Kenwood-CD425M-cd-sm 电路图 维修手册.pdf

《Kenwood-CD425M-cd-sm 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Kenwood-CD425M-cd-sm 电路图 维修手册.pdf（19页珍藏版）》请在收音机爱好者资料库上搜索。

1、70% MULTIPLE COMPACT DISC PLAYER CD-425M/4260M/4700M SERVICE MANUAL 2000-3/B51-5610-00 (K/K) 3037 DPF-J6030 Front glass (B10-3558-18) Front glass (B10-3559-08) Dressing panel * (A21-) Knob (K29-7717-18) Dressing panel (A21-3813-08) Panel (A29-1081-18) Knob (K29-7716-18) Panel (A60-1753-38) Pin jack

2、(E63-1078-05) Power cord bushing (J42-0083-05) AC power cord (E30-2883-05) Miniature phone jack (E11-0293-05) Front glass (B10-3557-08) Dressing panel (A21-3815-08) Rectangular receptacle (E58-0024-05) Metallic cabinet * (A01-) Miniature phone jack (E11-0360-05) * Illustration is CD-4260M/4700M. * R

3、efer to parts list on page 18. Oscillating module (W02-1114-15) In compliance with Federal Regulations, following are reproduction of labels on, or inside the porduct relating to laser product safety. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1,

4、Sub- chapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM. Refer to CD-223M/DPF-J3010 service manual (B51-5409- 00) if require the following items in detail. 1) Mechanism operation description. 2) Disassembly for repair. RadioFans.CN 收音机爱 好者资料库 Audio (E

5、30-0505-05)(E30-2816-05)(E30-2861-05) cord . (2)System control cord . (1) Batteries (R6/AA) . (4) Communication cord . (1) REMOTE CONTROL UNIT RC-KB2 REMOTE CONTROL UNIT RC-P0714 TUV XYZ W / . ( ) MODE SET SELECTOR DISC DELETE /CLEAR SPACECHARAC. /CHECK/P.MODE RANDOMSELECTONDISPLAY CONFIRM ABC DEFG

6、REPEAT BEST POWER 324 HJK LMNO P QRS 1 7685 +100+1009 7 ENTER 6 41 DISC SKIP DOWNUP CURSORCHARACTER DOWNUPLEFTRIGHT I Remote control units . (2) (A70-1326-05): RC-KB2 Battery cover (A09-1176-08) (A70-1336-18): RC-P0714 Battery cover (A09-0374-08) To reset the registered contents The registered conte

7、nts for title, music type, user file, best se- lection and DTS disc can be reset by the following procedure. Operation to reset The 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 fact

8、or. In this case, execute the following method to reset the microcomputer and return it to normal condition. Unplug the power cord from the power socket and plug the power cord into the socket again. Unplug the power cord from the power socket, and while holding the 7 key depressed, plug the power c

9、ord into the socket again. CD-425M/4260M/4700M/DPF-J6030 2 CONTENTS / ACCESSORIES / CAUTIONS EXTERNAL VIEW CONTENTS / ACCESSORIES / CAUTIONS. 2 EXTERNAL VIEW.2 CIRCUIT DESCRIPTION.3 ADJUSTMENT.8 PC BOARD . 9 SCHEMATIC DIAGRAM . 11 EXPLODED VIEW .15 PARTS LIST.17 SPECIFICATIONS .Back cover Contents A

10、ccessories Cautions TIMER PLAY OFFON MULTIPLE COMPACT DISC PLAYER ON/STANDBY DISPLAY DISC SKIP 0 PUSH OPEN RANDOM CONFIRM REPEAT 6 7 4 200 DISC LOADING WITH TWIN PICK UP MECHANISM STANDBY Front glass (B10-2395-08) Front glass (B10-2396-18) Dressing panel (A21-3786-08) Knob (K29-6885-38) Dressing pan

