Kenwood-KAC-8104-D-Service-Manual 电路图 维修手册.pdf

《Kenwood-KAC-8104-D-Service-Manual 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Kenwood-KAC-8104-D-Service-Manual 电路图 维修手册.pdf（18页珍藏版）》请在收音机爱好者资料库上搜索。

1、This product uses Lead Free solder. This product complies with the RoHS directive for the European market. SERVICE MANUAL 2007-11 PRINTED IN JA PAN B53-0602-00 (N) 519 KAC-8104D CLASS D MONO POWER AMPLIFIER Accessories (W01-1606-05) Screw & wrench key set (N99-1820-05) Connecting cord assy (E30-6145

2、-05) 19cm BASS BOOST LEVELdB LPF FREQUENCYHz INPUT SENSITIVITYV MINMAX OFF 15Hz ISF LINE INLINE OUT 25Hz SP LEVEL INPUT SIGNAL SENSING TURN-ON FUSE40AP .CON POWER IN SPEAKER OUTPUT M type E,K type Dressing Panel (A21-6631-02): (E,K type) (A21-6632-02): (M type) Fuse (40A) (F52-0016-05) RadioFans.CN

3、收音机爱 好者资料库 2 KAC-8104D BLOCK DIAGRAM QERF )zH002 05( LEVEL TFIS PMA-D FFO/NO EVIRD LANIF TEF-SOM RETLIF CLPMOC DAED EMIT GNIMMUS PMA ELGNAIRT EVAW SP OUTPUT BATT. GND P- CON LAMREHT TED DAOLREVO TED TESFFO-CD TED KAC-8104D 300W / 4 500W / 2 ETUMTTA 15V RVA REWOP FFO/NO B BH+ RVA RETLIF CL PMA-OSI SP

4、 INPUT LINE IN L R (0.25V) +L -L -R +R LEVEL Bd810 FN CD/CD NOC POWER INDI. I.S.F SEL. ssaB t sooB SENS. VOL F.P.L S.F. I zH51 zH52 zH04=QERF L.P.F SEL. LINE OUT L R LANGIS ROTCETED ILLUMI INDI. NOC-P YTIROIRP IC11 IC14 IC31IC12,13 IC32 Q401,402,404,417 Q405-409, 414,415 IC14 IC18 IC15 Q603Q151 Q410

5、-413 Q400 IC61,62,64Q608-611 Q25,26,28,42Q416 IC1 Q3 Q1,2Q51,52 IC32 LEVEL DIAGRAM 50 40 30 20 10 0 ISOLATIONFILTER D class AMP INPUT LEVEL VOL SP OUT RadioFans.CN 收音机爱 好者资料库 3 KAC-8104D COMPONENTS DESCRIPTION AUDIO UNIT (X09-8730-10) Ref. No.Application / FunctionOperation / Condition / Compatibili

6、ty IC1DC/DC converter ICGenerates drive signal for switching component IC11 Isolation amplifi erIsolates noises caused by potential differences in GND IC12,13NAND Generates and shapes the inverted waveform and to create dead time in D-class section IC14INFRA SONIC FILTERCuts off ultra low frequency

7、of audio signal IC15BASS BOOSTBass boost (Variable level) IC18LOW PASS FILTERCuts off high frequency of audio signal IC31 (1/2)Triangular wave generationGenerates reference signal for digitalizing analog signal IC31 (2/2)ComparatorDigitalizes by comparing analog signal with triangular waves IC32 (1/

8、2)Triangular wave generationGenerates reference signal for digitalizing analog signal IC32 (2/2) Error amplifi erCompensates errors by feedback from the output IC60Attenuation circuit to attenuate input signal by 1.5dBAttenuates output when temperature in the set becomes too high IC61,62,64Resonance

9、 detecting circuit Detects short in SP output circuit, measures over current in the circuit, and activates protection operation IC63Comparator Controls D/D CON and D-class On/Off with the over current detection and Pcon control signals Q1-3PCON switchTurns on the circuit when ON signal is applied to

