440

220

R240

R242

220

+

+

+

+

+

+

+

+

+

+

IC13

15.0V

15.0V

-15.0V

-15.0V

15.0V

-15.0V

15.0V

15.0V

V

-15.0V

15.0V

2.4V

5.0V

5.0V

0V

0V

3.6V

14.2V

14.2V

14.2V

0V

12V

5.0V

5.0V

14.4V

0V

25

-25.0

X09-5890-10 (2/3)

Summary of Contents for KAC-6402

Page 1: ...C 6402 SERVICE MANUAL Accessory W01 1606 05 190mm Screw set N99 1587 05 Fuse F52 0014 05 Connecting cord assy E30 6144 05 4 3 2channel Power Amplifier Powe Amplifie MAXIMUMPOWER 4 3 2channel KAC 6402 E type M type KAC 6402 K type This product uses Lead Free solder ...

Page 2: ...DC DC converter Switching FET Q7 8 9 10 DC DC converter Gate driver for Q5 6 Q11 12 DC DC converter ON OFF of IC13 output Q101 102 201 202 Input mute circuit Shock noise absorption at power ON OFF Q103 106 203 206 Power amplifier First step differential absorption Q107 110 207 210 Power amplifier Second step differential absorption Q111 112 211 212 Power amplifier Second step current mirror load Q...

Page 3: ...ion Melts off fuse when primary power supply is inversely connected for primary power supply D2 3 AVR reference voltage Control Q3 4 by Zenner voltage generated at D2 3 D4 5 Secondary power supply rectifier D6 9 Switching Reverse flow prevention D22 201 101 102 Temperature compensation Makes 2nd step deferential transistor Vbe current constant D32 37 Static protection Prevents ope amp destruction ...

Page 4: ...W179 W177 W180 W182 W112 W113 W131 W123 W163 W161 W68 W127 W99 W100 W106 W102 W101 W137 W144 W151 W147 W143 W146 W150 W136 W104 W103 W142 W156 W165 W152 W138 W140 W80 W79 W78 W71 W75 W76 W77 W135 W124 W164 W157 W141 W94 W74 W162 W155 W107 W139 W120 W125 W126 W128 W129 W133 W132 W118 W116 W115 W114 W134 W117 W149 W148 W109 W105 W70 W72 W73 W92 W108 W121 W122 W85 W96 W69 W91 W86 W87 W88 W98 W90 W93 ...

Page 5: ... VR3 VR4 2 5 6 7 1 4 3 1 2 9 10 C2 C3 C616 C4 C5 C100 C207 C208 C209 C210 C261 C300 C407 C408 C409 C410 C461 C904 C908 C103 C104 C111 C112 C113 C114 C115 C116 C155 C156 C157 C158 C159 C160 C201 C202 C205 C206 C211 C212 C213 C214 C215 C216 C303 C304 C311 C312 C313 C314 C315 C316 C355 C356 C357 C358 C359 C360 C401 C402 C405 C406 C411 C412 C413 C414 C415 C416 R101 R102 R246 R248 R253 R254 R256 R301 R...

Page 6: ...7P 0 01 C35 0 01 C36 5 6 7 10K R157 R159 20K 10K R161 10K R165 3K R167 VR3 2 3 1 8 4 10K R158 20K R160 10 R1 2 2K R16 2 2K R163 TP226 10K R152 R360 20K R359 20K TP333 R358 C350 47P R354 10K 4 10K R352 R351 10K C39 3 2 0 01 C40 8 1 TP327 0 01 TP351 3 2 430 100 R353 10K VR2 R355 R356 TP349 TP350 430 TP353 TP323 6 5 7 R357 10K 6 5 TP325 TP328 R367 R36 8 4 1 R 1 TP330 2 2 TP33 VR4 2 2K R363 7 R36 10K ...

Page 7: ...61 10K R165 C151 3K R167 5 6 7 8 4 10u 50V C157 100 R175 C159 10u 50V 2 3 1 C155 10u 50V R171 4 7K R177 47K R179 47K R181 2 2K VR3 1 8 4 10K R162 10K R166 C152 0 33 C154 2 2K R164 3K R168 16K R170 0 33 C153 2 2K R163 R169 16K 3 2 1 6 4 7 8 5 10u50 C160 47P C259 1 3K R215 VR6 220 VR5 220 TP226 0 047 C37 0 01 0 047 R178 47K R238 100 C206 4700P R182 10K R21 100K 20K 33 TP374 TP377 R466 10K 10K 6 10K ...