11、el * (A21-) Panel (A29-1087-08) Knob (K29-6824-18) Panel (A60-1755-18) * Illustration is CD-425M/DPF-J6030. * Refer to parts list on page 17. RadioFans.CN 收音机爱 好者资料库 CD-425M/4260M/4700M/DPF-J6030 3 CIRCUIT DESCRIPTION IC2IC6CD MECHA CXD2587QCLOCK35 CLOKS1_SW 56S1_SW (DSP)XLAT36 XLATS2_SW 28S2_SW DAT

12、A44 DATAS3_SW 27S3_SW SCLK33 SCLKD1_SW 58DISC_SW1 SENS34 SENSD2_SW 57DISC_SW2 SYSM45 MUTG SCOR46 SCORR_CW 24ROTARY+ SQCO73 SQSIR_CCW 25ROTARY- SQCK75 SCK/SQCKLOAD_SW 55LOAD_SW UNLOAD_SW 54UNLOAD_SW IC1367 SCK_SWLOAD_P 31LOADM+ uPD780232GCCLKLOAD_M 30LOADM- (DOT DRIVER)SO72 SI SI74 SO STB71 STBRESET

13、43RESET INPUT REG_ON 29PERIPHERY IC ON TIMER_SWIC RESET 63PERIPHERY IC RESET uPD784217GF501 TIMER PLAY ON/OFF SERIAL COMMUNICATION 49 SBUSY 50 SDATA REMOCOM INPUT48 REM POWER KEY47 POWER JOG 60 JOG_2 59 JOG_1 DISC SENSOR ON/OFF23 PWM LASER ON/OFF32 LDC SPINDLE MOTOR ON/OFF26 MON DOOR OPEN/CLOSE70 DO

14、OR_SW PROTECTION53 PROTECT IC10 ANALOG MUTE10 RMUTE 8491 (AD0AD7) CY62128L-70SC (SRAM) 7683,9298 (A0A14) RD 5OE WR 6WE CS 7CS 1. Main Microprocessor : uPD784217GF501 Microprocessor periphery block diagram PORT A/D 0(IC13,22pin)A/D 1(IC13,21pin) VOLTAGERESISTER 2.9V5.1KRANDOMREPEAT 2.0V3KDISPLAYCONFI

15、RM 1.2V2KSTOPDOWN 0.4VSHORTPLAYUP 2. Key matrix RadioFans.CN 收音机爱 好者资料库 CD-425M/4260M/4700M/DPF-J6030 4 CIRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 1A16(1M)ONo used. 2A17ONo connection. 3SCLONo connection. 4SDAI/ONo connection. 5RDOSRAM read strobe. 6WROSRAM write strobe 7CEOChip selector 8AST

16、B(CE)ONo connection. 9VDD-Power supply(+5V). 10RMUTEOAnalog muting signal output. 11RWRRONo connection. 12RWRINo connection. 13RTRNINo connection. 14-21L-D7-D0ONo connection. 22VPP-GND. 23+5VPWMODisc sensor ON/OFF. L:on 24R-M-CWOMechanism rotary motor(+). H:CCW 25R-M-CCWOMechanism rotary motor(-). H

17、:CW 26MONOControl port of poor focus works. 27S3-SWIMechanism address detector switch. 28S2-SWIMechanism address detector switch. 29REG-ONOPower ON/OFF control. 30LOADM- (IN2)OLoading motor(-) for main pickup. 31LOADM+ (IN1)OLoading motor(+) for main pickup. 32LDCOLaser on/off. L: Laser diode on. 33

18、SCLKOSens serial data read clock. 34SENSISENS signal input. 35CLKOSerial data clock. 36XLATOCXD2587Q latch. H L:latch 37VDD-Power supply(+5V). 38,39X1,2-Main system clock(12.5MHz). 40VSS-GND. 41XT2-No connection. 42XT1IGND. 43RESETISystem reset signal input. 44DATAOSerial data output. 45MUTEG(SYSTEM

19、)OSystem muting control output. 46SCORISub code synchro detection. 47POWERIPower key input terminal. 48REMIRemote control signal input. 49SBUSYI/OSerial busy signal I/O. 50SDATAI/OSerial data signal I/O. 51AVDD-Power supply(+5V). 52AVREF-A/D reference power supply. 53PROTECTIDetection signal input o

