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KAC-6402

2

BLOCK DIAGRAM

+6dB

0dB

+29.5dB

ISOLATION
AMPLIFIER

LINE IN
AL

ST/MONO

Ach
INPUT
GAIN
CONT.

LINE IN
AR

AMPLIFIER

ISOLATION

ISOLATION
AMPLIFIER

ST/MONO

AMPLIFIER

ISOLATION

SPEAKER 
INPUT

GAIN
CONT.

Bch
INPUT

BR

LINE IN

LINE IN
BL

LPF+6dB

HPF

HPF
LPF+6dB

LPF+6dB

HPF

LPF+6dB

HPF

MUTE

AMPLIFIER

POWER

POWER
AMPLIFIER

AMPLIFIER

POWER

POWER
AMPLIFIER

OUT BR

SPEAKER

SPEAKER
OUT BL

OUT AR

SPEAKER

OUT AL

SPEAKER

CONVERTER

DC/DC

AVR

15V

OVER ROAD PROTECTION

DC DETECT AND

THERMAL
PROTECTION

PROTECTION

OVER VOLTAGE

P CON CIRCUIT

P CON

BATTERY

A-AB

+1

-1

+1

-1

FREQ. CONT.

FREQ. CONT.

COMPONENTS DESCRIPTION

 AUDIO UNIT (X09-5890-10)

Ref. No.

Application / Function

Operation / Condition / Compatibility

IC1,3

Buffer amplifier

Lowers impedance and amplify by 6dB

IC2,4

Isolation amplifier

Reduces common mode noise

IC5,9

Buffer amplifier

Rch operates as reverse amplifier

IC6,10

Reverse buffer amplifier

Reverse amplifier operation of 6dB

IC7,8,11,12

LPF/HPF

LPF and HPF with variable cut off

IC13

DC-DC converter

Oscillation and control of  DC-DC converter

Q3,4

Constant voltage power supply

Constant voltage control of 

±

15V

Q5,6

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

Q113,114,213,214

Power amplifier

Power amplification circuit bias temperature compensation

Q115~118,215~218

Power amplifier

Excess current detection

Q119~122,219~222

Power amplifier

Power amplification step darlington driver

Q123~126,223~226

Power amplifier

Power amplification step darlington output transistor

Q601

B-class step mute

Mute signal generation circuit: Normally ON

Q602

Mute circuit

Mute signal generation circuit: Normally OFF

Q603

Input mute

Mute signal generation circuit: Normally OFF

Q604

Power ON/OFF

Primary power supply control transistor: Normally ON

Q605

Power ON/OFF

Power control circuit

Q606

Power ON/OFF

Excess voltage protection circuit: Goes OFF when primary input voltage of 16V or less

Q610

Excess current detection

Goes ON when detecting excess current and turns OFF DC-DC converter

Q611,612

DC output voltage detection

Goes ON when detecting DC output voltage from power amplifier

Содержание KAC-6402

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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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