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KAC-6202

7

J

I

H

G

F

1

2

3

4

5

6

7

X09-5900-10 (2/2)

CAUTION : For continued
safety, replace safety criti-
cal components only with
m a n u f a c t u r e r ’ s   r e c o m -
mended parts (refer to parts
list).

  Indicates safety critical

components. To reduce the
risk of electric shock, leak-
age-current or resistance
measurements shall be car-
ried out (exposed parts are
acceptably insulated from
the supply circuit) before the
appliance is returned to the
customer.

• DC voltages are as mea-

sured with a high imped-
ance voltmeter. Values
may vary slightly due to
variations between indi-
vidual instruments or/and
units.

D202

Q615

Q207

Q209

Q211

D206

D207

Q613

Q219

Q221

D210

Q213

Q217

Q215

Q225

Q223

Q609

P1

Q607

Q606

Q605

Q502

Q501

D8

D9

Q5

Q614

Q8

Q6

Q2

Q7

Q4

Q3

Q1

Q612

Q611

D7

Q610

D502

D503

D603

D608

D609

D610

D607

D501

LOGO LED

D605

D604

D606

J3

D1

D204

D208

Q212

Q208

D203

D205

Q210

Q222

D211

Q218

Q226

Q214

Q220

D209

Q216

Q224

OVER CURRENT

D6

D5

D4

PROTECTION

OP NOISE MUTE

Q604

Q601

Q602

Q603

D601

DC/DC CONV.

