Kenwood-DPFJ7020-cd-sm 维修电路原理图.pdf

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1、LROUTPUTCOAXIALSL-16TEXTDIGITALOUTSYSTEMCONTROLTEXTSL16 XS 8MULTIPLE COMPACT DISC PLAYERSTANDBYDISPLAYDISC SKIP0PUSH OPENRANDOMCONFIRMREPEAT674?200 DISC LOADING WITH TWIN PICK UP MECHANISMON/STANDBYTIMER PLAYOFFONPOWERMULTIPLE COMPACT DISC PLAYERCD-3260M/DPF-J7020CD-3280MSERVICE MANUAL 1999-2/B51-55

2、08-00 (K/K) 2945Knob(K29-6884-18)Dressing panel(A21-3738-08)Front glass(B10-2395-08)Panel(A29-0897-18)Front glass(B10-2405-28)Knob(K29-6803-08)Indicator(B12-0326-04)Metallic cabinet(A01-3536-08)AC power cord(E30-2883-05)Power cord bushing(J42-0083-05)Phono jack(E63-1079-05)Phono jack(E63-1078-05)Sli

3、de switch(S31-2132-05)Rear cover(A46-0305-08)Dressing panel(A21-3616-18)Front glass(B10-2396-18)Panel(A60-1259-18)Illustration is CD-3260M.In compliance with Federal Regulations, following are reproduc-tions of labels on, or inside the product relating to laser productsafety.Please refer to the serv

4、ice manual CD-223M/DPF-J3010/CD-224M/DPF-J5010 (B51-5409-00) if need moreinformation.Refer to CD-2260M/2280M/DPF-J7010/J9010 servicemanual (B51-5416-00), if you require sub micro-processor (IC3: X25) in detail.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 DFR 1040. 10, Ch

5、apter 1, Subchapter J.DANGER : Laser radiation when open and interlock defeated.AVOID DIRECT EXPOSURE TO BEAMMiniature phone jack (BLK, 2.5)(E11-0360-05)Miniature phone jack (2P)(E11-0293-05)CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 2RadioFans.CN 收音机爱 好者资料库Audio (E30-0505-05)Battery cover (A09-0374-

6、08)(E30-2816-05)(E30-2861-05)cord . (1)System control cord . (1)Remote (A70-1256-08) : RC-P0708.CD-3280Mcontrol unit . (1)Battery cover (A09-0374-08)Remote (A70-1257-08) : RC-P0709.CD-3260M/DPF-J7020control unit . (1)Batteries (R6/AA) . (2)Communication cord . (1)REMOTE CONTROL UNITRC-P0708BESTSELEC

7、TIONRANDOMDISPLAY324CONFIRMABCDEFGHIJKLMNOPQRSTUVXYZWREPEAT17685+10/0.SPACE/CHECKCHARA./P.MODEDELETE/CLEAR+1009DISCSELECTORDOWNUP(DISC SKIPLEFTRIGHTCURSORDOWNUPCHARACTER)7MODESETENTER641POWER?CONTINUOUSPLAYSUB OUTMONITORREMOTE CONTROL UNITRC-P0709BESTSELECTIONRANDOMDISPLAY324CONFIRMABCDEFGHIJKLMNOPQ

8、RSTUVXYZWREPEAT17685+10/0.SPACE/CHECKCHARA./P.MODEDELETE/CLEAR+1009DISCSELECTORDOWNUP(DISC SKIPLEFTRIGHTCURSORDOWNUPCHARACTER)7MODESETENTER641POWER?CD-3260M/3280M/DPF-J70202CONTENTS / ACCESSORIESCONTENTS/ACCESSORIES/CAUTIONS.2EXTERNAL VIEW.3CIRCUIT DESCRIPTION.4ADJUSTMENT.10PC BOARD .11SCHEMATIC DIA

9、GRAM .15EXPLODED VIEW .26PARTS LIST.28SPECIFICATIONS .Back coverContentsAccessoriesCD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 3RadioFans.CN 收音机爱 好者资料库CD-3260M/3280M/DPF-J70203EXTERNAL VIEWSTANDBYMULTIPLE COMPACT DISC PLAYERON/STANDBYOPERATIONDISC SKIPRANDOMCONFIRMDISPLAY-ADISPLAY-BCONTINUOUS PLAYDISP

