Kenwood-DP3080MKII-cd-sm 维修电路原理图.pdf
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1、COMPACT DISC PLAYERDP-3080Mk/3090SERVICE MANUAL 1997-8/B51-5349-00 (K/K) 2172In compliance with Federal Regulations, following are reproductionsof labels on, or inside the product relating to laser product safety.KENWOOD-Corp. certifies this equipment conforms to DHHSRegulations No. 21 CFR 1040. 10,
2、 Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.1-ON STANDBYP.MODECHECKCLEAREDITTIMEDISPLAYREPEATPEAKSEARCH234567890DISPLAY7641STOPPLAY/PAUSE+10RANDOMPHONES0Knob(k29-6469-08)Phone jack(E11-0339-08)LROUTPUTDIGITALOUTPUTSYSTEM CONTROLSL
3、16 XS 8OPTICALKENWOOD badge(B43-0302-04)Front glass(B10-2403-08)Dressing panel(A21-3603-08)Knob(k29-6815-08)Metallic cabinet(A01-3356-08)Power cord bushing(J42-0200-08)Phono jack(E63-0188-08)Slide switch(S62-0069-08)AC power cord *(E30-)Miniature phone jack(E11-0333-08)Optic receving module(W02-2620
4、-08)Knob(K29-6471-08)Escutcheon(B07-2388-08)Panel *(A60-)Illust is DP-3080Mk.* Refer to parts list on page 14.DP-3080Mk2(k) COVER( 98.4.26 2:56 PM yW 2RadioFans.CN 收音机爱 好者资料库DP-3080Mk/30902CONTENTS / ACCESSORIES / CAUTIONSDISASSEMBLY FOR REPAIRBeware of condensationWhen water vapor comes into contac
5、t with the surface of coldmaterial, water drops are produced.If condensation occurs, correct operation may not be possible, orthe unit may not function correctly.This is not a malfunction, however, the unit should be dried.To do this, turn the ON/STANDBY switch ON and leave the unitas it is for seve
6、ral hours.AccessoriesContentsAudio cord.(1)(E30-2841-08)AC plug adaptor.(1)(E40-9981-08) M type onlyRemote control unit .(1)(A70-1181-08) : RC-P03050Battery cover (A09-0356-08)Batteries (R6/AA).(2)CONTENTS / ACCESSORIES / CAUTIONS. 2DISASSEMBLY FOR REPAIR . 2CIRCUIT DESCRIPTION . 3ADJUSTMENT. 4PC BO
7、ARD . 5SCHEMATIC DIAGRAM . 7EXPLODED VIEW . 12PARTS LIST.14SPECIFICATIONS .17REMOTE CONTROL UNITRC-P0505 System control cord.(1)(E30-2629-05)Cautions1234567891011121314151617181920TRACKno?d?sc1Be especially careful in the following conditions:When the unit is brought from a cold place to a warm plac
8、e, andthere is a large temperature difference.When a heater starts operating.When the unit is brought from an air-conditioned place to a placeof high temperature with high humidity.When there is a large difference between the internal temperatureof the unit and the ambient temperature, or in conditi
