Kenwood-DPC795-dm-sm 维修电路原理图.pdf
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1、SPECIFICATIONSIn compliance with Federal Regulations, following are reproduc-tions of labels on, or inside the product relating to laser productsafety.KENWOOD-Corp. certifies this equipment conforms to DHHSRegulations No. 21 CFR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open an
2、d interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.PORTABLE CD PLAYERDPC-795SERVICE MANUAL 1999-3/B51-5515-00 (K/K) 477FormatSystem .Compact disc digital audio systemLaser . Semiconductor laserAudioFrequency response .20 Hz to 20 kHz, 3 dBPHONES outpuyt level (16, 1 kHz ) .10 mW + 10 mWLine output/
3、impedance.0.6 Vrms/1 kPower supplyExternal DC supply . 4.5V to 6 V DCRechargeable batteries (NB-88 or NB-130) x 2 or 4 . DC 2.4 VCommercially-available alkaline batteries (LR6/AA) x 2 or 4 .DC 3 VBattery life (continuous repeat playback)(Figures inside parentheses show the performance when the D.A.S
4、.C. is ON.)Commercially-available alkaline batteries (LR6/AA) x 2 . Approx. 12 (9.5) HoursCommercially-available alkaline batteries (LR6/AA) x 4 . Approx. 25 (20) HoursRechargeable batteries (NB-88) x 2.Approx. 5.5 (4.5) HoursAlkaline batteries (LR6/AA) x 2 and rechargeable batteries (NB-88) x 2 .Ap
5、prox. 18 (15) HoursDimensions (W x H x D).132 mm x 32.5 mm x 153 mm(5 - 3/16 x 1 - 1/4 x 6)Weight (net).272 g (9.6 oz)NotesNotesNotes1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.2. The full performance may not be
6、exhibited in an extremely cold location (under a water-freezing temperature).VOLUME PHONESLINE OUTDC-INTop cabinet(A02-2841-08)DC jack(E03-0356-08)Line out phone jack(E11-0354-08)Stereo phone jack(E11-0355-08)Phone jack(E11-0372-08)Variable resistor(R31-0086-08)Knob (REPEAT)(K27-2339-08)CD door ASSY
7、 (A52-0363-08)DPC-795(k) COVER1,1( 99.10.29 4:23 PM yW 2RadioFans.CN 收音机爱 好者资料库DPC-7952ACCESSORIESAC plug.(1)(E03-0115-05) : MRechargeable battery (NB-88) .(1)(W09-1240-05) : M(W09-1235-05) : XRemote control.(1)(A70-1190-05) : M(A70-1171-05) : XAC adapter.(1)(W08-0679-08) : X(W08-0675-08) : MInnerph
8、one.(1)(W01-0923-05)Note: Please refer to Service Manual(B51-5451-00) about microprocessor.DPC-795(k) COVER1,1( 99.10.29 4:23 PM yW 3RadioFans.CN 收音机爱 好者资料库415IC98221214125151751007626506041122123444111142613123332040216180152834441IC2IC1IC3IC4IC5IC6113323REPEATREMOTEVOLUMELINE OUTPHONESOPT OUTDC IN
9、DOORSWP.MODEB.B119ON OFFHOLDON OFFESP SWIC71261314415IC98221214125151751007626506041122123444111142613123332040216180152834441IC2IC1IC3IC4IC5IC6113323REPEATREMOTEVOLUMELINE OUTPHONESOPT OUTDC INDOORSWP.MODEB.B119ON OFFHOLDON OFFESP SWIC71261314ACEGIBDFHJ2135746Refer to the schematic diagram for the
10、value of resistors and capacitors.PC BOARD (Component side view)PC BOARD (Foil side view)34DPC-795(K) PCB2( 99.10.29 6:43 PM y W 1AMPRFL4L5L3L2L1L6L7L8L9L10123456agdbcfeCD104SWLMT.FEEDMOTORMOTORDISCLDPDBTL DRIVERCN4SP1SL1Q102Q6EADBCPICKUPFD105Q105MMD122Au-COMQ104LD CONTROLD.A.S.CCONTROL2827262524232
