Kenwood KAC-6403 Service Manual Download Page 13

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KAC-6403

Indicates safety critical components.

Ref. No.

Parts No.

Description

Desti-

nation

Ref. No.

Parts No.

Description

Desti-

nation

E : Europe K : North America M : Other Areas E : Without Europe

PARTS LIST

Q9,10

2SA1577

TRANSISTOR

Q11,12

DTA114EUA

DIGITAL 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

Q131,132

2SC4081

TRANSISTOR

Q201,202

2SC4081

TRANSISTOR

Q203-206

2SA1576A(R,S)

TRANSISTOR

Q207-210

2SC1845-A(F,E)

TRANSISTOR

Q211,212

2SA992-A(F,E)

TRANSISTOR

Q213,214

2SC3419(Y)-F

TRANSISTOR

Q215,216

2SC1845-A(F,E)

TRANSISTOR

Q217,218

2SA992-A(F,E)

TRANSISTOR

Q219,220

2SC1627A-F

TRANSISTOR

Q221,222

2SA817A-F

TRANSISTOR

Q223,224

2SC4467NF

TRANSISTOR

Q225,226

2SA1694NF

TRANSISTOR

Q231,232

2SC4081

TRANSISTOR

Q601

2SC4081

TRANSISTOR

Q602

2SC4097

TRANSISTOR

Q603

2SA1576A(R,S)

TRANSISTOR

Q604

2SB1241

TRANSISTOR

Q605,606

2SC4081

TRANSISTOR

Q610-613

2SC4081

TRANSISTOR

Q614,615

2SA1576A(R,S)

TRANSISTOR

Q616

2SC4081

TRANSISTOR

Q617

2SA1576A(R,S)

TRANSISTOR

Q618

2SC4081

TRANSISTOR

TH1

✽

NCP18WB473J0S

THERMISTOR

AUDIO UNIT (X09-8542-70)

Summary of Contents for KAC-6403

Page 1: ...A ch FILTER B ch FILTER INPUT SELECTOR OFF LPF OFF HPF 1 0 5 0 3 0 2 2 5 3 4 MIN V MAX LINE IN INPUT SENSITIVITY 1 0 5 0 3 0 2 2 5 3 4 MIN MAX Ach Bch POWER IN BRIDGED LEFT FUSE BATT P CON GND 25A RIGHT SPEAKER OUT POWER AMPLIFIER Fuse 25A F52 0014 05 Rear panel A84 0410 02 Connecting cord assy E30 6144 05 Screw washer N09 6393 08 This product uses Lead Free solder EXPLODED VIEW is on page 5 ...

Page 2: ... OCT LPF 10dB IC5 S3 S3 S3 S3 IC6 3dB ATT 1 3dB ATT 1 IC5 AMPLIFIER POWER R OUT B SPEAKER AMPLIFIER 219 226 Q203 214 POWER L 219 226 Q203 214 AUDIO UNIT X09 8542 70 COMPONENTS DESCRIPTION AUDIO UNIT X09 8542 70 Ref No Application Function Operation Condition Compatibility IC1 Buffer AMP Amplifies 6dB by decreasing impedance IC2 Isolation AMP Decreases common mode noise IC3 Buffer AMP Amplifies 6dB...

Page 3: ...Normal Q603 Input mute Generates mute signal OFF Normal Q604 Power ON OFF Controls primary power supply ON Normal Q605 Power ON OFF Controls power Q606 Power ON OFF Protects from over voltage Stops when primary power supply input voltage is below 16V Q610 Over current DET Operates when Q610 detects over current and DC DC converter turns off Q611 612 DC output voltage DET Operates when DC output vo...

Page 4: ...ontrol Prevents reverse flow D606 Over current DET Level shift for primary power supply D607 Power control Level shift D608 Mute control Being controlled by Q602 D610 LED Being controlled by Q602 D613 614 DC protection Operates when DC is output D616 POP mute COMPONENTS DESCRIPTION No Item Alignment Point Method Align for Note Fig Connect a DC voltmeter between VR5 A Lch the following emitter resi...

Page 5: ...6 C211 C411 R7 R8 R9 R245 R247 R248 R253 R255 R256 R257 R258 R445 R447 R453 R455 R457 R458 R603 R615 R616 W203 W202 W26 W85 W88 W86 W87 W80 W78 W79 W104 W128 W124 W101 W103 W105 W118 W133 W83 W120 W112 W106 W107 W108 W126 W102 W130 W135 W93 W119 W125 W129 W134 W94 W163 W902 W167 W170 W169 W168 W159 W157 W160 W162 W161 W156 W155 W153 W152 W151 W141 W154 W158 W166 W165 W92 W84 W91 W89 W90 W131 W121 ...

Page 6: ...R358 R359 R361 R362 R374 R401 R402 R409 R410 R411 R412 R413 R414 R415 R416 R419 R420 R421 R422 R427 R428 R430 R432 R433 R434 R436 R437 R438 R440 R441 R442 R444 R450 R451 R452 R465 R466 W516 W518 W517 W520 W527 W519 W514W513 W515 W510 W504 W522 W501 W503 W523 W511 W508 W507 W505 W512 W502 W521 W509 W531 W526 W532 W593 W524 W525 W529 W533 W530 W528 R33 R34 R35 R467 R468 R267 R268 R469 R470 R269 R270...

