Kenwood-RXDV727-cs-sm 维修电路原理图.pdf
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1、MINI HiFi COMPONENT SYSTEMRXD-V525/V626/V727/V828SERVICE MANUAL(XD-V525V828) * 1999-8/B51-5567-00 (K/K) 40670%In compliance with Federal Regulations, following are repro-ductions of labels on, or inside the product relating to laserproduct safety.*Refer to page 2 if you want to know system configura
2、tion.Refer to the RXD-652 service manual (B51-5517-00) forDISASSEMBLY FOR REPAIR.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlockdefeated.AVOID DIRECT EXPOSURE TO BEAMPHONESAUTO REVERSEDIR
3、ECT PROGRAM SEARCH SYSTEMAPLAYBREC/PLAYAUTO REVERSEDIRECT PROGRAM SEARCH SYSTEMMENUDISCSKIP 0?PUSHOPENMINI HI-FI COMPONENT SYSTEMXD-552PBCKEY CONTECHOEX.BASSSELECTENTERINPUTDISPLAY/DEMOMIC VOLMIN.MAX.MICBACKBANDTUNING MODE1&?#REV. MODEREC/ARMTAPE EQ. 0?PUSHOPENABDISC3DISC 0?OPENVIRTUAL&1DISC2R D SON
4、/STANDBYSOUNDCONTROLMULTICONTROLDOWNDOWNUPVOLUMECONTROLUPSTANDBYTIMERPRO LOGIC 3 STEREOMIC VOL.Knob(K29-7470-14)Front glass *(B10-)Knob(K29-7471-14)Knob(K29-7547-04)Phone jack(E11-0219-05)Phone jack(E11-0280-05)Cassette lid assy(L) *(A53-)Panel assy *(A60-)Knob(K29-7466-04)Cassette lid assy(R) *(A53
5、-)Panel assy(CD)(A29-1067-03)* Refer to parts list on page 55.RadioFans.CN 收音机爱 好者资料库Unplug the power cord from the power outletthen, while holding the ENTER key depressed,plug the power cord again.?Please note that resetting the microcomputer clears thecontents stored in memory and returns it to th
6、e conditionwhen it left the factory.Operation to resetThe microcomputer may fall into malfunction (impos-sibility to operate, erroneous display, etc.) when thepower cord is unplugged while power is ON or due toan external factor. In this case, execute the followingprocedure to reset the microcompute
7、r and return it tonormal condition.ENTERABPOWERECHOKEYKEYVOLUMEDOWNVOLUMEUPMENUSELECT4?MULTI CONTROLREMOTE CONTROL UNITRC-V828TUNING?1CD61SOUND CONT.AUTO PBC23456LISTEN MODEPAL/NTSC7890+10DISC SKIPINPUTEX.BASSBANDTAPE327RETURNA/BTIMERANDOMSTEPSLOWON SCREENMULTIPLEXBACKDIGESTFREEZERESUMEBACKMUTETIME
8、SEARCHPREV.REPEATNEXTENTERFM indoor antenna (1)AM loop antenna (1)Speaker cords (2)(A70-1302-05): RC-V828.RXD-V828(A70-1303-05): RC-V727.RXD-V727(A70-1304-05): RC-V626.RXD-V525/V626Battery cover (A09-0399-08)Remote control unit (1)Use to adapt the plug on the power cord tothe shape of the wall outle