10、 the PCON circuit Q4,5MuteGenerates mute drive signal and turns off LED Q6DC/DC converter ON/OFF controlTurns off DC/DC converter when protection is detected Q8-11Gate driverGate driver in DC/DC converter FET Q12,13,19,20DC/DC converterDC/DC converter switching Q25,26,28,42AVR15V AVR Q29,30Tracking

11、when 15V AVR is turned OFFMatches the trailing edge of “-15V” AVR with that of “+15V” AVR Q37,38DC/DC converter pulse ON/OFF controlON or OFF of DC/DC converter drive waveform Q51,52AUTO PconSends DC voltage from SP IN to Pcon control circuit Q151MuteTurns off audio signal Q400,403 D-class amplifi e

12、r switch Turns on or off D-class amplifi er Q401,402 Q404-409,414 Q415,417 Pulse amplifi cation, shaping and level shift Generates the signal that drives the D-class fi nal FET Q410-413 Power amplifi cationHigh-current switching in D-class Q416HB 15V AVRStacking AVR to obtain High+B for D-class Q600

13、,601Resonance detecting circuit Detects short in SP output circuit, measures over current in the circuit, and activates protection operation Q602,612ProtectionTurns off DC/DC converter when protection is detected Q603Attenuation circuit to attenuate input signal by 1.5dBAttenuates output when temper

14、ature in the set becomes too high Q604-607Current-voltage conversion Converts current to voltage to detect over current and sends it to the comparator Q608-611Latch circuitDetects over voltage in output and retains the current Q900FAN driveLimit FAN power supply voltage under the rated voltage Radio

15、Fans.CN 收音机爱 好者资料库 4 KAC-8104D PC BOARD (FOIL SIDE VIEW) ABCDE 1 2 3 4 5 6 7 AUDIO UNIT X09-8730-10 (J76-0470-01) IC1 IC15 IC60 D405D406 Q604Q606 Q3 Q D13 D151 D403 D404 P2 Q25 Q40 Q405 Q408 Q415 Q416 Q605 Q607 P1 P3 D18 CN900 D19 D1 D2 J3 Q12 Q13 Q19 Q20 Q410Q411Q412 Q413 D3 D900 D407 D605 Q8 Q9 D8

16、 D14 D901 Q6 Q10 Q11 Q609 Q610 Q611 D5 D6 D7 D17 Q37 Q38 Q409 D16 W119 C402 C403 C404 R52 C1 C14 C3 C116 C613 C901 C902 R46R47 C11 C19 C24 C100 R1 R45 C401 C20 C21 C195 W108 W117 W120 W140 GDS GDSGDSGDS W89 W87 W92 W121 W165 W164 W163 12 W85 W136 C119 W134 C118 W160 W151 W162 W147 W149 W150 W128 W14

17、6 W153 W76 W156 W161 W157 W132 W124 W126 W135 W137 W129 W115 W118 W159 W158 W154 W152 W99 W109 W105 W101 W138 SDGSDGSDGSDG W139 W81 W131 W112 W98 W86 W80 W69 W71 W133 W77 W74 W125 W82 W123 W91 W88 W141 W142 W144 W145 W73 W90 C121 C221 W72 W122 W94 W78 W75 W84 W83 W79 B.B L2 C25 R425 C26 R426 L1 C17

18、C18 L3 C197 C198 R203 W500 VR3 EB EB EB EB EB EB EB EB 16 1 C610 R9 R10 R53 R422 R623 R48 C611 R49 R625 C612 R638 R5 EB EB R7 R900 R902 C7 C10 C12 C13 C15 C16 C40 C41 C42 C C900 R15 R17 R21 R22 R27 R37 R38 R43R44 R R643R644 C218 C4 C601 R6 R8 R11 R16 R18 R19 R20 R23 R24 R26 R29 R30 R31 R32 R33 R39 R

19、40 R41R42 R409 R411 R412 R414 R415 R416 R417 R418 R419 R420 R421 R423 R424 R624 R626 R627 R639 R642 TH1 R427 W334 W330 W326 R428 W331 W332 W328 W327 W325 W336 R906 R25 R28 W3 W322 W323 W335 R618 R234 R63 R620 R658 R636 R C224 C220 R235 R233 R231 R659 W324 W320 W317 W31 W321 W319 W31 14 58 14 58 9 8

