Kenwood-KAC-9103-D-Service-Manual 电路图 维修手册.pdf

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1、 2006-11 PRINTED IN JAPAN B53-0471-00 (N) 957 POWER AMPLIFIER BOOST CONTROL SYSTEM Power Amplifier Class D Mono K type E,M type Dressing Panel (A21-6563-02): (K type) (A21-6564-02): (E,M type) Fuse (30A) (F52-0015-05) Accessories (W01-1606-05) x2 Screw set (N99-1794-05) Connecting cord assy (E30-614

2、5-05) 19cm KAC-9103D SERVICE MANUAL This product uses Lead Free solder. This product complies with the RoHS directive for the European market. RadioFans.CN 收音机爱 好者资料库 2 KAC-9103D BLOCK DIAGRAM LINE OUT LINE IN IC11 ISO SP IN IC11 INV NOR/REV I.F.S 25Hz 15Hz IC11 SENS L.P.F BASS BOOST FREQ IC13 LVL I

3、C12 Q151 MUTE IC31 IC12,13 DEAD CONT TIME TRIANGLE WAVE D CLASS AMP Q401-415,187-190 DET. LOAD OVER PROTECT THERMAL OP AMP DET. OFFSET DC AVR +15V D.D CON +15V AVR AVR -15V 15V COMPARATOR HB Q25,26 Q28,42 Q8-20 DET P-CON TR SW SP OUT P-CON BATT GND IND LEVEL DIAGRAM OUT X08 LEVEL VOL OUT INPUT SP -1

4、0 0 10 20 30 40 50 ISOLATIONX08D CLASS AMP KAC-9103D X09-5820-14 X08-4180-12 RadioFans.CN 收音机爱 好者资料库 3 KAC-9103D COMPONENTS DESCRIPTION PREAMPLIFIER UNIT (X08-4180-12) Ref. No.Application / FunctionOperation / Condition / Compatibility IC11 (1/2)INFRA SONIC FILTERCutting super-low area of voice sign

5、als IC11 (2/2)INVERTERReversing voice signal phase IC12 (1/2)OP AMPVoltage amplification, buffer IC12 (2/2)BASS BOOSTHigh-boost (variable levels) IC13LOW PASS FILTERCutting high range of voice signal IC14,15BASS BOOSTHigh-boost (variable levels) AUDIO UNIT (X09-5820-14) Ref. No.Application / Functio

6、nOperation / Condition / Compatibility IC1DC/DC converter ICCreate drive signal for switching element IC2 (1/2)Differential amplifierDetection of temperature, DC, and excess current and hold protection for a certain time IC2 (2/2)Differential amplifierContaining excess voltage of B IC11Isolation amp

7、lifierPrevention of noise by the electric potential difference of GND IC12,13NANDGeneration and forming of Dclass section reversal waveform and dead time IC31ComparatorDigitalize signal by comparing analog signal and triangular wave IC32 (1/2)Triangular wave generationReference signal generation for

8、 converting analog signals to digital signals IC32 (2/2)Error amplifierError compensation by feedback from output IC61,62ComparatorDetection of short-circuiting of SP output and determine excess current for triggering protection Q13PCON switchTurns on the circuit when ON-signal is impressed on PCON

9、Q4,5MuteMute drive signal generation, Turn LED off Q811Gate driveDC/DC converter FET gate drive Q1214 DC/DC converterDC/DC converter switching Q1820 Q25,26,28AVR15V AVR Q29,30Tracking when 15V AVR is OFFAdjusts -15V AVR falling to +15V AVR falling Q36DC/DC converter ON/OFF controlStops DC/DC convert

10、er switching when protection is triggered Q37,38DC/DC converter pulse ON/OFF controlON/OFF of DC/DC converter drive waveform Q414.4V AVRVref 5V reference AVR Q42AVR15V AVR Q43DC/DC converter ON/OFF controlStops DC/DC converter switching when protection is triggered Q151MuteTurning off voice signal Q

11、187190Electric power amplificationDclass large current switching Q401409 Pulse amplification and rectifyingGeneration of signal for driving Dclass final FET Q411414 Q41615V AVRIntegration AVR for obtaining Dclass High+B Q417,418 Control of ON/OFF of electricMakes the electric power amplification sec

