Kenwood-KRFVR6070-avr-sm 维修电路原理图.pdf

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1、70% LOUDNESSSPEAKER EQ ACTIVE EQDSP STEREOINPUT MODEDIMMERSOUNDTONESETUPBANDAUTOMEMORYMULTI CONTROLLISTEN MODETUNERMD/TAPEVIDEO 3VIDEO 2VIDEO 1AUXCD/DVDDSPDTSCSIIDOLBY DIGITALSPEAKER EQACTIVE EQSTANDBY ON/STANDBY A SPEAKERS BPOWER PHONESDOWNMUTEAV AUXS VIDEOVIDEOL-AUDIO-RUPVOLUME CONTROL DVD/6CH-ON

2、OFFAUDIO-VIDEO SURROUND RECEIVER 2002-5 PRINTED IN KOREAB51-5791-00 (K/K) 3529Knob *(K29-)Knob(BUTTON) *(K27-)SUB WOOFERSURROUND BACK+-+-SPEAKERS(8-16)FRONT AFRONT BCENTERSURROUNDVOLTAGE SELECTOR-+PHONOCD/DVDMD/TAPEREC OUTVIDEO 1PLAY INPLAY INVIDEO 2VIDEO 3PLAY INDVD/6CH.INPUTFRONTSURROUNDCOAXIALSYS

3、TEM CONTROLOPTICALCD/DVDDIGITAL ININVIDEOS VIDEOINVIDEODVD/6CHVIDEO 2S VIDEOINDVDMONITOROUTVIDEOPRE OUTSUB WOOFERININREC OUTPLAY INPLAY INPLAY INPLAY INREC OUTCENTEROUTINVIDEOVIDEOAC OUTLETSAC120V 60Hz150W 1.25A MAX.SWITCHED TOTALGRAYWHITEGREENBLUEREDLRLRLRFM75GNDAMANTENNAGNDAC 110-120VAC 220-240VDE

4、-EMPHASISCHANNEL SPACE50us AM 9kHz FM50kHz75us AM 10kHz FM100kHzFront glass *(B10-)Illust. is VR-6050/KRF-V6060D.* Refer to parts list on page 35. KRF-V6060D/V6060D-S/V7060D/V7060D-S/V8060DSERVICE MANUALMetallic cabinet *(A01-)AC power cord *(E30-)KRF-V8060D-S/V8060D-G/X9060D/X9060D-S/X9060D-GVR-605

5、0/6060/6070Phone jack (E11-0271-05)Knob(VOLUME) *(K29-)Panel *(A60-)Pin jack (E63-1251-05)Knob *(K29-)Knob *(K29-)Tuner assy *(W02-)Optical receiving module (W02-2731-05)Pin jack (E63-1080-05)AC outlet *(E03-)Pin jack (E63-1246-05)Lock terminal board (E70-0161-05)Knob assy *(K29-)Knob assy *(K29-)Cy

6、lindrical receptacle (E56-0033-05)Cylindrical receptacle (E56-0042-05)Slide switch(S62-0034-05)Miniature phone jack (E11-0293-05)Cylindrical receptacle (E56-0040-05)Slide switch(S62-0001-05)Pin jack(E63-1253-05)Pin jack (E63-1246-05)Pin jack (E63-1248-05)Pin jack (E63-1247-05)Screw terminal board (E

7、70-0150-05)AC power cord bushing(J42-0349-05)RadioFans.CN 收音机爱 好者资料库MODELDestinationsParts numberModel nameBattery coverVR-6050KPA70-1555-05RC-R0727A09-1258-08KRF-V6060DYA70-1555-05RC-R0727A09-1258-08KRF-V6060DEA70-1554-05RC-R0726A09-1258-08KRF-V6060D-STEA70-1554-05RC-R0726A09-1258-08KRF-V6060D-SMIX

8、HA70-1555-05RC-R0727A09-1258-08KRF-V7060DEA70-1554-05RC-R0726A09-1258-08KRF-V7060D-SEA70-1554-05RC-R0726A09-1258-08VR-6060KPA70-1552-05RC-R0816A09-1258-08KRF-V8060DEA70-1554-05RC-R0726A09-1258-08KRF-V8060D-SEA70-1554-05RC-R0726A09-1258-08KRF-V8060D-SXA70-1553-05RC-R0725A09-1258-08KRF-V8060D-GMA70-15

9、53-05RC-R0725A09-1258-08VR-6070KPA70-1549-05RC-R0813A09-1258-08KRF-X9060DEA70-1551-05RC-R0815A09-1258-08KRF-X9060DYA70-1550-05RC-R0814A09-1258-08KRF-X9060D-SETA70-1551-05RC-R0815A09-1258-08KRF-X9060D-SXA70-1550-05RC-R0814A09-1258-08KRF-X9060D-GMHA70-1550-05RC-R0814A09-1258-08Remote controllerResetti