10、LAYBATIMER PLAYOFFON0PUSH OPENREPEAT674?POWERLABROUTPUTSL-16TEXTSYSTEMCONTROLTEXTSL16 XS 8DIGITALOUTCOAXIALKnob(K29-6884-18)Dressing panel(A21-3737-08)Front glass(B10-2395-08)Panel(A29-0890-18)Front glass(B10-2405-28)Knob(K29-6803-08)Indicator(B12-0326-04)Front glass(B10-2456-08)Metallic cabinet(A01

11、-3536-08)AC power cord(E30-2883-05)Miniature phone jack (BLK, 2.5)(E11-0360-05)Phono jack(E63-1079-05)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(A60-1255-18)Illus

12、tration is CD-3280M.Miniature phone jack (2P)(E11-0293-05)CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 6CD-3260M/3280M/DPF-J70204CIRCUIT DESCRIPTIONLOAD_P1UNLOAD_SW1SQCK75SQCKLOADM+1LOADM-1LOADM+2LOADM-2LOAD_P2LOAD_M1SOSIDOT/QDATA7267X32, IC14X32, IC15LOAD_M2LOAD_SW2UNLOAD_SW2STB1STB2747146636258594755

13、56uPD784215GF541PERIPHERY IC RESETJOGIC RESETENCODE_BENCODE_AX32, IC10X32, IC91421(D7D0)SICLKuPD17215GT-737(REMOCONuCOM)D0D7STBRxDOTxDORTRENRWRREQRTREN 11RWRREQ 13LDC70LASER ON/OFFRWRRWR 12MONRMUTE3148ANALOG MUTESPINDLE MOTOR ON/OFF8491(D0D7)(A0A16)8/16TYPE53548BIT/16BITMODEL DISCRIMINATIONX25, IC3C

14、SCESERIALCOMMUNICATIONCD-3280M onlyWEOEIC2X32, IC8S1_SWCLOCK34CDM-31MECHA347S3_SWS2_SWS1_SWS3_SWS2_SWDATAXLAT3635DATAXLATCLOKCLKSOSISTB7P 4P5P6PCXD2587Q (DSP)uPD780204(DOT DRIVER)uPD780204(DOT DRIVER)uPD780023GC512(SUB uCOM)LED_AON/STANDBYLED_BPOWER ONPLAY ON/OFFDISC SWD_PWMROTARY+2310D_SENS24252829

15、2627D_PWMSCLKSENSMUTEG334532SCLKSYSMSENSROTARY-LOAD SW1UNLOAD_SW1LOAD SW1UNLOAD_SW2DLE_SW2ROTALY_CWROTALY_CCWSCORSUBQ7344SQSOSCORA1 SWA2 SWP2P185630RxD1TxD168694950SBUSYSDATATxD2RxD26665VR-2090 or VR-2080ASTBRDWRCS1. Main microprocessor : uPD784215GF541 (X32, IC8)1-1 Microprocessor periphery block d

16、iagramCD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 7CD-3260M/3280M/DPF-J70205CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription1A2OAddress bus of SRAM.2NC-No connection.3S3-SWIMechanism address detector switch.4S2-SWIMechanism address detector switch.5RDOSRAM read strobe.6WROSRAM write strobe.7S1-SWIMech

17、anism address detector switch.8ASTBONo connection.9VDD-Power supply(+5V).10+5VPULODisc sensor ON/OFF. L:on 11RTRNITX permission data to remote control microprocessor.12RWRIReading data of remote control microprocessor.13RWRROTX request data to remote control microprocessor.14-21L-D7-D0OData output t

18、o remote control microprocessor.22TEST-GND.23DISC-SWIDisc sensor.24ROTARY-CWOMechanism rotary motor(+). H:CCW25ROTARY-CCWOMechanism rotary motor(-). H:CW26LOADM+1OLoading motor(+) for main pickup.27LOADM-1OLoading motor(-) for main pickup.28LOAD-SW1ILoading switch for main pickup.29UNLOAD-SW1IUnload

19、ing switch for main pickup.30CSOChip selector31MONOControl port of poor focus works.32SCLKOSens serial data read clock.33SENSISENS signal input.34CLOCKOSerial data clock.35XLATOCXD2587Q latch. H : latch36DATAOSerial data output.37VDD-Power supply(+5V).38,39X1,2-Main system clock(12.5MHz).40VSS-GND.4