Page 8: ...218 605 606 610 613 616 618 D2 3 FCH10A20 LM1MA142WK G UMZ6 8N 02DZ10F Y D6 34 36 105 111 205 211 D32 33 D4 D604 614 RM4ZLF J4NF 02DZ16F Y D1 02DZ15F Y B30 1601 05 02DZ6 8F Y D607 D610 D606 D7 9 22 101 103 107 110 201 203 204 1SS355 207 210 601 603 605 613 616 D35 37 106 206 229 430 LM1MA142WA G GND LINE SIGNAL LINE B LINE B LINE DC DET D5 FRH10A20 TP391 TP392 TP390 TP395 TP394 6 8K R667 TP393 TP3...

Page 9: ...B C D E φ4x8 φ2 6x12 φ3x10 φ3x6 φ3x8 N09 6218 05 N09 6312 05 N80 3010 43 N83 3006 43 N89 3008 48 X09 5890 S1 VR2 J1 X09 J2 X09 J9 X09 VR1 VR4 VR3 S2 S3 S5 S4 F1 8 1 5 3 4 10 11 7 Bx10 Bx8 Fx2 Gx8 Ex2 Ex2 Ex2 Ex2 Ex2 Cx2 Bundled to the transister Ex2 722 702 721 712 720 E E E E E E C D D A C G C C E E E ...

Page 10: ...110 CC73GCH1H101J CHIP C 100PF J C111 112 CD04BJ1E470M ELECTRO 47UF 25WV C113 116 CD04BJ1H100M ELECTRO 10UF 50WV C117 118 CC73GCH1H101J CHIP C 100PF J C128 CK73GB1H103K CHIP C 0 010UF K C129 CK73GB1H102K CHIP C 1000PF K C150 CC73GCH1H470J CHIP C 47PF J C151 152 CK73GB1H473K CHIP C 0 047UF K C153 154 CK73FB1H334K CHIP C 0 33UF K C155 160 CD04BJ1H100M ELECTRO 10UF 50WV C201 202 CD04BJ1H100M ELECTRO ...

Page 11: ...222J CHIP R 2 2K J 1 10W R201 202 RK73FB2B302J CHIP R 3 0K J 1 8W R203 204 RK73GB2A104J CHIP R 100K J 1 10W R205 206 RK73FB2B433J CHIP R 43K J 1 8W R207 208 RK73FB2B822J CHIP R 8 2K J 1 8W R209 212 RK73FB2B821J CHIP R 820 J 1 8W R213 214 RK73FB2B101J CHIP R 100 J 1 8W R215 216 RK73FB2B132J CHIP R 1 3K J 1 8W R217 218 RK73FB2B152J CHIP R 1 5K J 1 8W R219 220 RK73FB2B101J CHIP R 100 J 1 8W R221 222 ...

Page 12: ...70 RK73GB2A682J CHIP R 6 8K J 1 10W R671 RK73GB2A513J CHIP R 51K J 1 10W VR1 2 R31 0232 15 VARIABLE RESISTOR VR3 4 R31 0215 15 VARIABLE RESISTOR VR5 8 R32 0116 05 SEMI FIXED VARIABLE RESISTOR W301 305 R92 1252 05 CHIP R 0 OHM J 1 16W W306 307 R92 2053 05 CHIP R 0 OHM J 1 8W W308 R92 1252 05 CHIP R 0 OHM J 1 16W W309 311 R92 2053 05 CHIP R 0 OHM J 1 8W W312 315 R92 1252 05 CHIP R 0 OHM J 1 16W W316...

Page 13: ...GITAL TRANSISTOR Q101 102 2SC4081 TRANSISTOR Q103 106 2SA1576A R S TRANSISTOR Q107 110 2SC1845 A F E TRANSISTOR Q111 112 2SA992 A F E TRANSISTOR Q113 114 2SC3419 Y F TRANSISTOR Q115 116 2SC1845 A F E TRANSISTOR Q117 118 2SA992 A F E TRANSISTOR Q119 120 2SC1627A F TRANSISTOR Q121 122 2SA817A F TRANSISTOR Q123 124 2SC4467NF TRANSISTOR Q125 126 2SA1694NF TRANSISTOR Q201 202 2SC4081 TRANSISTOR Q203 20...

Page 14: ...10kΩ Low Pass Filter Frequency 12dB oct 50 200Hz variable High Pass Filter Frequency 12dB oct 50 200Hz variable General Operating Voltage 14 4V 11 16V allowable Current Consumption 25A Dimensions W x H x D 330 x 59 x 242 mm 13 x 2 5 16 x 9 8 16 inch Weight 3 0kg 6 6 lbs CEA 2006 RMS Watts per channel 4Ω 1 THD N 40W x 4 RMS Watts per channel 2Ω 1 THD N 50W x 4 KENWOOD follows a policy of continuous...

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