Kenwood-KAF3030R-int-sm 电路图 维修手册.pdf

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1、70% STEREO INTEGRATED AMPLIFIER KAF-1030/3030R/3030R-S SERVICE MANUAL 2000-3/B51-5611-00 (K/K) 1704 STEREO INTEGRATED AMPLIFERKAF-3030R PHONES ONOFF POWER STANDBY SPEAKERS A A+B BOFF LR BASSTREBLEBALANCE MINMAX VOLUME CONTROL SOURCE DIRECT DIRECT T R A I T TAPE TUNERPHONO MD / CD-R Adv. DA / CD AUX

2、Linear INPUT SELECTOR + SPEAKERS (A or B : 416 , A and B : 816 ) R A B L MD/CD-RTAPE RECPLAYRECTUNERAUX Adv. DA /CD SYSTEM CONTROL PLAYPHONO SIGNAL GND R L SERIAL NO. KAF-3030R STEREO INTEGRATED AMPLIFIER AC 230V 50Hz 150W KENWOOD CORPORATION MADE IN KOREA AC OUTLETS UNSWITCHED 100W MAX. SWITCHED TO

3、TAL 200W MAX. Illustration is KAF-3030R. * Refer to parts list on page 16. Panel * (A60-) Window (B11-1517-08) Screw terminal board (E70-0104-08) AC power cord bushing (J42-0083-05) KENWOOD badge (B43-0302-04) Metallic cabinet (A01-3781-08) Button (K29-7862-08) Knob (K29-7860-08) Knob * (K29-) Butto

4、n (K29-7864-08) Knob (K29-7858-08) Pin jack (E63-0186-08) Pin jack (E63-1165-08) AC power cord * (E30-) Phone jack (E11-0263-08) Phone jack (E11-0333-08) AC outlet * (E03-) Pin jack (E63-0189-08) Caution: No connection of ground line if disassemble the unit. Please connect the ground line on rear pa

5、nel, PCBs, Chassis and some others. RadioFans.CN 收音机爱 好者资料库 KAF-1030/3030R 2 CONTENTS / ACCESSORIES CONTENTS / ACCESSORIES . 2 CONTROLS .3 CIRCUIT DESCRIPTION.5 ADJUSTMENT.6 PC BOARD . 7 SCHEMATIC DIAGRAM . 11 EXPLODED VIEW .15 PARTS LIST.16 SPECIFICATIONS .19 Contents Remote (A70-1429-08) Battery c

6、over (A09-0170-08) control unit (1) (KAF-3030R only) Batteries (R6/SUM-3) (2) (KAF-3030R only) Accessories Operation to reset The microcomputer may fall into malfunction (impossibility to operate, erroneous display, etc.) when the power cord is un- plugged while power is ON or due to an external fac

7、tor. In this case, execute the following procedure to reset the microcom- puter and return it to normal condition. Set the POWER to OFF then, while holding down the SOURCE DIRECT key, set the POWER switch to ON. Please note that resetting the microcomputer clears the contents stored in it and return

8、s it to the condition when it left the factory. Cautions RadioFans.CN 收音机爱 好者资料库 KAF-1030/3030R 3 CONTROLS Main unit 1 STANDBY indicator (KAF-3030R only) 2 POWER switch 3 SPEAKERS A/B switches Turn to select the A and/or B speakers systems. 4 BASS knob To adjust low frequencies. 5 TREBLE knob To adj

9、ust high frequencies. 6 BALANCE knob Adjust the volume balance between left and right. 7 VOLUME CONTROL knob Adjust the volume. 8 MUTE key/indicator (KAF-1030 only) Mute the sound temporarily. 9 LOUDNESS key/indicator (KAF-1030 only) Use to emphasize deep bass sounds. 0 Remote Sensor (KAF-3030R only

10、) ! PHONES jack Used for headphone listening. SOURCE DIRECT key/indicator To listen to a source with high quality sound. # Adv. DA / CD DIRECT key/indicator (KAF-3030R only) To listen to a Advanced Digital Audio source with high quality sound. $ INPUT SELECTOR knob Turn to select the input sources.

