Kenwood-KACX-650-D-Service-Manual 电路图 维修手册.pdf

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1、POWER AMPLIFIER KAC-PS650D SERVICE MANUAL 2002-3 PRINTED IN KOREA B51-7935-00 (K) 3547 KAC-X650D 30 30 MONO(Lch)STEREO OPERATIONA.CHB.CHFILTER A.CH HPF FILTER FREQUENCY(Hz) LPF OFF HPF HPFOFF B.M.S. +12dB OFF REMOTE INPUT SELECTOR GND EXT.AMP.CONT.LINE IN L R L R SPEAKER OUTPUT POWER IN P.CONBATT.GN

2、D FUSE(30Ax2) LEFT BRIDGED RIGHTSUB SUB A B ABSUB BABAASUB 20050 B.CH HPF 20050 B.CH LPF 20050 SUB.CH LPF 20050 RadioFans.CN 收音机爱 好者资料库 (X09-) IC22 : u-COM PORT No. PORT NAMEI/OFUNCTIONOPERATING CONDITION 1 +5V SW OControls small-amount current.L : SW 5V on. 2- - 3 FANOControls fan rotation. H : Fan

3、 on. 4- - 5 D VOLTAGE IDetects class-D over-voltage. L : Over-voltage detection. 6V DOWNI Detects momentary power down.H : Momentary power-down detection. 7 D CURRENT IDetects class-D over-current. L (Class-D power on) : Over-current detection. 8 AB VOLTAGE IDetects class-AB over-voltage. L : Over-v

4、oltage detection. 9 AB CURRENTIDetects class-AB over-current. H : Over-current detection. 10BLUEOControls BLUE of variable illumination. H : Illumination on. 11 GREENOControls GREEN of variable illumination. H : Illumination on. 12REDOControls RED of variable illumination. H : Illumination on. 13 TE

5、ST- - 14 RESET -Resets. L : Reset. 15 XIN- - 16XOUT- - 17 VSS- - 18VAREF-A/D reference. - 19 ADIN 1IDetects temperature. H : Unusual temperature detection. 20ADIN 2IDetects temperature. H : Unusual temperature detection. 21 ADIN 3IDetects temperature. H : Unusual temperature detection. 22ADIN 4IDete

6、cts temperature. H : Unusual temperature detection. 23 - - 24BASS 12dBIStabilizes BMS +12dB. H : BMS +12dB stabilization. 25 BASS REMOIBeing remote-controlled from BMS head unit. H : remote control available. 26BASS OFFIReleases boost. H : Boost off. 27 D POWEROControls class-D amplifier. H : Class-

7、D amplifier on. 28,29- - 30 POWEROControls power amplifier. H : SW 14.4V on. 31 COM HUIMeasures the head unit pulse. - 32 OFFSET CONOControls bass boost frequency offset. H : Offset on. 33 BASS CON AOControls bass boost frequency offset. - 34 BASS CON BOControls bass boost frequency offset. - 35,36

8、- - 37 STAND-BY ICancels stop mode by P.CON on. L : P.CON on or BACK-UP over-voltage detection. 38,39 - - 40 VDD-VDD. - 41 TACT SWISwitches color. H : SW on. 42 MUTE 2 OControls driver stages. L : Mute on. 43 MUTE 1 OControls amplifier input mute. L : Mute on. 44 - - KAC-PS650D/X650D 2 MICROCOMPUTER

9、S TERMINAL DESCRIPTION RadioFans.CN 收音机爱 好者资料库 KAC-PS650D/X650D 3 CIRCUIT DESCRIPTION 7 1K 1K3 6 14 68P R369 4.7K C359 C358 6 1 2 68P 5 4 3 5 4 2 1 R368 8 7 14 9 10 11 R360 12 13 5V 4.7K 4.7K R370 R371 UP-GATE DOWN-GATE C331R351R354 47P C354 2.2K 47u25 C353 100K R357 6800P C371 R376 62K R375 33K 1K