20、EB B E BE B E B E BE BE B E B EB E B E BE B TP25 TP26 TP36 TP42 TP125 TP2 TP21 TP1 TP22TP23 TP33 TP34 TP39 TP41 TP48 TP49 TP58 TP59 TP69 TP71 TP72 TP75 TP76 TP77 TP78 TP88 TP89 TP T TP613 TP201 TP55 TP56 TP53 TP87 TP90 TP91 TP92 TP93TP94 TP95 TP96 TP97 TP98 TP67 TP68 TP70 TP73 TP74 TP81 TP82 TP84 TP

21、85 TP86 TP134 TP133 TP132 TP131 TP135 TP137 TP136 TP138 TP130 TP129 TP128 TP1 TP139 TP12 5 KAC-8104D Refer to the schematic diagram for the values of resistors and capacitors. JIHGF 1 2 3 4 5 6 7 IC11 IC31IC32 IC12 IC13 IC14 IC15 IC18 C60 IC61 IC64 IC62 IC63 Q3 Q900 D600 D9 D10 D11 D12 D151 D303 Q25

22、 Q42 Q402 Q404 05 415 Q417 D51 D53 D52 Q26Q28 J1 J2 Q406 Q414 S3 Q602 D610 D103 D107 Q30 D181 Q403 D104 D108 D400 D605 Q608 Q612 D8 D23 D25 D186 D305 Q1 Q2 Q5 Q29 Q151 Q401 Q603 Q609 Q611 D4 D5 D6 D7 D101 D182 D183 D304 D613 Q4 Q400 Q407 Q52 Q51 D601 D604 D602 D609 D603 D606 D611 D612 Q601 Q600 D607

23、 D608 25/15/OFF C35 C181 R52 C36 R57 R100 R108 R112 R107 9 10 1 2 R111 C2 C3 C5 C31 C32 C155 C902 C103 C104 C105 C106 C107 C108 C151 C200 R101 R102 R109 R110 R161 R163 C51 C52 W93 W40 W52 W68 W76 W30 W18 W36 W69 W71 W17 W38 W37 W35 W34 W10 W46 W47 W13 W39 W57 W77 W74 W65 W63 W28 W33 W15 W20 W11 W12

24、W67 W73 W45 C625 C604 C607 C121 C622 C202 C205 C201 C221 W61 W60 W59 W31 W29 W26 W72 W70 W19 W53 W44 W58 W3 W5 W4 W27 W25 W1 W43 W9 W32 W6 W2 W49 W55 W66 W62 W56 W48 W8 W7 W14 W16 W23 W64 W54 W50 W41 W51 W21 W22 W24 IFS SENS LPF VR1 VR2 BE EB EB EB EB EB BE 14 8 8 8 71 14 14 5 5 W903 C213 C114 C306

25、R64 R181 R208 R304 R308 C634 C635 R182 R401 R633 R53 C115 C305 R67 R209 R58 C612 C614 R640 R3 R5 EB R7 R74 R900 R902 C101C102 C117 R103 R104 R114 R115 R117 C6 C40 C111 C152 C182 C183 C615 C618 R2 R4 R14 C621 R65 R120 R153 R154 R162 R309 R402 R405 R410 R634 R64344 C214 8 C4 W309 C630 C631 C109 C110 C

26、112 C113 C154 C156 C632 C210 C303 C304 C215 C217 C620 C633 C601 R6 R8 R11 R12 R13 R61 R66 R73 R105 R106 R113 R116 R119 R121R122 R123 R151 R152 R155 R156 R157 R158 R159 R160 R183 R184 R301 R302 R303 R305 R306 R307 R400 R403 R404 R406 R407 R408 R409 R411 R413 R440 R441 R442 R629 R630 R632 R639 R641 R6

27、42 R653 C603 C617 C608 C53 R54 R55 C184 R59 R51 R56 W314 W337 W301 C207 W300 C636 C208 W307 R602 R605 R645 R207 R213 R234 R615 R621 R635 R655 R650 R611 R221 R219 R206 R637 R652 R610 R647 R603 R646 R649 R651 R619 R654 R614 R616 R609 R613 C209 C212 C600 C602 C623 C609 C616 C216 C211 C624 R204 R216 R63

