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KAC-5203

5

J

I

H

G

F

1

2

3

4

5

6

7

X09-8612-70

Ref. No.

Address

IC1

3F

IC2

4G

IC3

5G

IC4

5D

IC5

6D

Q3

5C

Q4

4C

Q5

4C

Q6

5C

Q7

2C

Q8

2C

Q201

4E

Q202

4E

Q203

4E

Q204

4E

Q205

3E

Q206

5E

Q207

4E

Q208

5E

Q209

4F

Q210

5E

Q211

2F

Q212

6E

Q213

3E

Q214

6F

Q215

3G

Q216

6E

IC1

IC2

IC3

W7

W6

C13

W84

C14

C103

C104

C149

C151

C152

C153

C154

C201

C202

C207

C208

C304

C307

C308

C309

C310

C609

B

E

B

B

E

B

E

B

E

B

E

B

B

E

BE

1

2

9

10

R234

R235

W12

W27

W10

W25

W19

W24

W21

W16

W26

W11

W23

W32

W15

W17

W9

W2

W3

W1

W4

W5

W8

W20

29

W22

W28

W31

W18

W14

W30

W82

W13

C617

W83

R23

R24

VR1

R306

W165

C107

C115

C303

R634

C101

C102

C105

C106

C108

C109

C110

C111

C112

C113

C114

C116

C119

C203

C204

C213

C214

C215

16

C217

C218

C301

C302

C305

C306

C610

C611

C612

C613

R663

R101

R102

R103

R104

R105

R106

R107

R108

R109

R110

R111

R112

R113

R114

R115

R116

R117

R118

R119

R120

R121

R122

R123

R124

R149

R151

R152

R153

R154

R155

R156

R201

R202

R205

R209

R211

215

217

R219

R220

R221

R222

R223

R224

R225

E

B

B

E

R226

R227

R228

9

R230

R231

R238

R239

R301

R302

R303

R304

R305

W102

R307

R308

R309

R310

R311

R635

R636

R637

R638

R639

R640

R641

R642

R643

R644

R645

R647

R649

W104

W106

W113

W118

W115

W114

W107

W109

W111

W112

W110

W117

W116

W103

W121

W124

W126

W125

W108

W122

R658

W120

W119

W123

W101

W105

R659

R660

R661

C130

R130

C131
R131

W135

R662

W156

W162

W146

8

5

1

4

8

5

1

4

4

1

5

8

B E

B E

B E

BE

B
E

CN2

D203

D617

205

Q207

Q209

Q214

Q215

Q618

Q620

J1

J2

Q211

Q212

Q218

Q219

0

S1

OFF-LPF

D8

D101

D9

D102

D103

D104

D612

D613

D615

D616

Q201

02

Q615

Q616

Q622

Q623

Ref. No.

Address

Q217

2E

Q218

6G

Q219

2F

Q220

6E

Q601

6C

Q602

6B

Q603

6B

Q604

6C

Q605

6D

Q606

6C

Q607

7C

Q608

6C

Q609

7C

Q610

6D

Q611

7C

Q612

7D

Q613

7D

Q614

7D

Q615

5F

Q616

5F

Q617

3E

Q618

3F

Q619

6E

Q620

6F

Q621

6D

Q622

4F

Q623

4E

Refer to the schematic diagram for the values of
resistors and capacitors.

Summary of Contents for KAC-5203

Page 1: ...55 POWER AMPLIFIER KAC 5203 SERVICE MANUAL Screw washer N09 4215 08 Panel A64 4134 02 Screw set N99 1587 05 Accessory W01 1607 05 Fuse 25A F52 0014 05 Rear panel A84 0463 02 Connecting cord assy E30 6145 05 This product uses Lead Free solder ...

Page 2: ...621 6dB IC3 LPF 80Hz 12dB OCT INPUT SENSE AMPLIFIER ISOLATION IC1 2 VR1 LINE IN Lch LINE IN Rch IN SPEAKER IC3 Q615 616 MUTE Q217 219 AMPLIFIER POWER Q218 220 J1 J2 J3 Rch SPEAKER OUT SPEAKER OUT Lch DC DC CONVERTER L1 15V AVR D8 9 THERMAL PROTECTION TH1 Q602 Q3 OVER VOLTAGE PROTECTION P CON CIRCUIT P CON BATT POWER AMPLIFIER 11dB 0dB 27dB ...

Page 3: ...rning power ON OFF the protection functions Q615 616 Mute Q617 621 Over current DET Q622 623 Attenuator D1 BATT Reverse Connection Protection D2 3 IC4 Reverse Breakdown Voltage Protection D4 Mute Driver D6 7 DC DC Rectifier D8 9 15V AVR D101 104 Static Electricity Countermeasure D201 202 Difference AMP 2nd Stage D203 204 Current Mirror D601 Voltage Supply D602 Over voltage DET D603 Voltage Supply ...

Page 4: ...R214 R215 R216 R217 R218 R219 R222 R223 R22 E B B R226 R228 R229 R232 R238 R251 R252 R253 R254 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R617 R618 R619 R620 R621 R622 R623 R624 R625 R626 R627 R628 R629 R630 R631 R632 R633 R642 R644 R646 R648 R650 R651 R652 R653 R654 R655 R656 TH1 W160 W159 W154 W155 W127 W150 W152 W141 W142 W149 W151 W147 W140 W158 W153 W157 W163 W164 W144 W...

