Kenwood KAC-6404 Service Manual Download Page 8

Page: 8 / 18

KAC-6404/7404/M645/M845

X09-8722-70/2-71 (3/4)

Q204

Q206

D204

Q220

Q214

Q212

D208

Q216

∗

Q224

Q202

Q208

D202

D201

Q203

Q201

Q207

Q205

D203

Q106

D104

Q221

Q210

D206

Q218

D210

D211

Q213

Q209

D205

Q211

D209

Q217

Q215

Q222

∗

Q226

∗

Q225

Q219

Q120

D207

Q114

Q112

D108

Q116

∗

Q223

∗

Q124

Q610

Q602

D610

D608

D601

D602

Q104

Q102

Q108

D102

Q103

Q101

D101

Q107

Q105

D103

Q122

Q121

Q110

D106

Q118

D111

D110

Q109

D105

Q117

D109

∗

Q126

∗

Q125

Q119

Q113

Q111

D107

Q115

∗

Q123

Q601

AL POWER AMP

AR POWER AMP

BL POWER AMP

BR POWER AMP

MUTE

OVER

DET

CURRENT

C422 1000P

R442

C418

0.01

R432 560

∗

R416

R414

C402

10u50

470P

R430 1.8K

C410

R434

C416

R428

47K

R472

100

R436

C420 1000P

R440

150

R407

15K

R410

R466

10K

R406 47K

C404 470P

R409

R420

R412

1.5K

C406

4700P

100

C412

100P

R411

1.5K

R419

R465

10K

C403 470P

R405 47K

TP362

C401

10u50

C405

4700P

TP374

TP375

R413

100

TP373

TP61

R208

15K

R224

∗

R222

R429 1.8K

∗

R452

R437

100

R438

100

C425

560

R431

R427

47K

R471

R441

R439

R448

4.7

470P

C409

100

R435

470P

R226

150

C210

R234

R236

100

C220 1000P

R240

R445

4.7

R254

0.1 2W

12K

R629

C606 100u10

10K

R617

TP381

R632 47K

C601

C612 10u50

33u35

R603

R219

150

R220

∗

R221

R206 47K

C204 470P

R266

10K

R210

4700P

∗

R216

R214

100

C206

R212

1.5K

R265

10K

R209

C203 470P

R205 47K

C201

10u50

R211

1.5K

C205

4700P

R213

100

∗

R215

R223

R207

15K

∗

R252

C230 100P

C216

R228

47K

C214 100P

100

C222 1000P

R242

R238

100

C227

C215

R227

47K

R231

560

C217

0.01

R241

R239

R256

0.1 2W

R248

4.7

R631

R255

0.1 2W

R253

0.1 2W

∗

R249

R225

150

C209

470P

R235

100

R660 10K

R602 1.2K

R604

R626

22K

TP391

1000P

C421

1000P

C419

470

R443

0.1

R455

0.1

R453

∗

R451

4.7

R447

∗

R449

R433

C417 0.01

C415 5P

∗

R421

150

R423

150

R425

100P

C427

47P

C459

100P

C413

100K

R403

47u25

C407

∗

R415

100K

R404

∗

R422

C426

15K

R408

47P

C460

150

R424

150

R426

100P

C414

100P

C428

100P

C411

470

R444

∗

R450

0.1

R454

0.1

R456

TP367

TP43

TP42

TP366

TP44

TP41

TP378

TP376

TP377

TP360

TP58

TP59

TP369

TP371

TP370

TP372

TP365

TP40

TP364

TP38

TP37

1.8K

R229

R271

R233

1000P

C219

470

R243

4.7

R245

1000P

C221

100

R237

560

R232

R272

1.8K

R230

TP39

470

R244

100P

C229

100P

C213

100P

C211

47u25

C207

47u25

C408

47P

C259

100K

R203

C228

100P

C212

47u25

C208

100K

R204