12、tion non-operative for 1.2 seconds when the power amplification sectionpower is turned on and when protection is triggered Q601,602ComparatorDetection of short-circuiting of SP output and determine excess current for triggering protection Q603DC/DC converter controlConvey IC62 u pin output, result o

13、f excess current detection, to IC2 and stop the DC/DC converter Q604607Electric current and voltage conversionConversion of current to voltage of the current flowing to final Q608611Latch circuitDetection and holding of output excess voltage Q612FAN +BWhen P-CON is ON, fan is rotated RadioFans.CN 收音

14、机爱 好者资料库 4 KAC-9103D ABCDE 1 2 3 4 5 6 7 PC BOARD (FOIL SIDE VIEW) C115 C302 W338 C518 C604 C608 R64 R181 R646 R208 R304 R417 R608 R611 R612 R616 R617 R525 R527 R74 R638 C612 C614 R640 R182 +5V C111 R120 C101 C102 R103R104 R114 R115 R117 C117 C501 C502 C503 C519 C6 C116 C152 C182 C183 C301 C401 C517

15、 C156 C603 C606 C607 C609 C615 R414 C524 R2 R4 R14 R48 R65 R153 R154 R302 R409R410 R419 R416 R508 R509 R526 R528 R415 +15V-15V R602 R606 R610 R619 R621 R643 R644 C4 C109 C110 C112 C113 C154 C303 C304 C507 C509 C513 C515 R413 R412 R406 R411 R9 R405R404 R403 C610 C611 R10 R68 C525 R73 R529 R3R5R6 R7 R

16、8 R11 R12 R13 C526 R53R58 R61 R66 R67 R105 R106 R113 R116 R119 R121 R122 R123 R124 R151 R152 R155 R156 R157 R158 R159 R160 R183R184 R199 R200 R206 R209 R301 R303 R305 R306R307 C527 R425 R162 R407 R408 W351 R426 C405 C406 R423 R424 R506 R507 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522

17、 R523 W352 W353 W354 W355 W356 R601 R603 R604 R605 R607 R609 R613 R614 R615 R622 R645 C616 C617 R623 R624 R625 R626 R627 R639 R641 R642 W401 W360 W346 W328 W324 W337 W336 W332 W333 W361 W323 W320 W322 W339 W319 W329 W321 W348 PWM W317 W350 W318 W326 W330 W331 R210 R211 58 1441 58 41 58 41 58 71 814

18、71 814 41 58 71 814 71 814 41 58 BE EB EB E B EB EB EB E BE BE BE BE BE BE BE BE EB EE BE BE BE BE BE BE BE SGDDSG EB B 13 24 1 2 9 10 17 28 W76 W85 W100 C35 R510 C506 C181 R108 R112 R107 R111 R118 C2 C3 C5 C522 C31 C32 C36 C521 C153 C504 C505 C510 C511 C520 C523 C602 C605 C613 R401 R402 R420 C103 C

19、104 C105C106C107C108 C114 C151 C195C196 C508 C514 C516 C601 R52 R57 R101 R102 R109 R110 R161 R418 R629R630 W108 W81 W78 W89 W93 W94 W32 W73 W105 W52 W102 W40 W49 W60 W59 W88 W19 W27 W30 W26 W18 W84 W71 W48 +B W39 W31 W35 W103 W135 W134 W136 W104 W72 W77 W99 W106 W66 W74 W87 W107 W55 W57 W68 W65 W64

20、W133 W132 W67 W92 W25 W34 W56 W36 W37 W58 W46 W50 W45 W44 W54 W43 W51 W33 W41 W131 W23 W22 W29 W53 W95 W79 W38 W129W130 W21 W20 W61 W75 W69 W109 W117 W118 W62 C25 C155 R504 R501 R502 R503 L4/L14 W121 W110 W124 W123 W122 W115 W114 W119 L14 R203 R204 W505 W506 B E BE BE B E BE BE B E EB BE B EB E BE B

