Kenwood-DPFJ-7020-Service-Manual(1) 电路图 维修手册.pdf

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1、L R OUTPUT COAXIAL SL-16 TEXT DIGITAL OUT SYSTEM CONTROL TEXT SL16 XS 8 MULTIPLE COMPACT DISC PLAYER STANDBY DISPLAY DISC SKIP 0 PUSH OPEN RANDOM CONFIRM REPEAT 6 7 4? 200 DISC LOADING WITH TWIN PICK UP MECHANISM ON/STANDBY TIMER PLAY OFFON POWER MULTIPLE COMPACT DISC PLAYER CD-3260M/DPF-J7020 CD-32

2、80M SERVICE MANUAL 1999-2/B51-5508-00 (K/K) 2945 Knob (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 (J42-0083-0

3、5) Phono jack (E63-1079-05) Phono jack (E63-1078-05) Slide 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

4、the product relating to laser product safety. Please refer to the service manual CD-223M/DPF- J3010/CD-224M/DPF-J5010 (B51-5409-00) if need more information. Refer to CD-2260M/2280M/DPF-J7010/J9010 service manual (B51-5416-00), if you require sub micro- processor (IC3: X25) in detail. KENWOOD-Crop.

5、certifies this equipment conforms to DHHS Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM Miniature phone jack (BLK, 2.5) (E11-0360-05) Miniature phone jack (2P) (E11-0293-05) CD-3260M(K) COVER1,1( 99.

6、10.29 9:11 AM yW 2 RadioFans.CN 收音机爱 好者资料库 Audio (E30-0505-05) Battery cover (A09-0374-08) (E30-2816-05)(E30-2861-05) cord . (1)System control cord . (1) Remote (A70-1256-08) : RC-P0708.CD-3280M control unit . (1) Battery cover (A09-0374-08) Remote (A70-1257-08) : RC-P0709.CD-3260M/DPF-J7020 control

7、 unit . (1) Batteries (R6/AA) . (2) Communication cord . (1) REMOTE CONTROL UNIT RC-P0708 BEST SELECTIONRANDOMDISPLAY 324 CONFIRM ABC DEFG HIJK LMNO PQRS TUV XYZ W REPEAT 1 7685 +10 / 0 . SPACE /CHECK CHARA. /P.MODE DELETE /CLEAR +1009 DISC SELECTOR DOWNUP ( DISC SKIP LEFTRIGHT CURSOR DOWNUP CHARACT

8、ER ) 7 MODE SET ENTER 6 41 POWER ? CONTINUOUS PLAY SUB OUT MONITOR REMOTE CONTROL UNIT RC-P0709 BEST SELECTIONRANDOMDISPLAY 324 CONFIRM ABC DEFG HIJK LMNO PQRS TUV XYZ W REPEAT 1 7685 +10 / 0 . SPACE /CHECK CHARA. /P.MODE DELETE /CLEAR +1009 DISC SELECTOR DOWNUP ( DISC SKIP LEFTRIGHT CURSOR DOWNUP C

9、HARACTER ) 7 MODE SET ENTER 6 41 POWER ? CD-3260M/3280M/DPF-J7020 2 CONTENTS / ACCESSORIES CONTENTS/ACCESSORIES/CAUTIONS.2 EXTERNAL VIEW.3 CIRCUIT DESCRIPTION.4 ADJUSTMENT.10 PC BOARD .11 SCHEMATIC DIAGRAM .15 EXPLODED VIEW .26 PARTS LIST.28 SPECIFICATIONS .Back cover Contents Accessories CD-3260M(K

10、) COVER1,1( 99.10.29 9:11 AM yW 3 RadioFans.CN 收音机爱 好者资料库 CD-3260M/3280M/DPF-J7020 3 EXTERNAL VIEW STANDBY MULTIPLE COMPACT DISC PLAYER ON/STANDBY OPERATION DISC SKIP RANDOM CONFIRM DISPLAY-A DISPLAY-B CONTINUOUS PLAY DISPLAY BA TIMER PLAY OFFON 0 PUSH OPEN REPEAT 6 7 4? POWER L AB R OUTPUT SL-16 TE

11、XT SYSTEM CONTROL TEXT SL16 XS 8 DIGITAL OUT COAXIAL Knob (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 (A01-3536-08) AC power cord (E30-2883-05)

12、 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) Illustration is CD-

13、3280M. Miniature phone jack (2P) (E11-0293-05) CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 6 RadioFans.CN 收音机爱 好者资料库 CD-3260M/3280M/DPF-J7020 4 CIRCUIT DESCRIPTION LOAD_P1 UNLOAD_SW1SQCK75 SQCK LOADM+1 LOADM-1 LOADM+2 LOADM-2 LOAD_P2 LOAD_M1 SO SI DOT/QDATA 72 67 X32, IC14 X32, IC15 LOAD_M2 LOAD_SW2 U

