Kenwood-DPC191-dm-sm 维修电路原理图.pdf
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1、FormatSystem . Compact disc digital audio systemLaser . Semiconductor laserAudioFrequency response . 20 Hz to 20 kHz, 3 dBPHONES output level (16, 1 kHz ).10 mW + 10 mWLine output/impedance. 0.6 Vrms/1 kPower supplyExternal DC supply . 4.5V to 6 V DCRechargeable batteries (NB-88) x 2 or 4 .DC 2.4 VC
2、ommercially-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.C. is ON.)Commercially-available alkaline batteries (LR6/AA) x 2 .Approx. 10 (8) Hours (DPC-391/492)Commercially-available alkalin
3、e batteries (LR6/AA) x 2 .Approx. 10 Hours (DPC-191)Commercially-available alkaline batteries (LR6/AA) x 4 .Approx. 22 (17.5) Hours (DPC-391/492)Commercially-available alkaline batteries (LR6/AA) x 4 .Approx. 22 Hours (DPC-191)Rechargeable batteries (NB-88) x 2 .Approx. 4 (3) Hours (DPC-391/492)Rech
4、argeable batteries (NB-88) x 2. Approx. 4 Hours (DPC-191)Rechargeable batteries (NB-88) x 4 .Approx. 9 (6) Hours (DPC-391/492)Rechargeable batteries (NB-88) x 4. Approx. 9 Hours (DPC-191)Dimensions (W x H x D) .138 mm x 30 mm x 157 mm(5 - 7/16 x 1 - 3/16 x 6 - 3/16)Weight (net).270 g (9.5 oz)Note:KE
5、NWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.VOLUME PHONESLINE OUTDC-INREPEATP.MODEOPENPORTABLE CD PLAYERDPC-191/391/492SERVICE MANUAL 1998-5/B51-5427-00 (K/K) 2664Display lens(B10-3429-08)Inner display lens(B10-2417-0
6、8)CD door *(A52-)Top cabinet *(A02-)DC jack(E03-0356-08)Line out jack(E11-0354-08)Phone jack(E11-0372-08)Variable resistor(R31-0086-08)Knob (K27-2316-08)Knob (K27-2317-08)Knob(K27-2315-08)Knob (K27-2319-08)Knob (K27-2318-08)* Refer to parts list on page 12.In compliance with Federal Regulations, fol
7、lowing 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 and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.SPECI
8、FICATIONSDPC-191 98.11.30 3:25 PM y W 2RadioFans.CN 收音机爱 好者资料库2CONTENTS / ACCESSORIESDPC-191/391/492DPC-391ContentsCONTENTS / ACCESSORIES.2CIRCUIT DESCRIPTION.3PC BOARD.5SCHEMATIC DIAGRAM.7EXPLODED VIEW.11PARTS LIST .12SPECIFICATIONS.Top coverModel feature listKPETMM2XKPKPXLINE OUTREMOTE TERMINALDAS
9、C KNOBB.B KNOBB.BOOST P.MODE (TACT SW)P.MODE (TACT SW)DPC-191DPC-492AccessoriesAC adapter .(1)(W08-0657-08) : K1,K3,K4,P1,P3,P4(W08-0658-08) : E(W08-0675-08) : MInnerphone(LONG).(1)(W01-0925-05) : E, MAC plug adapter.(1)(E03-0115-05) : MRechargeable battery .(1)(W09-1240-05) : MCar battery adapter.(
10、1)(W01-0921-05) : DPC-492(K4,P4)Car cassette adapter .(1)(W01-0922-05) : DPC-492(K4,P4)Headphone.(1)(W01-0924-05) : K1,K3,P1,P3(W01-0943-05) : K4,P4MMODELFEATUREDPC-191 98.11.30 3:25 PM y W 3RadioFans.CN 收音机爱 好者资料库3DPC-191/391/492DCIRCUIT DESCRIPTION1. Microprocessor : (MN171603 HFJ1)11 Pin descript
11、ionPin No.Pin nameI/OFunction descriptionActive1, 2INOT USED3AVSSGND4BBSOBBS CONTROL SIGNAL OUTPUTON = H5DATAOREMOTE CONTROL SIGNAL OUTPUT6, 7NOT USED8KEYIKEY INPUT9HOLDIHOLD ON/OFF CONTROLON = H10ESPIESP ON/OFF CONTROLON = L11LOW BATTERYIBATTERY VOLTAGE DETECTIONLOW BATT. = H12AVDDSUPPLY VOLTAGE131
12、5VLC1VLC3LCD DRIVER BIAS CONTROL1619COM1COM4OLCD COMMON SIGNAL OUTPUT (COMMON14)2033SEG0SEG13OLCD SEGMENT SIGNAL OUTPUT (SEG0SEG13)34, 35SEG14, 15ONOT USED36MODE-MIMEMORY SELECT4M = H OTHER = L37D-CNTINOT USEDOUT = H (ESP OFF)38MODE-AIUSE CUE/REV MODE39MODE-BINOT USED40STDBYONOT USED4144NOT USED45DO
13、OR OPENIDOOR SWITCH DETECTIONOPEN = H46PSETIPICKUP INITIAL POSITION47BTCHKIBATT. VOLTAGE DIRECTION. 4851INOT USED52POWEROPOWER SUPPLY CONTROL.53BATOBATTERY CONTROL OUTPUTCHARGING = H54D MUTEOMUTE CONTROL ON = H55SBCKOSUB CODE READ TIMING CLOCK FOR MN662740RE56FCLKIFRAME CLOCK SIGNAL from MN662740RE5