9、ons wherecondensation occurs easily.Note related to transportation and movementBefore transporting or moving this unit, carry out the followingoperations.1. Turn the power ON but do not load a disc.2. Verify that the display shown appears. 3. Wait a few seconds and set the unit to STANDBY mode.How t
10、o remove the CD tray.# Remove the CD mechanism from unit before this step.1. Remove the 2 screws (1), then remove the clamperfram.2. Turn the gear (2) under the tray, then remove the trayon the position A (3).3. Remove the guide frame (4), then remove the collar ofthe leaf switch in the left directi
11、on (5).4. While raising the click on the left-rear side of the tray (6),pull out the tray (7).1123647CP401CP2015position ADP-3080Mk2(k) COVER( 98.4.24 2:42 PM yW 3RadioFans.CN 收音机爱 好者资料库DP-3080Mk/30903CIRCUIT DESCRIPTIONPin No.Pin nameI/ODescription1GFSINOT USED2RMCIREMOCON INPUT PRT3-5INOT USED6MUT
12、EODIGITAL MUTE (ON: H)7MLENOTC9423F LATCH CONTROL8MCKOTC9423F CLOCK CONTROL9SENSISENSE INPUT FROM CXD250710MDTOTC9423F DATA CONTROL11SQCKOCLOCK TO READ Q_DATA12SUBQIQ_DATA INPUT PORT13ONOT USED14-17KR0-KR3IKEY INPUT PORT18OPEN_MOOPEN MOTOR (ACTIVE L)19CLOSE_MOCLOSE MOTOR (ACTIVE L)20MONOSPINDLE MOTO
13、R ON H21ONOT USED22DATAODATA OUT TO CXD250723XLTOLATCH OUT TO CXD250724CLKOCLOCK OUT TO CXD250725FOKIFOCUS OK INPUT PORT26LDONOLASER OUTPUT (ON: L)27A_MUTEOANALOGUE MUTE(ON: H)28XRSTOIC RESET PORT29AD_INIA/D CONVERT INPUT PORT30RESET(RESET)31XI(XTAL1)32XO(XTAL0)33Vss(GND)34-46ONOT USED47-57S11-S1OFL
14、 SEGMENT PORT58-61ONOT USED62-70G9-G1OFL DIGIT PORT71VfdpFL DRIVER POWER (-26V)72Vdd(+5V)73NCCONNECTED TO Vdd74FED_SWILIMIT SWITCH (ON: L)75MODE_SWI8/16BIT (L: 8BIT , H: 16BIT)76S_DATAI/OSYSTEM SERIAL DATA77S_BUSYI/OSYSTEM SERIAL BUSY78SCCRISCOR FROM CXD250779OP_SWIOPEN SWITCH (ON: L)80CL_SWICLOSE S
15、WITCH (ON: L)1. Microprocessor ; (MAIN unit ; IC601)1-1 Pin descriptionDP-3080Mk2(k) COVER( 98.4.24 2:42 PM yW 7DP-3080Mk/30904ADJUSTMENTNo.123FOCUSOFFSETTRACKINGBALANCETRACKINGGAINTEST DISCTYPE 4Test disctype4 Applysignal of1.2kHz50mVrms toTP301 pin5-6.TEST DISCTYPE 4CONNECT ANOSCILLOSCOPEto TP301C
16、H1 : RF(1)CONNECT ANOSCILLOSCOPEto TP301CH1 : TE1(5)CH2 : VC(4)Connect a LPF toTP301 pin 5-6 towhich you connectan oscilloscope orAC voltmeters.STOPPLAYSHORTCIRCUITTP2 WITH TP5AFTER THEADJUSTMENTREMOVESHORTWIREPLAYVR301FE OFFSETVR302TE BALANCEVR303TE GAINDC=0VSYMMETRYBETWEENUPPER ANDLOWERTwo VTVMssh
17、ould read thesome value.(e)ITEMINPUTSETTINGOUTPUTSETTINGPLAYERSETTINGALIGNMENTPOINTALIGN FORFIG.1. WITH PRESSING PLAY/PAUSE ( 66 ) TURN THE POWER ON TO ENTER THE TEST MODE.2. SET THE TEST DISC TO DISC NO SONY YEDS18. (TYPE4)(e)Tracking gainNote:Type 4 disc : SONY YEDS-18 Test Disc or equivalent.LPF:
