Kenwood-DPCX802-dm-sm 维修电路原理图.pdf
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1、PORTABLE CD PLAYERDPC-X707/X802SERVICE MANUAL 1999-6/B51-5526-00 (K/K) 2510SPECIFICATIONS* Refer to parts list on page 12.In compliance with Federal Regulations, following are repro-ductions of labels on, or inside the product relating to laserproduct safety.KENWOOD-Corp. certifies this equipment co
2、nforms to DHHSRegulations No. 21 CFR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.FormatSystem . Compact disc digital audio systemLaser .Semiconductor laserAudioFrequency response.20 Hz to 20 kHz, 3 dBPHONES output level (
3、16, 1 kHz ) . 10 mW + 10 mWLine output/impedance .0.55 Vrms/1 kPower supplyExternal DC supply . 4.5V to 6 V DCRechargeable batteries (NB-88) 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 t
4、he performance when the D.A.S.C. is ON.)Commercially-available alkaline batteries (LR6/AA) x 2 . Approx. 12 (9.5) HoursCommercially-available alkaline batteries (LR6/AA) x 4 . Approx. 29 (20) HoursRechargeable batteries (NB-88) x 2 . Approx. 5.5 (4.5) HoursAlkaline batteries (LR6/AA) x 2 and recharg
5、eable batteries (NB-88) x 2 . Approx. 18 (15) HoursDimensions (W x H x D) . 129 mm x 29.5 mm x 151 mm(5 - 1/16 x 1 - 3/16 x 5-15/16)Weight (net). 272 g (9.6 oz)Note:KENWOOD follows a policy of continuous advancements in development. For this reason specifications may bechanged without notice.Top cab
6、inet(A02-2923-08)DC jack(E03-0356-08)Phone jack or OPT out *CD door assy (A53-2169-08)Phone jack(E11-0372-08)Potentionmeter(R31-0086-08)Knob(REPEAT/P.MODE)(K27-2381-08)Knob (OPEN)(K27-2379-08)70%DPC-X802(K) COVER1,1P( 99.10.29 7:19 PM yW 2RadioFans.CN 收音机爱 好者资料库DPC-X707/X8022CONTENTS / ACCESSORIESSP
7、ECIFICATIONS .Top coverCONTENTS / ACCESSORIES .2CIRCUIT DESCRIPTION.3PC BOARD .5SCHEMATIC DIAGRAM .7EXPLODED VIEW .11PARTS LIST.12ContentsCar cassette adapter (1)(W01-0922-05): X802 ModelCar battery adapter (1)(W01-0921-05): X802 ModelAC adapter (1)(W08-0658-08): E8E7(W08-0675-08): M7M8(W08-0679-08)
8、: X8X7(W09-1251-05): K8P8(W08-0678-08): T7T8AC plug adaptor (1)(E03-0115-05): M7M8Rechargeable battery (2)(W09-1240-05): M7E7X7M8T7T8Innerphone (1)(W01-0923-05): M7X7(W01-0925-05): X8E8E7M8(W01-0975-08): T7T8Headphone (1)(W01-0924-05): K8P8LCD remocon (1)(A70-1171-05): M7X7AccessoriesDPC-X802(K) COV
9、ER1,1P( 99.10.29 7:19 PM yW 3RadioFans.CN 收音机爱 好者资料库DPC-X707/X8023CIRCUIT DESCRIPTIONPin No.NameI/ODescription1BEEPONOT USED2PE6-NOT USED3SENS2ISENSITIVITY INPUT4FOKIFOCUS OK SIGNALL: FOCUS DOWNH:FOCUS OK5SQCKOSUB Q SIGNAL READ TIMING CLOCK (TO CXD3009Q)6SQSOICD SUB CODE INPUT (FROM CXD3009Q)7DATAOD
