Kenwood KAC-X542 - eXcelon Amplifier Service Manual Download

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KAC-X542

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

R37

RK73GB2A473J

CHIP R

47K

1/10W

R38

RK73GB2A752J

CHIP R

7.5K

1/10W

R42

RK73GB2A153J

CHIP R

15K

1/10W

R43

RK73GB2A473J

CHIP R

47K

1/10W

R50,51

RK73GB2A103J

CHIP R

10K

1/10W

R52

RK73GB2A203J

CHIP R

20K

1/10W

R53,54

RK73GB2A471J

CHIP R

470

1/10W

R55

RK73GB2A103J

CHIP R

10K

1/10W

R60,61

RK73GB2A102J

CHIP R

1.0K

1/10W

R101,102

RK73GB2A473J

CHIP R

47K

1/10W

R103

RK73GB2A912J

CHIP R

9.1K

1/10W

R104

RK73GB2A822J

CHIP R

8.2K

1/10W

R105

RK73GB2A563J

CHIP R

56K

1/10W

R107

RK73GB2A473J

CHIP R

47K

1/10W

R108

RK73GB2A563J

CHIP R

56K

1/10W

R110,111

RK73GB2A473J

CHIP R

47K

1/10W

R112

RK73GB2A103J

CHIP R

10K

1/10W

R114

RK73GB2A203J

CHIP R

20K

1/10W

R115,116

RK73GB2A473J

CHIP R

47K

1/10W

R122

RK73GB2A822J

CHIP R

8.2K

1/10W

R126

RK73GB2A912J

CHIP R

9.1K

1/10W

R128,129

RK73GB2A471J

CHIP R

470

1/10W

R200

RK73GB2A472J

CHIP R

4.7K

1/10W

R201

RK73GB2A683J

CHIP R

68K

1/10W

R202-205

RK73GB2A471J

CHIP R

470

1/10W

R206-209

RK73GB2A102J

CHIP R

1.0K

1/10W

R210

RK73GB2A104J

CHIP R

100K

1/10W

R211

RK73GB2A102J

CHIP R

1.0K

1/10W

R213

RK73GB2A103J

CHIP R

10K

1/10W

R215

RK73GB2A103J

CHIP R

10K

1/10W

R217

RK73GB2A103J

CHIP R

10K

1/10W

R228,229

RD14BB2C391J

390

1/6W

R230-233

RK73GB2A101J

CHIP R

100

1/10W

R237,238

RK73GB2A393J

CHIP R

39K

1/10W

R239,240

RK73GB2A473J

CHIP R

47K

1/10W

R241

RK73GB2A103J

CHIP R

10K

1/10W

R242

RK73GB2A222J

CHIP R

2.2K

1/10W

R243

RK73GB2A224J

CHIP R

220K

1/10W

R244

RK73GB2A123J

CHIP R

12K

1/10W

R245

RK73GB2A101J

CHIP R

100

1/10W

R246

RK73GB2A103J

CHIP R

10K

1/10W

R247,248

RK73GB2A150J

CHIP R

1/10W

R249,250

RK73GB2A473J

CHIP R

47K

1/10W

VR1,2

R31-0241-05

VARIABLE RESISTOR 50K (C)

VR3

R31-0238-05

VARIABLE RESISTOR 10K (A)

VR4

R31-0241-05

VARIABLE RESISTOR 50K (C)

VR5

R31-0238-05

VARIABLE RESISTOR 10K (A)

S1-5

S62-0873-05

SLIDE SWITCH

S62-0874-05

SLIDE SWITCH

S7-9

S70-0922-05

TACT SWITCH

✽

02CZ8.2-F(Y)

ZENER DIODE

IC1,2

NJM2058M-ZB

ANALOGUE IC

IC4

NJM2058M-ZB

ANALOGUE IC

IC5,6

NJM4565MD-ZB

ANALOGUE IC

IC7

LC75853NE-E

MOS-IC

IC8

E-TDA7409DTR

ANALOGUE IC

D92

✽

B30-1743-05

LED (RED LED)