11、221201918171615PDFPDEVREFTEOUTTENTBALFBALFENFE OUTENVLDONOFTRPDWREDET1234567891011121314VCCPDAPDCPDBPDDFBRFRFINLPDLDCSBRTCEABDOGND10099989796959493929190898887868584838281807978777626272829303132333435363738394041424344454647484950SEG0SUBQSQCKMDATAPO4MCLKPO6RESETPI0PI1PI2PI3PI4BLKCKP21REM INP23P24YM
12、CLKYMDATAYMLDYD MUTEZSENSENRESETP53P541234567891011121314151617181920212223242575747372717069686766656463626160595857565554535251COM4COM3COM2COM1VLC3VLC2VLC1VDDOSC2SMCKX1X0MMODOVREF-VSSKEY1KEY2RECHARGE OUTBATT.HOLDDOORDASC ST.DASC HIVREF+PODSEG25P80P81DIGITAL OUTP83P84P85P86RSTSTATTLOCKFLOCKSENSEMLD
13、LIGHT OUTRECHARGEP70P67P66EMPLMTBBSCONT.REM DATAPOWERSEG1SEG2SEG3SEG4SEG5SEG6SEG7SEG8SEG9SEG10SEG11SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23SEG24123456789COM1SEG013111012141516171819COM2COM3COM4SEG1SEG2SEG3SEG4SEG5SEG6SEG7SEG8SEG9SEG10SEG11SEG12SEG13SEG1443211009998979695949392919
14、08988878619181716151413121110987654321No.PIN No.L6L7L4L56a5a4aB.BOOST3aREPEAT2aPGM1aCOM1COM1DASCL8L36b6f5b5f4b4f3b3f2b2f1b1fCOM2COM2STL9L26c6g5c5g4c4g3c3g2c2g1c1gCOM3COM3HIL10L16d6e5d5e4d4e3d3e2d2e1d1eCOM4COM4PINu-COM22212019181716151413123435363738394041424344IN TVPCIN SPLDONIN TRIN FOVREFDRVCCAVDD
15、SVCCEMPVCTBCLKSTARTPOWERPVCC2IOUTSGNDPWMG23242526272829303132331110987654321TR-TR+FO-FO+PGNDSP+SP-TV+TV-ICONTCRIPAREFCTSPROINFBOUTDEDRESETPVCCVSEN4443424112131415A3A2A1A0YLRCKYSCKZSCKZLRCK1234567891011VDDUC1UC2UC3UC4UC5DITNTESTCLKVSSYSR DATA41TES2122232425262728293031323334353637383940TRVTVDPCECMECS
16、KICKTRDFODVREFFBALTBALFETERFENVV DETOFTTRCRSRF DETBDOLDON1234567891013151412111512141311107986524311.2KR174A 6.8KR168AC14022u16+4.7u50R123A0.0224.7KC139R119AC128AC502A133KR501AC13022KC13147PR122AR502A33KC124AC123A0.1C121AC125A 147u10C127+100u6.3C126+PD2PD1EPDLDVRGNDLDVCCVCFALTRK-TRK+FCS-FCS+F.CT.C33
17、uHL1020.10.147KR184AR125A20K22u16+SP+SP-SL+SL-1KR166A1000PC161A0.1C122A47550.01C13622KR124A100u6.3C133+0.1C132110KR169A 33KR170A 5.6KR175AVCCVCC501R171A 100K+2.8V+2.8V+2.8V+4.8V+4.8V+2.8V+2.8VSTOPTRV24252627MRST56222325272829NCC1350.1390PC134470KR140A2.2KR141A0.1C137A100u6.3C138+R504A180K+4.8V392728
18、29232522363839313233343021807935244434241C180A0.022C103A0.022C104AR112A150KC115A150PR109A120KR110A33KR8A47KR7A47K100KR111A470PC116AR116A15KC106A47P6.8KR114A3.3KR115A0.1C111A4.7K2PC107A0.022C112A0.027C113A1C120A33313036383234TP24252726123410KR3AR1A10KR2A10K1KR21A0.1C3A26272830384310099989796959493929
19、19089888786JP11AJP13AR22A 4.7K0.1C2A100uC1+5553566263646566671044454748+2.6V+2.6V+2.6V+2.6V40C114A0.02739C152 47u10+R136A 4.71C118A100u6.3C117+B+BR121A010KR189A10KR67A+4.8V+4.8V53172123222016+2.8V+2.8V+2.8V+2.8V+2.8V+2.8V+2.8V525140+B+B+B+2.6V+2.6V+2.6V+2.6V+2.6V+2.6V+2.8V+2.8V60+2.2V+2.2V+2.2V+2.2V
20、+4.8V+4.8V+4.8V33+2.8V0.022C11A56KR23A88878690899192939496959998971100324R172A0+B+B10KR100A 10KR99A+2.8V68KR142A147u10C185+33KR167A0R173AR113A2.2KR182A+2.2V6.3IC1IC3IC2LC101(KSM-542A)MECHA. ASSYPGM REPEATB.BOOSTCD.A.S.C.STHI4.8V1.1V0.8V2.8V2.5V0V1.3V2.6V1.3V1.3V1.3V0V0V0V0V0V0V0.2V0V2.8V0V1.3V4.8V4.