10u50

C202

47P

C260

C218 0.01

4.7

R246

∗

R250

∗

R251

4.7

R247

4.7

R446

47K

R622

47K

R623

47K

R620

47K

R621

100u50

C225

6
8

SW12V

Summary of Contents for KAC-6404

Page 1: ... RIGHT BATT LINE IN LPF FREQUENCY Hz INPUT SENSITIVITY V MIN MAX OFF LPF B ch FILTER SPEAKER LEVEL INPUT OFF LPF A ch FILTER A ch MIN MAX B ch B ch 4 3 2 Channel MAXIMUM Power Amplifier POWER 4 3 2 Channel MAXIMUM Power Amplifier POWER 4 3 2 Channel Power Amplifier MAXIMUM POWER 4 3 2 Channel MAXIMUM Power Amplifier POWER 4 3 2 Channel MAXIMUM Power Amplifier POWER FUSE 25A KAC 7404 E type KAC 640...

Page 2: ...ER AMP AR SP OU TPU T MUTE ATT POWER AMP BL INV MUTE ATT POWER AMP BR BATT GND P CON THERMAL DET DC OFFSET DET POWER ON OFF DC DC CON FAN AVR FAN LC FILTER 15V AVR OVERLOAD B AMP AMP AMP L P F ON OFF DET IC1 2 IC1 2 IC3 4 IC3 4 IC9 IC9 IC8 IC8 IC7 IC7 IC5 Q127 131 Q128 132 Q227 231 Q228 232 Q101 Q102 Q201 Q202 Q103 125 Q104 126 Q203 225 Q204 226 TH3 IC10 Q611 614 Q610 Q3 4 D4 5 IC13 Q1 2 5 12 Q604...

Page 3: ...03 206 Differential first stage amplifier Q107 110 207 210 Differential second stage amplifier Q111 112 211 212 Differential second stage current mirror Q113 114 213 214 Idling temperature detection Q115 118 215 218 Current limiter Q119 122 219 222 Power amplifier driver Q123 126 223 226 Power amplifier final Q127 128 131 132 227 228 231 232 Protector ATT Q601 Shock noise prevention circuit contro...

Page 4: ...G R13 R14 R15 R18 R20 R21 R22 R24 R25 R28 R230 R232 R234 R236 R238 R240 R242 R244 R246 R248 R250 R252 R429 R433 R435 R438 R439 R442 R44 R445 R448 R449 R452 R601 R603 R604 R605 R607 R610 R611 R612 R615 R624 R626 R631 R660 R667 R671 W592 W591 W585 W584 W581 W580 W583 W579 W576 W577 W572 W57 W575 W573 W590 W589 W588 W574 W586 W587 W582 W596 C424 C224 R458 C223 R258 R272 W600 R627 R23 C423 C9 C8 C12 R...

Page 5: ...459 C460 C607 C227 C228 C425 C426 W598 R18 R20 R21 R22 R25 R28 R32 R33 R34 R37 R38 R105 R106 R109 R110 R111 R112 R117 R118 R121 R122 R123 R124 R125 R126 R151 R152 R154 R165 R166 R201 R202 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 R229 R231 R233 R235 R237 R239 R241 R243 R245 R247 R249 R251 R259 R260 R265 R266 R267 R268 R269 R270 R305 R306 R309 R310 R311 R312 R317 R318 R3...

Page 6: ... 5 8 7 R321 100K 2 2K R323 R325 100K 1 2 R322 2 2K R326 100K 100K R324 10u50 C313 C315 10u50 C316 10u50 10u50 C314 R121 2 2K R122 2 2K R124 100K R126 100K R125 100K R123 100K C114 10u50 C116 10u50 C115 10u50 C113 10u50 R319 47K C312 47u25 R318 10K C310 100P C34 0 01 C33 0 01 C309 100P R320 47K 6 R317 10K 4 8 5 7 C311 47u25 R38 10 VR2 10K 10 R37 R15 R152 10K VR1 10K 10 C108 15P R101 1K R102 1K 2 4 ...