9、t.(Accessory only for regions where use isnecesary.)AC plug adaptor (1)Batteries (T90-0836-05)(T90-0837-05)(E03-0115-05)(R6/AA) (2)Provided in the speaker package Video cord(1)(E30-1427-05)RXD-V525/V626/V727/V8282CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES /CAUTIONS. 2EXTERNAL VIEW.3CIRC
10、UIT DESCRIPTION.4ADJUSTMENT.10WIRING DIAGRAM.12PC BOARD . 13SCHEMATIC DIAGRAM . 24EXPLODED VIEW .51PARTS LIST.55SPECIFICATIONS .67ContentsAccessoriesSYSTEMMAIN UNITDESTINATIONSPEAKERSP CORD PARTS NO.XD-V525RXD-V525MILS-N452E30-5535-05XD-V525RXD-V525VLS-N552E30-5535-05XD-V626RXD-V626MILS-N552E30-5535
11、-05XD-V727RXD-V727MIVLS-N752E30-5535-05E30-5559-05XD-V828RXD-V828MIVLS-N552E30-5535-05CRS-N552E30-5542-05System configurationCautionsRadioFans.CN 收音机爱 好者资料库RXD-V525/V626/V727/V8283EXTERNAL VIEWMetallic cabinet(A01-3656-01)Cover (F07-1660-01)Lock terminal board(E70-0046-05)Lock terminal board(E20-032
12、1-05)Phono jack(E63-1037-05)Oscillating module(W02-1114-15)Phono jack(E63-1010-05)Slide switch(S62-0077-05)Lock terminal board(E70-0110-05)Lock terminal board(E70-0045-05)Phono jack(E63-0116-05)Slide switch(S62-0077-05)Lock terminal board(E70-0053-05)Illustration is RXD-V828.RXD-V525/V626/V727/V8284
13、BLOCK DIAGRAMR/PERASETONEEX.BASSSOUNDOSCBIASBIASTRAPNR SYSTEMDOLBY BHA12136ABA3126NHA12219NT20.5V/6K1OTHER chS.W. PRE-OUTUSEDH.P.RchLchCchRF AMPLODINGMOTORCD DSPKEYLED CONTROLREMOTE SENSOR(X13)A1TUNER PACKFM75 AMANTB DECK(X28)DECKMECHAIC3IC1Q21,22IC2(X14)IC10CXD2718QM62492FPIC2MD RECMD/DVDRXD-V525/V
14、626/V727IC3CD MECHA(MGC-E9001)DIGITALD. OUT(OPTICAL)VIDEO OUTMAIN u-COM2ch MODE (DEV.1%)SURROUND MODERXD-V525RXD-V626RXD-V727(X07)Q3,4Q1,2B CLASSIC2Q5Q7IC5IC1(X14)2V/60017.3V/621.9V/610.95V/6RXD-V82820.5V/624.5V/612.2V/6AMP1.0V/10KOUTPUT400mV/47KINPUT1Vp-p/75PA DECKMICECHOUSEDUSED RXD-V828DRIVERIC4T
15、V ENCODERMPEGDECODERIC12IC9ANALOGRXD-V525/V626/V828MTXMTXSWRchSWLchSLchSRchSLchSRchOFFONMTXSURROUNDOTHER chQ6AMPQ8IC2K1S chAMPA CLASS(X00)AC/DCPROTECTIONL.P.F(X32)(X13)A1IC52,53FLIC51DRIVERDISPLAYFLED1MIC AMPMIC VOL.C/S chPRO-LOGICDOLBYL/R chIC7INPUTOUTPUT12(DEV.10%)(DEV.10%)(DEV.1%)(DEV.1%)FRONT SP
16、.OUTPUTRXD-V525RXD-V6268.5V/8(DEV.1%)8.9V/8(DEV.1%)SP. OUTPUTMATRIX SURROUND (MODE)SUPER WOOFERSP. OUTPUTRXD-V72724.5V/6(DEV.10%/60Hz)13.4V/6RXD-V828CENSER SP. OUTPUT(DEV.10%)9.5V/6RXD-V828(DEV.10%)SURROUND SP. OUTPUT+12VAVRQ4AVRQ6,7-12V-12V+12VAVRIC2+5VAVRIC1+9VRDSCD +9V-BGND+B+40VAVRQ8(X14- ) +5VF
17、L -35VQ2+5.6V AVRu-COMFAST OFFFL ACAMPforPOWERAC INE-VOLTUNERDECKTUNERE-VOLFL IC +5Vu-COMPULL UPK1120V240V+12VAVRQ4AVRQ3-12V-12V+12VAVRIC2+5VAVRIC1+9VRDSCD +9V-BGND+B-35VAVRQ8FL-REFFL -35VQ2+5.6V AVRu-COMFAST OFFFL ACICforPOWERE-VOLTUNERDECKTUNERE-VOLFL IC +5Vu-COMPULL UPK1120V240V(M) TYPE ONLY-BVGN