11、% INPUT indicator An indicator lights for the source selected with the INPUT SELECTOR knob. STEREO INTEGRATED AMPLIFERKAF-3030R KAF-1030KAF-1030 SOURCE DIRECT LOUDNESSMUTE PHONES ONOFF POWER STANDBY SPEAKERS A A+B BOFF LR BASSTREBLEBALANCE MINMAX VOLUME CONTROL SOURCE DIRECT DIRECT T R A I T TAPE TU

12、NERPHONO MD / CD-R Adv. DA / CD AUX Linear ONOFF POWER INPUT SELECTOR ! 34567890 1 2 # KAF-1030 TAPE TUNERPHONO MD / CD-R CD AUX INPUT SELECTOR $% RadioFans.CN 收音机爱 好者资料库 KAF-1030/3030R 4 CONTROLS REMOTE CONTROL UNIT RC-A0301 476 473 81 8 fi fi % % 1 273 ADISC SKIP B AUXTUNER TAPE POWER MDPHONO MUTE

13、 VOLUME CONTROL TUNER P.CALL CD TAPE MD Adv. DA/CD SOURCE DIRECT Adv. DA/CD DIRECT The part of the illustration designates keys that can be used to operate KENWOOD components connected with the system control. The rest of the illustration designates keys that have the same functions as the keys on t

14、he main unit. Model: RC-A0301 Infrared ray system Remote control unit (KAF-3030R only) DISC SKIP key Only used for the Autochanger CD player. POWER key Use to switch the power ON/ STANDBY when the POWER switch is turned ON. TUNER operation keys MUTE key Mute the sound temporarily. VOLUME UP (%), DOW

15、N (fi ) keys Adjust the volume. SOURCE DIRECT key Switch SOURCE DIRECT ON/ OFF. Adv. DA / CD DIRECT key Press for one second or more to switch Adv. DA / CD DIRECT ON/OFF. TAPE operation keys These keys perform the same operations as the correspond- ing keys on the cassette deck. However, operations

16、requir- ing simultaneous pressing of two keys are not possible. CD player operation keys MD recorder operation keys INPUT SELECTOR keys Pin No.Pin NameI/ODescription ACTIVE HL 1VDD-Power supply(+5.0V). 2REMOCONIRemote control signal input. KAF-3030 only 3VDD-Power supply(+5.0V). 4,5NC-Unused. 6MAIN

17、MUTEOControl port of audio muting.OFFON 7MD REC MUTEOMD REC muting control. 8TAPE REC MUTEOTAPE REC muting control. 9POWER RELAYOControl port of standby relay. 10SP. RELAY AOA speaker relay control. 11SP. RELAY BOB speaker relay control. 12DVD RELAYODVD relay control port. 13-15NC-Unused. 16SP. A IN

18、IInput port of A speaker selector. 17SP. B INIInput port of B speaker selector. 18NC-Unused. 19STBOStrobe output to input selector. 20CLKOClock output to input selector. 21DATAOData output to input selector. 22SYSCON DATAI/OSystem serial data input/output.KAF-3030 only 23SYSCON BUSYI/OSystem serial

19、busy input/output.KAF-3030only 24KEY INIInput port of key signal. 25VOLUME DOWNOControl port of motor volume(down).ONOFF 26VOLUME UPOControl port of motor volume(up).ONOFF 27MD/CD-R LEDOControl port of MD/CD-R LED. 28TAPE LEDOControl port of TAPE LED. 29AUX LEDOControl port of AUX LED. 30RESETIReset

20、 signal input. 31EXTAL-10MHz oscillator. 32XTAL-10MHz oscillator. 33VSS-Ground. 34TUNER LEDOControl port of TUNER LED. 35CD/AD-DA CDOControl port of CD/AD-DA CD LED. 36PHONO LEDOControl port of PHONO LED. 37DVD DIRECT LEDOControl port of DVD DIRECT LED. 38SOURCE LEDOControl port of SOURCE LED.KAF-30

21、30 only 39LOUDNESS LEDOControl port of SOURCE LED.KAF-1030 only 40MUTE LEDOControl port of MUTE LED. KAF-1030 only 41STNDBY LEDOControl port of STANDBY LED.KAF-3030 only 42MAIN VOL. LEDOControl port of vol. LED. 43LOUDNESSOControl port of loudness. LED.KAF-1030 onlyOFFON 44-71NC-Unused. 72VDD-Power

22、supply(+5.0V). 73NC-Unused. 74,75ENCODER INIData input of encoder(input selector). 76,77ENCODER SP-Unused. 78POWER OFFIPower off signal input. OFFON 79PROTECTIONIDetection port of protection.OFFON 803030/1030 SEL-Unused. KAF-1030/3030R 5 CIRCUIT DESCRIPTIONS 1. Microprocessor Pin description KAF-103

23、0/3030R 6 ADJUSTMENT No.ITEM INPUT SETTINGS OUTPUT SETTINGS AMPLIFIER SETTINGS ALIGNMENT POINTS ALIGN FORFIG. Unless otherwise specified, the individual switches should be set as following : POWER : ON SPEAKER : B SELECTOR : CD 1IDLE CURRENT Connect a DC voltmeter as figure CN511 (Lch), CN510 (Rch).