C90-5557-05

ELECTRO

10UF

25WV

CD04BJ1E470M

ELECTRO

47UF

25WV

CQ93FMG1H102J

MYLAR

1000PF

CD04BJ1A101M

ELECTRO

100UF

10WV

CD04BJ1H100M

ELECTRO

10UF

50WV

C6-10

CK73GB1H103K

CHIP C

0.010UF

C11,12

CD04BC1C392M

ELECTRO

3900UF

16WV

C13

CK73GB1H103K

CHIP C

0.010UF

C14

CD04BJ1H100M

ELECTRO

10UF

50WV

C17

CD04BJ1H100M

ELECTRO

10UF

50WV

C19,20

CD04BJ1E470M

ELECTRO

47UF

25WV

C21,22

CK73GB1H103K

CHIP C

0.010UF

C23,24

CQ93FMG1H152J

MYLAR

1500PF

C27,28

CD04BJ1H100M

ELECTRO

10UF

50WV

C29

CD04BJ1E221M

ELECTRO

220UF

25WV

C30

CK73GB1H103K

CHIP C

0.010UF

C31,32

CC73GCH1H120J

CHIP C

12PF

C33,34

CK73GB1H103K

CHIP C

0.010UF

C35,36

C90-5691-05

ELECTRO

4700UF

42WV

C37,38

CK73GB1H103K

CHIP C

0.010UF

C50

CD04BJ1H100M

ELECTRO

10UF

50WV

C51

CD04BJ1H010M

ELECTRO

1.0UF

50WV

C52

CD04BJ1E470M

ELECTRO

47UF

25WV

C53

CK73GB1H104K

CHIP C

0.10UF

C54

CD04BJ1H100M

ELECTRO

10UF

50WV

C55

CK73GB1H103K

CHIP C

0.010UF

C69

CD04BJ1H100M

ELECTRO

10UF

50WV

C70

CK73GB1H103K

CHIP C

0.010UF

C72

CD04BJ1A101M

ELECTRO

100UF

10WV

C75

CD04BJ1H100M

ELECTRO

10UF

50WV

C76

CK73GB1H103K

CHIP C

0.010UF

C77

CD04BJ1A221M

ELECTRO

220UF

10WV

C78

CK73GB1H103K

CHIP C

0.010UF

C80

CD04BJ1H100M

ELECTRO

10UF

50WV

C81

CD04BJ1E470M

ELECTRO

47UF

25WV

C82

CK73GB1H103K

CHIP C

0.010UF

C85

CD04BJ1A101M

ELECTRO

100UF

10WV

C86

CD04BJ1H2R2M

ELECTRO

2.2UF

50WV

C98,99

CK73GB1H103K

CHIP C

0.010UF

C100

CQ93FMG1H102J

MYLAR

1000PF

C101,102

CK73GB1H102K

CHIP C

1000PF

C103,104

CD04BJ1H100M

ELECTRO

10UF

50WV

C105,106

CC73GCH1H150J

CHIP C

15PF

C107

CK73FB1H104K

CHIP C

0.10UF

C113,114

CC73GCH1H150J

CHIP C

15PF

C115,116

CD04BJ1H100M

ELECTRO

10UF

50WV

C124

CK73FB1H104K

CHIP C

0.10UF

C125

CK73GB1H471K

CHIP C

470PF

C126

CK73GB1H102K

CHIP C

1000PF

C131,132

CC73GCH1H150J

CHIP C

15PF

AUDIO UNIT (X09-5780-11)

PREAMPLIFIER UNIT (X08-4160-11)

Summary of Contents for KAC-X542 - eXcelon Amplifier

Page 1: ...8 02 Screw Wrench key set N99 1770 15 Screw set N99 1577 15 Accessory W01 1606 05 Dressing panel A21 6506 02 VOLT FAN CURR TEMP MENU 0 1 2 3 4 5 6 7 8 9 30 30 FUSE 30A 2 POWER IN RESET REMOTE TO H U ID NUMBER Panel A64 3925 02 2006 1 PRINTED IN JAPAN B53 0375 00 N 589 POWER AMPLIFIER KAC X542 SERVICE MANUAL ...