14、7FLAGIFLAG SIGNAL INPUT from MN662740RE58IPFLAGICORRECTION = H59IGND60STATISTATUS SIGNAL from DSP61SENSEISENSITIVE SIGNAL from DSP62TLOCKITRACKING SERVOIN = L63FLOCKIFOCUSING SERVOIN = L64MCLKOCOMMAND CLOCK for MN662740RE65MDATAOCOMMAND DATA for MN662740RE66MLDOCOMMAND DATA LATCH (LOAD) for MN662740
15、RE67ONOT USED68RSTISYSTEM RESET INPUT69X1IGND70X2ONOT USED71VssGND72ONOT USED73SMCKIEXTERNAL SYSTEM CLOCK = 4.2336MHzDPC-191 98.11.30 3:25 PM y W 44DPC-191/391/492CIRCUIT DESCRIPTIONPin No.Pin nameI/OFunction descriptionActive74VDDSUPPLY VOLTAGE (ESP ON = 4.2V / OFF = 3.2V)75LRSTORESET SIGNAL for MN
16、662740RE, SM5859AF76SQCKOSUBQ READ TIMING CLOCK to MN662740RE77SUBQISUBQ DATA from MN 662740RE78ONOT USED79YMLDOCOMMAND DATA LATCH (LOAD) for SM5859AF80YMCLKOCOMMAND CLOCK for SM5859AF81ZSENSEISENSITIVE SIGNAL from SM5859AF82YMDATAOCOMMAND DATA for SM5859AF83BLKCKISUBQ READ REQUEST SIGNAL IN.84IGND1
17、-2 Voltage of pin No. 8 (IC3) / Key function.KEYVKey of unit (Remocon)0.00PLAY/PAUSE (6)0.75STOP (7)1.00UP ()1.23B. BOOST / P. MODE1.43DOWN (4)1.69REPEAT2.13MUTE (Only Remocon)2.55KEY OFF3.01-3 Microprocessor periphery block diagramIC5 SHOCKPLOOFSM5859AFIC6DRAMMN171603HFJ1AN8819NFB-MEXCEPT FOR DPC-1
18、91(KSM-542AAA)/ / / / / / /FROM IC4 (Rch)J105LINE OUTJ102RchLchH. P JACKNJM2073MVOLUMEJ103REMOTEDPC-191 (M2 TYPE)DPC-391 (M TYPE)LMT.SWAN8806SBLchIC7DPC-191 98.11.30 3:25 PM y W 5ACEGIBDFHJ2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)(F
19、oil side view)56DPC-191(K) PCB/SD-4P( 98.11.30 4:34 PM y W 2ABDFHJCEGI2135746()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()XX0V0V2221201918171615141312343536373839404
20、1424344TRV STOPIN TVPCIN SPLDONIN TRIN FOVREFDRVCCAVDDCRIPTBRESETMRSTEMPCLKSTARTPOWERCTPWMCCOMPOCCMP123242526272829303132331110987654321TR-TR+FO-FO+PGNDRGNDSP+SP-TV+TV-VOSVCCVSENBSELSPROSGNDDRGNDINFBOUTDEDPVCC20191817161514131211109876543214142434445464748495051525354555657585960PMCKSMCKRSTSTATD MUT
21、ESUBQSQCKBLKCKTLOCKFLOCKSENSEMLDMDATAMCLKTXDVSS1DVDD1SRDATALRCKBCLKTESPLAYWVELARFIREFDRFDSLFPLLFVCOFAVDD2AVSS2EFHPCKTOFSSUBCSBCKVSSX1X2VDD21222324252627282930313233343536373839408079787776757473727170696867666564636261TRVTVDPCECMECSKICKTRDFODVREFFBALTBALFETERFENVV DETOFTTRCRSRF DETBOOLDONSSELMSELPSE
22、LCSELRSELOUTRAVSS1OUTLAVDD1TESTIOSELRESYDEMPHCRGCLVSFLAGIPFLAGFCLKCLDCKBYTCK2120194344SEG1SEG0COM4NEXT222324252627282930313233343536373839404142SEG2SEG3SEG4SEG5SEG6SEG7SEG8SEG9SEG10SEG11SEG12SEG13SEG14SEG15MODE MD CNTMODE AMODE BSTDBY1234567891013151412111512141311107986524312120191716V DETC SBAT16O
23、FTALD OFF131415BDOTEBPFC SBDOCAOSS101112C FNVC EVTE-TEOUTARFFE OUT47FBALRF INC AGC9FE-RF OUT8TBALPDERVCCRF_6PDFRLDP5PDELDON3PDFPDLD2PDACPDBO1212322242527263330282931323435361817NRF DETVREFGNDENV1920R4A 33KR5A 33KR99A 150KR6A 91C103A0.1C104AR110A120K31303233373534150P47KR114A0.047C106AR113A C107AC108
24、AR1160.1C115A2PC116C113AC112AC111AC110A2200P393638393837363534333231308200P1.2KR174A6.8KR172AR171AR170AR169AR167AR168A21201917161918171514131211109872318079786963100K1M220u6.3+0.022C165A 10.022C164A 0.122KR401A1C169AR182AS1S0C4C1350.1100u6.3+22u16R140A+4.7u50R123A0.10.0224.7KC138C139R119A353611C128A
25、C502A168KR501A390PR121AC13022KC13147PR122AR502A100KC124AC123A0.1C121AC125A 147u10C127+100u6.3C126+-+-+PD2PD1EPDLDVRGNDLDVCCVCFNCTRK-TRK+FCS-FCS+R115A150KC159AR100A820KR7A820KR8A+F.CT.C656463R201A1100u6.3+R40AC129470K33uHL1020.10.1C1343.9KC137220KR184A100u6.3C117+R125A22K22u16+14.7KR180A 47KC114AR112
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