Kenwood-KRFVR306-avr-sm 维修电路原理图.pdf
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1、AUDIO VIDEO SURROUND RECEIVERKRF-V5020/V5020E/V5020W/V5020(S)KRF-V6020/V6020E/V6020W/KRF-V7020/V7020E/V7020W/VR-305/306/355SERVICE MANUAL 1998-12/B51-5497-00 (K/K) 3444ASPEAKERSBBASS BOOSTVIDEO 2/MONITORSOURCEDIRECTLISTEN MODESOUNDSETUPMULTI CONTROLINPUT SELECTORVOLUME CONTROLDOWNUPSTANDBYAV SURROUN
2、D RECEIVERON / STANDBYPHONES- ON ? OFFPOWERPTYTA/NEWSDISPLAYBANDAUTOMEMORYREC OUTPHONOCDMD / TAPEVIDEO 2/MONITORPLAY INREC OUTPLAY INLRVIDEO 1VIDEO 2FRONTDVD 6CH. INPUTSURROUNDCENTERSUBWOOFERPLAY INVIDEO 1 VIDEO 2 VIDEO OUTVIDEO INMONITORAMANTENNAFM75 WGNDCENTERSPEAKER FRONT SPEAKERSCLR+-SUBWOOFERSU
3、RROUNDPRE OUTCENTERLRSURROUND SPEAKERSFRONT SPEAKERSAC OUTLETLR+-+-LRB()SYSTEM CONTROLSL16(XS8)Front glass (B10-3425-02)AC power cord*(E30-)Phono jack*(E63-)Phono jack*(E63-)Phono jack(3Px2)*(E63-)Phono jack*(E63-)Phono jack(4Px2)*(E63-)Power cord bushing(J42-0083-05)AC outlet*(E03-)Phone jack*(E11-
4、)Knob* (K27-)Knob*(K29-)Knob* (K29-)Foot*(J02-)Phono jack(E63-0114-05)Lock terminal board*(E70-)Lock terminal board*(E70-)Lock terminal board*(E70-)Metallic cabinet*(A01-)KENWOOD badge (B43-0302-04)Miniature phone jack* (2P)(E11-)Slide switch(S62-0034-04)Knob*(K29-)Knob*(K29-)Knob*(K29-)Illustration
5、 is KRF-V5020.* Refer to parts list on page 23.On the Block diagram, backup data, Initial state and system microprocessor, refer to the KRF-V5010 service manual (B51-5425-00)RadioFans.CN 收音机爱 好者资料库Remote ControllerModelDestinationsParts numberModel nameBattery CoverKRF-V5020I5, M5, X5, Y5A70-1264-05
6、RC-R0711A09-1123-08KRF-V5020E1A70-1265-05RC-R0710A09-1123-08KRF-V5020T5A70-1265-05RC-R0710A09-1123-08KRF-V5020(S)E2A70-1265-05RC-R0710A09-1123-08KRF-V5020EE3A70-1265-05RC-R0710A09-1123-08KRF-V5020WQ5A70-1265-05RC-R0710A09-1123-08KRF-V6020C6, I6, M6, X6A70-1264-05RC-R0711A09-1123-08KRF-V6020E4A70-127
7、5-05RC-R0508A09-0366-08KRF-V6020EE5A70-1265-05RC-R0710A09-1123-08KRF-V6020WQ6A70-1265-05RC-R0710A09-1123-08KRF-V7020E7, T7A70-1275-05RC-R0508A09-0366-08KRF-V7020EE8A70-1275-05RC-R0508A09-0366-08KRF-V7020WQ7A70-1275-05RC-R0508A09-0366-08VR-305K2, P2A70-1264-05RC-R0711A09-1123-08VR-306K1, P1A70-1264-0
8、5RC-R0711A09-1123-08VR-355K3, P3A70-1271-05RC-R0608A09-0366-08FM (T90-0836-05)indoor antenna AC plug adaptor (1)(E03-0115-05)(1)Loop antenna stand (1)AM loop antenna (1) (T90-0833-05)(J19-3645-05)Batteries (R03/AAA) (4)Remote control unit (1)RC-R0508/R0608Remote control unit (1)RC-R0710/R0711Batteri
