Kenwood-KAC-5203-Service-Manual 电路图 维修手册.pdf

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1、 2007-1 PRINTED IN JAPAN B53-0495-00 (N) 955 POWER AMPLIFIER KAC-5203 SERVICE MANUAL Screw washer (N09-4215-08) Panel (A64-4134-02) Screw set (N99-1587-05) Accessory (W01-1607-05) Fuse (25A) (F52-0014-05) Rear panel (A84-0463-02) Connecting cord assy (E30-6145-05) This product uses Lead Free solder.

2、 RadioFans.CN 收音机爱 好者资料库 KAC-5203 2 BLOCK DIAGRAM INPUT SENSE ISOLATION AMPLIFIER IC1,2 VR1 SHOCK NOISE MUTE Q610-614 DC DETECT & OVER CURRENT PROTECTION Q606-609,617-621 (+6dB) IC3 LPF 80Hz 12dB/OCT INPUT SENSE AMPLIFIER ISOLATION IC1,2 VR1 LINE IN Lch LINE IN Rch IN SPEAKER IC3 Q615,616 MUTE Q217,

3、219 AMPLIFIER POWER Q218,220 J1 J2 J3 Rch SPEAKER OUT SPEAKER OUT Lch DC-DC CONVERTER L1 15V AVR D8,9 THERMAL PROTECTION TH1 Q602 Q3 OVER VOLTAGE PROTECTION P. CON CIRCUITP. CON BATT. POWER AMPLIFIER +11dB0dB27dB RadioFans.CN 收音机爱 好者资料库 KAC-5203 3 AUDIO UNIT (X09-8612-70) Ref. No.Application / Funct

4、ionOperation / Condition / Compatibility IC1,2Input Isolation AMP IC3Pin 1-3: LPF, Pin 5-7: Inverter IC4DC-DC Comparator IC5Attenuator Driver Q3-6FET Driver Q7,8For DC-DC Comparator Q201204Difference AMP 1st Stage Q205,206Current Mirror Q207210Difference AMP 2nd Stage Q211,212Temperature Compensatio

5、n Q213216Darlington 1st Stage Q217220Final Stage Q601Voltage Supply Q602Over-voltage Protection Q603P.CON Q604,605Mute Driver Q606609DC Protection Q610614Shock Noise MuteWhen turning power ON/OFF, the protection functions. Q615,616Mute Q617621Over-current DET Q622,623Attenuator D1BATT Reverse Connec

6、tion Protection D2,3IC4 Reverse Breakdown Voltage Protection D4Mute Driver D6,7DC-DC Rectifier D8,915V AVR D101104Static Electricity Countermeasure D201,202Difference AMP 2nd Stage D203,204Current Mirror D601Voltage Supply D602Over-voltage DET D603Voltage Supply D604Shock Noise MuteWhen turning powe

7、r ON/OFF, the protection functions. D605,606Mute Driver D607LED Control D609,610DC Protection D611613Shock Noise MuteWhen turning power ON/OFF, the protection functions. D614617Over-current DET D650P.CON-ON DET When P.CON is ON, the LED lights. When DC protection functions, the LED goes out. COMPONE

8、NTS DESCRIPTION RadioFans.CN 收音机爱 好者资料库 KAC-5203 4 ABCDE 1 2 3 4 5 6 7 PC BOARD (FOIL SIDE VIEW) IC4 IC5 AUDIO UNIT X09-8612-70 (J76-0349-11) W901 W900 W76 W63 C2 C1 C3 W84 C5C7 C9 C10 C221 C601 C602 C605 C607 C614 C615 C616 W71 R21 SDGSDG R22 R233 BE BE BE BE BE BE BE BE E BE BE BE BE R236 R237 W2

9、W35 W47W52 W44 W42 W48 W69 W67 W41 W53 W74 W73 W39 W25 W86 W64 W62 W2 W43 W W32 W81 W36 W37 W29 W31 W40 W30 W45 W80 W34 W82 W54 W55 W56 W57 W58 W59 W60 W61 W72 W70 W68 W75 1234567 W66 W49 W46 W50 W51 W77 W79 W85 W33 W38 W78 C11 C12 L1 L2 R24 C8 W143 W161 R203 R204 R615 R616 C6 C C205 C206 C209 C210