10、R355 0.1 + 10u161K 1K R356 + 6 5 1.5K R359 7 4.7K R358 1800P 3K 4.7K 3 4 10K R363 R3668 2 820 R365 1 0.01 10K R367 C357 1.5K R364 OUTPUT MUTE 680K C352 R353 9 10 7 4 5 6 11 12 C356 R362 3 4 3 4 3 4 5 5 0 0 DEAD TIME UPDOWNUP 5 D313 (2/4) IC13 D312 IC13 (1/4) IC12 (3/4) D311 IC12 (1/4) (2/4) IC12 D31

11、0 (4/4) IC12 IC10 (2/2) Q13 D5 IC10 D305 D309 D306 (1/2) (1/2) IC11 : Triangular wave form : Analogue signal : PWM wave form After PWM wave form is divided into up-gate and down-gate wave forms, this circuit makes off-timing so that up-gate and down-gate wave forms do not turn on at same time. This

12、circuit creates PWM wave form after comparing triangular wave form and analogue signal . Triangular Wave Former Circuit PWM Wave Former Dead Time Oscillation Circuit 2 1 receives mute signal from MUTE-2 terminal of u-COM, and bias voltage of is short-circuited, and driver transistors and final trans

13、istors on X08- get in condition of non-operation, and shock noise is prevented. Shock Noise Prevention Circuit 2 1 R179 510 10u16 + 33 R183 VR5 1.8K R129 10K R452 R456 10K 10K R517 R513 47 R514 47 6.8K R457 6.8K R458 10K R453 R454 10K 47u25 1K R516 + u-COM MUTE-2 10K R451 C464 R448 10K B 10K R455 +B

14、 220 C151 D153 D151 D435 Q429 Q426 Q427 Q428 D431 Q159 5 3 4 5 RadioFans.CN 收音机爱 好者资料库 KAC-PS650D/X650D 4 CIRCUIT DESCRIPTION C373 0.82 C372 0.82 + C369 33u50 + 70uH C368 33u50 L302 47K R497 C3620.10.1C363 C365 6800P C370 0.82 1.5K R503 10 1/2W R378 10 1/2W R388 R500 1.5K 680K 70uH L301 C364 6800P 1

15、.5K R502 R501 R499 1.5K R400 R397 R398 0.1 1/2W R380 820 R392 47 R399 R394 R395 0.1 1/2W R379 680 R391 47 0.01 C361 R361 1K 750 R377 1/2W R390 1.5K 150 R382 R384 47K 1K R389 120 510 1/2W 750510 1/2W DOWN- GATE UP- GATE 47K 0.22 1/2W R372 47K R374 R373 R383 0.22 6 Q308 Q314 Q442 Q440 Q439 Q441 Q311 Q

16、313 Q309 Q305 Q302 Q310 Q306 Q304 Q307 Q303 Q301 Q301-304 convert voltage of up-gate and down-gate to current. R379,380 convert the current to voltage, and Q308-311 drive MOS-FETs Q313,314. Swung PWM wave form is output to B on line 6 , and the swung PWM wave form is converted to analogue signal by

17、LC filter. Class-D Amplifier KAC-PS650D/X650D 5 ADJUSTMENT (KAC-PS650D/X650D) No.ITEM INPUT SETTINGS OUTPUT SETTINGS RECEIVER SETTINGS ALIGNMENT POINTS ALIGN FOR FIG. Connect a cassette receiver or other receiver. 1 IDEL CURRENT - Connect a DC voltmeter between emitter terminals of Q161,162,261,262

18、and J1 (SP.OUT, L+/R-). VOLUME : 0 VR5 (A-Lch) VR6 (A-Rch) VR7 (B-Lch) VR8 (B-Rch) (X09-) 2.5mV(a) KAC-PS650D/X650D 6 ADJUSTMENT DC Voltmeter (a)2.5mV DC Voltmeter (a)2.5mV DC Voltmeter (a)2.5mV DC Voltmeter (a)2.5mV L J1 AB Q161 2SC5101 Q262 2SC5101 Q162 2SC5101 Q261 2SC5101 R VR7 B-Lch VR6 A-Rch V