10、ATA TO CXD3009Q8YMCLKOSIGNAL OUTPUT (TO SM5903AF)9ZSENSEISENSITIVE SIGNAL INPUT(FROM SM5903AF)10YMDATAODATA SIGNAL OUTPUT (TO SM5903AF)11AMUTEOAUDIO MUTEL: MUTE OFFH: MUTE ON12MIXONOT USED13SOUNDONOT USED14BBSONOT USED15REM-DATAOREMOCON DATA OUTPUT16OPTONOT USED17LIGHTOBACK LIGHT SIGNAL OUTPUTL: ONH
11、: OFF18POWEROPOWER OUTPUTL: OFFH: ON19DIG-OUTIDIGITAL OUTPUT ON/OFF CONTROLL: OFFH: ON20BATTIBATTERY POWER SUPPLY MONITOR 1.4V3.0V :OUTSIDE P.S 0V1.4V :INSIDE BATT.21RECHGIRECHARGEABLE MONITOR 1.5V3.0V :NON RECHARGEABLE 0V1.5V :EXIST RECHARGEABLE22KEYIKEY INPUT 23REKEYIREMOCON KEY INPUT24HOLDIHOLD S
12、W INPUT25DRAMIDRAM SET UP INPUT26,27DASC1,2IDASC SW1(HI)/SW2(ST) INPUTL: HIH: OFF H: ST28NRESETISYSTEM RESET29EXTAL-SYSTEM CLOCK30XTAL-SYSTEM CLOCK31VSS-GND32VL-LCD POWER SUPPLY3335VLC31-LCD POWER SUPPLY3639COM03OCOMMON SIGNAL(03) TO LCD4054L SEG014OSEGMENT SIGNAL (SEG014) TO LCD55L SEG15ONOT USED56
13、PDOONOT USED57CHG-OUTORECHARGEABLE ACTIVE OUTPUTL: OFF H: ON 58B.B/P.GEONOT USED59TIMERONOT USED60PD4ONOT USED61DBBODBB SIGNAL OUTPUTH: DSP B.B OFFL: DSP B.B MID or MAX62REM-LGHONOT USED63REM-DATOREMOCON DATA OUTPUTL: OUTPUT DATAH: OFF64PFOOEMPHASIS TO CXD3009QL: OFFH: ON65PF1OLATCH TO CXD3009Q66YML
14、DOLATCH TO SM590267YDMUTEOMUTE TO SM5902L: OFFH: ON68RESETORESET TO CXD3009Q/CXA2542/SM5903AFL: RESET69PF5ONOT USED70VDD-POWER SUPPLY71TX-NOT USED72TEX-NOT USED73NC-NOT USED74PF6-NOT USED75PF7-NOT USED76SCORISUB CODE SYNCHRO INPUT FROM CXD3009Q77DOORICD DOOR OPEN DETECT INPUT/OUTPUTL: CLOSEH: OPEN78
15、EMPIDECREASE VOLTAGE DETECTL: EMPH: FULL79SENSEISENSITIVITY SIGNAL INPUT FROM CXD3009Q80BB/P.GEINICONNECT TO GND1. Microprocessor:CXP83517Q(IC3)1-1Pin DescriptionDPC-X802(K) COVER1,1P( 99.10.29 7:19 PM yW 6DPC-X707/X8024CIRCUIT DESCRIPTIONSSP/CXA2542AQSENSSENS2FOKXRSTXLTDATADATASENSXLATCLOKSCORSQSOS
16、QCKXRSTEMPHIZSENSENRESETYDMUTEYMLDYMDATAYMCLKPB6/SI1PB4/SO0RSTPower ONOUTPUTINPUT4MHzINTEMPRSTCLKPB2/SCK0PE0/INT0PB3/SI0PB7/SO1PB5/SCK1XLONSPOACLKC.OUTIC101IC20116.9MHz(DASC on/off)SERVO GAINSELECTLIMIT SWon/off CHECKDSP/CXD3009QSEINCNINFOKBack light power supplyOPT output on/offPower supply monitor
17、Rechargeable battery checkHOLD/NORMAL/TEST modeDOOR SW open/close checkDRAMDASC ON/OFF or HI/OFF/STOperation keyRemocon keyRecharge on/offOPT power supplyRemote control dataMuteBEEPATTRemocon Back light power supplyIC401D.RAM cout./SM5903AFTRV DRIVER/BA5901KIC301uCOMIC3V(IC3,22PIN)KEY0.000.74PLAY/PA