10、ng the MicrocomputerThe microcomputer may malfunction (unit cannot be operated, orshows an erroneous display) if the power cord is unplugged whilethe power is ON, or due to some other external factor. If thishappens, execute the following procedure to reset the microcom-puter and return the unit to

11、its normal operating condition.Please note that resetting the microcomputer will clear the contentsof the memory and returns the unit to the state it was in when it leftthe factory.For the U.S.A. and CanadaUnplug the power cord from the wall outlet, then plug itback in while holding down the POWER O

12、N/STANDBY key.For other countriesWith the power cord plugged in, turn the POWER ON/OFF key OFF. Then, while holding down the ON/STANDBY key, press POWER ON/OFF.AC Plug Adaptor (1)Use to adapt the plug on thepower cord to the shape of thewall outlet.(Accessory only for regions whereuse is necessary.)

13、 FM indoor antenna (1)(T90-0877-05)AM loop antenna (1)(T90-0852-05)RF remote antenna (1)(For VR-6060/6070 only)(T90-0899-05)Remote control unit (1)Refer to the table on this page below.Batteries (R6/AA) (2)(E03-0383-05)(E03-0382-05)KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/60702CONTENTS / ACCESSO

14、RIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS. 2EXTERNAL VIEW.3WIRING DIAGRAM.4PC BOARD . 5SCHEMATIC DIAGRAM . 13EXPLODED VIEW .33PARTS LIST.35SPECIFICATIONS .46ContentsAccessoriesModel name vs Remote controllerCautionsRadioFans.CN 收音机爱 好者资料库KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/60703EXTER

15、NAL VIEW LOUDNESSSPEAKER EQ ACTIVE EQDSP STEREOINPUT MODEDIMMERSOUNDTONESETUPBANDAUTOMEMORYMULTI CONTROLLISTEN MODETUNERMD/TAPEVIDEO 3VIDEO 2VIDEO 1PHONOCD/DVDDSPDTSCSIIDOLBY DIGITALSPEAKER EQACTIVE EQSTANDBY ON/STANDBY A SPEAKERS BPOWER PHONESDOWNMUTEAV AUXS VIDEOVIDEOL-AUDIO-RUPVOLUME CONTROL DVD/

16、6CH-ON OFF+-SPEAKERS(8-16)COMPONENT VIDEOMONITOR OUTRF REMOTE ANTENNAIR REPEATER OUTIR RECEIVERINPRE OUTSPEAKERS(8-16)FRONT AFRONT BCENTERSURROUND BACK/SUBWOOFERVIDEO3INDVDINSURROUND -+PHONOCD/DVDMD/TAPEREC OUTVIDEO 1PLAY INPLAY INVIDEO 2VIDEO 3PLAY INDVD/6CH.INPUTFRONTSURROUNDCOAXIALSYSTEM CONTROLO

17、PTICALOPTICALOPTICALCD/DVDVIDEO 3MONITORDIGITAL INDIGITAL OUTINVIDEOS VIDEOINVIDEODVD/6CHVIDEO 2INDVDMONITOROUTSUB WOOFERININREC OUTPLAY INPLAY INPLAY INPLAY INREC OUTCENTEROUTINVIDEOVIDEOGRAYBLUEWHITEGREENPURPLEREDLRLLYCBCRYCBCRRRLRFM75AMANTENNAGNDGNDAC OUTLETSAC120V 60Hz150W 1.25A MAX.SWITCHED TOT

18、ALKnob(BUTTON) *(K27-)Front glass *(B10-)Phone jack (E11-0271-05)Panel *(A60-)Pin jack (E63-1251-05)Knob *(K29-)Knob assy *(K29-)Knob assy *(K29-)Knob *(K29-)Metallic cabinet *(A01-)AC power cord *(E30-)Optical receiving module (W02-2731-05)AC outlet (E03-0148-05)Miniature phone jack (E11-0293-05)Pi

19、n jack (E63-1246-05)Pin jack (E63-1247-05)AC power cord bushing(J42-0349-05)Cylindrical receptacle (E56-0040-05)Tuner assy *(W02-)Pin jack (E63-1080-05)Cylindrical receptacle (E56-0033-05)Oscillating module (W02-2732-05)Pin jack (E63-1249-05)Miniature phone jack (E11-0291-05)Miniature phone jack (E1