20、1XT2-No connection.42XT1IGND.43RESETISystem reset signal input.44SCORISub code synchro detection.45MUTEGOMuting control output. H:muting on.46STB2OStrobe signal output to dot driver2(CD-3280M only).47ICRESETOIC reset.48SYSMOAnalog muting. L: Muting on.49SDATAI/OSerial data signal I/O.50SBUSYI/OSeria

21、l busy signal I/O.51AVDD-Power supply(+5V).52AVREF-A/D reference power supply.53A/D0IModel selector.548/16I8/16 bit selector. H:16bit.55JOG2IEncoder signal A input.1-2 Microprocessor pin description (X32, IC8) :UPD784215GF541CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 10CD-3260M/3280M/DPF-J70206CIRCUI

22、T DESCRIPTIONPin No.Pin NameI/ODescription56JOG1IEncoder signal B input.57DOOR-SWIDoor open/close detector switch.58LOAD-SW2ILoad switch2 for sub pickup(CD-3280M only).59UNLOAD-SW2IUnload switch2 for sub pickup(CD-3280Monly).60DISC-SW2IDisc2 sensor(CD-3280M only).61VSS-GND.62LOADM-2OLoad motor(-) fo

23、r sub pickup(CD-3280M only).63LOADM+2OLoad motor(+) for sub pickup(CD-3280M only).64AVREF1-D/A reference power supply.65RXD2IUART communication input(CD-3280M only).66TXD2OUART communication output(CD-3280M only).67SQCK/SCK-SWOSQCK,SCK(DOT/DSP clock) selector. L:DSP.68RXD1IUART communication input f

24、rom sub u-com(CD-3280M only).69TXD1OUART communication output to sub u-com(CD-3280M only).70LDCOLaser on/off. L: Laser diode on.71STB1OStrobe signal output to dot driver.72S0IData input from dot driver.73SQS1ISub code read data input.74S1OData output to dot driver.75SCK/SQCKODot driver/sub code read

25、 clock.76-83A16,14,12,7-3OAddress output to SRAM.84-91D0-7I/OSRAM data bus.92-97A8-11,13,15OAddress output to SRAM.98,99A0,1OAddress output to SRAM.100VSS-GND.VOLTAGEA/D0(33)A/D1(32)A/D2(31)4.1V-DISPLAY*OPERATION3.3V-RANDOM2.5V-CONFIRM1.6V-REPEAT*CONT.P0.8VDOWN*DISP.PLAY/PAUSE0VUPPOWERSTOP* CD-3280M

26、 only1-3 Key matrix ( ) : IC14 Pin No.CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 11CD-3260M/3280M/DPF-J70207CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription1VDD-Power supply(+5V)2,3NC-No connection.4STANDBY *LED-DOStandby LED control. * No connection.5LED-MOMain LED control. *No connection.6LED-SOSub

27、 LED control. *No connection.7POW-P *STANDBYI/OTimer sw on input. *No connection.8,9NCNo connection.10RESETI System reset input.11,12X1,2-Main system clock.(5MHz).13VSS-GND.14XT2-No connection.15XT1I GND.16VDD-Power supply(+5V)17SCKI Serial clock.18SOOData output.19SII Data input.20-24NC-No connecti

28、on.25AVSS-GND.26-30A/D7-A/D3-GND.31-33A/D2-A/D0I Key return signal input(2-0).34AVDD-A/D analog power supply.35AVREF-A/D reference power supply.36,37VSS-GND.38REMI Remote control input.39STB1 * STB2I Strobe signal input.40VSS-GND.41-45NC-No connection.46VDD-Power supply(+5V)47NC-No connection.48-52P

29、1-5OFL control output. 1G(38),2G-16G(1-1 to 5-1).53-57P6-10OFL control output. 2G-16G(1-2 to 5-2).58-62P11-15OFL control output. 2G-16G(1-3 to 5-3).63,64P16,17OFL control output. 2G-16G(1-4 to 2-4).65-69P35-31OFL control output. 2G-16G(5-7 to 1-7).70-74P30-26OFL control output. 2G-16G(5-6 to 1-6).75