10、C211 C212 C21 C214 C215 C216 C218 C603 C604 C606 C608 C610 C612 C619 R663 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R222 R223 R22 EB B R226 R228 R229 R232 R238 R251 R252 R253 R254 R601 R602 R603 R

11、604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R617 R618R619 R620 R621 R622 R623 R624 R625 R626 R627 R628 R629 R630 R631 R632 R633 R642 R644 R646 R648 R650 R651 R652 R653 R654 R655 R656 TH1 W160 W159 W154 W155 W127 W150 W152 W141 W142 W149 W151 W147 W140 W158 W153 W157 W163 W164 W144 W W124 W126 W

12、133 W12 W128 W129 W132 W130 W134 W145 W136 W137 W138 C219 W139 W131 W123 R659 R660 R661 C220 C618 W135 R665 R666 R667 R664 W156 W162 W148 R657 41 58 18 916 B EB EB E B E B E B EB E BE B EB EB EB E B E B E BEBE BEBE B E B EB E BE B E BE CN1 Q601 D2 D3 D4 D201 D202 D2 D204 D603 D605 D606 D607 D610 D61

13、1 D614 P1 Q205 Q206 Q207 Q208 Q209 Q210 Q213 Q610 Q617 Q619 Q216 D650 D1 D6D7 J3 Q7Q8 Q211 Q212 Q217 Q220 Q3Q6 D601D602 D604 D609 D613 D616 Q4 Q5 Q201 Q202 Q203 Q204 Q602Q603 Q604 Q605 Q606 Q607 Q608 Q609 Q611 Q612Q613 Q614 Q621 Q622Q623 KAC-5203 5 JIHGF 1 2 3 4 5 6 7 X09-8612-70 Ref. No.Address IC1

14、3F IC24G IC35G IC45D IC56D Q35C Q44C Q54C Q65C Q72C Q82C Q2014E Q2024E Q2034E Q2044E Q2053E Q2065E Q2074E Q2085E Q2094F Q2105E Q2112F Q2126E Q2133E Q2146F Q2153G Q2166E IC1 IC2 IC3 W7 W6 C13 W84 C14 C103 C104 C149 C151 C152 C153 C154 C201 C202 C207 C208 C304 C307 C308 C309 C310 C609 BE B BE B EB E B

15、E B BE BE 1 2 9 10 R234 R235 W12 W27 W10 W25 W19 W24 W21 W16 W26 W11 W23 W32 W15 W17 W9 W2 W3 W1 W4 W5 W8 W20 29 W22 W28 W31 W18 W14 W30 W82 W13 C617 W83 R23 R24 VR1 R306 W165 C107 C115 C303 R634 C101C102 C105 C106 C108 C109 C110 C111 C112 C113 C114 C116 C119 C203 C204 C213 C214 C215 16 C217 C218 C3

16、01 C302 C305 C306 C610 C611 C612 C613 R663 R101 R102 R103R104 R105 R106 R107R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R122 R123 R124 R149 R151R152 R153 R154 R155 R156 R201 R202 R205 R209 R211 215 217 R219 R220 R221 R222 R223 R224 R225 EB BE R226 R227 R228 9 R230 R231 R238

17、 R239 R301 R302 R303 R304 R305 W102 R307R308 R309 R310 R311 R635 R636 R637 R638 R639 R640 R641 R642 R643 R644 R645 R647 R649 W104 W106 W113 W118 W115 W114 W107 W109 W111 W112 W110 W117 W116 W103 W121 W124 W126 W125 W108 W122 R658 W120 W119 W123 W101 W105 R659 R660 R661 C130 R130 C131 R131 W135 R662