28、6 R205 R214 R606 R217 R230 R222 R600 R604 R612 R631 R648 R617 R607 R226 C224 C220 C619 R656 R657 R628 R608 R218 R601 R622 35 R233 R231 R211 659 R225 R223 R220 R224 W306 W302 W310 W303 W304 W308 W311 W317 W312 W315 W316 W305 W319 W31 14 58 14 58 14 58 14 58 14 58 14 58 14 58 14 58 1 8 17 814 BE EBEB

29、EB EB BE BE B E BE B E B EE B E BE BE BE BE B E B E BE B E BE B E B E BE BE B E -15V TP29 TP62 TP40 TP30 TP66 TP11 TP36 TP57 TP44 TP45 TP6 TP8 TP9 TP10 TP14 TP37 TP38 TP43 TP46 TP47 TP52 TP63 TP64 TP65 TP79 TP80 TP83 TP102 TP104 TP106 TP108 TP109 TP110 TP111 TP112 TP151 TP152 TP153 TP154 TP155 TP181

30、 TP183 TP184 TP185 TP186 TP301 TP302TP303 TP304 TP305 TP306 TP608 TP609 TP610 TP100 TP99 TP101TP103 TP105 TP107 TP51 TP20TP24 TP19 TP31 TP4 TP7 TP16 TP50 TP12 TP3 TP17 TP5 TP28 TP18 TP61 TP60 TP201 TP54 TP35 TP200 TP32 TP13 TP15 TP55 TP56 53 TP27 TP113 TP114 TP115 TP121 TP120 TP122 TP116 TP117 TP118

31、 TP119 TP140 TP124 TP126 TP127 X09-8730-10 Ref. No.AddressRef. No.Address IC16BQ516H IC115GQ526H IC124GQ1515F IC134GQ4003F IC146GQ4012F IC156FQ4023F IC186FQ4032F IC315GQ4042F IC325GQ4053E IC605EQ4063G IC614GQ4072F IC623GQ4082E IC634GQ4092E IC643GQ4102C Q14FQ4112D Q24FQ4122D Q34EQ4132E Q44FQ4142G Q54

32、FQ4152E Q65BQ4164E Q85BQ4172F Q95BQ6003G Q105BQ6013G Q115BQ6023F Q123BQ6035F Q134BQ6042B Q194BQ6052B Q205BQ6062B Q252FQ6072B Q262FQ6085F Q282FQ6094E Q292HQ6104E Q302HQ6114F Q375BQ6124F Q385BQ9003F Q422G 6 KAC-8104D X09-8730-10 (1/3) ABCDE 1 2 3 4 5 6 7 -15.0V -B=-65V 15.0V 15.0V 15.0V 15.0V -15.0V -

33、15.0V 15.0V 15.0V -15.0V 0V 5V 0V 0V 5V 5V 0V 5V 0V 0V 5V 5.0V 5V 0V 0V 5V +B=65V(MAX BU16V=73V) -15.0V -4V 4V 4V -4V -15V 6V -4.5V 4.5V 4V -4V 6V -15V 0V 0V0V 0V IC31 (X09-8730-10) D52D53 Q52 D51 Q51 D305D304 Q25 Q29 Q30 Q151 Q28 Q26 Q42 D18 D19 D101 D103D104 D108D107 Q12Q1 Q20Q D606 Q603 LEVEL INP

34、UT SPEAKER J2 R L LINE IN LINE OUT RL J1 ISO. AMP (1/2) IC11 IC11 (2/2) IC14 (2/2) (1/2) IC60 IC60 (2/2) ATT 1.4dB AUTO P-CON D181 D186 IC12 (1/4)(2/4) IC12 (3/4) IC12 (2/4) IC13 (4/4) IC12 IC13 (3/4) D182 D183 D23D25 D151 (2/2) IC32 (1/2) IC32 D303 MUTE ATT DC/DC HMAX33.5mm 3:14 14 C635 0.01 9 7 14