20、1-0904-05)Pin jack (E63-1252-05)Pin jack (E63-1246-05)Pin jack (E63-1248-05)Pin jack (E63-1250-05)Miniature phone jack (E11-0389-05)Lock terminal board (E70-0160-05)Screw terminal board (E70-0150-05)Pin jack (E63-1253-05)Illust. is VR-6070/KRF-X9060D.Illust. is VR-6070.* Refer to parts list on page

21、35. KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/60704CIRCUIT DESCRIPTIONInputTunerR (k)Volt (V)Voltage(V)Destination0K/POpen01.62.0E/T271.792.12.5-2.63.0Y/M/I(M2)122.783.13.5-3.64.0Y/M/V/X(E1)4.73.814.14.5-ModelModelModel TypeType1Type0(94Pin)(93Pin)VR-6070/KRF-X9060D00VR-6060/KRF-V8060D10VR-6050/K

22、RF-V6060D/KRF-V7060D011. Model Type & TUNER Destination1-1 Model TypePin Number of Microprocessor1-2 TUNER DestinationSet TypeTypeBandReceiving Frequency RangeChannelIFPLLSpaceK/PK1FM87.50MHz108.0MHz100kHz+10.7MHz25kHzAM530kHz1700kHz10kHz+450kHz10kHzY/M/IK2FM87.50MHz108.0MHz100kHz+10.7MHz25kHzAM530k

23、Hz1607kHz10kHz+450kHz10kHzY/M/V/XE1FM87.50MHz108.0MHz50kHz+10.7MHz25kHzHAM531kHz1602kHz9kHz+450kHz9kHzE/TE3FM87.50MHz108.0MHz50kHz+10.7MHz25kHzRDSAM531kHz1602kHz9kHz+450kHz9kHzFor M type, K2/E1 are decided by CH SPACECH SPACE = 1 K2 TYPECH SPACE = 0 E1 TYPEP.chK1K2E1/E3P.chK1K2E1/E31FM 98.3MFM 98.3M

24、FM 98.3M21AM 530KAM 530KAM 531K2FM 108.0MFM 108.0MFM 108.0M22FM 87.5MFM 87.5MFM 87.5M3FM 89.1MFM 89.1MFM 89.1M23FM 87.5MFM 87.5MFM 87.5M4FM 87.5MFM 87.5MFM 87.5M24FM 87.5MFM 87.5MFM 87.5M5FM 90.0MFM 90.0MFM 90.0M25FM 87.5MFM 87.5MFM 87.5M6FM 87.5MFM 87.5MFM 87.5M26FM 87.5MFM 87.5MFM 87.5M7FM 87.5MFM

25、 87.5MFM 87.5M27FM 87.5MFM 87.5MFM 87.5M8AM 1610KFM 87.5MAM 1503K28FM 87.5MFM 87.5MFM 87.5M9AM 1700KAM 1610KAM 1584K29FM 87.5MFM 87.5MFM 87.5M10AM 1050KAM 1050KAM 999K30FM 106.0MFM 106.0MFM 106.0M11AM 630KAM 630KAM 621K31FM 87.5MFM 87.5MFM 87.5M12AM 1440KAM 1440KAM 1350K32FM 87.5MFM 87.5MFM 87.5M13F

26、M 106.0MFM 106.0MFM 106.0M33FM 87.5MFM 87.5MFM 87.5M14AM 530KAM 530KAM 531K34FM 87.5MFM 87.5MFM 87.5M15FM 87.5MFM 87.5MFM 87.5M35FM 87.5MFM 87.5MFM 87.5M16FM 98.0MFM 98.0MFM 98.0M36FM 87.5MFM 87.5MFM 87.5M17FM 98.5MFM 98.5MFM 98.5M37FM 87.5MFM 87.5MFM 87.5M18FM 87.5MFM 87.5MFM 87.5M38FM 87.5MFM 87.5

27、MFM 87.5M19AM 990KAM 990KAM 945K39FM 108.0MFM 108.0MFM 108.0M20FM 97.4MFM 97.4MFM 97.4M40AM 1000KAM 1000KAM 945K2. Tuner Preset Memory * X25-649 VR-6060/6070R/No. VR-6060 VR-6070 onlyIC202 NO YESConfiguration Sel.J201 NO YESX08, IC12(NJU7311AM)* X25-649Sub Circuit UnitJ202 YES YES IC202J201 CLK/DATA

28、/STX14, A791 IR/RFIR IN IR SwitchJ202X14, ED78 Remocon IR OUT Det 1/2 FLX14, IC65 S-Video & CTRL13 HNA-16MM36T Video Sel.FL Driver Rem 1 Rem 0IR SWDIN/CL/CEX14, IC78(LC75711NED) X25, IC10 Composite CTRL2LED (X14) Sel. TUNER/CS11/F. AUXMelody 32 DSP IC STANDBY LED(D734)X08, IC50LED DriverDSP INTREQ/D