21、 E B E BE BE D607 D608 Q612 Q30 Q602 D501 D605 Q608 D181 D101 D8 D23 D25 Q1 Q2 Q29 Q151 Q601 Q603 Q609 Q610 Q611 D5 D308 Q4 Q501 Q5 Q410 Q414 Q411 Q415 D103 D105 D107 D109 D904 D907 Q3 D186 D305D307 D906 D908 D6 D7 D9 D10 D11 D104 D106 D108 D110 D151 D182D183 D303 D304 D306 D401 D402 D601 D602 D604

22、D606 Q25 Q42 Q401 Q402 Q408 Q412 Q417 Q418 Q604Q605 Q606 Q607 J1 LINE OUT LINE IN SPEAKER LEVEL INPUT REMOTE SPEAKE D502 CN1 Q26 J2 P1 Q409 Q413 J4 Q28 Q187Q189 Q Q403 Q404 Q405 Q406 Q407 IC11 IC31IC32 IC51 IC61IC62 IC52 IC53 IC12IC13 AUDIO UNIT X09-5820-14 A/2 (J76-0072-41) Refer to the schematic d

23、iagram for the values of resistors and capacitors. 5 KAC-9103D JIHGF 1 2 3 4 5 6 7 R72 C7 C9 C11 R20 R25 R32 R34 R36 R37 R38 R43 R44 R49 R70 C13 C14 R17 C82 R19 R22 R23 R29 R30 R31 R33 R35 R39 R40 R41 R42 R71 R201 R202 R207 R421 W357 W358 TH1 C81 W306 W307 W301 W308 W302 W305 W303 W309 W304 41 85 16

24、9 18 EB DDSGSG BE SDGSDGSDGSDGSDGSDGSDGSDG 13 C12 C40 C1 C21 C22 W120 C8 C83 C10 C19 C20 C23 C193 C194 C402 C403 C404 R1 R45 R46R47 R422 R636R637 W11 W12 W10 W9 W3 W16 W15 W1 W6 W2 W5 -B W7 W8 W17 W126 W125 W128 W127 W129 W13 W14 C26 L1/L11 W112 W116 W501 W502 L1 L11 L4 C15 C16 C17 C18 C197 C198 C19

25、9 P-CONGND BATT OUT L3 W504 W505 W506 W503 B E B EB E B E B E BE B E BE Q8 Q9 Q43 Q10 Q11 Q36 D4 D407 Q37 Q38 D81 Q41 D3 D15 D12 D14 D16 D17 D403 D404 D405 D406 Q416 SPEAKER OUTPUTPOWER IN D2 D1 J3 P1 Q12 Q13 Q14 Q15 Q17 Q18 Q19 Q20 D18 D19 J5 Q188 Q190 WH2 P2 IC1 IC2 X09 B/2 Ref. No. Address IC16I

26、IC23I IC116B IC124B IC134B IC314C IC324C IC615C IC625D Q16D Q26D Q36D Q46D Q56D Q86I Q96I Q105I Q116I Q124H Q134H Q145H Q183H Q193H Q204H Q252C Q262C Q282B Q292B Q302C Q363I Q376I Q386I Q415I Q422C Q435I Q1514C Q1872E Q1882G Q1892D Q1902F Q4013B Q4023B Q4033C Q4043B Q4053B Q4063B Q4073C Q4083C Q4093

27、C Q4113C Q4123C Q4133C Q4143C Q4162H Q4173B Q4183B Q6015D Q6025D Q6035D Q6044D Q6054D Q6064D Q6074D Q6085D Q6095D Q6105D Q6115D Q6124D X09-5820-14 6 KAC-9103D KLMNO 1 2 3 4 5 6 7 PC BOARD (FOIL SIDE VIEW) Refer to the schematic diagram for the values of resistors and capacitors. W51 C202 C206 C203 C

28、126 C207 R129 R204 C201 C208 C209 C204 C205 W151 R202 R201 R203 R205 R208 R207 R212 R211 R210 R206 R209 W52 W254 W257 W258 W255 W252 W256 W251 W253 C104 C109 C122 C103 C108 C123 C115 C116 C118 C119 R102 R104 R105 R107 R108 R109 R111 R113 R127 C117 C120 R101 R103 R106 R110 R112 R119 R120 R121 R122 R1