20、f protection. 54UNLOAD-SW1IUnloading switch for main pickup. 55LOAD-SW1ILoading switch for main pickup. 56S1-SWIMechanism address detector switch. 57DISC-SW2IDisc2 sensor input. 58DISC-SWIDisc sensor. 59JOG2IEncoder signal input. 60JOG1IEncoder signal input. 3. Microprocessor pin description (X32, I

21、C6) :UPD784217GF501 Pin No.Pin NameI/ODescription 61AVSS-GND. 62LEDOSTANDBY LED control terminal. 63ICRESETOIC reset. 64AVREF1-D/A reference power supply. 65RXD-232CINo connection. 66TXD-232CONo connection. 67SQCK/SCK-SWOSQCK,SCK(DOT/DSP clock) selector. L:DSP. 68RXD-RINo connection. 69TXD-RONo conn

22、ection. 70DOOR-SWIDoor open/close detector switch. 71STB1OStrobe signal output to dot driver. 72S1OData output to dot driver. 73SQS1ISub code read data input. 74S0IData input from dot driver. 75SCK/SQCKODot driver/sub code read clock. 76-83A0A7OAddress output to SRAM. 84-91D0-7I/OSRAM data bus. 92-9

23、8A8A14OAddress output to SRAM. 99A15(1M)ONo used. 100VSS-GND. Pin No.Pin NameI/ODescription 1VDD-Power supply(+5V) 2VSS-GND. 3,4X1,2-Main system clock.(5MHz). 5VPP-GND. 6RESETI System reset input. 7SCKI Serial clock. 8SII Data input. 9SOOData output. 10POW-P I/OTimer sw on input. . 11LED-AONo used.

24、12LED-BONo used. 13STANDBY ONo used. 14NC-No used. 15STBI Strobe signal input. 16REMI No used. 17NC-No used. 18AVSS-GND. 19,20A/D3,A/D2-GND. 21,22A/D1,A/D0I Key return signal input(1,0). 23VSS-GND. 24,25AVDD/VDD-Power supply(+5V) 26NC-No connection. 27-43P1-P17OFL control output. 1G(38),2G-16G(P1to

25、P17). 44-58P21-35OFL control output. 2G-16G(P21to P35). 59VDD-Power supply(+5V) 60VLOAD-Negative power supply(-37.5V) 61-63P18-P20OFL control output. 2G-16G(P18 to P20). 64NC-No connection. 65-721G-8GOFL control output.1G-8G. 73-809G-16GOFL control output.9G-16G. 4. FL Microprocessor : UPD 780232GC-

26、012 (X32-IC13) Pin description 5 CIRCUIT DESCRIPTION CD-425M/4260M/4700M/DPF-J6030 INPUT KEYPROCEDUREDISPLAY Insert the AC plug toINITIAL CONDITIONMECHA. INITIAL the 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.INITI

27、AL 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 outlet with Open the door and load the disc to the Disc No.1. pressing the REPEAT Close the door. The unit changes to test mode 05 . keyafter

28、clamping the disc PLAY/PAUSE Change the mode 05(tracking-on) and 03(tracking-off) alternately .05 XX:XX 03 XX:XX by the PLAY key STOPStop the function.00 UPThe pickup travels outwards.MOTOR FORWARD DOWNThe pickup travels inwards.MOTOR REVERSE RANDOMShows the result of self-adjustment. 07 EF/FB07 XXX

29、: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 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 O

30、N , TIMER OFF Insert the AC plug CHECK THE MECHANISM JAMMING. to the wall outlet with Clamp the Disc No1,2,100,50,200 and 199 in the order. pressing the UP key. Insert the AC plug THE MECHANISM TEST MODE. to the wall outlet with Display shows Niagara until pressing any keys. pressing the RANDOM key.