Page 5: ...15 R116 R117 R118 R119 R120 R121 R122 R123 R124 R149 R151 R152 R153 R154 R155 R156 R201 R202 R205 R209 R211 215 217 R219 R220 R221 R222 R223 R224 R225 E B B E R226 R227 R228 9 R230 R231 R238 R239 R301 R302 R303 R304 R305 W102 R307 R308 R309 R310 R311 R635 R636 R637 R638 R639 R640 R641 R642 R643 R644 R645 R647 R649 W104 W106 W113 W118 W115 W114 W107 W109 W111 W112 W110 W117 W116 W103 W121 W124 W126...

Page 6: ...06 15P C106 10K R108 12K R110 0 01 C108 3 9K R112 0 1 C119 3 9K R114 120 R116 3 9K R120 C114 47P R124 22K C110 47P 3 9K R118 R122 22K 15P C112 0 01 C116 47u25 C13 2200u35 C11 47u25 C14 2200u35 C12 2W 820 R23 2W 820 R24 1000P C10 1 2W 10 R22 1000P C9 1 2W 10 R21 47 R632 6 8K R630 47 R633 6 8K R631 10K R629 33K R627 10K R628 33K R626 5 6K R624 0 1 C608 4 R6 47K R625 10K R667 3 3K R666 10K R665 R664 ...

Page 7: ...6 4 7K C6 0 01 R4 100K 47u25 C5 2 2K R5 10K R12 10u50 C2 R3 22K C3 1000P R2 10K R1 1K TH1 3 6K R605 3 6K R601 30K R604 3 9K R602 3 9K R603 1 5K R606 3 3K R607 10u50 C1 10u50 C601 0 01 12K R620 12K R619 10K R617 2 2K R618 0 01 C604 C603 0 01 2 2K R616 1 2K R615 33K R612 10K R613 10K R611 4 7K R610 33K R609 2 2K R608 5 6K R621 100u10 C605 1K R657 5 6K R624 0 1 C608 47K R623 100 R622 33u35 C607 47K R...

Page 8: ... supplied EXPLODED VIEW 3 2 1 B A X09 8612 70 J3 J1 J2 Insulated sheet is contained in transistor Ax3 Ex7 Ax7 Bx3 Cx3 Cx2 Dx2 706 702 F1 4 1 9 8 DC1 3 B C C C C C C X09 X09 X09 C C 711 A B C D E N09 6365 05 N80 3010 43 N89 3008 48 N09 6447 05 N09 4215 08 φ2 6x13 φ3x10 ...

Page 9: ...CTRO 47UF 25WV C209 210 CC73GCH1H060D CHIP C 6 0PF D C211 212 CC73GCH1H101J CHIP C 100PF J C213 214 CC73GCH1H030C CHIP C 3 0PF C C215 216 CC73GCH1H470J CHIP C 47PF J C217 218 CK73GB1H103K CHIP C 0 010UF K C219 220 CC73GCH1H470J CHIP C 47PF J C221 CD04BJ1V221M ELECTRO 220UF 35WV C301 302 CK73GB1H104K CHIP C 0 10UF K C303 CK73GB1H103K CHIP C 0 010UF K C304 CD04BJ1H100M ELECTRO 10UF 50WV C305 CC73GCH...

Page 10: ... J 1 10W R626 627 RK73GB2A333J CHIP R 33K J 1 10W R628 629 RK73GB2A103J CHIP R 10K J 1 10W R630 631 RK73GB2A682J CHIP R 6 8K J 1 10W R632 633 RK73GB2A220J CHIP R 22 J 1 10W R634 RK73GB2A154J CHIP R 150K J 1 10W R635 RK73GB2A104J CHIP R 100K J 1 10W R636 RK73GB2A332J CHIP R 3 3K J 1 10W R637 638 RK73GB2A103J CHIP R 10K J 1 10W R639 RK73GB2A332J CHIP R 3 3K J 1 10W R640 641 RK73GB2A104J CHIP R 100K ...

Page 11: ... IC1 3 BA4560RF ANALOGUE IC IC4 TL494IDR ANALOGUE IC IC5 BA4560RF ANALOGUE IC Q3 2SC4097 TRANSISTOR Q4 5 2SA1577 TRANSISTOR Q6 2SC4097 TRANSISTOR Q7 8 STP60NF06FP FET Q201 204 2SA1576A R S TRANSISTOR Q205 206 2SA992 A F E TRANSISTOR Q207 210 2SC1845 A F E TRANSISTOR Q211 212 2SC3419 Y F TRANSISTOR Q213 214 2SC1627A F TRANSISTOR Q215 216 2SA817A F TRANSISTOR Q217 218 2SC4468NF TRANSISTOR Q219 220 2...

Page 12: ...ity rated output MAX 0 2V Sensitivity rated output MIN 5 0V Signal to Noise Ratio 95dB Input Impedance 10kΩ Low Pass Filter Frequency 12dB oct 80Hz General Operating Voltage 14 4V 11 16V allowable Current Consumption 17A Dimensions W x H x D 230 x 55 x 198 mm 9 1 16 x 2 3 16 x 7 13 16 inch Weight 1 7kg 3 75lbs KENWOOD follows a policy of continuous advancements in development For this reason speci...

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