29、23 R124 R125 R126 R623 R62 17 OFF 25Hz 15Hz ONOFF I.N.V I.S.F INPUT SENSLOW PASS 5V 200mV 200Hz 50Hz BASS BOOST 0dB 18dB 82 13 1 3 1 3 4 1 2 4 C107 W19 W5 W9 W17 W14 W18 W6 W11 W13 W2 W12 W3 W4 W8 W16 W201 W20 W204 W15 W10 C101 C121 C102 C106 C105 C124 W203 W202 W7 W22 W21 VR1 VR2VR3 VR62 VR61 1 1 +

30、15V LED SIG1 SIG2 DGND -15V ISO GND 2 51 10 3 4 6 1 TP49 TP48 TP5 TP4 TP8 TP1 TP2 TP3 TP7 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19 TP20 TP21TP22 TP23 TP24 TP25 TP26 TP27 TP36 TP37 TP38 TP39 TP40 TP41 TP42TP43 TP44 TP45 TP63 TP64 TP62 TP61 TP60 TP65 ISO GND 1 6 463524635 2241365 14 58 41 21 31 58

31、 41 58 41 58 41 58 CN1 CN2 WH1 CN3 D1 S1 S2 J1 IC14 IC15 IC11 IC12 IC13 PREAMPLIFIER UNIT X08-4180-12 A/2 (J76-0068-12) X08 B/2 FREQUENCY BOOST LEVEL X08-4180-12 Ref. No.Address IC113N IC122M IC133M IC142L IC153L R1 C1 31 CN1 D1 PREAMPLIFIER UNIT X08-4360-10 (J76-0379-02) 7 KAC-9103D ABCDE 1 2 3 4 5

32、 6 7 X09-5820-14 A/2 (1/2) 10K 10K 10K 10K 15.0V -15.0V 6V -15V 0V 15.0V 6V -15V 4V -4V 4.5V -4.5V 0V -15.0V 15.0V 0V 4V -4V 5.3V 2.6V 2.6V 2.6V 2.6V 2.6V 2.6V 2.6V 2.6V 0V 2.6V 2.6V 0V 0V 0V 0V 5V 0V 5V 5V 0V0V 5V 5V 0V 0V 5V 5V 0V 5.0V 0V 0V 5V 0V 0V 5V -15.0V 15.0V -15.0V 65.0V(0-12/13) 85.0V(0-1

33、0/11) 79.0V(0-12/13) 100.0V(0-10/11) -85.0V(0-10/11) -65.0V(0-12/13) IC52IC53 IC31 A (X09-5820-1x) (A/2) Q187 Q29 Q30 Q28 D19 Q42 Q25 Q26 Q401Q402 Q406Q407 Q151 D101 BASS BOOST REMOTE CONTROL LEVEL and FREQUENCY Q403 Q404Q405 Q418 Q412 Q414 Q408 Q60 Q189 Q606 Q604 Q60 Q417 Q416 D18 Q18Q19 Q9 Q11 Q13

34、Q14 Q8 Q10 Q38 Q37 Q12 Q20 D17D16 W502 W501 (1/2) IC32 (2/2) IC32 (2/2) IC51 J1 (1/2) IC11 IC11 (2/2) D103 D105D106 D104 ISO. AMP L R J2 D109 D107 D110 D108 CN1 D151 D303 D306 D304 D308 D305 D307 D15 D501 D23D25 IC12 (1/4) IC12 (2/4) (3/4) IC12 (4/4) IC12 D181 D183 D186 D182 D401 (1/4) IC13 IC13 (2/

35、4) D402 IC13 (3/4)IC13 (4/4) Q190Q188 Q411 Q409Q413 D403 D405 D406 D404 D407 SPEAKER INPUT LEVEL 2/2 X08-A/2- CN1 (0-10,0-12) COMPALATOR CURRENT DETEC. POWER AMP MUTE 15V AVR DC/DC CONVERTER -15V AVR Q61 A CN1 LINE IN LINE OUT LR TP31 TP83 TP30 TP80 TP29 TP79 TP28 TP27TP26 TP75 TP76 TP25TP24 TP40 TP

36、41 TP183 TP184 TP154 TP186 TP181 TP185 TP32 TP33 TP151 TP46 TP45 TP44 TP43 TP110 TP108 TP109 TP153TP152 TP306 TP304 TP302 TP305 TP155 TP301 TP303 TP112 TP38 TP39 TP111 TP509 TP508 TP507 TP505 TP506 TP510 TP511 9 6 2 1 4 3 5 13 14 11 12 10 GNDV+ 78 VREF REF IN 14 L3 4.7K R43 56 10 R40 R42 4.7K R44 1.