31、 PLAY/PAUSE Change the mode 05(tracking-on) and 03(tracking-off) alternately05 XX:XX 03X:XX 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 key.NG: blinking U

32、PArm Motor Load operation.MOTOR LOAD DOWNArm Motor Unload operation.MOTOR UNLOAD RANDOMRotary Motor Clockwise turning.MOTOR CW DISPLAYRotary Motor Counterclockwise turning.MOTOR CCW REPEATPlayback PGM signal of the Track No.1,23 and 41 in the order.And release the test mode. CONFIRMRelease the test

33、mode. (TIMER PLAY SW)Check the switch position.TIMER ON , TIMER OFF 5. Test mode 6 CIRCUIT DESCRIPTION CD-425M/4260M/4700M/DPF-J6030 7 CD-425M/4260M/4700M/DPF-J6030 CIRCUIT DESCRIPTION DISPLAYERROR CONTENTS MECHA ERROR 01No input of S3. The original position error of Disc Number. MECHA ERROR 02No in

34、put of S2. The turning direction error to counterclockwise MECHA ERROR 03No input of S1. The turning direction error to clockwise MECHA ERROR 04No input of main load sw. MECHA ERROR 05No input of main unload sw. MECHA ERROR 08No backed up(AC power cord has disconnected). 6. Error code S1-3:Mechanism

35、 address detector 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 8 CD-425M/4260M/4700M/DPF-J6030 ADJUSTMENT No. 1 ITEM FOCUS ERROR BIAS INPUT SETTING Test disc Type4 /KTD-02 OUTPUT SETTING Connect an oscillo- scope as follows

36、. CH1:RF (CN2-1) 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) 2 LASER CURRENT CHECK Test disc Type4 Connect the DC volt- meter to LASER CURRENT CHECK LAND on X32. Press the PLAY /PAUSE key to check that

37、the dis- play is 03 or 05. -0.50.2V 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 mode (PLAY). Perform the t

38、angential and focusing offset are focused into one point on the display. The crossing points above and below the center shall also be looked clearly. (FE BIAS) RF signal FIG. (d) ACEGIBDFHJ 2 1 3 5 7 4 6 SERVO.DSP. CD-TEXT.DAC -DRIVER ROTLY LCD-uCOM MAIN-uCOM SRAM(1M) SRAM(256K) 232C-uCOM FL-uCOM RF

39、-AMP L.P.F. 20 1 2815 31 80 1 14 610 14 41 4 C34 C76 R130 R58 C75 R60 C35 C33 R64 R56R62 R63 R61 R93C16 C58C59 C57 R90 R92 R91 R89 R94 L3 L4 C62 C61 R98 R96 R95 R97 C60 C40 R65 C12 R22 R25 C14 R34 R19R18 C7 C9 R17 C10 C23 R21 R20 R129 R131 R126 C22 R74R73 R154 R155 R88 R86 C68 C70 1 (3)SCK (1)SI (8)

40、GND(7)+5V (2)SO R118 (4)VPP (5)RST R119 (6)X1 140 41 R24 R26 C24 R149 R156 R124 C71 C73 R120 R121 R127 C67 R110 R108 R109 C64 R104 R103 R102 R105 R116 R117 C92 C91 81 C56 R100 R16 R15 R9 R8 R10 R11 R7 R157 1 20 R33 C21 R70 C42 R23 C11 C13 C8 R29 C20 R52 C30 R46 R50 R54 R44 R49 C29 R45 C27 R39 R37 R4

41、1 R43 85 R53 R125 C49 C4R13 LD CURRENT-CHECK R51 R101 R107 R106 R30 R77 R78 R76 R80 R79 R71 R1 R6 1 21 40 1 80 1 61 41 40 C78 R152 60 15 C86 R150 R151 C83 C82C84 C85 R115 R81 R83 R82 R68 R69 R123 C63 R38 R42 C28 R40 R122 R84 C79 C80 R32 R31 R114 20 21 6061 80 1630 2021 1001 30 51 50 15 85 10 11 80 6