21、8V4.8V2.8V0.3V4.6V1.3V1.3V1.3V1.3V1.3V0V0V1.5V2.6V0V0V0V1.3V1.3V1.2V0V0.6V2.8V1.3V2.5V0.4V0.2V0.7V2.8V4.5V1.0V0V0V0V0V0V1.3V1.3V1.4V0V2.6V1.3V1.3V1.3V1.3V1.3V1.4V2.6V1.3V0.7V0.1V1.9V1.5V1.1V0V1.9V4.8V1.4V2.8V1.4V1.4V1.4V0.9V1.9V1.3V2.8V2.8V2.8V2.8V0V0V0V2.8V1.4V0V0V2.8V0V2.8V2.8V0V0V0V2.8V2.8V2.8V0V
22、2.8V2.8V2.8V0V2.2V0V1.3V2.6V1.9V1.8VOFF: 0VST/HI: 2.9VD.A.S.COFF: 2.7V0VST/HI: 0V0V0VABDFHJCEGI2135746DPC-795(K) PCBSD2,2( 99.10.29 5:30 PM y W 3DAD & DSPSHOCK PROOF16M D-RAMJ103REMOTE(X) TYPEONLYREPEATOFFSW107HOLDONSW109DOOR SWST.ESP SWOFF(BOTTOM VIEW)SW108VOLUMEHEADPHONESRchD301Q301Q305D201DRIVERQ
23、201LchQ202Q302Q4Q205Q5Q203Q303J102PHONESLINE OUTJ105Q116Q108J101DC-INBATTERYBT1Q106BATTERYBTQ110Q107Q115D112D111Q111Q112D115D116SW101SW102SW103SW104SW105SW106P. MODEB BD118AD117Q113HIGHONOFFBASSBOOSTIC1 : AN8838SBIC2 : AN8789FBIC3 : MN101C167IC4 : MN662746RPK1IC5 : SM5902AFIC6 : MN41V17400CTT6IC9 :
24、NJM2073MQ4,6,201,301: 2SC3330Q5,104,110,113,114: 2SA1317Q102: 2SB598FQ105,115: 2SC4048-ACQ106: 2SC4481TQ107,202,302: 2SD734FQ108: 2SD1805F orQ111,112: 2SB926TQ116: 2SA1564-ACQ203,205,303,305: 2SC3860D104,119,120: SB-03A3-BTD105,115-117,201,301: GMB01-BTD111,112: IN-4001D118A,122A : 1SS355+2.8VAVRQ11
25、4D119D120JP15A0GND LINESIGNAL LINEB LINE2SD1805G4039383736353416171819202122A4A5A6A7A8A9NRASDATA2YFLAGYFCLKYBLKCKNRESETZSENSEVDD3332313029282726252423NWED1D0D3D2NCASA10YMCLKYMDATAYMLDYDMUTE201918171615141312111098765432142434445464748495051525354555657585960PMCKSMCKRSTSTATD MUTESUBQSQCKBLKCKTLOCKFLO
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