Kenwood-CD2280M-cd-sm 维修电路原理图.pdf

《Kenwood-CD2280M-cd-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Kenwood-CD2280M-cd-sm 维修电路原理图.pdf（28页珍藏版）》请在收音机爱好者资料库上搜索。

1、LROUTPUTCOAXIALSL-16TEXTDIGITALOUTSYSTEMCONTROLTEXTSL16 XS 8MULTIPLE COMPACT DISC PLAYERSTANDBYDISPLAYDISC SKIP0?PUSH OPENRANDOMCONFIRMREPEAT674 200 DISC LOADING WITH TWIN PICK UP MECHANISMTIMER PLAYOFFONMULTIPLE COMPACT DISC PLAYERCD-2260M/DPF-J7010CD-2280M/DPF-J9010SERVICE MANUAL 1998-3/B51-5416-0

2、0 (K/K) 3094Knob(K29-6884-08)Dressing panel(A21-3613-18)Front glass(B10-2395-08)Panel(A29-0897-18)Front glass(B10-2405-08)Knob(K29-6803-08)Indicator(B12-0326-08)Metallic cabinet(A01-3536-08)AC power cord(E30-2787-05)Miniature phone jack (BLK, 2.5)(E11-0360-05)Miniature phone jack (2P)(E11-0293-05)Ph

3、ono jack(E63-0199-05)Power cord bushing(J42-0083-05)Slide switch(S31-2132-05)Phono jack(E63-0122-05)Rear cover(A46-0305-08)Dressing panel(A21-3616-18)Front glass(B10-2396-18)Panel(A60-1259-08)Illustration is CD-2260M.In compliance with Federal Regulations, following are reproduc-tions of labels on,

4、or inside the product relating to laser productsafety.Please refer to the service manual CD-223M/DPF-J3010/CD-224M/DPF-J5010 (B51-5409-00) if need moreinformation.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation

5、when open and interlock defeated.AVOID DIRECT EXPOSURE TO BEAMCD-2260M/DPF(K) COVER( 98.4.24 10:51 PM yW 2RadioFans.CN 收音机爱 好者资料库NOIDCSNote related to transportation and movementBefore transporting or moving this unit, carry out the following op-eration:1. Remove all discs from the carousel and clos

6、e the door panel.2. Confirm that the flashing “NO DISC” display has changed to steadylighting, and then switch off the power.3. Wait a few seconds, then disconnect the power plug.To reset the registered contentsThe registered contents for title name, music type, and bestselection can be reset by the

7、 following procedure.Operation to resetThe microcomputer may malfunction (impossibility to operate,erroneous display, etc.) when the connection cords are un-plugged while power is ON or due to an external factor. In thiscase, execute the following method to reset the microcomputerand return it to no

8、rmal condition.Unplug the power cord from the power socket and plug thepower cord into the socket again.Unplug the power cord from the power socket and, whileholding the 7 key depressed, plug the power cord into thesocket again.CD-2260M/2280M/DPF-J7010/J90102CONTENTS / ACCESSORIESContentsAccessories

9、CONTENTS / ACCESSORIES .2EXTERNAL VIEW.3DISASSEMBLY FOR REPAIR.4CONTROLS .5CIRCUIT DESCRIPTION.7ADJUSTMENT.10PC BOARD .11SCHEMATIC DIAGRAM .15EXPLODED VIEW .26PARTS LIST.28SPECIFICATIONS .Back coverAudio (E30-0505-05)Battery cover (A09-0374-08)* Refer to parts list on page 28.(A70-1174-08) : RC-P050

10、6(A70-1175-08) : RC-P0306(E30-2816-05)(E30-2861-05)cord . (1)System control cord . (1)Remote control unit . (1) *Batteries (R6/AA) . (2)Communication cord . (1)Beware of condensationWhen water vapor comes into contact with the surface of coldmaterial, water drops are produced.If condensation occurs,

11、 correct operation may not be possible,or the unit may not function correctly.This is not a malfunction, however, and the unit should be dried.(To do this, turn the POWER switch ON and leave the unit as itis for several hours.)Beware of condensationBe especially careful in the following conditions:

12、When the unit is brought from a cold place to warm place, andthere is a large temperature difference. When a heater starts operating. When the unit is brought from an air-conditioned place to aplace of high temperature with high humidity. When there is a large difference between the internal tempera