18、W156 W162 W146 85 14 85 14 41 58 B EB E B E B E BE CN2 D203 D617 205 Q207 Q209 Q214 Q215 Q618 Q620 J1 J2 Q211 Q212 Q218 Q219 0 S1 OFF-LPF D8 D101 D9 D102 D103 D104 D612 D613 D615 D616 Q201 02 Q615 Q616 Q622Q623 Ref. No.Address Q2172E Q2186G Q2192F Q2206E Q6016C Q6026B Q6036B Q6046C Q6056D Q6066C Q60

19、77C Q6086C Q6097C Q6106D Q6117C Q6127D Q6137D Q6147D Q6155F Q6165F Q6173E Q6183F Q6196E Q6206F Q6216D Q6224F Q6234E Refer to the schematic diagram for the values of resistors and capacitors. KAC-5203 6 ABCDE 1 2 3 4 5 6 7 3.41V 15V 28.5V 15V -28.5V -15V -15V +B 15V +15V +15V AUDIO UNIT (X09-8612-70)

20、 D102 D101 D6 D7 Q616 Q615 Q202 Q20 Q2 Q203 Q204 Q201 Q612 Q611 Q613 Q614 S1Q622 Q623 D104 D103 IC1 (1/2) (2/2) IC1 (1/2) IC2 (2/2) IC2 (2/2) IC5 (1/2) IC5 (1/2) IC3 IC3 (2/2) D8D9 D611 D D R J1 L J2 DIFFERENCE AMP 2ND STAGE 1st STAGE DIFFERENCE AMP MUTE ATTENUATOR PIN 1-3 : LPF, PIN 5-7 : INVERTER

21、ATTENUATOR DRIVER INPUT ISOLATION AMP INPUT ISOLATION AMP SHOCK NOIS MUTE LPF/OFF (6dB UP) LPF : 80Hz 12dB/OCT SP IN INPUT SENSE SIGNAL LINE B LINE B LINE GND LINE VR1 10K TP101TP102 TP103 TP104 TP105 TP106 TP107 TP108 TP100 TP115 TP151 TP152 TP153 TP154 TP302 TP303 TP301 TP201 TP202 TP207 TP205 TP2

22、06 T TP627 TP628 TP618 TP620 TP621 TP623 TP624 TP625 TP626 TP116 TP304 TP111 TP112 TP113 TP114 TP622 TP109 TP110 TP208 TP305 TP29TP30TP31 TP32TP33TP34 TP635 TP155 TP156 TP157 TP158 R+ L+ L- R- 1mA L+R 8 3 2 1 5 6 7 3 4 82 1 2 83 1 4 6 5 7 1K R101 11 R131 1000P C131 1000P C101 1000P C130 10 R130 10K

23、R103 4.7K R105 15P C105 12K R109 10K R107 0.01 C107 3.9K R111 3.9K R117 47P C109 22K 15P C111 0.01 C115 R123 22K C113 47P 3.9K R119 120 R115 3.9K R113 1K R149 1000P C149 1K R102 1000P C102 10K R104 10u50 C104 10u50 C103 4.7K R106 15P C106 10K R108 12K R110 0.01 C108 3.9K R112 0.1 C119 3.9K R114 120

24、R116 3.9K R120 C114 47P R124 22K C110 47P 3.9K R118 R122 22K 15P C112 0.01 C116 47u25 C13 2200u35 C11 47u25 C14 2200u35 C12 2W 820 R23 2W 820 R24 1000P C10 1/2W 10 R22 1000P C9 1/2W 10 R21 47 R632 6.8K R630 47 R633 6.8K R631 10K R629 33K R627 10K R628 33K R626 5.6K R624 0.1 C608 4 R6 47K R625 10K R6

25、67 3.3K R666 10K R665 R664 150K 10K R663 4.7K R662 10u50 C617 0.01 C618 0.01 C619 2.2K R151 2.2K R152 39K R153 39K R155 39K R156 39K R154 10u50 C151 10u50 C153 10u50 C154 10u50 C152 10u50 C308 10u50 C309 10u50 C304 47K R310 33K R301 47K R309 33K R302 27K R303 0.1 C301 0.1 C302 10K R304 10K R305 0.01