24、 (MAIN PCB) VR203 (Lch) VR204 (Rch) (MAIN PCB) 40 mV(a)VOLUME : 0 2OFF SET Connect a DC voltmeter to speaker terminal (JACK106) as figure. VR201 (Lch) VR202 (Rch) (MAIN PCB) 0 mV(b)VOLUME : 0 DC voltmeter 40mV + CN511(Lch) CN510(Rch) (a) DC voltmeter (b) DC voltmeter JACK106 + + + () (+) L R SP.B 0m

25、V Lch Rch ACEGIBDFHJ 2 1 3 5 7 4 6 C105 R107 R103 C109 C175 R107 R105 C111 J140 C257 R109 C113 C115 R111 C117 R113 J194 R106 C108 R108 C174 C110 J117 R110 C112 C114 R112 C116 R114 R104 C106 R172 R173 C104 C102 J114 J115 J116 R101 R102 R127 C127 C126 C141 C258 C151 R178 C103 C119 41 85 C118 C249 C250

26、 J258 C191 C190 R116R115 C135 C136 J139 RY102L R151 R153 R179 R154 R181 J192 41 58 R149 C138 R150 C140 J119 C152 J120 J118 R171 C144 R147 R148 J148 R117 C137 C139 C251 C253 R186 C142 C252 R136 R137 R135 R130 R132 R133 R131 R126 R128 R129 J111 J110 R187 J107 J106 C129 C128 C131 C130 R180 R188 C236 R5

27、41 R542 R539 J257 J256 J282 J144 J145 J146 J143 J142 J264 R184 R185 C254 R165 J169 R170 R169 J168 C143 R212 J166 J165 R533 R534 R535 J171 J172 J173 R537 R528 R527 R530 R529 J170 J180 R540 R236 J276 R161 C184 VR204 J221 C194 J222 J218 R252 R248 J216 J215 J217 J288 J261 J219 R182 R292 R294 R293 R291 R

28、246 J383 J223 J224 R250 R249 R238 J386 J375 R251 J226 J227 J228 J229 J220 J231 J232 J233 J234 J238 J239 C210 J374 J284 C195 C192 C188 L102 C247 R263 R235 C185 R244 J237 R233 R245 R254 R237 J384 J251 J252 J253 C209 R247 VR203 J373 J249 J250 L101 R243 J372 J268 J269 R253J270 J271 J272 RY104 C223 C189

29、C193 C221 J287 C207 J274 C222 C220 RY103 C196 J245 J285 J286 J243 C227 J242 AC AC C179 R227 R262 R248 C181 C245 R232 R234 R220 J211 C204 J381 J212 R219 R231 C173 J213 R217 J279 J235 C183 C169 C167 C201 C202 R207 L104 J262 C246 C180 R208J277 C168 C166 C182 J260 R215 J214 C178 R256 R228 R257 C198 R255

30、 J190 C200 R259 R261 C199 R536 J259 J191 R218 R216 C172 J278 R265 R274 C219 R260 C260 VR202 C203 C186 C187 C256 C255 R239 VR201 C241 R221 R240 R202 C156 C233 R206 R290 C164 R214 R210 R258 R222 R204 R226 R223 R224 C148 C239 C171 C242 R273 R225 C240 C158 C159 R203 R201 J254 R559 L103 R279 C177 C230 C2

31、29 J380 R213 R209 C165 J236 R560 J376 J377 R282 C259 C226 C212 R281 J379 R205 C157 C228 J141 J241 R269 J273 C232 C231 C235 J184 R266 R271 C208 R270 R267 C197 R268 J122 J123 C224 C225 J275 R144 R146 R145 R143 R118 C149 C150 R142 C147 R167 R168 J182 J126 J125 J124 J121 J101 J102 J103 J104 J105 J113 C2