29、SP RESETX14, IC74(BU2090) DSP SCKO/DSP MISOO DATA/CLK D741D752DSP MOSIORelay Cont.96kHz 24Bit CODEC & DACPower RLY/SP. A,B RLYX08, IC4(AK4529-VO)Center RLYCODEC CDIN/CODEC PDNSurr. RLY/Tap RLYCODEC CCLK/CODEC CSEncoder(X14)CODEC OVR Microcomputer Multi Cont.(S762)Audio Serial data (IN/OUT) Listen Mo

30、de(S761)96kHz 24Bit DIR MN101C49XXX Volume Cont.(S763)X08, IC2(AK4112BVF)X14DIR CDIN/DIR CDOUT AD Key (14)DIR CCLKDIR PDN/DIR ERFPROTECTIONMute Cont. Protection (1,2)SB MUTE/SURR MUTEA.MUTE/T MUTE/6dB ATTSB/SW Switch IC20dB ATT/V MUTE/CV MUTEX09, IC5X09, IC4SV MUTE SB/SW SB/SWSystem Control Sel. PRE

31、 AMPX08, J800 S DATA/S BUSYX701 Input Sel. & E. VolumeOSCAccording to Models or DestinationX09, IC12(M61516FP)8.38MHz VOL.DT/VOL.CLKAM/FM IF MPX IC(TUNER ASSY) VOL ST TUNER DEST CLK /DATAIC1(LA1837MModel Type (1, 0)RDS Demodulator DO/DI/CK/CE SD/ STEREO Channel SpaceDestinationX14, IC81(BU1923) S.LE

32、VELX08, S800E/T Type onlyPLL(TUNER ASSY)M Type onlyIC2(LC72131M)X05-518XRF-RCKRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/60705CIRCUIT DESCRIPTIONKeyDisplayFunctionSPEAKER EQ.RF ONSet up RF ON.RF OFFSet up RF OFF.KeyFunctionMUTETUNER mute on/off3. Test Mode3-1 Entering the Test Mode While holding do

33、wn the BAND key, plugged in thepower cord to AC power wall outlet.3-2 Cancelling the Test Mode Initialized and cancel the test mode if plugged out thepower code.3-3-2 RF ON/RF OFF (VR-6060/6070 only)4. Microcomputer : MN101C49XXX (X14, IC90)4-1 Microcomputer Periphery block diagram The key is functi

34、oning when selector is set to TUNER.3-3 Contents of the Test Mode3-3-1 TUNER mute on/offKRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/60706CIRCUIT DESCRIPTIONPin No.Pin NameI/OPin Description1VREF-Connected to ground.2T DESTIDiscrimination pin for tuner destination.3DET1IDetection pin of output level

35、 for FL/FR.4DET2IDetection pin of output level for SL/SR and Center.5S LEVELIInput pin of FM S meter level.69AD KEY GET(14)IA/D key (14) input.10VREF+-A/D reference voltage.11VDD-Power supply (+5V) for microcomputer.12OSC2OMain clock output (8.388MHz).13OSC1IMain clock input (8.388MHz).14VSS-Connect

36、ed to be ground.15XI-Connected to be ground.16XO-Unused.17MMOD-Memory mode switch input pin (unused).18FL DINOTransfer data output to FL driver.19FL CSOChip enable output to FL driver.20FL CLKOSynchronism clock output to FL driver.21FL RESETOSystem reset signal output to FL driver.22IR SWOSwitching

37、pin for IR/RF.23RF CSOChip select output to PLL of RF-RC demodulator.24RF DATAOData output to PLL of RF-RC demodulator.25RF CLKOClock output to PLL of RF-RC demodulator.26REM IIRemote control signal input 1(Front panel).27REM 0IRemote control signal input 1(Rear panel).28DIR ERFIDetection pin for DI

38、R ERROR signal.29DSP INTREQIDetection pin for DSP INTREQ.30CE2/RDS CLKIClock input of RDS demodulator IC.31CE1IDetection pin for DSP INTREQ.32N.C.-Unused.33RESETIReset signal input for microcomputer.34S BUSYI/OSerial busy signal input/output.35S DATAI/OSerial data signal input/output.36DSP RESETORes

39、et signal output to DSP.37CODEC OVRIAnalog overflow detection pin.38CODEC PDNOPower down mode pin for CDDEC.39DIR PDNOPower down mode pin for DIR.40AK CSOChip select output to DIR (X08, IC2).41N.C.-Unused.42AK CDTIOControl data output to DIR (X08, IC2).43DIR CDTOIControl data input from DAC (X08, IC