14、NLOAD_SW2 STB1 STB2 74 71 46 63 62 58 59 47 55 56 uPD784215GF541 PERIPHERY IC RESET JOG IC RESET ENCODE_B ENCODE_A X32, IC10 X32, IC9 1421 (D7D0) SI CLK uPD17215GT -737 (REMOCON uCOM) D0D7 STB RxDO TxDO RTREN RWRREQ RTREN 11 RWRREQ 13 LDC70LASER ON/OFF RWRRWR 12 MON RMUTE 31 48ANALOG MUTE SPINDLE MO

15、TOR ON/OFF 8491 (D0D7) (A0A16) 8/16 TYPE53 548BIT/16BIT MODEL DISCRIMINATION X25, IC3 CS CE SERIAL COMMUNICATION CD-3280M only WE OE IC2X32, IC8 S1_SW CLOCK34 CDM-31 MECHA3 4 7 S3_SW S2_SW S1_SW S3_SW S2_SW DATA XLAT 36 35 DATA XLAT CLOK CLK SO SI STB 7P 4P5P6P CXD2587Q (DSP) uPD780204 (DOT DRIVER)

16、uPD780204 (DOT DRIVER) uPD780023GC512 (SUB uCOM) LED_A ON/ STANDBY LED_B POWER ON PLAY ON/OFF DISC SW D_PWM ROTARY+ 23 10 D_SENS 24 25 28 29 26 27 D_PWM SCLK SENS MUTEG 33 45 32SCLK SYSM SENS ROTARY- LOAD SW1 UNLOAD_SW1 LOAD SW1 UNLOAD_SW2 DLE_SW2 ROTALY_CW ROTALY_CCWSCOR SUBQ73 44 SQSO SCOR A1 SWA2

17、 SW P2P1 8 5 6 30 RxD1 TxD1 68 69 49 50SBUSY SDATA TxD2 RxD2 66 65 VR-2090 or VR-2080 ASTB RD WR CS 1. Main microprocessor : uPD784215GF541 (X32, IC8) 1-1 Microprocessor periphery block diagram CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 7 CD-3260M/3280M/DPF-J7020 5 CIRCUIT DESCRIPTION Pin No.Pin Name

18、I/ODescription 1A2OAddress bus of SRAM. 2NC-No connection. 3S3-SWIMechanism address detector switch. 4S2-SWIMechanism address detector switch. 5RDOSRAM read strobe. 6WROSRAM write strobe. 7S1-SWIMechanism address detector switch. 8ASTBONo connection. 9VDD-Power supply(+5V). 10+5VPULODisc sensor ON/O

19、FF. 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 to remote control microprocessor. 22TEST-GND. 23DISC-SWIDisc sensor. 24ROTARY-CWOMechanism rotar

20、y motor(+). H:CCW 25ROTARY-CCWOMechanism rotary motor(-). H:CW 26LOADM+1OLoading motor(+) for main pickup. 27LOADM-1OLoading motor(-) for main pickup. 28LOAD-SW1ILoading switch for main pickup. 29UNLOAD-SW1IUnloading switch for main pickup. 30CSOChip selector 31MONOControl port of poor focus works.

21、32SCLKOSens serial data read clock. 33SENSISENS signal input. 34CLOCKOSerial data clock. 35XLATOCXD2587Q latch. H : latch 36DATAOSerial data output. 37VDD-Power supply(+5V). 38,39X1,2-Main system clock(12.5MHz). 40VSS-GND. 41XT2-No connection. 42XT1IGND. 43RESETISystem reset signal input. 44SCORISub

22、 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/OSerial busy signal I/O. 51AVDD-Power supply(+5V). 52AVREF-A/D reference

23、power supply. 53A/D0IModel selector. 548/16I8/16 bit selector. H:16bit. 55JOG2IEncoder signal A input. 1-2 Microprocessor pin description (X32, IC8) :UPD784215GF541 CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 10 CD-3260M/3280M/DPF-J7020 6 CIRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 56JOG1IEncode

24、r 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(-) for sub pickup(CD-3280M only). 63LOADM+2OLoad motor

25、(+) 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 from sub u-com(CD-3280M only). 69TXD1OUART c

26、ommunication 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 clock. 76-83A16,14,12,7-3OAddress o

27、utput 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 *OPERATION 3.3V-RANDOM 2.5V-CONFIRM 1.6V-REPEAT*CONT.P 0.8VDOWN*DISP.PLAY/PAUSE 0VUPPOWERSTOP * CD-3280M only 1-3 Key matrix

28、( ) : IC14 Pin No. CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 11 CD-3260M/3280M/DPF-J7020 7 CIRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 1VDD-Power supply(+5V) 2,3NC-No connection. 4STANDBY *LED-DOStandby LED control. * No connection. 5LED-MOMain LED control. *No connection. 6LED-SOSub LED contr