Page 7: ...8 C155 0 01 0 01 6 5 7 8 4 R181 47K 10u50 C159 10u50 R180 47K R202 3 3K R218 13K R179 47K 3 3K R217 13K R201 6 5 7 1 2W 47u25 10u50 C3 47u25 C5 C2 C4 10u50 C28 2200u35 C29 2200u35 R5 1 2W L2 3300u16 3300u16 C11 C10 10 R9 1 2W L5 2200u16 2200u16 C25 C26 R15 47 3300u50 C7 3300u50 C6 TH3 R4 22 R13 22 C19 0 1 R36 2K R32 200 C21 0 01 C20 0 01 3 2 1 4 470K 8 R1 100 R33 R2 C15 0 1 10u50 C18 R11 4 7K R10 ...

Page 8: ...R617 TP381 R632 47K C601 C612 10u50 33u35 R603 10 R219 150 R220 R221 R206 47K C204 470P R266 10K R210 4700P R216 R214 100 C206 R212 1 5K 1 5K R265 10K R209 C203 470P R205 47K C201 10u50 R211 1 5K 1 5K C205 4700P R213 100 R215 R223 R207 15K R252 C230 100P C216 R228 47K C214 100P 100 C222 1000P R242 1K R238 100 100 C227 3P C215 5P R227 47K R231 560 C217 0 01 R241 1K R239 1K R256 0 1 2W R248 4 7 R631...

Page 9: ...L1 L4 5uH GND 10 10u50 BR AR 1 2 BL AR BR AL 3 4 5 6 AL BL P CON 7 8 9 C1 40A 25A FUSE BATT 11 TP392 TP393 TP394 TP395 6 8K R665 22 R661 22 R662 10K R663 10K R664 R666 6 8K R667 33K R669 TP391 TP53 TP52 TP51 TP48 TP49 TP46 TP50 TP368 TP45 TP47 10 1 2W 10 1 2W 10 1 2W TP55 TP54 TP56 R605 33K TP62 R619 R608 10u50 C603 3 3K R614 3 9K R616 R601 10K TP379 R668 BU BU SW12V CAUTION For continued safety r...

Page 10: ... 2608 43 N89 3006 43 N89 3008 48 N89 3014 48 N09 6447 05 N07 0003 08 N09 4214 08 X09 872 J1 J2 J9 VR3 VR2 VR1 F1 Bundled to the transistor Ax6 Ax4 Ax2 Yx2 Fx2 Zx4 Zx5 Gx2 Ax2 Ex3 Cx2 Cx2 Fx2 Ex2 Ex2 Ex2 Ex2 E D D E E E E E E E B D D E A A 708 712 E 1 16 5 4 7 15 717 702 713 709 3 10 713 Bx3 709 10 ONLY USED KAC 7404 M845 ONLY USED KAC 7404 M845 ONLY USED KAC 7404 M845 ONLY USED KAC 7404 M845 ONLY ...

Page 11: ... C 0 10UF K C20 21 CK73GB1H103K CHIP C 0 010UF K C22 CD04BJ1H100M ELECTRO 10UF 50WV C23 24 CK73GB1H103K CHIP C 0 010UF K C25 26 CD04AZ1C222M ELECTRO 2200UF 16WV KE1M2 C27 CD04BJ1H100M ELECTRO 10UF 50WV C28 29 CD04AZ1V222M ELECTRO 2200UF 35WV KE1M2 C30 37 CK73GB1H103K CHIP C 0 010UF K C41 44 CK73GB1H103K CHIP C 0 010UF K C100 102 CK73GB1H102K CHIP C 1000PF K C103 104 CD04BJ1H100M ELECTRO 10UF 50WV ...

Page 12: ...22J CHIP R 2 2K J 1 10W R36 RK73GB2A202J CHIP R 2 0K J 1 10W R37 RK73GB2A474J CHIP R 470K J 1 10W R38 RK73GB2A562J CHIP R 5 6K J 1 10W R39 RK73GB2A222J CHIP R 2 2K J 1 10W R100 102 RD14BB2C102J RD 1 0K J 1 6W R103 104 RK73GB2A103J CHIP R 10K J 1 10W R105 106 RK73GB2A472J CHIP R 4 7K J 1 10W R107 108 RK73GB2A103J CHIP R 10K J 1 10W R109 110 RK73GB2A123J CHIP R 12K J 1 10W R111 118 RK73GH2A103D CHIP...