9、es (R06/AA) (2)AUDIOSHIFTMACROTVVIDEOGUIDERECMUTEVOLUMETUNING/SKIPTHEMEFAVMENUFUNCTIONSHIFTSETUPINFOALT AUDTV/SAT/VIDREPEATRANDOM+100DISPLAYENT+10LISTENMODESOUNDSUBWOOFER2315648970REMOTE CONTROL UNIT8746BANDP. CALLP. CALLPOWER*Use to adapt the plug on the powercord to the shape of the wall outlet.(A
10、ccessory only for regions where useis necessary.)KRF-V5020/V6020/V7020/VR-305/306/3552CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES .2DISASSEMBLY FOR REPAIR.3ADJUSTMENT. 4WIRING DIAGRAM.5PC BOARD .6SCHEMATIC DIAGRAM .9EXPLODED VIEW .22PARTS LIST.23SPECIFICATIONS .35ContentsAccessoriesResetting the Mi
11、crocomputerIf the microcomputer may malfunction (unit cannot be operated,or shows an erroneous display) if the power cord is unpluggedwhile the power is ON, or due to some other external factor. If thishappens, execute the following procedure to reset the micro-computer and return the unit to its no
12、rmal operating condition.Unplug the power cord from the wall outlet, then plug itback in while holding down the POWER key. Please note that resetting the microcomputer will clear the contentsof the memory and returns the unit to the state it was in when it left thefactory.With the power cord plugged
13、 in, turn the POWER keyOFF. Then, while holding down the ON/STANDBY key,press POWER.For U.S.A. and CanadaFor other countriesModel name vs remote controllerRadioFans.CN 收音机爱 好者资料库KRF-V5020/V6020/V7020/VR-305/306/3553DISASSEMBLY FOR REPAIR1224443x2x2x2x21. Remove the 8 screws (1,2,3),remove the rear p
14、anel.2. Connect the GND of the rear paneland the chassis, the GND of themounting hardware and the chassiswith 2 alligators clip (4)KRF-V5020/V6020/V7020/VR-305/306/3554ADJUSTMENTNo.ITEMINPUT SETTINGSOUTPUTSETTINGSRECEIVERSETTINGSALIGNMENTPOINTSALIGN FORFIG.1DISTORTION(STEREO)(C)98.0MHz 1kHz, 68.25kH
15、z dev. Selector: L or R Pilot : 6.75kHzdev. 70dBf (ANT. input)(B)98.0MHzIFT (TUNERUNIT: A1)Minimum distortion(L or R)2TUNING LEVEL(A)98.0MHz MONO 1kHz, 75kHz dev. 25dBf (ANT. input)(B)MONO98.0MHzVR1(TUNER UNIT)Adjust VR1 andstop at the pointwhere ED51(TUNED) goes on.1DISCRIMINATOR(A)98.0MHz 1kHz, 40
16、kHz dev. Connect a DCvoltmeterbetween CN21 and CN2 2(TUNER UNIT)MONO98.0MHzL4 (TUNER UNIT)0V3DISTORTION(STEREO)98.0MHz(C) 1kHz, 40kHz dev. Selector : L or R Pilot : 6kHz dev. 70dBf (ANT. input)(B)AUTO98.0MHzIFT(TUNERUNIT : A1)Minimum distortion(L or R)2DISTORTION(MONO)(A)98.0MHz 1kHz, 40kHz dev. MON
17、O 70dBf (ANT. input)(B)MONO98.0MHzL5 (TUNER UNIT)Minimum distortion4TUNING LEVEL(A)98.0MHz MONO 1kHz, 40kHz dev. 29dBf (ANT. input)(B)MONO98.0MHzVR1 (TUNER UNIT)Adjust VR1 andstop at the pointwhere ED51(TUNED) goes on.FM SECTION : EXCEPT E,T,Q type SELECTOR : FMFM SECTION : E,T,Q type only SELECTOR