29、ol. *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 connec

30、tion. 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 con

31、nection. 48-52P1-5OFL 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. 2

32、G-16G(5-6 to 1-6). 75-78P25-22OFL 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

33、-1GOFL control output. 8G-1G. 2. FL Microprocessor : UPD 780204-038 (X32-IC14,15) IC15 (CD-3280M only) Pin description * IC15 CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 14 CD-3260M/3280M/DPF-J7020 8 CIRCUIT DESCRIPTION INPUT KEYPROCEDUREDISPLAY Insert the AC plug toINITIAL CONDITIONMECHA. INITIAL the

34、 wall outlet with Disc No.1 moves to the 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, NG Insert the AC plug toCIRCUIT ADJUSTMENTTEST ON the wall outl

35、et with Open the door and load the disc to 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:XX alternately by the PLAY key. STOPStop the function.00 UPThe pick

36、up travels outwards.MOTOR FORWARD DOWNThe pickup travels inwards.MOTOR REVERSE RANDOMShows the result of self-adjustment. 07 EF/FB07 XXX:XXX 08 TG/FG08 XXX:XXX 09 FE/RF09 XXX:XXX 10 TE/VC10 XXX:XXX Mode changes alternately by the RANDOM key.NG: blinking DISPLAY- shows Niagara mode POWERCheck the tra

37、nsmission signal(Disc No.1 and Track No.99) of the remote controller. *DPF-J7020 only REPEATPlayback 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

38、 the switch position.16BIT, 8BIT Insert the AC plug to theCHECK 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.

39、the RANDOM key. PLAY/PAUSE Change the mode 05(tracking-on) and 03(tracking-off) 05 XX:XX 03X:XX alternately by the PLAY key. STOPStop the function. Shows the result of self-adjustment. 07 EF/FB07 XXX:XXX 08 TG/FG08 XXX:XXX 09 FE/RF09 XXX:XXX 10 TE/VC10 XXX:XXX Mode changes alternately by the STOP ke

40、y.NG: blinking 3. Test mode CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 15 CD-3260M/3280M/DPF-J7020 9 CIRCUIT DESCRIPTION INPUT KEYPROCEDUREDISPLAY UPArm Motor Load operation.MOTOR LOAD DOWNArm Motor Unload operation.MOTOR UNLOAD RANDOMRotary Motor Clockwise turning.MOTOR CW DISPLAYRotary Motor Counte

41、rclockwise turning.MOTOR CCW POWERCheck the transmission signal(Disc No.1 and Track No.99) of the remote controller. *DPF-J7020 only REPEATPlayback 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.T

42、IMER ON , TIMER OFF (SL16/XS8 SW)Check the switch position.16BIT, 8BIT DISPLAYERROR CONTENTS MECHA ERROR 01No input of S3. The original position error of Disc Number. MECHA ERROR 02No input of S2. The turning direction error to counterclockwise MECHA ERROR 03No input of S1. The turning direction err

43、or to clockwise MECHA ERROR 04No input of main load sw. MECHA ERROR 05No input of main unload sw. 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 code S1-3:Mechanism address detec

44、tor switch. There are load and unload switches in the main pickup. S3 S2 SENSOR PCB S1 DISC 19 S2 DISC 1099 S3 DISC 100200 S1 CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 18 CD-3260M/3280M/DPF-J7020 10 ADJUSTMENT No. 1 ITEM FOCUS ERROR BIAS INPUT SETTING Test disc Type4 /KTD-02 OUTPUT SETTING Connect a

45、n oscillo- scope as follows. CH1:RF(* X25, CN2-1 X32, CN2-1) *CD-3280M PLAYER SETTING Press the PLAY /PAUSE key . Confirm that the display is 05. ALIGNMENT POINT FE BIAS VR1 ALIGN FOR Optimum eye pattern FIG. (d) Note: Type 4 disc :SONY YEDS-18 Test Disc or equivalent. LPF : Around 47k + 390 pF or s

46、o. 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 mode (PLAY). Perform the tangential and focusing offset are focused into one point on the display. The crossing points above and below the center sha

47、ll also be looked clearly. (FE BIAS) RF signal FIG. (d) CD-3260M(K) COVER1,1( 99.10.29 9:11 AM yW 19 11 ACEBD 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD (Component side view) SUB-CIRCUIT UNIT 1 1 1 16 48 33 64 49 17 32 41 60 20 1 40 E B 20 1 17 15 2 10 11 21 61 80 8 16 X25-6060-11 pcb 1p 99.10.29 8:58 AM y W 1 12 FGIHJ 2 1 3 5 7 4 6 PC BOARD (Component side view) CD PLAYER UNIT IC13 IC7 IC2 IC1 IC8 Q24 Q23 IC9IC10 IC11 R31 C6 C70 C69 R109 R147 C23 R4 R3 C4 R2 R5 R1 R6 R14 R12 R13 C24 R30 C78 C79 R29