13、-ture of the unit and the ambient temperature, or in conditionswhere condensation occurs easily.CD-2260M/DPF(K) COVER( 98.4.24 10:51 PM yW 3RadioFans.CN 收音机爱 好者资料库CD-2260M/2280M/DPF-J7010/J90103EXTERNAL VIEWSTANDBYMULTIPLE COMPACT DISC PLAYEROPERATIONDISC SKIPRANDOMCONFIRMDISPLAY-ADISPLAY-BCONTINUOU

14、S PLAYDISPLAYBATIMER PLAYOFFON0?PUSH OPENREPEAT674 LABROUTPUTSL-16TEXTSYSTEMCONTROLTEXTSL16 XS 8Knob(K29-6884-08)Dressing panel(A21-1999-18)Front glass(B10-2395-08)Panel(A29-0890-18)Front glass(B10-2405-08)Knob(K29-6803-08)Indicator(B12-0326-08)Front glass(B10-2456-08)Metallic cabinet(A01-3536-08)AC

15、 power cord(E30-2787-05)Miniature phone jack (BLK, 2.5)(E11-0360-05)Miniature phone jack (2P)(E11-0293-05)Power cord bushing(J42-0083-05)Slide switch(S31-2132-05)Phono jack(E63-0120-05)Rear cover(A46-0305-08)Indicator(B12-0327-08)Dressing panel(A21-2000-18)Front glass(B10-2396-18)Panel(A60-1255-08)I

16、llustration is CD-2280M.CD-2260M/DPF(K) COVER( 98.4.24 10:51 PM yW 6CD-2260M/2280M/DPF-J7010/J90104DISASSEMBLY FOR REPAIR: Ref. No. in exploded viewHow to Assemble Mechanism.1. Remove the lever() with the spring ().2. Slide the actuator assy(1+9) to the fully frontward.3. Set the gear() to meet with

17、 the mark of its and the actuator assy(1+9).4. Set the guide() to meet the mark of its and the gear().5. Load the lever() with the spring () to the guide() after sliding the actuator assy(1+9) slightly backwards.19CD-2260M/DPF(K) COVER( 98.4.24 10:51 PM yW 7CD-2260M/2280M/DPF-J7010/J90105CONTROLSCD-

18、2260M/DPF-J7010CD-2260M/DPF(K) COVER( 98.4.24 10:51 PM yW 10CD-2260M/2280M/DPF-J7010/J90106CONTROLSCD-2280M/DPF-J9010CD-2260M/DPF(K) COVER( 98.4.24 10:51 PM yW 11Pin No.Pin NameI/ODescription1SLT-SWIStart limit sw input.2LDCOLaser on/off control.3MONOSpindle motor on/off control.4FOKIFocus ok signal

19、 input.5GFSIGFS input from CXD2587Q.6SENSISense output from CXD2587Q.7CLOCKOClock output to CXD2587Q.8XLATOLatch output to CXD2587Q.9VSSGND.10VDDPower supply(+5V).1114No use.15DATAOSerial data output.16MUTEGOMute control port.17SCLKOClock output for SENSE serial data read out.18SQSOISub Q/PCM peak/l

20、evel data input.19No used.20SQCKOClock output for SQCK read out.21RXD-SIUART communication input from main microprocessor.22TXD-SOUART communication output to main microprocessor.23No use.24VDDPower supply(+5V).25VDSSGND.2633GND.34AVREFGND.35AVDDPower supply(+5V).36RESETIReset signal input.37XT2No c

21、onnection.38XT1Power supply(+5V).39VSSGND.40X2Clock(8.38MHz).41X1IClock(8.38MHz).42VSSGND.43SCORIInput port of sub-code synchro.44A2-SWOMain unit audio out - Sub output port.45A1-SWOSub unit audio out - Main output port.46RMUTE2OAnalog mute control.4761No used.6264Power supply(+5V).CD-2260M/2280M/DP

22、F-J7010/J90107CIRCUIT DESCRIPTION1. Sub processor : uPD780023GC501 (IC3 : X25)Pin descriptionCD-2260M/DPF(K) COVER( 98.4.24 10:51 PM yW 14CD-2260M/2280M/DPF-J7010/J90108CIRCUIT DESCRIPTIONINPUT KEYPROCEDUREDISPLAYInsert the AC plug toINITIAL CONDITION INITIAL OK!the wall outlet with Disc No.1 moves