32、37 C122 C123 C124 C125 C132 R124 R125 R122 R119 R121 R120 R123 R138 R140 R141 C133 J108 J109 114 1528 C238 J134 J135 J131 J132 J133 J371 RY102 C176 J127 C145 J138 C211 J137 J136 R278 R272 J378 R276 R285 C218 J210 J209 J130 R156 J207 J128 R277 C217 R198 C155 R197 C205 J255 C214 R280 R283 R199 C154 J2

33、06 J205 R196 R200 R193 R195 C162 J129 J281 R230 R286 J382 R211 R289 J203 J202 C531 R523 R192 C161 C160 C507 R288 C244 J204 R194 R572 R229 R287 GND RELAY C170 C502 R574 R573 C163 R155 R563 R567 C215 J200 R544 R518 R553 J185 J189 J188 J179 J181 R561 J177 C530 C504 C529 J187 J199J265 R297 C508 R592 R55

34、6 J201 R519 J163 C216 J161 J160 J162 J159 J158 J164 J157 J156 J155 J154 J153 J152 J151 J150 J149 J147 J183 J370 J178 J246 RY102R R152 R516 R514 R512 R521 R532 R531 R522 R520 R510 R515 R517 J186 J175 J174 C509 6465 80 1 2425 40 41 X501 R593 J167 R538 R562 C563 R139 R134 J112 C146 14 BBEEEE BB EB BBEE

35、EEBB BE 12 E B 12 EB EB EB EB EB BE BE EB EB EB BE BE BE EB BE DS E B EB 13 BE E B BE G DGS 1 2 EB 2 123 22 31 15 14 BE SDG SGD EB SDG E B BE EB E B EB EB EB DSG EB EB BE EB BE EB EB E B E B E B E B E B E BBE E B BE 17 E B IC101 JACK105 Q103 IC103 Q107Q108 Q104 JACK102 JACK103 D117 Q105 Q109 Q110 Q1

36、06 Q160 Q161 D505 D506 D508 D507 D509D510 Q138 Q154 CN510 CP601 CN511 Q137 JACK106 MAIN 7020060230000 D105 JACK104 D106 BD101 CN101 Q131 Q125 D115 Q127 Q123 Q121 Q132 Q126 Q124 Q122 Q130 Q128 Q129 D113 D112 Q153 Q140 D116 Q141 D110 Q118 ZD103 Q258 Q120 Q162 Q142 D108 Q119D109 D107 Q116 Q163 Q147 Q14

37、8 Q152 Q117 Q115 D103D101 D104 D102 JACK101 Q139 Q143 IC102 Q159 Q113 Q146 ZD101 Q145 Q149 ZD102 CP104 CN102 Q512 Q114 Q150 Q112 Q157 D504 D501 CN301 Q111 Q144 Q151 D111 IC501 CP501 Q136 Q134 Q135Q133 LR SPEAKERS SYSTEM CONTROL AD-DA /CD AUXTUNERPLAYREC MD/CD-R RECPLAY TAPE PHONO Refer to the schema

38、tic diagram for the value of resistors and capacitors. PC BOARD(Component side view) 78 KLNPRTMOQS 2 1 3 5 7 4 6 C318 C308 C304 C330 C311 C302 C322 C324 C601 C591 21 1 5 1 5 1 4 E E B EB EB EBEB EB EBEB EB EB EB EB EB EB EB EB B C660 17 C660 C348 C347 C346 C343 C342 C349 58 41 C409 C410 C345 C313 C3

39、07 C303 C301 C315 C319 C314 C316 C320 C326 C312 C329 C325 C551 C569 C562 C561 C322 C605 C602 C503 13 R325 R545 R345 R377 R296 R295 R163 R164 R340 EB 111 111 1 11 R524 R552 R343 R328 R327 R329 R513 R509 R511 R547 R549 C323 C321 C331 C317 R310 R312 R330 R331 R319 R317 R309 R318 18 18 R320 R322R324 R30

40、6 R305 R302 R507 R508 R503 R378 R344 R378 R350 R551 R377 17 148 R502 R506 R570 R550 R548 R525 31 REMO501 MUTE LIVE LIVE LOUDNESS NEUTRAL NEUTRAL AUX MD CD TUNER TAPE PHONO SOURCE DIRECT POWER SW CD DIRECT MAIN TRANS POWER SW R505 R501 R504 R571 R301 R332 R326 R311 R314 R316 R308 R313 R307 R315 W502