35、 2 1 34 5 12 10 8 613 3900u16 3900u16 1 8 9 10 8 5 411 6 10u50 2 3 R658 R620 C51 BODY-GND RCA-GND 10u50 680 12K C625 10u50 C121 10u50 C52 820 R59 100K TP120 TP121 R55 10K R56 4.7K 15 6 7 8 4 R115 10K TP104 TP30 TP40 TP44 TP45 TP46 TP43 TP108 TP109 TP110 TP112 TP305 TP306 TP154 TP155 TP181 TP185 TP18

36、6 TP184 TP183 TP52 TP53 7 9 5 1 3 6 2 4 8 10 10u50 C103 27K R105 1000P C101 1000P C102 10u50 C104 1K R102 33P C109 10K R117 10K R120 10K R119 0.01 C210 0.01 C213 1u50 C201 1u50 C202 10u50 C200 5 68 4 7 47K R204 30K R205 10u50 C106 10u50 C108 10u50 C107 10u50 C105 10K R637 0.01 C601 4.7K R646 3 2 1 8

37、6 5 4 7 0.01 C304 10K R302 10K R308 1.1K R182100K R209 47u50 C181 56P C182 47P C183 47u50 C35 47u50 C31 820 R64 4.7K R65 30K R52 R48 47K 1500u100 C25 1/2W1000P C21 1000P C20R46 22 47u50 C36 47u50 C32 10 R58 10 R61 R49 47K 1500u100 C26 1/2W R47 22 L3 C18 C17 6800P C19 1/2W R45 10 4.7K R151 10K R652 1

38、5K R653 10K R152 33K R154 0.1 C152 R153 6.8K 68K R160 3300P C155 12K R161 12K R163 10K R159 1000P C156 5 6 7 C154 47P 1K R155 15K R114 1K R113 33P C113 100P C111 47P C110 33K R116 0.01 C114 3.9K R211 0.01 C117 1K R101 27K R106 10K R103 10K R104 2.2K R108 2.2K R107 47K R636 30K R618 4 3 2 1 8 54 V- V

39、+ 8 7 6 1 2 3 R309 +15V 15V 10K R3076.8K R303 6.2K R306 470 R156 R158 680K 10K R162 R301 10K 330P C303 150K R208 10K R184 10K R183 SW5V SW5V TP80 10K R66 15K R67 30K R57 W 47K R110 47K R112 47K R111 47K R109 R181 680 +15V +15V +65V 10 R53 1K R157 3.9K R305 SW5V 0.01 C53 10K R54 2.2K R51 TP106 TP57 T

40、P102TP111 0.01 C115 5.6K R100 R123 10K C112 100P 75K R121 75K R122 15V 15V 15V +15V +15V 15V +15V 15V 65V 65V C305 0.01C306 0.01 TP301 TP302 TP304 TP303 R659 470K TP55 TP56 1u50 C151 TP152 TP153 TP151 2K R441 2K R442 TP113 TP107 TP105 TP115 TP114 TP103 TP101 TP100 TP99 TP11 TP26 TP25TP29 TP79 TP83 T

41、P135 TP132 TP131 TP134 TP133 TP138 TP136 TP137 4 1 R304 6.2K + + + + + + + + + + + + + + + + + + + + + + + 7 KAC-8104D X09-8730-10 (2/3) JIHGF 15.0V-15.0V V-15.0V 15.0V -15. 82.0V 65.0V 82V (MAX97V) 2.5V 5V 0V0V 5V 0V 5V 15.0V 3.5V 15.0V 1.0V 1.5V 15.0V 1 0V 3.3V 14V 0V 14.3V 3.8V 0.2V 0V 1.3V 14.2V

42、 14.2V 1.3V 5V 0V 5.0V 15.0V 0V0V 3.1-0.8V 0V 5.0-0.3V 0V 0V 0V 5.0V 0V 5.0V 0V 5.0V 5.0V 5.0V IC62 IC63 IC1 D305D304 BASS.BOOST Q607 Q9 Q11 Q10 Q8 Q610 Q Q608 Q4 Q604 Q606 Q605 Q611 Q37 Q38 Q408 Q416 Q5 Q407 D17 Q601 Q600 Q409 Q404 Q400 Q403 Q401 Q406 Q602 Q6 12Q13 20Q19 D610 D3 Q414 Q415 Q402 Q405

43、 Q417 Q612 Q410Q412 Q411Q413 4 2) I.S.F OFF/15Hz/25Hz18dB S3 INPUT SENS L.P.F 50-200Hz 24dB GAIN=0 (1/2) IC14 IC18(1/2) (2/2) IC18 IC15 (2/2) IC15 (1/2) 0-+18dB F=40Hz D400 D604 D601 D611 D613 D612 (2/2) IC61 (4/4) IC13 (1/4) IC13 D600 D407 D403 D404 D405 D406 D-SWITCHDC-PR D13 D9 D11 D12 POWER IND.