18、 Around 47 k+ 390 pF or so.GNDTP3011.2 kHz50 mVrms+_L.P.F.+L.P.F.VTVMVTVM1234567DP-3080Mk2(k) COVER( 98.4.24 2:42 PM yW 8ACEGIBDFHJ2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)56DP-3080Mk2(K) PCB/SD( 98.4.24 2:37 PM y W 2ABDFHJCEGI21357
19、46-29.3V-25.9V-25.9V-25.9V-25.9V-25.9V-25.9V4.8V4.3V0V0V0V4.8V0V4.7V0.2V4.7V4.7V0V0V0V2.0V4.7V4.7V0.8V2.3V2.3V4.7V2.1V0V2.3V2.3V2.1V4.5V0V-0.6V2.4V2.5V-11.9V4.8V2.3V3.4V4.1V2.0V3.4V0.6V4.7V2.2V2.3V3.9V3.4V3.6V3.6V2.3V4.7V7.3V4.8V3.7V3.6V3.4V3.9V2.3V8.0V4.5V0.7V1.5V2.0V2.2V3.0V2.2V3.2V0.1V2.2V2.2V0.7
20、V2.2V2.4V2.2V2.3V2.1V2.2V2.2V0V4.5V0V4.7V4.7V4.7V2.4V2.2V2.2V2.2V2.2V2.2V2.2V2.2V2.2V2.2V2.2V-0.6V2.2V0.6V2.2V4.5V2.2V2.2V2.2V2.2V2.4V8.0V7.3V2.3V2.2V2.4V0V2.3V2.2V4.8V4.7V2.1V2.3V2.3V2.2V0V0.2V4.7V0V4.5V4.7V4.7V4.7V4.7V12.2VIC401IC501IC201MECHA. ASSYTRAVERSE UNIT : D40-1500PICKUP ASSY:T25-0050-05IC
21、3010V12.2V-B+B+5V+12V+12V+12V+12V+8V+8V-12V-12V-12V-12V-12V-30V-30V-30VAVDD+5V+5VVDDVDDVDDVDDVDDAVDDVDD+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+8V+5V+8V+8V+8V+5V+5V+5V+5V+5V+5V+5V+5VR506330R618 1010KR659R317 68KR319 68K561110FE+PDPD2PD2PD1FEGND+5V+5VE20252621LDGND5C402 0.01+-18C4011000P231-+VEE44706465450.01C
22、5120.022C5056.8KR30347KR617470R6100.01C40382KR40547768VCCR40119R40382KR402 82KSIGNAL LINEGND LINE+B LINE-B LINER40482KVR301VR30110K20KR32420KR325VR303VR30210KR208+C322100u102625545557C5081000P470R519+C325100u160.01C311150KR51410KR504C504100K470R51020WDCKASYE2221PCMDBCKLACKR5091819R5011500P3.3KR5033.
23、3KR5050.047C503BIASASYIAVDDRFAVSSCLTVPCOFILIVSSLOCKTESTFILO11671098131412151617ASYOR502 1MC502 0.01MDPMDSFOKMONXLON6362SPOD64143252425470GTOPXUGF26VDDXFCK2827GFSRFCK3031XROFC2PO2932MNT1MNTO343538373639XTSLFSTTC4MDOUTXTAIXTAO414042434446454750.01C506R50823R40610K10KR407124352SEIN545523245457XLTO48495
24、150XRSTSENSMUTEDATA960.01C507SBSOSQCKSOSOEXCKWFCKSCORVSSEMPH111233MNT3SPOBSPOA60SPOC61VDD5857CLKO59DATA55CNIN5653CLOKXLATGNDOP S/WCL S/WT MOGNDSP+SL-SL+GNDS S/WSP-FVC+5VPD2LDPD1PD2PD1GNDGNDPDFE+TE+TE-FE-SP-SP+SL-SL+GNDS S/WFE-TE-TE+PD2VCSP-SP+SL-SL+GNDS S/W+5VRMCGND0.12C50180798079R318 68KR316 68K59
25、212010KR3281221R209150K3.3R5113.9R513R512 10059+C511330u1010uHL2014523622202117181911326541234515161213149101178470PC61110+C61033Ou0.022C6092625R207 4.7K4.7KR2060.033C20577762021194 G5 G6 G2223241 G2 G3 G252627FF2829+C2084.7u5010KR211C2011000P1MR201220PC2020.047C203240KR311150KR3100.01C310+C308 10u5
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