41、W502 12 12 21 21 VR302 VR303 VR250 VR304 T501 F506 31 31 17 F505 F505 F503 F504 F506 F503 F501 F501 MAIN TRANS AC CORD W502 W503 W501 W501 W503 RY550 JACK105 J317 J318 J319 J335 J331 J311 J323 J324 J322 J316 J320 J326 J327 J328 J329 J334 J306 J305 J350 J308 J309 J379 J307 J552 J601 J310 J315 J301 J3

42、02 J303 J340 J333 J325 J330 J304 J312 J363 J358 J365 J357 J362 J359 J378 J313 115 214 151 142 231 222 J611 J610 J364 J314 J361 J332 VR250 SPEAKERS BASS TREBLE BALANCE INPUT SELECTOR REMOTE SENSOR D601 D604 D552 D554 D551 Q502 Q347 Q502 Q155 Q346 Q501 Q509 Q510 Q511 CP101 CP302 CP502 CP302 CP502 CP10

43、1 Q506 Q503 Q505Q504 Q507 Q550 Q156 Q513 Q508 CP301 CN502 CN501 CN503 CN601 CN104 CN104 CP503 SW506 SW501SW502SW503SW504 SW530 PHONES POWER AC OUTLET VOLUME CONTROL VOLUME CONTROL SW505 IC502 IC520 IC301 IC302 LED513 LED508 ZD340 ZD341 ZD343 LED507 LED506 LED505 LED504 LED509 LED501 LED502 LED503 LE

44、D510 LED511 D562 D602 D553 D550 D603 D560 D561 D563 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view) 910 ACEGIBDFHJ 2 1 3 5 7 4 6 (1/2) AUX Lch 1 Rch 2 Lch PHONO JACK105 Rch Lch Rch TUNER Rch Lch Q135 Q133 Rch Lch REC PLAY Rch Rch Lch Lch Rch Lc

45、h JACK102 JACK101 IC101 EQ.AMP Q115Q117 Q121Q123 Q129Q127 D115 D107D109 Q119 Q120 D108D110 Q113 Q114 D113D112 Q125 Q131 Q116Q118 Q122Q124 Q126 Q132 Q128 Q130 Q134 Q136 D116 SET OFF CN511 CN510 Q137 T.P IDLING D101 D102 D103 D104 ZD103 ZD101 ON/OFF SP.A Q143 D105 AVR -15V +15V AVR Q159 Q145 Q146 Q142

46、Q141 Q140 Q138 Q152 Q147 Q148 ZD102 Q150 Q149 Q144 D501 Q112 Q111 Q157 IC103(2/2) IC103(1/2) CN301 CP501 REC AMP Lch Rch Q151 D117 D111 D510 D509 D507 D508 D505 D506 Q160 +5.6V AVR +15V AVR Q512 D504 u-COM A B TAPE1 MD/CD-R REC PLAY JACK103 IC101 (2/2) IDLING (Lch) IDLING T.P IDLING (Rch) Q162 Q258

47、Q163 SET OFF MUTING MAIN SELECTOR INPUT RELAY DVD.SEL. MUTING TAPE REC Q105 Q106 Q104 Q103 Q107 Q108 Q109 Q110 Q161 MD REC MUTE IC102 IC501 KAF-3030R ONLY 3030R ONLY KAF- 15.3V 15.9V 30.1V 5.6V 6.9V 6.2V 4.8V 31.9V 16.5V 30.5V 15.9V 0.5V -32.0V -16.8V -5.6V -6.2V -16.3V 42.5V 1.2V -1.2V -42.5V -41.0

48、V 0.6V 1.2V -42.3V -41.5V -41.5V -41.0V 42.3V -1.2V 1.2V 1.2V 13.0V 39.8V 39.8V 13.0V 12.4V 0.4V0.4V 40.3V 0.3V -15.1V -16.3V -15.1V 0.6V 0.4V 0.3V 0.4V OFF:5.0V ON:0V MUTE 0V OTHER:3.7V AD-DA/CD:0V 15.3V 42.5V 0V 42.3V 42.1V 40.3V 39.8V 39.8V 41.7V 13.0V OFF:14.5V ON:0V OFF:0V ON:10.0V OFF:5.0V ON:0V MUTE 12.4V OFF:-4.9V MUTE ON:1.4V 0V OTHER:0V TAPE PLAY:4.5V OTHER:15.9V TAPE