18、USE0.750.98STOP0.991.21UP1.221.42B.BOOSTV(IC3,22PIN)KEY1.431.68DOWN1.692.11REPEAT/P.MODE2.122.53MUTE2.543.00KEY OFF1-2 VOLTAGE of A/D KEY1-3 Microprocessor periphery block diagramDPC-X802(K) COVER1,1P( 99.10.29 7:19 PM yW 7ACEGIBDFHJ2135746112111232244343748241312112060414021618012060414021618011133
19、34442212231132614253633485DC INLINE OUTPHONESCONTROLVOLUMEREPEATSTOPP.MODESWP.GEB BDOOROFFONHOLDSTOFFHIDASCREMOTE11211123224434374824131211206041402161801206041402161801113334442212231132614253633485DC INLINE OUTPHONESCONTROLVOLUMEREPEATSTOPP.MODESWP.GEB BDOOROFFONHOLDSTOFFHIDASCREMOTERefer to the s
20、chematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)PC BOARD(Foil side view)56DPC-X802(K) PCB/SD2,2P( 99.10.30 9:26 AM y W 2ABDFHJCEGI2135746807978777675747372717069686766656463626160595857565554535251504948474645444342412122232425262728293031323334353637383940123
21、4567891011121314151617181920VDD3XRSTAVSS4AVDD2AOUT2AIN2LOUT2AVSS3XVSSXTAIXVDDAVSS2LOUT1AIN1AOUT1AVDD1AVSS1SYSMVDD2VSS3EXCKS8SOSCORWFCKEMPHIEMPHDOUTC4MXTSLC2POGFSXPCKXUGFVDD1VSS2BCKIBCKPCNDIPCNDMDPPWMITESTTES1VPCOVCKIV16MVCTLPCOFILOFILIAVSSCLTVAVDDRFBIASASYIASYOLRCKLRCKIVSSLMUTRMUTSQCKSQSDSENSDATAXLA
22、TCLOKSEINCNINDAT0XLT0CLK0SPOASPOBXLONFOKVDDVSS12019181716151413121110987654321807978777675747372717069686766656463626141424344454647484950515253545556575859602122232425262728293031323334353637383940BATTDIG-OUTPOWERLIGHTOPTREM-DATABBSSOUNDMIXAMUTEYMDATAZSENSEYMCLKDATASQSOSQCKFOKSENS2PE6BEEPBB/P.GEINS
23、ENSEEMPDOORSCORPF7PF6NCTEXTXVDDPF5RESETYDMUTEYMLDPF1PF0REM-DATREM-LGTDBBTIMERLSEG1LSEG2LSEG3LSEG4LSEG5LSEG6LSEG7LSEG8LSEG9LSEG10LSEG11LSEG12LSEG13LSEG14LSEG15PDOCHG-OUTBB/P.GEPD4RECHGKEYREMKEYHOLDDRAMDASC1DASC2NRESETEXTALXTALVSSVLVLC3VLC2VLC1COM0COM1COM2COM3363534333231302928272625242322212019181716
24、151413123456789101112373839404142434445464748PD1PDLORFTCRF MRF ORF ICPCBCC1CC2FOKSENS2SENS1C.OUTXRSTDATAXLTCLKVCCXSETSL OSL MSL PFEIFDFCTFGDFLDFE OFE MSRCHTGUTG2FSETTA NTA OFEVEETEOLPFIATSCTZCTDFCTVCFZCFEO3332313029282726252423222120191817161514131212345678910113435363738394041424344RCHGOUT1ROUT1FOU
25、T2ROUT2FPOWGNDOUT3FOUT3ROUT4FOUT4RBREAK1IN1MUTE2IN2MUTE34IN4IN3VREFVSYS2OP+OPOUTVSYS1BSENBATTRESETDEADSWEOEISPRTCTNCOP-AMUTEEMPHVCCPSWCLKSTARTOFFCHGVCCSELPREGNDPD2XTA0PWMFIL16151413121110987654321ALFPDIC VCPDIC VCCLD LDPDIC LD GNDVRLD PDEPDIC PD1PDIC PD2NCTRK-FCS+FCS-TRK+16151413121110987654321ALFPD
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