19、R8 B-Rch VR5 A-Lch 7 ACEBD 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD (Foil side view) C212 R224 R236 R228 W15 R151 R152 W68 R238 W17 R216 W69 R218 W16 R220 C220 R230 R232 R226 C222 W67 R234 R222 R210 W66 C112 R136 R110 R212 W65 W62 W13 VR2 R252

20、VR1 R251 R351 C210 R214 C206 2 1 12 11 2 1 12 11 C108 R112 R114 VR4 VR3 C106 C110 W61 220 119 220 119 220 119 220 119 616161 C204 R204 R206 C214 R208 R202 C202 C102 C104 R104 C208 W14 W64 R102 W63 R106 R122 R108 R124 C114 R130 R128 R132 C120 C122 R116 R120 R126 R134 W12 R138 R118 W11 W52 R125 R119 R

21、115 R117 C119 R129 W1 R137 W2 W51 R127 C121 R133 R131 R135 W3 R205 C203 R123 R107 R103 C103 W53 C201 R203 R113 C105 R109 C113 R121 R105 C111 R111 R101 C109 W55 C107 W54 C101 W4 R201 W56 C207 R211 R207 C213 C205 R209 R213 C209 R219 R225 C219 R229 R215 R217 W59 R227 C221 R223 R221 C211 W5 W57 R231 R23

22、3 W58 R235 W6 R237 W7 X08-4100-10 A/3 (J74-1375-12) PREAMPLIFIER UNIT CN7 Q218 Q214 CN12 D206 Q210 Q212 D202 Q216 D204 Q118 Q104 Q204 Q114 S1 CN8 D12 Q206 CN4 CN9 Q106 Q208 Q202 Q102 D11 Q108 Q116 Q112 D106 D104 CN11 X08 B/3 Q110 D102 CN1 Q115 Q109 Q111 D103 D105 Q113 D101 Q117 D1 Q107 Q105 Q101 Q10

23、3 Q201 Q207 Q203 Q205 CN3 D2 Q209 Q211 X08 C/3 Q215 D203 Q213 Q217 D205 CN2 D201 B B B E EB E E EB B B B B B B E EB E BE E BE E BE BE B E E E BE E B B B BE E E B E B B B B E EB E E B E E E E B B B B E BE E E EB B X08 B/3 Ref.NoQ102Q104Q106Q108Q110Q112Q114Q116Q118 Address4C4C3C3C2C2C2C3C3C Ref.NoQ202

24、Q204Q206Q208Q210Q212Q214Q216Q218 Address5C5C5C5C6C6C6C5C6C X08 C/3 Ref.NoQ101Q103Q105Q107Q109Q111Q113Q115Q117 Address5D5D5D5D6D6D6D5D6D Ref.NoQ201Q203Q205Q207Q209Q211Q213Q215Q217 Address4D4D3D3D2D2D2D3D3D FGIKMOHJLN 2 1 3 5 7 4 6 W53 W54 W56 W57 W58 W55 1 C370 L302 C415 C416 TH2 C373 W52 L301 L3 R10

25、1 R102 R100 L5 L4 R9 R8 R300 R301 R302 R201 R202 R200 L6 C200 C100 C300 W51 C224 C302 C310 C104 C103 C115 C110 C109 C116 C203 C326 C323 C216 C204 C215 VR2 VR1VR4 VR3 C417 C418 L2 C414 C413 C412 C411 C372 C362 C422 C421 R393 C331 R10 C363 R518 R15 R16 R389 R390 C446 C365 C364 R492 R388 R379 C130 C328

26、 C209 C210 C230 R380 R172 R402 R171 R169 R170 R271 R272 R270 R401 R269 R403 R404 C6 C7 C462 R445 C297 C298 C197 C198 C410C409 R185 R186 R425 R426 R410 R408 R409 R460 R427 R428 R407 R378 R285 R286 R405 R406 R7 R6 VR6 VR5 VR8 VR7 C459 C460 C461 C437 C440 C438 C305 C429 C428 C427 C432 C457 C445 C252 C2