26、 C303 47K R306 3.3K R636 15K R658 10K R660 10K R661 150K R634100K R635 4.7u50 C609 10K R637 10K R638 100K R641 100K R640 10u50 C201 470P C203 47K R201 47P C219 2.7K R205 100 R209 2.7K R207 4700P C205 15K R203 6P C209 47K R251 2.2K R25322u50 C207 100P C211 470P C204 47K R202 2.7K R206 100 R210 4700P

27、C206 2.7K R208 100P C212 47K R252 6P C210 15K R204 47P C220 2.2K R25422u50 C208 10u50 C202 10u50 C307 10u50 C310 15K R659 3.3K R639 0.01 C306 R308 10K 47P C305 10K R307 47K R311 4 5 6 1 3 2 78 109 87 65 43 21 4 5 6 7 8 3 2 1 4 6 5 7 Q207-210 Q201-204 Q610-614 Q622,623 R121 +B +B +15V -15V -B -15V +1

28、5V +15V -15V +15V -B +B -15V +15V -B +15V +B -B +B -15V +15V + + + + + + + + + + + + + + + + + + + + X09-8612-70 (1/2) B C E B EC 2SA817A-F 2SA992-A 2SC1627A-F 2SC1845-A2SA1576A2SC34192SC4081 KAC-5203 7 JIHGF 1 2 3 4 5 6 7 5V 14.4V +B 15V 14V IC4 KAC-5203 Q8 Q601 Q609 Q5 Q4 Q607 Q6 Q602 Q608 Q604 Q7

29、 Q3 Q603 P1 Q605 Q606 Q208 Q617 Q207 Q619 Q618 Q205 Q209 Q621 D616 D615 Q210 Q620 D612 Q206 D613 12 11 Q610 Q213 Q214 Q215 Q216 Q211 Q212 Q217 Q218 Q220 Q219 IC1-3,5: BA4560RF IC4: TL494IDR Q3,6: 2SC4097 Q4,5: 2SA1577 Q7,8: STP60NF06FP Q201-204,605,606,612,614 : 2SA1576A(R,S) Q205,206,618,619 : 2SA9

30、92-A(F,E) Q207-210,610,617,620 : 2SC1845-A(F,E) Q211,212: 2SC3419(Y)-F Q213,214: 2SC1627A-F Q215,216: 2SA817A-F Q217,218: 2SC4468NF Q219,220: 2SA1695NF Q601: 2SB1241 Q602-604,607-609,611, 613,615,616,621-623 : 2SC4081 D1: RM4ZLF-J4NF D2-4,201-204,603,605-607, 610,611,614,617 : 1SS133 D6: FCH10A20 D7

31、: FRH10A20 D8,9,602: UDZS15B D101,612: LM1MA142WK-G D102,613,615,616 : LM1MA142WA-G D103,104,601 : UDZS6.8B D604,609: UDZS10B D650: B30-1710-05 D611 D610 D650 D609 D606 D607 D605 D604 D601 D602 D1 D2 D3 D4 D614 D203 D201 D202 D204 D617 SP OUT J3 DC PROTECTION MUTE DRIVER FET DRIVER for DC-DC COMPARA

32、TOR DC-DC COMPARATOR VOLTAGE SUPPLY P.CON OVER VOLTAGE PROTECTION DARLINGTON 1st STAGE FINAL STAGE TEMPERATURE COMPENSATION CURRENT MIRROR P HOCK NOISE MUTE OVER DET CURRENT D603 02 TP207 TP211 TP212 TP1 TP3 TP2 TP5 TP6 TP632 TP7 TP8TP9 TP17 TP18 TP19 TP20 TP15 TP16 TP21 TP22 TP23 TP24 TP25 TP26 TP6

33、02 TP604 TP605 TP606 TP608 TP614 TP612 TP615 TP613 TP631 TP633 TP618 P620 1 TP629 TP630 TP601 TP214 2 TP213 TP208 TP215 TP216 TP217 TP218 TP28 TP27 L2 TP634 TP635 NORMAL +DC -DC DC A-MUTE 55W/4 65W/2 1mA 2mA 150W/4BTL L1 1000P C10 1/2W 10 R22 1000P C9 1/2W 10 R21 4.7K R19 4.7K R20 56 R18 56 R17 56 R