Page 13: ...B2A333J CHIP R 33K J 1 10W R610 RK73GB2A303J CHIP R 30K J 1 10W R611 612 RK73GB2A362J CHIP R 3 6K J 1 10W R613 RK73GB2A152J CHIP R 1 5K J 1 10W R614 RK73GB2A332J CHIP R 3 3K J 1 10W R615 RK73GB2A392J CHIP R 3 9K J 1 10W R616 RD14BB2C392J RD 3 9K J 1 6W R617 RK73GB2A123J CHIP R 12K J 1 10W R618 RK73GB2A222J CHIP R 2 2K J 1 10W R619 RK73EB2E472J CHIP R 4 7K J 1 4W KE1M2 R619 RK73EB2E562J CHIP R 5 6K...

Page 14: ...IODE D601 603 1SS355 DIODE D604 UDZS10B ZENER DIODE D605 1SS355 DIODE D606 UDZS15B ZENER DIODE D607 UDZS6 8B ZENER DIODE D608 1SS355 DIODE D609 UDZS12B ZENER DIODE EM1 D613 1SS355 DIODE D614 UDZS10B ZENER DIODE D615 616 1SS355 DIODE EM1 D616 1SS355 DIODE KE1M2 IC1 5 BA4560RF ANALOGUE IC IC7 10 BA4560RF ANALOGUE IC IC13 TL494IDR ANALOGUE IC Q1 2 STP60NF06FP FET Q3 2SD2012 F TRANSISTOR Q4 2SB1375 F ...

Page 15: ...n Blue Violet ppm C 0 80 150 220 330 470 750 Tolerance More than 10pF Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10μF 10 50 20 20 0 Less than 4 7μF 10 75 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 50...

Page 16: ...Bridged 4 Ω 1 kHz 1 THD KAC 7404 M845 180 W 2 KAC 6404 M645 130 W 2 INSTALLATION SPECIFICATIONS Frequency Response 0 3 dB 5 Hz 50 kHz Sensitivity rated output 0 2 V 5 0 V Signal to Noise Ratio 94 dB Input Impedance 10 kΩ Low Pass Filter Frequency 12 dB oct 50 200 Hz variable High Pass Filter Frequency 12 dB oct 80 Hz General Operating Voltage 14 4 V 11 16 V allowable Current Consumption KAC 7404 M...

Page 17: ...36 R355 R356 R367 R373 R403 R404 R405 R406 R606 R613 R614 R635 R636 R661 R662 R663 R664 R670 TH3 C101 C102 C301 C302 R103 R104 R107 R108 R113 R114 R303 R304 R307 R308 R313 R314 C14 C105 C106 C107 C108 C109 C110 C128 C150 C151 C152 C153 C154 C217 C218 C219 C220 C221 C222 C259 C260 C305 C306 C307 C308 C309 C310 C352 C353 C417 C418 C419 C420 C421 C422 C459 C460 C607 C227 C228 C425 C426 W598 R3 R4 R12...

Page 18: ...1 R20 330K R21 C14 0 01 10K R25 R26 R27 22K 4 7K 1K R22 3 3K C16 47u25 C422 1000P 2W R442 1K C418 0 01 R432 560 R416 R414 C402 10u50 470P R430 1 8K C410 R434 56 5P C416 R428 47K R472 82 100 R436 C420 1000P R440 1K 2W 150 R407 15K R467 10K R468 10K R410 R466 10K R406 47K C404 470P R409 R420 R412 1 5K 1 5K C406 4700P 100 C412 100P R411 1 5K 1 5K R419 R465 10K C403 470P R405 47K TP362 C401 10u50 C405...

Search results

Summary of Contents for KAC-6404

Reviews:

Brands by name

Popular brands

Kenwood KAC-6404, Service Manual

Search results

Summary of Contents for KAC-6404

Reviews:

Brands by name

Popular brands