27、51 C152 C151 C424 C405C406 C404 C425 R276 R176 R175 R273 R274 R275 R174 R173 C463 TH4 TH1 TH3 R377 R372 R373 R374 R376 C371 C17 C18 C447 C454 C353 C403 R395 R397 R398 R394 C369C368 C374 R387 C20 C19 R396 C464 R504 R509 R511 R515 C450 R508 C436 C366 W23 W29 W10 C420 C419 W15 W8 W26 W12 W2W17 W20 W21

28、W4 W6W5 W1W3W9W13 W14 W7 W25 W16 W18 W11 W22 W24 W19 W28 W27 W30 W31 W32 C408 C407 L1 C426 R227 R115 R116 R114 R112 R113 R111 R109 R110 R108 R103R104 R303 R304 R305 R309 R306 R307 R308 R330 R203 R211 R212 R213 R204 R209 R210 R238 R214 R215 R216 C201C301C202 C308C307 C214C213 R321 R323 R324 R325 R326

29、 R322 R335 R333 R337 R336 R329 R328 R327 R332 R331 R318 C102C101 C108 C107 C105 C106 R314 R313 R315 R317 R316 R312 R311 R342 R341 R340 R343 R219 R218 R220 R222R221 R217 C322 C321 C324 C221 C325 R231 R232 R234 R233 R228 R224 R223 R225 R226 C320 C212 C315 C211 C207 C208 C314 C218 C311 C217 C313 C312 R

30、205 C319 R206 R208 R207 C220 C219 C206 C316 C205 C317 R235 R119 R127 R128 R107 R106 R118R117 R126 R122 C112 R121 R120 C111 R124 R125 R123 C113 C114 R237 R239 C304 C223 C306 C303 R105 R242 R241 R236R240 R230 R130 C465 C375 C231 C232 R345 C128 C228 R248 R246 R148 R146 C133 C134 C234 C233 R344 R505 R50

31、6 C330 C329 R143 C125 R362 R361 R363 R368 R369 C131 R370 R367 R229 R346 R364 R365 R411 R385 R310 R279 R280 R281 R282 R283 R284 R478 R479 R480 R475 R476 R477 R484 R485 R486 R481 R482 R483 R466 R467 R468 R463 R464 R465 R472R473R474 R469R470R471 R487 R514 R512 R513 R491 R366 R488 R489 R490 R497 R498 C2

32、2 R429 R430 R424 R434 R435 R436 R431 R432 R433 R415 R416 R417 R412 R413 R414 R421 R422 R423 R418 R419 R420 R437 R453 R454 R455 R450 R451R452 R459 R462 R456 R457R458 R441 R442 R443 R438 R439 R440 R447 R449 R444 C21 R446 R151 R152 C441 C444 R351 R3 R4 R1 R2 C401 C402 C439 C434 C442 C443 C430 C423 C433

33、 C431 R252 R251 R180 R179 R181 R184 R183 R182 C132 R353 R358 R359 R360 R357 R354 R355 R356 R371 R382 R392 R399 R400 R375 R391 R383 R384 R503 C16 C15 R510 R493 R500 R501 R502 R499 C352 C458 C448 R5 C361 C359 C356 C354 C358 C357 R129 C225 R243 R496 R461 R495 R494 R517 R516 R519 R507 R520 C340 C140 C24

34、0 C120 R448 C466 C367 X1 17 814 814 17 148 71 4 1 5 8 1 78 14 1 78 14 16 1 11 4434 1222 23 33 9 81 1 3 45 17 814 17 814 1 17 814 45 8 4 1 5 8 1 8 16 9 EB EB EB EB EB EB EB BE EB EB EB EB EB EBEBEB EB EB EB EB EB EB EB EB EB EB EB EB EB EB B E B E B E B E B E B E B E B E B E B E B E B E E B 7 814 GDS

35、GDSSDGGDS SDGSDGSDGSDG 1101610 1 10161101 21 1 21 4 41 161616 E B BE EEB B B E E B BE EBBE BE E B E B BE BE EB EB EB E B B E EB B E B BE E B E G S DGSD AB/SUB AB/AST/MONORM/OFF/12dBHPF/OFF/LPFOFF/ON Ach-HPF SUB BMSBchSUB LPF FREQ. D100 P2 P1 Q402 Q410Q408Q409 Q313 S2 S1 S4S3 S5S6 J1 J4 Q406 Q314 Q40