34、15 56 R16 1.5K R14 1.5K R13 2200u16 C8 10K R11 2.2u50 C7 1M R10 10K R9 470 R7 10K R8 R6 4.7K C6 0.01 R4 100K 47u25 C5 2.2K R5 10K R12 10u50 C2 R3 22K C3 1000P R2 10K R1 1K TH1 3.6K R605 3.6K R601 30K R604 3.9K R602 3.9K R603 1.5K R606 3.3K R607 10u50 C1 10u50 C601 0.01 12K R620 12K R619 10K R6172.2K

35、 R618 0.01 C604 C603 0.01 2.2K R616 1.2K R615 33K R612 10K R613 10K R611 4.7K R610 33K R609 2.2K R608 5.6K R621 100u10 C605 1K R657 5.6K R624 0.1 C608 47K R623 100 R622 33u35 C607 47K R625 6P C209 47K R251 2.2K R25322u50 220 R211 15K R215 220 R213 C213 3P 100P C211 330 R217 1.5K R219 47 R238 470 R22

36、1 47 R223 1.2K R642 1000P C610 1.2K R643 1000P C611 47 R225 4.7 R229 1K R646 560 R227 2W 0.1 R233 2W 0.1 R235 1K R647 4.7 R231 220u35 C221 10 R237 47P C215 10 R655 0.047 C615 47K R653 47K R654 47K R652 10 R656 0.047 C616 4.7 R232 1K R648 1.2K R644 1000P C612 1.2K R645 1000P C613 560 R228 1K R649 4.7

37、 R230 2W 0.1 R234 2W 0.1 R236 12K R650 100u10 C614 10K R651 47 R226 47 R224 470 R222 47 R239 1.5K R220 0.01 C218 220 R214 330 R218 100P C212 47P C216 3P C214 15K R216 220 R212 47K R252 6P C210 2.2K R25422u50 GND BATT P-CON LCH- LCH+ RCH- RCH+ 5 6 7 3 4 1 2 1 2 3 4 5 6 7 8 IN1+ IN1- FBACK DTC CT RT G

38、ND C1 16 15 14 13 12 11 10 9 IN2+ IN2- REF OUTCTRL VCC C2 E2 E1 10u50 + C602 Q606-609 Q3-6Q7,8 Q213-216 Q217-220 Q211,212 Q205,206 Q617-621 610-614 C217 0.01 C606 Q604,605 +B -B -B -B +B 5V 10 : 5 : OFF (F52-0014-05) F1 (25A) + + + + + + + + + CAUTION : For continued safety, replace safety critical

39、components only with manufacturers recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the applianc

40、e is returned to the customer. X09-8612-70 (2/2) DC voltages are as measured with a high imped- ance voltmeter. Values may vary slightly due to variations between individual instruments or/and units. KAC-5203 8 Parts with the exploded numbers larger than 700 are not supplied. EXPLODED VIEW 3 2 1 BA

41、(X09-8612-70)J3 J1 J2 (Insulated sheet is contained in transistor) Ax3 Ex7 Ax7 Bx3 Cx3 Cx2 Dx2 706 702 F1 4 1 9 8 DC1 3 B C C C C C C (X09) (X09) (X09) C C 711 A B C D E : : : : : N09-6365-05 N80-3010-43 N89-3008-48 N09-6447-05 N09-4215-08 2.6x13 3x10 KAC-5203 9 Indicates safety critical components.