23、to the center and clamp it. MECH. INITIALpressing the SKIP- Clear the memory of the SRAM.DOWN key. Door opens. INITIAL NG Set the switch of TIMER ON PLAY to ON. TIMER, NG Set the switch of SYSTEM CONTROL to XS8. SER, NGInsert the AC plug toCIRCUIT ADJUSTMENT TEST ONthe wall outlet withpressing the R

24、EPEAT Open the door and load the disc to the Disc No.1 inmechanismA. Also No.3 in mechanismB.or CONTINUOUSPLAYkey.(J9010) Close the door. The unit changes to test mode05 afterclamping the discs on both mechanismA and B.Caution:Not clear the memory of the SRAM if pressed CONTINUOUS PLAY key.(J9010)In

25、sert the AC plug toCIRCUIT ADJUSTMENT TEST ONthe wall outlet withpressing the REPEAT Open the door and load the disc to the Disc No.1.key(J7010) Close the door. The unit changes to test mode05 afterclamping the disc.PLAY/PAUSE Change the mode 05(tracking-on) and 03(tracking-off) alternatelyby the PL

26、AY key.05 1:23 03 2:34STOPStop the function. 00UP(mechanismAonly)(J9010)The pickup travels outwards.MOTOR FORWARDUP(J7010)The pickup travels outwards.MOTOR FORWARDDOWN(mechanismBonly)(J9010)The pickup travels inwards.MOTOR REVERSEDOWN(J7010)The pickup travels inwards.MOTOR REVERSERANDOMShows the res

27、ult of self-adjustment.07 EF/FB 07 XXX:XXX08 TG/FG 08 XXX:XXX09 FE/RF 09 XXX:XXX10 TE/VC 10 XXX:XXXMode changes alternately by the RANDOM key.NG: blinkingDISPLAYshows niagara modePOWERCheck the transmission signal(Disc No.1 and Track No.99) of theremote controller.OPERATION(J9010)Mechanism selection

28、 A or B.REPEAT(mechanismAonly)(J9010)Playback PGM signal of the Track No.7,13,23,30,34 and 41 inthe order. And release the test mode in both mechanisms.REPEAT(J7010)Playback PGM signal of the Track No.7,13,23,30,34 and 41 inthe order. And release the test mode.CONFIRM(J9010)Release the test mode on

29、both mechanisms.CONFIRM(J7010)Release the test mode.(TIMER PLAY SW)Check the switch position.TIMER ON , TIMER OFF(SL16/XS8 SW)Check the switch position.16BIT, 8BIT(TxD port)Check the SL16-TEXT port.TxD:H RxD:L, TxD:L RxD:HInsert the AC plug to thewall outlet with pressingthe UP key.CHECK THE MECHANI

30、SM JAMMING. Clamp the Disc No1,2,100,50,200 and 199 in the order.Insert the AC plug to thewall outlet with pressingthe RANDOM key.THE MECHANISM TEST MODE.Display shows NIAGARA until pressing any key.PLAY/PAUSE Change the mode 05(tracking-on) and 03(tracking-off) alternatelyby the PLAY key.05 1:23 03

31、 2:342. TEST MODECD-2260M/DPF(K) COVER( 98.4.24 10:52 PM yW 15CD-2260M/2280M/DPF-J7010/J90109CIRCUIT DESCRIPTION3. ERROR CODEDISPLAYERROR CONTENTSMECHA ERROR 01No input of S3. The original position error of Disc Number.MECHA ERROR 02No input of S2. The turning direction error to counterclockwiseMECH

32、A ERROR 03No input of S1. The turning direction error to clockwiseMECHA ERROR 04No input of main load sw.MECHA ERROR 05No input of main unload sw.MECHA ERROR 06No input of sub load sw. (DPF-J9010)MECHA ERROR 07No input of sub unload sw. (DPF-J9010)S1-3:Mechanism address detector switch.There are loa