Page 2: ...6 408 412 Q44 Q424 426 DC DETECTOR OVER LOAD Q56 57 60 61 Q30 31 CIRCUIT P CON OVER VOLTAGE CIRCUIT I DETECTOR BU DETECTOR P SW SW5V BU5V Q25 DC DC CONVERTER Q17 18 26 AVR POP NOISE CIRCUIT MUTE2 Q22 901 902 Q50 53 FAN RST IC E2PROM I2C COMMUNICATION to AMP 5L COMMUNICATION to HEAD UNIT LOGO LED DIP SW DISPLAY LCD DRIVER IC LCD KEY LED B MUTE1 DIFFERENTIAL STAGE STAGE B CLASS MUTE1 DIFFERENTIAL ST...

Page 3: ...al voltage detection Q58 Logo LED power supply Q59 LCD illumination power supply Q61 Over current detection and protection Q62 67 Fan operation circuit Q73 77 BU over voltage detection Q74 75 FET drive low start switch Q80 83 LX communication input signal level converter Q84 LX communication circuit power supply and AMP communication IC1 power switch Q85 86 90 92 96 98 LX communication output sign...

Page 4: ...2C communication MICROPROCESSOR X09 IC3 Block Diagram Terminal Function Pin No Pin Name I O Function Processing Operation Description 1 3 TEMP4 TEMP6 I Temperature detection 4 6 4 AVSS GND 5 L CE O CE output to LCD driver H LCD driver CE 6 LX REQ S O Data transmit request to head unit H OFF L ON 7 AVREF1 DA reference voltage 8 L DATA L I Data input from LCD driver 9 L DATA A O Data output to LCD d...

Page 5: ... 46 COMM SW O Communication IC power switch H ON L OFF 47 50 NC Not used 51 D PWER O D class amplifier power supply control H ON L OFF 2ch 4ch L fixed 52 DC DET I Speaker output DC voltage detection H Normal L Abnormal 53 NC Not used 54 POWER ON O Amplifier power supply control H ON D AB class L OFF 55 5VSW O 5VSW H OFF L ON 56 MUTE1 O Amplifier section input stage mute control H OFF L ON 57 MUTE2...

Page 6: ...U voltage detection for display 78 80 TEMP1 TEMP3 I Temperature detection 1 3 MICROCOMPUTER STERMINAL DESCRIPTION 2 AMP ID AMP ID is checked only once at the time reset is released or when the microcomputer is released from the low consump tion mode When setting AMP ID to 8 or 9 remote control is impossible AMP ID DIP SW1 DIP SW2 DIP SW3 DIP SW4 pin 25 pin 26 pin 27 pin 28 0 High High High High 1 ...

Page 7: ...een VR5 A Lch the following emitter resistors PC BOARD 1 IDEL CURRENT VR6 A Rch R347 A Lch 2 5mV Over 2 minutes on page 10 VR7 B Lch R348 A Rch aging is required and 11 VR8 B Rch R447 B Lch R446 B Rch ADJUSTMENT Current detection circuit Amplify and rectify potential differences at two points in the primary side current circuit and send it to the AD port of the MPU and obtain data for displaying c...

Page 8: ...R203 R204 R205 R206 R207 R208 R209 R230 R231 R232 R248 C76 C61 C62 C72 C73 R233 R213 R237 R238 R239 R240 R241 R242 R243 R244 R245 R246 R247 1 7 8 14 30 1 1 16 33 48 49 64 32 17 1 4 8 5 1 7 14 8 1 7 14 8 1 10 11 20 1 4 8 5 1 2 C21 1 3 C52 C75 C27 C200 50Hz 200Hz C9 C10 C12 C15 C16 C14 C17 503C C20 C26 C36 503C HI PASS VR2 LOW 50Hz 200Hz PASS 1 HPF Bch VR1 C63 C64 OFF LPF C102 200mV 103A 5V INPUT SE...

Page 9: ...9 TP70 TP71 TP72 TP73 TP74 TP75 TP76 TP77 TP78 TP79 TP80 TP81 TP82 TP83 TP84 TP85 TP86 TP87 TP88 TP89 TP90 TP91 TP92 TP93 TP94 TP95 TP96 TP98 TP99 TP100 TP101 TP102 TP103 TP104 TP105 TP106 TP107 TP108 TP109 TP110 TP111 TP112 TP113 TP114 TP115 TP116 TP117 TP118 TP119 TP120 TP121 TP122 TP123 TP124 TP125 TP126 TP127 TP128 TP129 TP130 TP131 TP132 TP133 TP134 TP135 TP136 TP137 TP138 TP139 TP140 TP141 T...