42、 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Ref. No. A d d N e w Parts No.Description Desti- nation Ref. No. A d d N e w Parts No.Description Desti- nation E : Europe K : North Am

43、erica M : Other Areas W : Without Europe PARTS LIST 11BA21-6586-03DRESSING PANELKE1 11BA21-6587-03DRESSING PANELM1 32AA64-4134-02PANEL 42BA84-0463-02REAR PANEL -B64-3531-00INST. MANUAL (ENG.FRE.SPA.) KE1 -B64-3532-00INST. MANUAL (GER.DUT.ITA.POR.)E1 -B64-3533-00INST. MANUAL (ENG.T-CHI.S-CHI.)M1 DC11

44、AE30-6145-05CONNECTING CORD ASSY F13BF52-0014-05FUSE (BLADE TYPE) (25A) -H54-3981-03ITEM CARTON CASEKE1 -H54-3983-03ITEM CARTON CASEM1 81AN99-1587-05SCREW SET A2BN09-6365-05SEMS (TAPTITE SCREW) (2.6X13) B3BN80-3010-43PAN HEAD TAPTITE SCREW C3BN89-3008-48BINDING HEAD TAPTITE SCREW E2BN09-4215-08SCREW

45、 WASHER 91AW01-1607-05ACCESSORY D650B30-1710-05LED (RED) C1CD04AU1H100MNP-ELEC10UF50WV C2CD04BJ1H100MELECTRO10UF50WV C3CQ93FMG1H102JMYLAR1000PFJ C5CD04BJ1E470MELECTRO47UF25WV C6CK73GB1H103KCHIP C0.010UFK C7CD04AU1H2R2MNP-ELEC2.2UF50WV C8CD04AZ1C222MELECTRO2200UF16WV C9,10CK45FB1H102KCERAMIC1000PFK C

46、11,12CD04AZ1V222MELECTRO2200UF35WV C13,14CD04BJ1E470MELECTRO47UF25WV C101,102CK73GB1H102KCHIP C1000PFK C103,104CD04BJ1H100MELECTRO10UF50WV C105,106CC73GCH1H150JCHIP C15PFJ C107,108CK73GB1H103KCHIP C0.010UFK C109,110CC73GCH1H470JCHIP C47PFJ C111,112CC73GCH1H150JCHIP C15PFJ C113,114CC73GCH1H470JCHIP C

47、47PFJ C115,116CK73GB1H103KCHIP C0.010UFK C119CK73GB1H104KCHIP C0.10UFK C130,131CK73GB1H102KCHIP C1000PFK C149CK45FB1H102KCERAMIC1000PFK C151-154CD04BJ1H100MELECTRO10UF50WV C201,202CD04BJ1H100MELECTRO10UF50WV C203,204CC73GCH1H471JCHIP C470PFJ C205,206CK73GB1H472KCHIP C4700PFK C207,208CD04BJ1E470MELEC

48、TRO47UF25WV C209,210CC73GCH1H060DCHIP C6.0PFD C211,212CC73GCH1H101JCHIP C100PFJ C213,214CC73GCH1H030CCHIP C3.0PFC C215,216CC73GCH1H470JCHIP C47PFJ C217,218CK73GB1H103KCHIP C0.010UFK C219,220CC73GCH1H470JCHIP C47PFJ C221CD04BJ1V221MELECTRO220UF35WV C301,302CK73GB1H104KCHIP C0.10UFK C303CK73GB1H103KCH

49、IP C0.010UFK C304CD04BJ1H100MELECTRO10UF50WV C305CC73GCH1H470JCHIP C47PFJ C306CK73GB1H103KCHIP C0.010UFK C307-310CD04BJ1H100MELECTRO10UF50WV C601,602CD04BJ1H100MELECTRO10UF50WV C603,604CK73GB1H103KCHIP C0.010UFK C605CD04BJ1A101MELECTRO100UF10WV C606CK73GB1H103KCHIP C0.010UFK C607CD04BJ1V330MELECTRO33UF35WV C608CK73GB1H104KCHIP C0.10UFK C609CD04BJ1H4R7MELECTRO4.7UF50WV C610-613CK73GB1H102KCHIP C1000PFK C614CD04BJ1A101MELECTRO100UF10WV C615,616CQ93FMG1H473JMYLAR0.047UFJ C617CD04BJ1H100MELECTRO10UF50WV C618,619CK73GB1H103KCHIP C0.010UFK J12BE63-0938-05PIN JACK J22AE58-1031-0