37、5K R38 1.5K R37 TP88 56 R41 10 R39 TP78 TP77 TP89 1 2 3 4 5 6 7 8 4 3 2 1 6800P C19 1/2W 10 R45 3900u16 C18 3900u16 C17 3900u16 C16 6 5 7 8 VCC VEE 3 4 2 1 42 8 3 1 5 6 7 6 5 7 0.01 C117 1K R101 10u50 C103 1000P C101 10K R103 1000P C102 10K R104 1K R102 10u50 C104 27K R106 15K R114 10K R119 33P C113

38、 10u50 C114 100 R124 75K R121 10K R117 5.6K R118 9.1 R210 10K R115 C111 100P R120 10K 2 3 1 6 4 85 7 33P C109 R123 100P 10K C112 C110 47P R116 33K TP101 TP105 TP102 TP104 TP106 TP107 27K R105 1K R113 75K R122 0.01 C116 0.01 C115 109 87 65 21 43 2.2K R108 2.2K R107 47K R110 10u50 C106 47K R112 10u50

39、C108 47K R111 10u50 C107 47K R109 10u50 C105 8 7 6 5 4 3 2 1 LED SIG 2 SIG 1 ISO GND 1 -15V ISO GND 2 +15V D GND TP58 TP59 TP56 TP55 TP54 TP53 TP52 TP51 9.1 R211 4.7K R151 1u50 C151 1K R155 470 R156 10K R152 220K R154 R153 0.1 C152 1K R157 47u25 C153 C154 47P 3900P C155 10K R159 10K R162 1000P C156

40、R158 680K 68K R160 24K R161 R301 10K 0.01 C301 0.01 C302 330P C303 0.01 C304 6.8K R303 10K R302 6.2K R304 6.2K R306 10K R307 W401 R33 220KR32 5.1K R31 220K R30 5.1K 510 R510 10K R511 C507 100P R512 39K 10u50 C508 22K R513 22K R514 16K R517 10K R518 0.1 C509 10K R516 0.01 C524 10u50 C510 10u50 C511 1

41、0u50 C506 2.2K R515 16K R519 10K R520 1K R5 0.01 C525 47u25 C35 10K R66 4.7K R65 820 R64 10 R53 R52 47u25 C32 10 R61 47u25 C36 15K R67 R57 10 R58 1/2W 22 R47 1000P C23 1000P C22 1/2W 22 R46 1000P C21 1000P C20 47u25 C31 1500u100 C26 1500u100 C25 150K R208 100K R209 1 2 3 14 7 4 5 613 12 11 9 10 8 1.

42、1K R182 R183 10K R184 10K 39P C183 C181 47u25 5 4 6 R423 1K 39P C182 10 9 8 10K R425 R424 1K R426 10K 1 2 311 12 13 TP182 56P C405 1K R181 56P C406 R403 470 R405 47 R406 270 1/2W 1K R418 10K R417 0.01 C401 1/2W 5.1K R420 47K R419 10 R407 10 R408 100 R413 100 R415 10 R199 10 R200 10 R409 330 R411 10

43、R410 1.2K R412 1/2W 750 R401 1/2W 750 R402 56K R422 47u25 C403 5.6K R421 47u35 C402 2W 0.05 2W R636 R404 470 47K R206 47K R207 10 R202 R201 10 10 R414 R416 10 47u25 C404 2W R630 0.05 2W R629 0.05 0.047 C610 R623 3.3K R626 510K R624 3.3K R627 0.1 C193 0.047 C611 R625 0.1 C194 3.9K R305 47K R48 47K R4