Page 10: ...402 R404 C404 R452 C403 W597 W586 R401 R330 R340 R232 R403 R414 R413 W539 W540 W541 W538 W528 R338 C320 W580 W588 R19 C21 R21 C22 R582 R566 R581 R508 R507 R93 R92 W525 R407 R453 R417 C419 R439 R431 C421 W522 4 1 5 8 1 7 14 8 14 8 1 7 1 2 3 4 1 1 4 5 8 2 13 12 9 5 1 4 8 1 3 4 20 60 41 40 21 61 80 W710 W715 E B B AR AL OUT BL AR 1 29 2 30 W325 C19 W319 W317 W229 W1 W2 W365 R4 C20 C69 C85 C52 C29 C5 ...

Page 11: ...5 C36 W137 W134 W136 W434 W133 06 W212 W215 W218 W101 W100 W142 W58 W141 W147 W145 W163 W151 W152 W157 W156 W167 W168 W104 W143 W131 W146 W113 W200 W177 W155 W308 W337 W203 W204 W198 W192 W199 W193 W231 W178 W119 W118 W117 W115 W116 W109 W105 W106 W107 W108 W111 W110 W114 W112 W124 W132 W138 W129 W126 W123 W128 W127 W130 W121 W125 W140 W135 W122 W153 W160 W169 W164 09 W103 W102 W336 W430 431 W432 ...

Page 12: ...NE B LINE GND LINE ISO ATT MUTE MA AM 1K 1000P R206 R205 C204 10u50 R203 1000P C202 C201 R204 10K 10K 8 10 R208 10K 9 11 R210 10K 10K 10K 13 12 C216 22u16 14 AUDIO MUTE AUDIO SDA AUDIO SCL 3 2 1 D GND L CLK ISO BL ISO GND IN ISO BR ISO AR ISO GND IN ISO AL 6 5 4 8 7 DI 11 10 9 DO L CE 14 13 12 ILL B ILL GND AMP BL FILTER GND AMP BR ISO GND OUT AMP AR FILTER GND AMP AL ISO GND OUT 20 17 16 15 19 18...

Page 13: ... 1 2W R323 150 R459 R431 1K 6800P C415 10u50 R435 100 R429 1K 6800P C421 C419 R439 R443 4 7 1 5K 2W 2W R447 0 1 220 R445 0 1 4 7 R441 10u50 C75 R614 1K 6800P C320 R330 1K 6800P C322 220 22K C303 470P C301 10u50 R319 R321 22K C307 R311 4700P C305 100 R309 47u25 1K R313 C309 22P 4 3K 4 3K VR5 R357 1 8K 6 8K R355 R315 150 R359 1K C315 10u50 R331 R329 1K R343 4 7 220 R333 100 R341 4 7 LOGO LED B SW5V ...

Page 14: ...LXDATAS LXBU LXCLK LCLK LDATAA LDATAL 7 6 5 4 3 2 1 TEMP6 LXREQS LCE AVSS A D TEMP5 TEMP4 80 77 78 79 71 74 75 76 72 73 68 69 70 66 67 38 37 36 40 39 COMMSW LCDILL NC37 NC36 NC40 LED 42 41 ATT1 ATT2 43 44 45 ATT3 NC44 NC45 R576 180 R574 180 PCON LXCON LXREQM NC64 VDOWN POWERON DPWER DCDET ABCUR DCUR 46 47 48 49 NC47 NC48 NC49 50 51 52 53 MUTE1 MUTE2 RESET FAN1 54 55 56 57 SW5V 58 59 60 FAN2 63 64 ...

Page 15: ...V 12V 0V 14 4V 5 0V IC4 IC10 KAC X542 1 2 S7 D74 Q21 Q20 Q8 Q10 Q9 Q74 Q7 D75 Q31 Q30 D8 D9 CN3 D2 D1 P1 J8 J7 Q75 S6 RST ID NUMBER R590 47K OMMSW NC40 42 41 ATT1 ATT2 43 44 45 ATT3 NC44 NC45 R574 180 PCON OWERON DPWER DCDET ABCUR DCUR 46 47 48 49 NC47 NC48 NC49 50 51 52 53 MUTE1 MUTE2 RESET FAN1 54 55 56 57 SW5V 58 59 60 FAN2 R620 10K VSS NC 4 3 VOUT VDD 1 2 2 2u50 C86 R472 47K OUTCTRL 100K R51 4...