40、4).44AK CLKOClock output to DIR (X08, IC2).45DSP MOSIOOData output pin to DSP (X08, IC50).46DSP MISOOIData input pin from DSP (X08, IC50).47DSP SCKOOClock output pin to DSP (X08, IC50).48SEL. STOStrobe 1output to selector IC (X08, IC12).49SEL. CLKOClock output to selector IC (X08, IC12).50SEL. DATAO

41、Data output to selector IC (X08, IC12).5153V. CTL 13OVideo switch control.54SV. MUTEOMute control to S-video & video selector (X14, IC65).55CV. MUTEOMute control to video selector IC (X25, IC102).56STEREOIStereo signal input from IC1(TUNER ASSY).57SDISynchronized signal detection input.58T MUTEOMute

42、 signal output for TUNER.59PLL DOIData input from PLL IC (TUNER ASSY).4-2Pin Description for Microcomputer : MN101C49XXX (X14, IC90)KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/60707CIRCUIT DESCRIPTIONInputAD Key Get 1AD Key Get 2AD Key Get 3AD Key Get 4R (k)Volt (V)Voltage (V)(Pin 6)(Pin 7)(Pin 8)(

43、Pin9)0.0 to 1.0Key Off1.1 to 1.5DVD/6CHLOUDNESSSOUND-431.29or THX1.6 to 2.0CD/DVDSP EQTONESTANDBY271.792.1 to 2.5PHONOACTIVE EQSET UP-182.272.6 to 3.0TUNERDSPBANDSPA122.783.1 to 3.5VIDEO 1STEREOAUTOSPB7.53.333.6 to 4.0VIDEO 2INPUT MODEMEMORY-4.73.814.1 to 4.5VIDEO 3DIMMERUPMUTE2.44.314.6 to 5.0MD/TA

44、PE-DOWNAV AUX0.624.80Pin No.Pin NameI/OPin Description60PLL CLKOClock output to PLL IC (TUNER ASSY).61PLL DINOData output to PLL IC (TUNER ASSY).62PLL CEOChip enable output to PLL IC (TUNER ASSY).63SURR.MUTEIMute control for surround.64SB PREMUTEOMute control for SB.65SP. A RLYORelay control for A s

45、peaker.66C RLYORelay control for center speaker.67SURR.RLYORelay control for surround speaker.68SP. B RLYORelay control for B speaker.69SB SW SELECTOSelection port for SB and SW.70VOL SEL. STOStrobe output to E. volume IC (X09, IC2).71VOL. SEL DATAOData output to E. volume IC (X09, IC2).72VOL. SEL C

46、LKOClock output to E. volume IC (X09, IC2).73TAP RLYOSwitching port for transformer tap.74LIMITEROPower control for A class.75DSP CSICS input port from DSP.76CH SPACE/RDS DINIData input of RDS demodulator IC.77A. MUTEOAudio mute control.78PROT2IProtection signal detection pin for over voltage.79PROT

47、1IDetection pin of protection for shorted supply voltage.80P0WER RLYOControl port of power relay.81LED DATAOData output to led driver (X14, IC74).82LED CLKOClock output to led driver (X14, IC74).83F AUX LEDOLED (F.AUX) control port.84TUNER LEDOLED (TUNER) control port.85STANDBY LEDOLED (STANDBY) con

48、trol port.86CS LEDOLED (CS) control port.87MULTI ENC AIEncoder (Multi control) upward detection.88MULTI ENC BIEncoder (Multi control) downward detection.89LISTEN ENC AIEncoder (LISTEN MODE) upward detection.90LISTEN ENC BIEncoder (LISTEN MODE) downward detection.91VOL. ENC AIEncoder (Vol. Cont.) clo

49、ckwise detection.92VOL. ENC BIEncoder (Vol. Cont.) counterclockwise detection.93MODEL TYPE 0IDiscrimination port for model type.94MODEL TYPE 1IDiscrimination port for model type.95DAVSS-Connected to be ground.96,97N.C.-Unused.9820dB ATT.O20dB attenuator control.996dB ATT.O6dB attenuator control.100D

50、AVDD-+5V power supply.5. Key MatrixKRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/60708CIRCUIT DESCRIPTIONPin No.Pin NameI/OPin Description1OSCB-Colpitts oscillation circuit.2OSCE-Colpitts oscillation circuit. (Unused)3MVCC-Supply power for mixer section.4MOUTOMixer output port.5DECPL1-Bypass capacito