36、7 Q404Q405Q403 Q401 J3 J5 Q309Q311 CN2 CN1 D10 D425 Q307 Q441 Q301 Q302 Q442 Q304 Q303 Q306 Q436 Q305 Q308Q310 D426D428 D429D427 WH3WH2WH1 D7 D411 D412 D401D432 D418 Q413 Q412 Q414 Q411 D6 Q417 Q418 Q415 D406 D405 D404 D403 Q160 Q159 Q260 Q259 CN12CN4 D413 D409 D407D408 D410 Q262 Q264 Q263Q163 Q162

37、Q161 Q261 Q164 CN5 CN11 CN3 CN6 CN9 CN10 Q444 D402 D414 IC11 AMP RMT SUBBchAch P3 WH4 X09-5450-10 A/2 (J74-1376-11) B LPF FREQ. B HPF FREQ. A HPF FREQ. D9 D8 D201 D202 D203 D204 D103 D104 D101 D102 D302 D301 IC3 IC2 IC1 IC5 IC6IC4 IC7 IC22 D3 D340 D240 IC12 IC13 D309 Q312 Q440 Q439 Q13 IC8 Q315 Q316

38、 IC9 D312 D313 D311 D305 D306 D310 D5 D415 D416 D417 D423 IC10 Q420 Q421 Q416 Q419 Q430 Q431 Q432 Q429 Q426Q427 Q428 Q433 Q446 Q434 Q435 Q425 Q1 Q424 Q422 Q423 Q2 Q4 Q3 D419 D1 D154 D151 D152 D153 D424 IC23 IC21 D303 D304 Q438 D435 D431 Q443 D434 D140 X09 B/2 AUDIO UNIT Refer to the schematic diagra

39、m for the value of resistors and capacitors. PC BOARD(Component side view) 89 AUDIO UNIT X09-5450-10 A/2(J74-1376-11) Ref.NoIC1IC2IC3IC4IC5IC6IC7IC8IC9IC10IC11IC12IC13IC21IC22IC23 Address3G3G3G5G4G5H5H4H5H3I3I3I2I5K5J5I Ref.NoQ1Q2Q3Q4Q13Q159Q160Q161Q162Q163Q164Q259Q260Q261Q262Q263Q264Q301Q302Q303Q30

40、4Q305Q306Q307Q308Q309 Address2I5H2I5I3I2I6H2I6G2H6H2G6J2G6J2H6I3I3I2L2I2L3J3J2K2K AUDIO UNIT X09-5450-10 A/2(J74-1376-11) Ref.NoQ310Q311Q312Q313Q314Q315Q316Q401Q402Q403Q404Q405Q406Q407Q408Q409Q410Q411Q412Q413Q414Q415Q416Q417Q418Q419 Address2K2K5J2J2K5H5J6K6K6M6M6M6N2L2M2M2M5K5K5K5K5J5J5J5J5J Ref.NoQ

41、420Q421Q422Q423Q424Q425Q426Q427Q428Q429Q430Q431Q432Q433Q434Q435Q436Q438Q439Q440Q441Q442Q443Q444Q446 Address5I4J4N3N5J2G4J4I4J4I5I5I5I4I5I4I3K5I2J2J2J2J6K5I4I 2 PRTVXQSUWY 1 3 5 7 4 6 AUDIO UNIT X09-5450-10 A/2 (J74-1376-11) X09 B/2 PC BOARD(Component side view) 1011 Refer to the schematic diagram fo

42、r the value of resistors and capacitors. ABDFHJCEGI 2 1 3 5 7 4 6 R126 56K VR1 VR4 R221 8.2K R114 10K C6 220u R355 1K R127 47K C200 1000P R305 10K R113 10K C111 0.1 C107 15P R308 10K C301 1000P C302 10u16 R354 1K R209 10K R223 9.1K C317 0.033 R146 10K R207 10K R306 10K R122 8.2K C208 R115 10K R112 1