+B SW

POWER
AMP

DC/DC CONVERTER

TP46

TP59

TP40

TP242

TP187

TP189

TP185

TP212

TP181

TP197

TP206

TP204

TP211

TP208

TP200

TP94

TP199

TP219

TP245

TP233

TP227

TP226

TP230

TP228

TP231

TP232

TP89

TP246

TP239

TP237

TP236

TP238

TP240
TP241

TP243
TP244

TP76

TP48

TP47

TP50

TP44

TP61

TP39

TP45

TP58

TP220

L3

TP60

TP71

TP65

TP67

TP98

TP73

TP66

TP64

TP63

TP69

TP75

TP72

TP77

TP95

TP90

1.5K

R15

1.5K

R14

56

R18

56

R19

56

R21

56

R20

10

9

3.3K

R505

3.3K

R506

2200u35

C7

+

2200u35

C8

+

+

+

+

10u50

C502

C503

10u50

+

1/2W

10

R24

1000P

C5

1/2W

10

R25

1000P

C6

3300u16

C10

4.7K

R22

4.7K

R23

+

0.01

C613

12K

R613

5.6K

R615

2.2K

R612

2.2K

R638

0.01

C604

100

R633

33u35

C609

820

R634

33K

R631

10K

R632

33K

R627

10K

R630

10u50

C608

R614

12K

100u25

C603

C602

0.01

R611

10K

4.7K

R629

5.6K

R628

3.3K

R626

30K

R625

R623

R636

R621

R622

10u50

C607

1.5K

R624

3.9K

3.9K

3.6K

3.6K

7

6

5

4

3

2

1

10u25

C11

TP225

TP229

6uH

L1

150

R248

150

R252

6.2K

R250

4

7u

2

5

100P

C227

1

.3K

3P

C901

C229 6P

33K

R256

470P

C233

47P

C231

10

R258

100

R254

100

R263

33

R289

1.8K

R259

0.01

C243

1.8K

R267

1.8K

R269

220

R283

4.7

R285

1.8K

R271

2W

0.1

R275

1.8K

R273

2W

0.1

R277

4.7

R286

0.047

C239

R279 47K

R280 47K

R620 47K

510

R261

100

R265

0.047

C240

10

R282

10

R281

12K

R619

100u10

C606

10K

R618

VR3

220

4700P

C237

4700P

C235

100

150

4

7u

2

5

1

.3K

R255

C228

100P

6.2K

R251

150

R249

R253

C238

4700P

R262

510

R278

0.1

2W

R274

R270

1.8K

C902

3P

TP188

C232

47P

TP205

R266

100

TP182

R287

4.7

1.8K

TP210

R257

33K

C230

C234

470P

VR4

TP190

220

TP186

R260

1.8K

R290

33

R284

C244

0.01

C236

R268

1.8K

4700P

R264

100

R288

4.7

1.8K

220

R272

TP209

2W

R276

0.1

6P

TP184

220u35

+

C241

TP192

TP78

C4

10K

R10

R8 2.2M

27K

27K

IN2+

REF

OUTCTRL

C2

VCC

IN2-

E2

E1

TP83

C1

10u50

R11 16K

CT

RT

C1

GND

8

7

6

C9 0.01

C2 1000P

10K

TP85

0.1u50

3.3K

R9

2.2u50

C12

TP81

TP88

R4

R26 390

100K

R2

C3

R3 1.5K

47u25

R6

TH1

1K

FBACK

DTC

IN1-

5

4

3

2

IN1+

1

9

10

10

9

11

12

15

14

13

16

10K

TP235

33K

R604

R605

10K

R606

R609

6.8K

R607

R610

TP52

6.8K

R608

TP54

20

20

TP51

TP234

TP53

5.6K

R601

0

.1u50

R602

47K

R637

33K

R603

51K

R1

R7

+B

B

+

+

+

+

+

+

+

+

+

+

+

IC7

KAC-6202

10K

10K

10K

10K

14.4V

0V

3.6V

5.0V

0V

14.4V

2.5V

0V

30.7V

-30.7V

14.4V

14.4V

30.7V

-30.7V

B

C

E

B

E C

2SA817A-F
2SA992-A
2SC1627A-F
2SC1845-A

2SA1576A

2SC3419

2SB1375-F
2SD2012-F

2SC4081

DTA114EUA

Summary of Contents for KAC-6202

Page 1: ...02 SERVICE MANUAL This product uses Lead Free solder Accessory W01 1607 05 190mm Screw set N99 1587 05 Fuse F52 0014 05 Connecting cord assy E30 6145 05 Stereo Bridgeable Powe Amplifie Stereo Bridgeable Powe Amplifie MAXIMUMPOWER KAC 6202 E type M type KAC 6202 K type ...

Page 2: ...sistor for muting B class step Q203 206 Differential amplifying transistor Transistor for first step differentiation amplification Q207 210 Differential amplifying transistor Transistor for second step differentiation amplification Q211 212 Current mirror load Current mirror load of second step differentiation Q213 214 Temperature compensating transistor For prevention of thermal runaway of the fi...

Page 3: ...kflow prevention diode D8 9 Rectifying diode Rectification on the secondary power supply side D101 103 Static protection diode For circuit protection against static D201 Switching Backflow prevention diode D202 203 Operation stabilizer diode Contains thermal fluctuation of transistor Vbe of second step differentiation D204 205 Current mirror load Current mirror circuit load D206 211 Switching Back...

Page 4: ...R24 R25 R275 R278 R285 R287 R621 R622 R633 W187 W186 W185 W171 W197 W198 W183 W200 W174 W173 W179 W184 W167 W161 W201 W178 W177 W181 W180 W182 W168 W208 W172 W206 W145 W150 W151 W159 W160 W163 W162 W165 W158 W164 W156 W157 W166 W176 W175 W170 W169 W146 W148 W196 W192 W195 W190 W188 W189 W191 W193 W194 W153 W155 W W154 W205 W199 W202 W203 W204 W149 S D G S D G B E E B E B B E B E B E B E B E B E B ...

Page 5: ...326 W321 W305 W303 W355 W330 W412 W329 W374 W393 R291 MAX MIN MIN MAX Rch Lch 1 C205 C206 C504 C601 C505 C605 C117 C225 C226 C233 C234 C502 C503 W106 R133 C103 C104 C111 C112 C113 C114 C115 C116 C241 C213 C214 C215 C216 C219 C220 C231 C232 C235 C237 C238 C606 R101 R102 C611 C612 R256 R257 R258 R276 R277 R285 R286 R288 R505 R506 W119 W135 W131 W145 W133 W132 50 W151 W134 W116 W137 W126 W141 W111 W1...