30、-78P25-22OFL control output. 2G-16G(5-5 to 2-5).79VLOAD-Negative power supply(-37.5V)80P21OFL control output. 2G-16G(1-5).81,82P20,19OFL control output. 2G-16G(5-4 ,4-4).83NC-No connection.84P18OFL control output. 2G-16G(3-4).85-929G-16GOFL control output. 9G-16G.93-1008G-1GOFL control output. 8G-1G

31、.2. FL Microprocessor : UPD 780204-038 (X32-IC14,15) IC15 (CD-3280M only)Pin description* IC15CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 14CD-3260M/3280M/DPF-J70208CIRCUIT DESCRIPTIONINPUT KEYPROCEDUREDISPLAYInsert the AC plug toINITIAL CONDITIONMECHA. INITIALthe wall outlet with Disc No.1 moves to t

32、he center.INITIAL OK!pressing 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 ADJUSTMENTTEST ONthe wall outlet with Open the door and load the disc to

33、 the Disc No.1.pressing the REPEAT Close the door. The unit changes to test keymode05 after clamping the disc.PLAY/PAUSE Change the mode 05(tracking-on) and 03(tracking-off) 05 XX:XX 03 XX:XXalternately by the PLAY key.STOPStop the function.00UPThe pickup travels outwards.MOTOR FORWARDDOWNThe pickup

34、 travels inwards.MOTOR REVERSERANDOMShows the result of self-adjustment.07 EF/FB07 XXX:XXX08 TG/FG08 XXX:XXX09 FE/RF09 XXX:XXX10 TE/VC10 XXX:XXXMode changes alternately by the RANDOM key.NG: blinkingDISPLAY- shows Niagara modePOWERCheck the transmission signal(Disc No.1 and TrackNo.99) of the remote

35、 controller.*DPF-J7020 onlyREPEATPlayback PGM signal of the Track No.7,13,23,30,34 and 41 in the order. And release the test mode. CONFIRMRelease the test mode.(TIMER PLAY SW)Check the switch position.TIMER ON , TIMER OFF(SL16/XS8 SW)Check the switch position.16BIT, 8BITInsert the AC plug to theCHEC

36、K THE MECHANISM JAMMING.wall outlet with pressingClamp the Disc No1,2,100,50,200 and the UP key.199 in the order.Insert the AC plug to the THE MECHANISM TEST MODE.wall outlet with pressingDisplay shows Niagara until pressing any keys.the RANDOM key.PLAY/PAUSE Change the mode 05(tracking-on) and 03(t

37、racking-off) 05 XX:XX 03X:XXalternately by the PLAY key.STOPStop the function.Shows the result of self-adjustment.07 EF/FB07 XXX:XXX08 TG/FG08 XXX:XXX09 FE/RF09 XXX:XXX10 TE/VC10 XXX:XXXMode changes alternately by the STOP key.NG: blinking3. Test modeCD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 15CD-32

38、60M/3280M/DPF-J70209CIRCUIT DESCRIPTIONINPUT KEYPROCEDUREDISPLAYUPArm Motor Load operation.MOTOR LOADDOWNArm Motor Unload operation.MOTOR UNLOAD RANDOMRotary Motor Clockwise turning.MOTOR CWDISPLAYRotary Motor Counterclockwise turning.MOTOR CCWPOWERCheck the transmission signal(Disc No.1 and Track N

39、o.99) of the remote controller.*DPF-J7020 onlyREPEATPlayback PGM signal of the Track No.1,23 and 41 in the order.And release the test mode. CONFIRMRelease the test mode.(TIMER PLAY SW)Check the switch position.TIMER ON , TIMER OFF(SL16/XS8 SW)Check the switch position.16BIT, 8BITDISPLAYERROR CONTENT

40、SMECHA ERROR 01No input of S3. The original position error of Disc Number.MECHA ERROR 02No input of S2. The turning direction error to counterclockwiseMECHA 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

41、.MECHA ERROR 06No input of sub load sw.(CD-3280M)MECHA ERROR 07No input of sub unload sw.(CD-3280M)MECHA ERROR 08No backed up(AC power cord has disconnected).4. Error codeS1-3:Mechanism address detector switch.There are load and unload switches in the main pickup.S3S2SENSOR PCBS1 DISC 19S2 DISC 1099