44、9 R637 0.05 +15V -15V-15 +15V -15V +5.3V +14.3V +14.4V 14 7 R646 10 9GND FAN 2 4 1 3 5 8 6 7 2 1 3 4 6 5 7 TP103 + + + + + + + + + + + + + + + + + + + + + + + + 8 KAC-9103D JIHGF 1 2 3 4 5 6 7 X09-5820-14 A/2 (2/2) 10K 10K 10K 10K 22K 22K 14.3V 0V 14V 0V 0V 14.2V 3.8V 3.3V 5.0V 0V 0V 0.2V 0V 4.4V 0V

45、 2.0V 2.0V 0V 0V 2.6V 5.3V 0V 2.6V 2.6V 2.6V 2.6V 2.6V 15.0V -15.0V 0V 0V 0V 0V 0V 1.0V 2.0V 13.0V 7.5V 15.0V 0V 1.9V 7.5V 0.7V 15.0V 1.5V 1.5V 1.5V 1.5V 15.0V -15.0V 2.6V 3.0V IC53 IC62 IC1 KAC-9103D (1/2) B Q501 Q36 Q611 Q43 Q603 Q5 Q1 Q2 Q3 Q609 Q610 Q608 Q601 Q605 Q606 Q604 Q607 Q602 Q41 IC51 (1

46、/2) (2/2) IC61 (1/2) IC61 D601 D602 (2/2) IC2 (1/2) IC2 J3 J5 303 D306 D304 D308 D305 D307 D14 D15 J4 D502 D907 D904D906 D908 D12 D11 D7 D6 D5 P1 D8 Q4 D9 D10 D604 D607 D605 D606 D4 SPEAKER OUTPUT REMOTE P2 D1 D2 D3 GND LINE SIGNAL LINE B LINE B LINE (X09-5820-1x) D8,605,607: 02DZ10F-Y UMZ6.8ND101:

47、02DZ5.1F-YD181,308,501: 02DZ16F-YD23,25: D18: 1SS133 D6,7,9-12,14-17,103-110,151, : 02DZ15F-YD5,407: 02DZ6.8F-YD4: RM4ZLF-J4NFD1-3: DTC124EUAQ603: 2SA1376AA(L,K) Q417,605,606: 2SD1863Q416,612: 2SB1427Q411,414: 2SC3902Q409,413: 2SC3415SQ408,412: Q403-407: 2SC3478AA(L,K) Q401,402,418,604,607 : STW34NB

48、20Q187-190: 2SA992-A(F,E)Q42: 2SC945AA(Q,P)Q41: DTA114EUAQ37,38,43: 2SA1859ANFQ28: 2SC4883ANFQ26: 2SC1845-A(F,E)Q25: Q12-14,18-20: 2SB1241Q3: 2SA1577Q10,11: 2SC4097Q8,9: 2SA1576AQ4,29,30,601,608 : 2SC4081 Q1,2,5,151,501,602,609-611 : NJM2172V-ZBTE2IC52,53: BA10393FIC31,62: SN74HC00DIC12,13: IC11,32,

49、61: BA10358FIC2: TL494IDRIC1: Q36DTC114EUA: 182,183,186,303-307,401-406, 502,601,602,604,606,904,906-908 X08-B/2- 2/2 J1 RENT C. PROTECTION DC/DC CONV. LATCH P-CON SW MUTE DRV. D19 : Q612 D608 A 02DZ12F-YD608: IC51RC4580IDR: TP74TP73 TP503 TP504 TP13 TP17 TP14 TP15 TP12 TP11 TP18 TP20 TP16 TP19 TH1 TP68 TP61 TP70 L4 TP608 TP609 TP64 TP613 TP610 TP36 TP37 TP63 TP22 TP21 TP10 TP1 TP5 TP8 TP9 TP7 TP6 TP4 TP3 TP2 TP515 TP611 TP612 TP602 TP601 TP514 TP605 TP606 TP607 TP604 TP603 TP511TP512 TP513 114 2 1 3 13 14 12 VREF 5 6 REF IN V+ 7 GND 9 10 8 3 4 1 28 6 7 5 1 3 2 4 8 6 5 7 8 VC