44、 RED D303 D10 IC64 (1/2) D608D607 CO OVER CURRENT PROTECTION D-AMP ON/OFF LOW: OFF DC/DC CONT. MUTE TP130 14 10 3900u16 3900u16 R32 R33 10 10 R30 10 R31 TP129 R428 R427 8282 R404 2.7K C207 R403 2.7K C184 6800P TP122 0.15 2.2u50 C205 TP13 TP14TP15 TP32 TP116 R25 11K 360 R28 R426 0.02 5W C195 1500P TP

45、125 TP124 5W TP123 TP117 VR3 10K 3300P 3300P 100K C619C621R607 TP35 TP54 R226 2.2K TP60 TP33 TP1 TP2 TP305 TP69 TP77 TP78 TP89 TP75 L2 TP201 TP200 VR1 10K VR2 50K TP37 TP39 TP41 TH1 TP49 TP52 0.01 C210 0.01 C213 8 4 7 30K R205 24K R214 0.01 C214 0.01 C215 15K R219 2 3 1 3 2 1 4 6 5 8 7 6 5 7 4 3 2 8

46、 1 240 R231 4.7u50 C221 2.2K R233 C217 1.8K R405 1.8K R406 470 R409 51 R411 100 R420 100 R414 750 R410 150 R412 180 R417 47K R415 510K R624 1000P C611 3.3K R627 1000P C600 15K R602 4.7K R603 0.022 C100 0.022 C116 C198 10 10K R642 2.2K R643 22K R641 0.01 C615 C602 0.68 R604 220K C603 0.01 5 6 7 8 1 R

47、 1.3K R612 10u50 C604 1000P C610 3.3K R626 1K R632 330K R634 10K R630 0.047 C620 R633 10K 10K R635 5 6 7 8 V+ 4 3 2 1 V- 8 V+ 7 6 5 V- 51 R400 51 R413 10 R423 10 R424 47K R416 910 R408 680 R407 680 R440 C401 0.047 56K R422 47u50 C404 47u50 C403 5.6K R421 47u50 C402 C18 C17 18 R41 1.5K R38 1 2 3 4 5

48、6 7 8 IN1+ IN1- FBACK DTC CT RT GND C1 16 15 14 13 12 11 10 9 IN2+ IN2- REF OUTCTRL VCC C2 E2 E1 2.2u50 C11 47u50 C24 6.8K R19 680K R18 150K R23 R15 27K C10 0.1 0.1 C12 0.1 C13 10K R24 33K R11 75K R12 C4 100 R13 C5 10K R14 0 01 C6 2.2K R73 0.01 C15 47K R216 10K R207 430 R217 0.033 C216 10K R234 6.2K

49、 R306 +82V +65V 10K R645 1K R608 20K R609 10K R605 12K R610 0.01 C630 C197 10 1.5K R37 82K R16 10K R20 6.8K R22 1000P C16 20K R21 4 W500 3 2 1 100 R26 1K R17 1.5K R74 SW5VSW5V +65V +65V +65V+65V +82V +82V +14.4V +14.4V+14.4V +1+14.3V +14.3V+14.3V +14.3V +14.3V 3.9K 0.02 R425 1000P C618 10K R29 +65V+65V +65V R617 100K 28 3 22K R619 10K R621 C616 0.033 C608 1 0.01 C609 0.033 0.01 C632 SW5V 6.8K R213 1K R218 0.068 C209 3.3K R220R206 10K 2.2K R222 15K R221 0.022 C211 15K R223 12K R224 0.068 C212 15K R225 0.15 C208 R235 2.2K C224 100P +15V 15V +15V 15V +15V 15V 15V +15V 15V +15V 1