Page 16: ... 17 18 GND 20 21 ILL GND LOGO LED FAN B ILL B 23 24 25 15V SW5V 15V 26 27 28 29 30 TP27 3 1 2 7 5 4 6 8 R116 47K C102 R115 47K C101 1 2 6 0 22 TP28 TP40 TP41 R104 8 2K TP8 TP42 R105 C107 C108 TP35 R103 9 1K TP33 TP30 R102 47K C104 0 1 R108 R101 47K 56K 50K C VR4 R126 9 1K C106 5 4 7 TP34 6 3 1 4 2 5 8 7 9 C28 0 01 TP29 C103 0 1 TP31 C105 0 22 3 2 R122 8 2K TP32 1 R110 47K 56K 47K R107 7 TP46 TP38 ...

Page 17: ...6 5 SE3L SE2R SE4R SE3R 17 18 19 20 VDD SCL SDA 14 15 16 OUTLF MUTE OUTRF R19 10 9 CREF SE4L GND R18 11 12 SWL SWR TP65 TP66 TP68 10K 7 10K 1 2 TP84 4 5 8 TP175 3 6 C52 R12 47K C16 TP60 TP61 10K R215 R213 10K 100P C110 20K R114 47P C109 3 3K R35 2 2K R36 C32 0 022 C76 0 033 2 2K R242 10K R241 220K R243 TP86 TP99 TP101 TP164 TP165 TP98 TP96 TP162 56K R26 TP88 TP90 R22 8 2K TP102 TP103 C24 0 22 C20 ...

Page 18: ...φ3x14 φ2x8 φ3x12 N09 6216 05 N09 6218 05 N09 6220 05 N15 1040 48 N80 2008 43 N80 3010 43 N82 2006 48 N84 2606 48 N89 3006 43 N89 3008 43 N89 3008 48 N89 3016 48 N09 6217 05 N80 2008 48 N83 3012 48 26 27 28 Mx2 Hx2 Lx2 Cx2 Qx2 Gx3 4 5 1 13 14 6 8 719 H L L L L P P P H 723 723 722 715 F F F Ax3 Ax4 Kx2 715 730 G G L L L 731 Insulated sheet is contained in transistor 24 L Nx8 Nx16 7 17 16 715 724 731...

Page 19: ...P C 0 22UF K C9 10 CD04AS1H010M ELECTRO 1UF 50WV C11 CK73GB1H103K CHIP C 0 010UF K C12 CD04AS1V100M ELECTRO 10UF 35WV C14 17 CD04AS1V100M ELECTRO 10UF 35WV C18 19 CK73GB1H103K CHIP C 0 010UF K C20 21 CD04AS1V100M ELECTRO 10UF 35WV C22 23 CK73GB1H104K CHIP C 0 10UF K C24 25 CK73FB1H224K CHIP C 0 22UF K C26 27 CD04AS1V100M ELECTRO 10UF 35WV C28 29 CK73GB1H103K CHIP C 0 010UF K C30 CK73GB1H104K CHIP ...

Page 20: ...BLE RESISTOR 50K C VR5 2A R31 0238 05 VARIABLE RESISTOR 10K A S1 5 2A S62 0873 05 SLIDE SWITCH S6 2A S62 0874 05 SLIDE SWITCH S7 9 S70 0922 05 TACT SWITCH D1 02CZ8 2 F Y ZENER DIODE IC1 2 NJM2058M ZB ANALOGUE IC IC4 NJM2058M ZB ANALOGUE IC IC5 6 NJM4565MD ZB ANALOGUE IC IC7 LC75853NE E MOS IC IC8 E TDA7409DTR ANALOGUE IC D92 B30 1743 05 LED RED LED C1 C90 5557 05 ELECTRO 10UF 25WV C2 CD04BJ1E470M ...