42、061 1 R148 R147 R144 R145 R141 R142 R143 R139 R140 R139 R137 R135 R134 R133 C19 C18 C93 C15 R132 R87 R85 R14 R75 R72 R59 R57R55 R138 R146 16 14 15 1732 28 IC2 IC7 IC8 IC12 IC6 IC9 IC10 IC16 IC15 IC13 IC1 IC3 T R G T G R RANDOM 4 1 1 DOWN UP REPEAT DOOR-SW POWER STANDBY 4 1 Rch Lch uCOM-F SQCK uCOM-F

43、 A(JOG2) B(JOG1) NC C(GND) VPP FITITOFO DOSOSIDI 12.5MHz 3.64MHz 4ch-DRIVER uCOM-F uCOM-F uCOM-F 3 +7.5V MON SQCK/SCK-SW RXD-R TXD-R IC-RST RXD-232C TXD-232C LMUT RMUTERMUTE +7.5V GND +7.5V GND GND RF GND +5V -36V VC FE TE VC TRO+ TRO- FCO- FCO+ REG-ON(F) -36V F1 F2 GND DISC-SW1 DISC-SW2 VPP RST SLT

44、-SW GND DISC-SW1 DISC-SW2 S1-SW LOAD-SW UNLOAD-SW E -ROM POWER-ON-PLAY-SW OFF ON PLAY/PAUSE STOP CONFIRMDISPLAY VPP X1 GND GND REG-ON +7.5V GND REM LED uCOM-F F1 U+5V U+5V GND +5V +7.5V uCOM-F SQSO +5V SQCK +5V +5V U+5V A15 CE(CSRAM) RD(OE) WR8WE) SRAM+5V LCD U+5V GND +5V SRAM+5V GND +7.5V +5V +7.5V

45、 +5V U+5V +5V +5V FE-BIAS SCOR VC RF VC EI VC GND REG-B REG-O GND u+5V +B GND GND +5V GND PD 3 1 DOUT +5V GND GND +5V REG-ON POW-ON-P POWER E RST GND RST LOADM+ GND GND X1 SQCK SQSO GND VPP +5V GND SRAM+5V 11.0592MHz RD -36V +5V +5V +5V +5V +5V +5V 5MHz -36V GND +5V GND +5V +5V MDP +5V F1 A GND +5V

46、+5V +5V U+5V SBUST SDATA RMUTE PROTECT +B 16.9344MHz VR1 W210 W150 W163 W154 C17 C32 C31 C81 C77 C48 C3 C45 C6 C55 C44 C47 C46 C1 C52 C69 C53 C65 C66 C50 C25C26 C2 C5 C37 C36 R66 L5 C87 C88 W21 C72 C74 W167 W165 W166 L6 W206 L1 W161 W160 W159 W158 W157 W162 W164 W202 W156 W155 W201 W203 W128 C51 W20

47、5 W204 W153 W151 W208 W207 W96 W67 W87 W39 W97 W110 W6 W2 W27 W88 W95 W111 W16 W61 W90 W12 W44 W46 W45 W43 W42 W40 W28 W101 W18 W20 W8 W9 W10 W15 W1 W11 W7 W5 W13W14 W4W3 W17 W34 W36 W37 W38 W86 W31 W32 W53 W59 W49 W33 W35 W68 W116 W70 W100 W64 W55 W71 W115 W113 W112 W114 W109 W117 W119 W118 W123 W1

48、27 W120 W125 W108 W41 W126 W99 W98 W103 W102 W121 W107 W106 W25 W105 W47 W29 W80 W82 W83 W84 W89 W91 W93 W94 W92 W78 W69 W65 W75 W52 W50 W58 W30 W22 W26 W23 W19 W54 W62 W73 W76 W79 W85 W66 W60 W77 W56 W74 W81 W57 W63 W72 W152 W122 W124 A16 W104 W211 W51 W48 DISC SKIP X4 A/D2 A/D1 CP5 CP2 CP3 CP1 CP4 X1 X2 X3 C54 C39 C41 P1 X5 1 6 5 9 2 23 23 1 2 55 56 18 19 2 1 13 2 1 1 3 1