18、: FM Adjust NO.1 and NO.2 repeat.70dBf (ANT. input)REC OUTPHONOCDMD / TAPEVIDEO 2/MONITORPLAY INREC OUTPLAY INLRVIDEO 1VIDEO 2FRONTDVD 6CH. INPUTSURROUNDCENTERSUBWOOFERPLAY INVIDEO 1 VIDEO 2 VIDEO OUTVIDEO INMONITORAMANTENNAFM75 WGNDCENTERSPEAKER FRONT SPEAKERSCLR+-SUBWOOFERSURROUNDPRE OUTCENTERLRSU
19、RROUND SPEAKERSFRONT SPEAKERSAC OUTLETLR+-+-LRB()SYSTEM CONTROLSL16(XS8)(A)(B)(C)FM SGFM SGTV SGAGMPXHTBTV MPXAGAGAC voltmeterOscilloscopeDistortion meterDummy antenna(D)SYSTEM CONNECTIONS15115121XS8SL16SBUSYSDATA272711(K,P)(Y,M,I)(Q,C,V)(X)(E,T): AC120V 60Hz: AC110-120V/220-240V50/60Hz: AC220V 50Hz
20、: AC240V 50Hz: AC230V 50Hz21F2F1F3120V110-240V220-51114431131311311312155121113315151441CHASSIS3166111128CN1CN10GNDJ1AMFM75S1POWERSWWH1SRch4+-3SLch-+2Rch+-1Lch-+J10FRONTSP. ASP.SURROUNDS4SYSTEMCONTROLSWJ3SYSTEMCONTROLLch 1Rch 2PHONOJ1CN8CN51WH51CN12CN1J1ACOUTLETUSED(MY,I) TYPE(E,E2,Q) TYPEUSEDT1S2S3
21、CN11DESTINATIONU.K.EUROPECOUNTRYT7E72-71UNIT No.ABB.UNIT No.KRF-V7020 (X05-4982-71)COUNTRYRUSSIAQ5ABB.3-81DESTINATIONKRF-V5020W (X05-4983-81)EUROPEE32-71ABB.COUNTRYDESTINATIONKRF-V5020E (X05-4982-71)COUNTRYUNIT No.ABB.GENERAL MARKETEUROPEU.K.AUSTRALIAT5E12-71M5X50-220-71CANADAP3KRF-V5020 (X05-498X-X
22、X)DESTINATIONUNIT No.DESTINATIONVR-355 (X05-5050-10)COUNTRYU.S.A.UNIT No.ABB.K30-10WH52CN9CN53WH1CN13CN2CN4CN7CN3J1LchRchVIDEOVIDEO1(FRONT)CN1CN11CN12CN2S1CDRch 4Lch 3Rch 4PLAY INLch 3REC OUTRch 2Lch 1J7VIDEO2MONITORTAPEPLAY INRch 4Lch 3MD/REC OUTRch 2Lch 1J2Rch 6Lch 5VIDEO1PLAY INRch 3DVD 6CH.INPUT
23、Lch 2SWch 1J3Cch 1SRch 3SLch 2J4VIDEO2INPUTVIDEO1J56ch1VIDEOINOUTOUTVIDEOVIDEO2J6MONITOR1REC2PLAYPLAY32+-Cch3SP. AFRONT+J8-+Rch2-Lch1CchFLchFRchJ4CN14WH2HEADPHONESRchSWchSLchCchREC OUTJ91234PXY5MALAYSIAI5KRF-V5020(S) (X05-4982-71)EUROPECOUNTRYDESTINATIONUNIT No.E2ABB.2-71I6MALAYSIA0-712-71AUSTRALIAE
24、UROPEE4X60-22UNIT No.KRF-V6020 (X05-498X-XX)GENERAL MARKETCHINACOUNTRYDESTINATIONM6C6ABB.KRF-V6020E (X05-4982-71)EUROPECOUNTRYDESTINATIONUNIT No.E5ABB.2-71DESTINATIONRUSSIACOUNTRYUNIT No.Q6ABB.3-81KRF-V6020W (X05-4983-81)KRF-V7020E (X05-4982-71)KRF-V7020W (X05-4983-81)DESTINATIONCOUNTRYRUSSIAEUROPEC
25、OUNTRYDESTINATIONUNIT No.UNIT No.Q7ABB.3-81E8ABB.2-712-70UNIT No.2-702-70UNIT No.UNIT No.3-81DESTINATIONCOUNTRYRUSSIAQ5ABB.KRF-V5020(S) (X09-6242-70)KRF-V5020E (X09-6242-70)KRF-V5020W (X09-6243-81)EUROPEDESTINATIONCOUNTRYE3ABB.COUNTRYDESTINATIONEUROPEU.K.EUROPEABB.E2T5E1DESTINATIONCOUNTRYRUSSIAUNIT
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