18、D+BVD2D15-18D1D3S2S1AC IND2D1D3EXCEPT USED RXD-V828USED RXD-V828IC13Q305,306MPXX32X32K2K2K2K2USED RXD-V727S1(X00-293X-XX) : RXD-V525/V626(M) TYPE ONLYRXD-V525/V626/V727/V828(X00-294X-XX) : RXD-V727/V828CLKPLL-CLKPLL-CEPLL-DOSDSTPLL-DATAS-LEVELDE-EMPHSW/C/S MUTEH.P. DETECTATTMUTEPROTECTIONLATCHDATACL
19、KREADYREC LEVEL CONTR/PLATCHLch-OUTRch-OUT+12V+12VRECPBAMPAMPOUT(REC=H)INPUT ATT.VOLUMEC/S (RXD-V828)7VDECKCDLch-OUTRch-OUTD. OUTDATAXINXOUTXCINXCOUT(10MHz)(32.768KHz)MAIN CLOCKTIMMER CLOCKMUTE-6db ATT.DOLBYIN-6db ATT.MUTE-6db ATT.MUTEC/S chSW chC/S or SWFRONT L/RVOLUMESW (RXD-V727)C/SL/R+IC1IC55RXD
20、-V525/V626/V727/V8285CIRCUIT DESCRIPTIONSECTIONITEMSPOWERSTANDBYVOLUME14BALANCECENTERMUTINGOFFPROTECTIONOFFS.DIRECTOFFSUPER WOOFER3(RXD-V727)DISPLAY MODEAUTOAMPAUTO POWER SAVEOFFMD/DVD INPUT LEVEL -3INPUT SEL.TUNER(LISTEN MODE)DOLBY PROLOGICOFFDOLBY 3STEREOOFFDOLBY VIRTUALSURROUNDOFFCENTER SP.EXIST(
21、SMALL)SURROUND SP.EXISTDELAY TIME20msecBANDFMTUNERFREQUENCYLOWEST FREQUENCYAUTO/MONOAUTOP. CH -CHInitial items and back up dataSECTIONITEMSCLOCK0:00(E/T/Q)12:00(OTHERS) PROG. RECORDINGON/OFF TIMER0:00(E/T/Q)12:00(OTHERS) CLOCKPROG.TIMER PLAYON/OFF TIMER0:00(E/T/Q)12:00(OTHERS) PROG.EXECUTIONOFFSLEEP
22、 TIMEROFFO.T.T.OFFDIRECTIONFORWARDDECKRVS MODEREVERSE(U MODE)A/BBPLAY MODETRACKAUTO/NTSC/PALAUTOAUTO PBCONDIGESTOFFCD/VCDMEMORY STOPOFFREPEATOFFRANDAMOFFACTIVE MODESTOPTIMESINGLE: None back upSETTING METHODWhile pressing DISC3 key, plug the AC power cord into the AC power wall outlet.CANCELPush CD S
23、TOP key.CONTENTSDisplay : CD TEST (Then the CD tray open.)Push CD PLAY key to cycle 03 05.SELF ADJUSTMENT(Push DISC 1 key on STOP)ParameterFL DISPLAY07 EF/FB07 * *08 TG/FG08 * *09 FE/RF09 * *SETTING METHODWhile pressing DECK PLAY key, plug the AC power cord into the AC power wall outlet.CANCELPush D
24、ECK STOP key.CONTENTSDisplay : DECK TESTMECHA SW ON= DISPLAY LIGHTING.LEAF SWA-PACKA-FWDB-FWDB-PACKB-NOR.B-RVSFL DISPLAYMOONPROG1,2O.T.T.AUTOSTANTENNASETTING METHODWhile pressing MENU key, plug the AC power cord into the AC power wall outlet.CANCELPush the other key . ( TUNER mode)DESCRIPTIONOSC OK
25、and SYNCHRO OK : Display OK (1 sec) OSC NG: Display ERR 1 SYNCHRO NG: Display ERR 2FL and LEDs are lighting . STANDBY LED and TIMER LED are flashing in the cycle.SETTING METHODWhile pressing ENTER key, plug the AC power cord into the AC power wall outlet.CONTENTSDisplay : INITIALIZECD mecha, DECK me
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