42、S3 DISC 100200S1CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 18CD-3260M/3280M/DPF-J702010ADJUSTMENTNo.1ITEMFOCUS ERRORBIASINPUTSETTINGTest discType4/KTD-02OUTPUTSETTINGConnect an oscillo-scope as follows.CH1:RF(* X25, CN2-1X32, CN2-1)*CD-3280MPLAYERSETTINGPress the PLAY/PAUSE key .Confirm that the disp

43、lay is 05.ALIGNMENTPOINTFE BIASVR1ALIGN FOROptimum eyepatternFIG.(d)Note:Type 4 disc :SONY YEDS-18 Test Disc or equivalent.LPF : Around 47k + 390 pF or so.1. With pressing the REPEAT 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

44、mode (PLAY).Perform the tangential and focusing offset are focused intoone point on the display. The crossing points above andbelow the center shall also be looked clearly. (FE BIAS)RF signalFIG. (d)CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 1911ACEBD2135746Refer to the schematic diagram for the valu

45、e of resistors and capacitors.PC BOARD (Component side view)SUB-CIRCUIT UNIT11116483364491732416020140EB201171521011216180816X25-6060-11pcb 1p 99.10.29 8:58 AM y W 112FGIHJ2135746PC BOARD (Component side view)CD PLAYER UNITIC13IC7IC2IC1IC8Q24Q23IC9IC10IC11R31C6C70C69R109R147C23R4R3C4R2R5R1R6R14R12R1

46、3C24R30C78C79R29C9C10C80C8R7R180R142R95R23C16C15R25R24R17R18R19C22C12C13R22R21R20C14C95R179C96101654518C11R26R15R10R11R16C157R107R106R205C59R102C30C158C20C19R34R90R204R32R35C43R36C66R103R104C29R41R39C27R43R38R27C28R44R42R40C21R28R91R92R108R93C99R140R141R94R99R100R144R33R101R98R97R96R143R8R9110112060

47、618012021404131308081515010011714815281411732161EBE BD33D38Q35D39D1D2D32Q26Q1CN13CN15CN11CN3Q27D3D31D30IC12IC16CN4Q25CN5CN1CN2CN6D5D4X32-3500-10 A/8LOADM-1GND+5V+5VS.SFE-BIASVCVCFE2RFFE1TE2TE1CSGND+5VGND+5V+5VGND+5VGND+7.5VFCS-+5VGNDFF-40V+7.5V+5VGNDSQCKRSTSQSISTB2LCDuCOM-FRSTuCOM-FVPP+5VMON+5VDOUTu

48、COM-F+5VuCOM-F+5VSISQSIFGNDGNDGND+5VGNDF+5VGND+5VGNDSCORRESETRD OE+5VGND+5VSOSTB1GNDSLT-SWGNDRF+5VBTL LOAD4ch-BTLTRK FCSDMSLDRESET+5VVCGNDGND+5VVC16.9344MHzLCDGND-SRAM+5V-SRAM+7.5V+5V-SRAM+5VGNDTXD-RRXD-RGNDSQCK/SCK-SW+5VCSWR WEGND+5V+5V+7.5VGNDRF+7.5VC156L5W64C17W97W96W116W111W93W90W141W98W62W43W11

49、8W63W56W14W122W105W86W119W115W117W123W16W34W66W85W73W67W32W15W17W100W53W45W20W21W91W22W23W46W47W30W29W38W26W42W70W36W24W54W39W69W52W125W127W126W121W131W132W133W129W79W81W83W88W92W101W106W82W74W142W57W28W18W19W35W40W68W37W59W55W27W139W49W89W84W80W77W61W138W72W112W114W76W99W50W128W120W48C101C102W103W1

50、403.4MHzFE-B12.5MHzC3C7C54C67C18C68C1C55C56C26C2C25C58C5C53L1X1TESTVR1X2C57X3SQCK/SCK-SW91116173218121101611711211711415BEBEEBBEBERefer to the schematic diagram for the value of resistors and capacitors.pcb 1p 99.10.29 8:58 AM y W 2KMOQSLNPRT2135746Q11IC6IC4IC19IC5IC20IC15IC3Q12Q14Q13IC14C140C141C14