Page 21: ...FB1H104K CHIP C 0 10UF K C902 CD04BC1C392M ELECTRO 3900UF 16WV C920 921 CK73GB1H103K CHIP C 0 010UF K CN1 E41 0928 05 PIN ASSY 3P CN2 E41 0927 05 PIN ASSY 2P CN4 E41 2203 05 FLAT CABLE CONNECTOR 30P J1 3B E63 0922 05 PIN JACK 6P J3 3B E56 0856 05 CYLINDRICAL RECEPTACLE 13P J4 3B E56 0853 05 CYLINDRICAL RECEPTACLE 4PX2 J7 3A E70 0838 05 SCREW TERMINAL BOARD 7P J8 3A E70 0840 05 SCREW TERMINAL BOARD...

Page 22: ...B152J CHIP R 1 5K J 1 8W R341 344 RD14NB2E4R7J RD 4 7 J 1 4W R345 348 R92 0205 05 METAL PLATE 0 1 K 2W R351 RK73GB2A330J CHIP R 33 J 1 10W R355 356 RK73FB2B682J CHIP R 6 8K J 1 8W R357 358 RK73GB2A182J CHIP R 1 8K J 1 10W R359 RD14NB2E221J RD 220 J 1 4W R360 RK73GB2A330J CHIP R 33 J 1 10W R361 RD14NB2E221J RD 220 J 1 4W R363 364 RK73GB2A152J CHIP R 1 5K J 1 10W R365 366 RK73GB2A622J CHIP R 6 2K J ...

Page 23: ... 3 3K J 1 10W R961 RK73GB2A473J CHIP R 47K J 1 10W R964 RK73GB2A153J CHIP R 15K J 1 10W R967 RK73GB2A331J CHIP R 330 J 1 10W R970 RK73GB2A223J CHIP R 22K J 1 10W R973 974 RK73GB2A153J CHIP R 15K J 1 10W VR5 8 R32 0294 05 SEMI FIXED VARIABLE RESISTOR W500 502 R92 1252 05 CHIP R 0 OHM J 1 16W W503 509 RK73EB2E000J CHIP R 0 0 J 1 4W W510 R92 1252 05 CHIP R 0 OHM J 1 16W W511 514 RK73EB2E000J CHIP R 0...

Page 24: ...0853 05 DIP SWITCHES S7 S68 0806 05 PUSH SWITCH D1 2 RM4ZLF J1NF DIODE D4 UDZS16B ZENER DIODE D8 RD15JS AZ B ZENER DIODE D9 UDZS6 8B ZENER DIODE D11 UDZS5 1B ZENER DIODE D12 UDZS4 7B ZENER DIODE D13 S5566B Q DIODE D17 RD16JS AZ B ZENER DIODE D25 FCH20A20 DIODE D26 FRH20A20 DIODE D29 30 LM1MA142WA G DIODE D38 UDZS5 1B ZENER DIODE D39 1SS355 DIODE D41 1SS355 DIODE D62 LM1MA142WK G DIODE D63 1SS355 D...

Page 25: ... DTC114EUA DIGITAL TRANSISTOR Q93 94 2SA1576A TRANSISTOR Q95 2SC4081 TRANSISTOR Q96 2SA1576A TRANSISTOR Q97 DTA114EUA DIGITAL TRANSISTOR Q98 2SA1576A TRANSISTOR Q99 DTA114EUA DIGITAL TRANSISTOR Q210 2SA1376AA L K TRANSISTOR Q212 2SC3419 Y F TRANSISTOR Q301 304 2SA992 A F E TRANSISTOR Q305 308 2SC3478AA L K TRANSISTOR Q309 2SA1376AA L K TRANSISTOR Q311 2SC3419 Y F TRANSISTOR Q312 2SC2235 F TRANSIST...

Page 26: ...oct B channel 50 200Hz variable High Pass Filter Frequency 12dB oct 50 200Hz variable Infrasonic Filter Frequency 24dB oct B channel 15Hz Frequency Response 0 3dB 5Hz 70kHz Signal to Noise Ratio 105dB Sensitivity rated output MAX 0 2V MIN 5 0V Input Impedance 10kΩ Amplifier Control Section EQ B channel Bass Frequency 60 80 100 200Hz Bass Level 15dB 15dB Bass Q Factor 1 00 1 25 1 50 2 00 Treble Fre...

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Kenwood KAC-X542 - eXcelon Amplifier, Service Manual

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