Page 7: ... 4 7K TP85 3 R306 2 TP86 TP87 4 1 C318 100P R312 10K 3 1 R316 10K 2 3 C308 15P TP122 TP121 R310 12K R309 12K 1000P R307 R308 10K TP78 10K C303 10u50 R301 1K C301 R303 10K TP76 C305 R305 4 7K 15P 6 5 R315 10K C317 100P R314 10K R300 1K C300 1000P R313 10K TP82 TP80 TP79 TP77 7 8 R311 10K 5 6 C307 15P C34 0 01 R320 47K 4 1 C312 47u25 TP81 R319 47K C33 0 01 8 7 C311 47u25 BS BL AS AL AR BR R122 100K ...

Page 8: ...R229 100 R235 4 7 R245 1 8K R249 2W 0 1 R253 470 R243 1000P C219 1000P C221 R239 5 1K R241 5 1K 1 8K R251 2W 0 1 R255 0 01 C217 510 R231 6P C215 47K R227 3P C901 47P C213 100 R237 4 7 R247 8 2K R207 100K R203 100 R213 100P C211 47u25 C207 4700P C205 820 R211 100 R219 100 R220 10 R261 C261 220u35 100K R204 C204 470P R206 47K C203 470P R205 47K 820 R209 820 R210 820 R212 10u50 C202 100 R214 47u25 C2...

Page 9: ...8 DC1 3 2 701 710 F1 Cx2 D D D D A Ax3 Ax3 Ax8 Ax3 Dx2 Dx2 Dx2 Dx2 Dx2 Dx2 D D B Bx3 Fx4 Gx2 Fx4 F D A B C D E F G N09 6365 05 N80 3010 43 N83 3006 43 N89 3008 48 N80 3010 43 N09 4215 08 N09 6393 08 φ2 6x13 M4 Ni M6 Ni X09 J9 Insulated sheet is contained in transistor Insulated sheet is contained in transistor E E ...

Page 10: ...BJ1E470M ELECTRO 47UF 25WV C113 116 CD04BJ1H100M ELECTRO 10UF 50WV C117 118 CC73GCH1H101J CHIP C 100PF J C128 CK73GB1H103K CHIP C 0 010UF K C150 CC73GCH1H470J CHIP C 47PF J C151 152 CK73EB1H474K CHIP C 0 47UF K C153 154 CK73GB1H104K CHIP C 0 10UF K C155 156 CD04BJ1H100M ELECTRO 10UF 50WV C159 160 CD04BJ1H100M ELECTRO 10UF 50WV C201 202 CD04BJ1H100M ELECTRO 10UF 50WV C203 204 CC73GCH1H471J CHIP C 4...

Page 11: ... 1 10W R219 220 RK73GB2A101J CHIP R 100 J 1 10W R221 222 RK73EB2E562J CHIP R 5 6K J 1 4W R223 226 RK73GB2A151J CHIP R 150 J 1 10W R227 228 RK73FB2B473J CHIP R 47K J 1 8W R229 230 RK73GB2A182J CHIP R 1 8K J 1 10W R231 232 RK73GB2A511J CHIP R 510 J 1 10W R233 234 RK73GB2A330J CHIP R 33 J 1 10W R235 238 RK73GB2A101J CHIP R 100 J 1 10W R239 242 RK73GB2A512J CHIP R 5 1K J 1 10W R243 244 RK73GB2A471J CH...

Page 12: ...32 15 VARIABLE RESISTOR 10K A VR5 8 R32 0340 05 SEMI FIXED VARIABLE RESISTOR W501 R92 2053 05 CHIP R 0 OHM J 1 8W W502 R92 1252 05 CHIP R 0 OHM J 1 16W W503 506 R92 2053 05 CHIP R 0 OHM J 1 8W W507 R92 1252 05 CHIP R 0 OHM J 1 16W W508 512 R92 2053 05 CHIP R 0 OHM J 1 8W W513 514 R92 1252 05 CHIP R 0 OHM J 1 16W W515 R92 2053 05 CHIP R 0 OHM J 1 8W W516 517 R92 1252 05 CHIP R 0 OHM J 1 16W W518 52...

Page 13: ...124 2SC4467NF TRANSISTOR Q125 126 2SA1694NF TRANSISTOR Q131 132 2SC4081 TRANSISTOR Q201 202 2SC4081 TRANSISTOR Q203 206 2SA1576A R S TRANSISTOR Q207 210 2SC1845 A F E TRANSISTOR Q211 212 2SA992 A F E TRANSISTOR Q213 214 2SC3419 Y F TRANSISTOR Q215 216 2SC1845 A F E TRANSISTOR Q217 218 2SA992 A F E TRANSISTOR Q219 220 2SC1627A F TRANSISTOR Q221 222 2SA817A F TRANSISTOR Q223 224 2SC4467NF TRANSISTOR...

Page 14: ...pedance 10kΩ Low Pass Filter Frequency 12dB oct 80Hz High Pass Filter Frequency 12dB oct 80Hz General Operating Voltage 14 4V 11 16V allowable Current Consumption 25A Dimensions W x H x D 330 x 60 x 230 mm Weight 2 7kg 6 0 lbs KENWOOD follows a policy of continuous advancements in development For this reason specifications may be changed without notice Installation Ø4 6 230 mm 244 mm 330 mm 254 mm...

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