33、d and unload switches in the main pickup.S3S2SENSOR PCBS1 DISC 19S2 DISC 1099S3 DISC 100200S1STOPStop the function.Shows the result of self-adjustment.07 EF/FB 07 XXX:XXX08 TG/FG 08 XXX:XXX09 FE/RF 09 XXX:XXX10 TE/VC 10 XXX:XXXMode changes alternately by the STOP key.NG: blinkingUP(J9010)Arm Motor L

34、oad operation in mechanismA. MOTOR LOADThe pickup travels outwards In mechanismB.MOTOR FORWARDUP(J7010)Arm Motor Load operation. MOTOR LOADDOWN(J9010)Arm Motor Unload operation in mechanismA.MOTOR UNLOAD The pickup travels inwards in mechanismB.MOTOR REVERSEDOWN(J7010)Arm Motor Unload operation.MOTO

35、R UNLOAD RANDOMRotary Motor Clockwise turning.MOTOR CWDISPLAYRotary Motor Counterclockwise turning.MOTOR CCWPOWERCheck the transmission signal(Disc No.1 and Track No.99) of theremote controller.OPERATION(J9010)Mechanism selection A or B.REPEAT(mecanismAonly)(J9010)Playback PGM signal of the Track No

36、.7,13,23,30,34 and 41 inthe order. And release the test mode in both mechanisms.REPEAT(J7010)Playback PGM signal of the Track No.7,13,23,30,34 and 41 inthe order. And release the test mode.CONFIRM(J9010)Release the test mode on both mechanisms.CONFIRM(J7010)Release the test mode.(TIMER PLAY SW)Check

37、 the switch position.TIMER ON , TIMER OFF(SL16/XS8 SW)Check the switch position.16BIT, 8BIT(TxD port)Check the SL16-TEXT port.TxD:H RxD:L, TxD:L RxD:HJ9010: CD-2280M or DPF-J9010.J7010: CD-2260M or DPF-J7010.INPUT KEYPROCEDUREDISPLAYCD-2260M/DPF(K) COVER( 98.4.24 10:52 PM yW 18CD-2260M/2280M/DPF-J70

38、10/J901010ADJUSTMENTNo.1ITEMFOCUS ERRORBIASINPUTSETTINGTest discType4/KTD-02OUTPUTSETTINGConnect an oscillo-scope as follows.CH1:RF (CN2-1)PLAYERSETTINGPress the PLAY/PAUSE key .Confirm that the display is 05.ALIGNMENTPOINTFE BIASVR1ALIGN FOROptimum eyepattern(a)Note:Type 4 disc :SONY YEDS-18 Test D

39、isc or equivalent.LPF : Around 47k + 390 pF or so.1. With pressing the RANDOM KEY, turn the power on to enter the test mode.2. Set the Test disc to Disc NO. 1.3. Close the door.RF signal in test mode (PLAY).Perform the tangential and focusing offset are focused intoone point on the display. The cros

40、sing points above andbelow the center shall also be looked clearly. (FE BIAS)RF signalFIG. (a)CD-2260M/DPF(K) COVER( 98.4.24 10:52 PM yW 19BEBEIC1101128111632130315010081808147151171514206061804021411120IC2IC10IC9IC8IC11IC7610511485IC13X32-3500-10 A/8 (J70-1122-11)11127E1111916117BBE51141E32182B E10

41、21516B121716ACEBD2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)11CD-2260M/DPF(K) COVER( 98.4.24 10:52 PM yW 22Refer to the schematic diagram for the value of resistors and capacitors.11116483364491732416020140EB201171521011216180816X25-

42、6060-10 (J70-1123-11)12FHJGI2135746PC BOARD (Foil side view)CD-2260M/DPF(K) COVER( 98.4.24 10:52 PM yW 21KMOQSLNPRT21357461303158415841584158415841584150IC1510081805110081315080IC1451130X32-3500-10 B/8 (J70-1122-11)X32 F/8X32 G/8X32 H/8X32 E/8X32 D/8X32 C/8EBEB11116216116113GEBEB152EBEBEBEBEBEBEBEBE

43、BBE313OPTICALOUTOUTPUTSL16XS8SYSTEMCONTROLTEXTDIGITALOUTPOWER1E31BEBEB1125614EBEBEBEBEB1BEDS13116116621121716Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)1314CD-2260M/DPF(K) 4P( 98.4.24 10:42 PM y W 2ABDFHJCEGI2135746MECHA. ASSYPICKUP (KSS-21