43、0K R356 1K R357 680K R222 8.2K C113 0.22 C213 0.22 R365 820 R362 3K R225 R121 8.2K C357 0.01 C103 10u16 C303 C112 0.1 C204 10u16 R359 1.5K R102 1K C209 10u16 C211 0.1 R337 2.2K R100 1K R304 10K C201 560P R108 10K C371 6800P R216 10K R107 10K C128 47P C115 10u16V R364 1.5K R351 2.2K R210 10K C300 100

44、0P R366 4.7K C104 10u16 R301 2.2K R300 1K C207 C312 0.068 R215 10K C216 10u16 R200 1K C116 10u16 R303 10K R220 39K R218 47K R202 1K R302 2.2K VR3 R211 10K R128 47K C105 15P R208 10K C205 15P C314 0.022 C352 0.1 R214 10K R110 10K R213 10K 1.5K R310 47K C305 10u16 C130 VR2 R212 10K 10K 10K R309 10K R1

45、19 39K C114 0.22 R203 10K C100 1000P R363 10K C108 15P R375 62K C110 10u16 R204 10K C313 0.15 R367 10K R353 100K C203 10u16 C206 R120 39K C106 15P C109 10u16 C202 560P R109 10K R358 4.7K R148 10k R217 47K R219 39K R331 15K R201 1K C356 1800P R123 9.1K R124 9.1K R15 150 R16 150 C16 0.01 C17 47u25C18

46、47u25 R125 56K R226 R227 47K R6 10 1/2W C354 47P C331 10u16 C353 47u25 C233 15P C234 15P C133 15P 15P15P15P C232 15P C19 10u16C20 10u16 C120 330P R376 33K R143 100 C125 4700P C225 4700P 10K R105R106 1K R101 560P C101 560P C102 10K R103 10K R104 R111 10K C134 15P R116 10K 47K R117 47K R118 10K R205 1

47、0K R206 C231 15K R346 2.2K R333 3.3K R332 15K R335 12K R336 15K R344 0.068 C315 0.15 C316 7.5K R237 10K R239 2.2K R240 220K R241 10u16 C326 C324 47P 0.22 C320 0.22 C319 R341 51K C329 0.01 0.01 C330 120K R343 0.22 C322 0.22 C321 10K R313 43K R340 3.3K R234 2.2K R235 47K R236 0.022 C219 R307 10K C21 0

48、.01 C22 0.01 C218 0.15 C217 0.1 R311 10 0.1 C220 C325 47P R312 10KR314 10K R315 47K R342 18K 0.15 C221 R242 47K R246 C230 10u16 R248 10K C228 47P R243 100 R233 15K R238 12K 9.1K R224 0.1 C212 0.22 C214 10u16 C210 R232 15K R228 0.033 C223 10u16 C224 BGNDBOUT NC14 AOUT NC13 BIN- BIN+ V+ AGND 4 AIN- V-

49、 7 6 5 AIN+ NC1 NC2 1 3 2 11 8 9 10 12 13 14 5 6 7 8 2 3 1 4 13 12 14 4 3 2 1 11 9 10 8 5 6 7 5 6 7 4 2 3 11 1 5 6 7 8 9 10 12 13 14 3 11 2 4 1 5 6 7 2 3 1 11 5 6 7 12 13 4 14 9 10 8 12 13 14 10 9 812 13 4 11 1410 9 8 1 3 2 47K 1 2 3 4 6 5 6 2 5 4 3 1 6 3 4 5 2 1 VR4 R351 390 VR3 6 5 4 3 2 1 VR2 R252 390 R251 390 6 4 5 3 1 2 VR1 R152 390 R151 390 3 5 4 6 2 1 C15 0.01 + + C132C131 13 12 4 14 15P 9 10 810u16 + 15P 5 6 7 15P 11 2 3 1 + C140 1000P C340 1000P 1000P C240 + + 10u16 C215 10u16 R231 15K 56K 56K 15P 15P C304 18 E+(AL) -HB 45321 B+(AL) A+