Page 6: ...K R112 10K R133 1K R111 10K C117 1000P C108 0 01 15P C110 15P C109 47u25 C112 R120 10K C120 100P C119 100P R119 10K 10 R138 0 1 C118 8 5 6 7 4 3 2 1 10K R110 0 01 C107 10K R109 8 6 5 7 C122 100P C121 100P R118 10K R117 10K 4 1 3 2 47u25 C111 47K R121 430 R126 R125 430 5 6 3 1 2 4 7 9 8 10 2 2K R131 47K R134 R135 47K R136 47K R137 47K R132 2 2K 10u35 C114 10u35V C113 10u35 C115 10u35 C116 56K R127 ...

Page 7: ...0P C6 3300u16 C10 4 7K R22 4 7K R23 0 01 C613 12K R613 5 6K R615 2 2K R612 2 2K R638 0 01 C604 100 R633 33u35 C609 820 R634 33K R631 10K R632 33K R627 10K R630 10u50 C608 R614 12K 100u25 C603 C602 0 01 R611 10K 4 7K R629 5 6K R628 3 3K R626 30K R625 R623 R636 R621 R622 10u50 C607 1 5K R624 3 9K 3 9K 3 6K 3 6K 7 6 5 4 3 2 1 10u25 C11 TP225 TP229 6uH L1 150 R248 150 R252 6 2K R250 47u25 100P C227 1 ...

Page 8: ...A X09 5900 J1 X09 S1 X09 VR1 X09 VR2 X09 S2 X09 J2 X09 J3 X09 F1 8 1 5 3 4 10 11 7 Bx7 Bx5 Fx7 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 C C E E E A 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 ...

Page 9: ...102K CERAMIC 1000PF K C118 CK73FB1H104K CHIP C 0 10UF K C119 122 CC73GCH1H101J CHIP C 100PF J C203 204 CK73GB1H103K CHIP C 0 010UF K C205 206 CD04BJ1H100M ELECTRO 10UF 50WV C207 208 CK73GB1H473K CHIP C 0 047UF K C209 210 CK73FB1H334K CHIP C 0 33UF K C211 212 CK73GB1H103K CHIP C 0 010UF K C213 216 CD04AS1V100M ELECTRO 10UF 35WV C219 220 CD04BJ1H100M ELECTRO 10UF 50WV C221 222 CC73GCH1H471J CHIP C 4...

Page 10: ... 4W R283 284 RK73FB2B221J CHIP R 220 J 1 8W R285 288 RD14NB2E4R7J RD 4 7 J 1 4W R289 290 RK73GB2A330J CHIP R 33 J 1 10W R291 292 RK73GB2A103J CHIP R 10K J 1 10W R505 506 RD14BB2C332J RD 3 3K J 1 6W R601 RK73GB2A562J CHIP R 5 6K J 1 10W R602 RK73GB2A473J CHIP R 47K J 1 10W R603 604 RK73GB2A333J CHIP R 33K J 1 10W R605 606 RK73GB2A103J CHIP R 10K J 1 10W R607 608 RK73GB2A682J CHIP R 6 8K J 1 10W R60...

Page 11: ... R92 1252 05 CHIP R 0 OHM J 1 16W W411 R92 2053 05 CHIP R 0 OHM J 1 8W W412 418 R92 1252 05 CHIP R 0 OHM J 1 16W W419 R92 2053 05 CHIP R 0 OHM J 1 8W W420 422 R92 1252 05 CHIP R 0 OHM J 1 16W S1 S62 0842 05 SLIDE SWITCH S2 S31 2630 05 SLIDE SWITCH D1 RM4ZLF J4NF DIODE D4 6 1SS133 DIODE D7 LM1MA142WK G DIODE D8 FCH10A20 DIODE D9 FRH10A20 DIODE D101 LM1MA142WA G DIODE D102 LM1MA142WK G DIODE D103 UM...

Page 12: ...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 2 8kg 6 2 lbs CEA 2006 RMS Watts per channel 4Ω 1 THD N 60W x 2 RMS Watts per channel 2Ω 1 THD N 100W x 2 KENWOOD follows a policy of continuou...

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