44、3C) T25-0055-08RELAY P.C.B.IC16SIGNALSENSOR PCBDAC BLOCKSERVOBLOCK(D40-1515-05)IC12(X32-350X-XX) (A/8)IC13IC1IC25.0V4.9V0V0V0V0V5.0V5.0V0V0V0V0V2.5V5.0V4.6V3.9V0.3V0V0V0.3V6.9V0V0V4.6V0.9V5.0V5.0V0V4.8V5.0V4.9V4.6V5.0V0V0V2.6V5.0V2.5V2.5V2.5V2.3V2.6V2.6V3.0V3.0V2.5V1.5V3.3V2.5V2.5V2.4V2.4V0V2.6V2.5V

45、2.4V2.5V2.0V2.5V2.6V2.6V2.6V3.3V0.2V7.5V5.0V6.9V2.5V2.5V2.5V3.9V3.8V3.9V3.5V4.2V3.9V3.9V3.8V4.6V3.8V3.8V3.8V3.9V-B LINE+B LINE2.6V2.5V2.0V2.0V2.0V2.0V2.0V2.0V0.9V2.4VDPF-J9010 (X32-3502-72)CD-2280M (X32-3500-11)1SS133HSS104 or:D1-5,30-33,38DTA113ZSAUN4119 or:Q272SC2003(L,K):Q262SB1417(P)2SB1640 or:Q

46、25DTA124EUAUN5112 or:Q24DTC124EUAUN5212 or:Q232SA954(L,K):Q1BA5979S:IC16LB1930M:IC13TA8409S:IC12TC74HC00AF:IC11uPD17215GT-737:IC10628128BLFP7SL5M51008BFP70LL or:IC9uPD784215GF509:IC8NJM2100M:IC7CXD2587Q:IC2CXA1571M:IC1MOTORLOADINGDRIVERCN4D39: 2SC2458(Y,GR) or2SC3311A(Q,R)Q351SS133: HSS104 orD1-5,30

47、-33:D39HZS5.1N(B2) orRD5.1ES(B2)Q35D38AVRDPF-J7010 (X32-3502-71)CD-2260M (X32-3500-10)LOAD SWUNLOAD SWLOAD/ROTALY SWDRIVER4ch BTLDISC1-9(1/2)IC7MDISC10-99DISC100-200SLT-SWSLDDMCN1CN2CN3CN5MOTORDRIVERROTARYON/OFFDISCDETECTORQ27DSPFE-BAPCRF AMP+5VQ25LDEBCADPDFQ1D1(BOTTOM VIEW)D33220K(LDM-)(LDM+)C80XAU

48、STRALIAEEUROPENOYESCN15R104DESTINATIONTABB.U.K.COUNTRYUNIT No.2-72R104CN15ABB.COUNTRYDESTINATIONUNIT No.NOYESPCANADA0-11U.S.A.KYESNOR104CN15R1R95680S3-SW37R94160KR204+-14328+C17220u10C60.022C950.056R179560KC3R180560KC960.0561KR31DIGITAL LINE53YESR104NOCN15-B+BSIGNAL LINEGND LINEABB.KPU.S.A.COUNTRYDE

49、STINATIONCANADAUNIT No.0-10XAUSTRALIAUNIT No.2-71DESTINATIONCOUNTRYABB.SW-GNDC230.01VDDVDD+C5220u6.33300PC14VDDVDD+5V+5V+7.5V+7.5V+7.5V+7.5V+7.5V+5V+5V+7.5V+7.5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5VR334.7K+5V+7.5V+7.5V+7.5V+7.5V+7.5V+7.5V+7.5V+7.5V100K585960AVDD3VSSVDDDOUT565455FILOFILIPCO51524

50、84950AVSS3ASY0ASY1BIASRFACCLTV5761LRCK63PCMDBCK6264EMPH65XVDD68XVSS67XTA066XTA1DIGITALOUTD/AINTERFACECORRECTORERRORPLLDIGITALASYMMETRYCORRECTORCLOCKGENERATORDIGITALCLV16KRAMTIMINGLOGICINTERFACESERIAL-INDEMODURATOREFM70AVDD1AOUT172LOUT171AIN17473AVSS2AVSS17675LOUT2AIN277AOUT20.01C43R3610KR3515K+-R4 6