Kenwood-XDV252-cs-sm 电路图 维修手册.pdf

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1、MINI HiFi COMPONENT SYSTEM RXD-V252/V252-H SERVICE MANUAL 2001-10 PRINTED IN KOREA B51-5759-00 (K/K) 404 * Refer to parts list on page 27. In compliance with Federal Regulations, following are repro- duction of labels on, or inside the product relating to laser product safety. KENWOOD-Corp. certifie

2、s this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM. *Refer to page 2 if you want to know system configuration. (XD-V252)* 70% Dress ring (A21-3966-08) FRT cab assy * (A60-

3、) FL panel * (B10-) Panel(VCD) (A60-2220-08) Knob(VOLUME) (K29-8047-08) Cassette lid(R) (A21-3959-08) Phone jack (E11-0942-08) Cassette lid(L) (A21-3958-08) Jack(MIC) (E11-0953-08) RadioFans.CN 收音机爱 好者资料库 RXD-V252/V252-H 2 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS / ACCESSORIES / CAUTIONS. 2 EXTERN

4、AL VIEW.3 CIRCUIT DESCRIPTION.4 ADJUSTMENT.7 WIRING DIAGRAM.8 PC BOARD . 9 SCHEMATIC DIAGRAM . 15 EXPLODED VIEW .25 PARTS LIST.27 SPECIFICATIONS .Back cover Contents AC Plug Adaptor (1) (E03-0115-05) Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions

5、 where use is necessary.) AM Loop Antenna(1) (T90-0879-08) AA size battery(2) (UM/SUM-3, R6, HP-7 or similar) Remote Control(1) (A70-1574-08) FM Antenna(1) (T90-0883-08) Video Cable(1) (E30-7255-08) The marking of products using lasers (Except for some areas) The marking is located on the rear panel

6、 and says this product has been classified as Class 1. It means that there is no danger of hazard- ous radiation outside the product CLASS 1 LASER PRODUCT Accessories ModelColorM(General Market)I(Malaysia) RXD-V252Blue-I RXD-V252-HGrayMI2 System Configurations Cautions Attention Please contact our K

7、ENWOOD Service Department in your side if you want the service information; Circuit Description. Full Described Parts list and so. Information is available to you by internet from us. RESETTING THE MICROCOMPUTER Reset the microcomputer under the following con- ditions : To erase all of the stored me

8、mory contents (clock and timer settings, and tuner and CD presets). If the display is not correct. If the operation is not correct. 1Press the ON/STANDBY button to enter the standby mode. 2Whilst pressing down the 7 STOP button and the SOUND MODE button, hold down the ON/STANDBY button for at least

9、1 second. “CLEAR AL” will appear . Caution : The operation explained above will erase all data stored in memory including clock and timer set- tings, and tuner and CD presets. TRANSPORTING THE UNIT Before you move this product to a new location, proceed as follows : 1Press the ON/STANDBY button to t

10、urn the power on. 2Press the CD button. 3Press the 0 OPEN/CLOSE button to open the disc tray. Remove all CDs inserted in the unit. 4Press the 0 OPEN/CLOSE button to close the disc tray. Make sure that “NO DISC” is displayed. 5Press the ON/STANDBY button to enter the standby mode and then unplug the

11、AC power cord from the AC socket. SOUND MODE ON/ STANDBY 7 STOP ON/ STANDBY CD 0 OPEN/CLOSE RadioFans.CN 收音机爱 好者资料库 RXD-V252/V252-H 3 EXTERNAL VIEW * Refer to parts list on page 27. ANTENNA AM LOOP FM 75 VIDEO /AUX VIDEO OUT SPAN SELECTOR 230V 240V FM 50kHz AM 9kHz FM 100kHz AM 10kHz + +- - L SPEAKE

12、RS RATED SPEAKER IMPEDANCE: 6 OHMS MIN. R LR Cabinet(TOP) (A02-3014-08) AC power cord (E30-2881-08) RCA socket (E02-0021-08) Lock terminal board (E70-0151-08) FM Antenna (E70-0145-08) Slide switch (S62-0086-08) RCA socket (E63-1219-08) AC power cord bushing (J42-0338-08) RadioFans.CN 收音机爱 好者资料库 RXD-

13、V252/V252-H 4 CIRCUIT DESCRIPTION Block Diagram for MPEG1 Video/Audio Processing RAS# ProcessorLA(17:0) DRAM InterfaceDA(8:0) InterfaceLD(7:0) Huffman DBUS(15:1) LCS3#, LCS#(1:0) RISC Decoder DOU#DRAM LWR# Processor 2Kx32 ROMDWE# LOE# 2x32 SRAMCAS# ACLKAUX(7:1)AUX SerialATCLK MPEG AudioAIN Serial Au

14、dio Processor InterfaceAOUT Interface ARFS64x32 ROMYUV(7:0) ATFS32x32 SRAMPCLK2XScreen ARCLKRegistersVideo OutputPCLK VSYNC HSYNC TDMSEL-PLL(1:0) TDM InterfaceTDMCLK Interface On Screen TDMDR DisplayCPUCLKMisc TDMFS DRAM DMA RESET# Controller Port No.Port NameI/OFunction 1,31,51VCC3-Supply voltage f

15、or 3.3V. 2RAS#ODRAM row address strobe (active low). 3DWE#ODRAM write enable (active low). 412MA(08)ODRAM multiplexed row and column address bus. 1328DBUS(015)I/ODRAM data bus. 29RESET#ISystem reset (active low). 30,50,80,100GND-Ground. 3239YUV(07)O Y is luminance, UV are chrominance data bus for sc

16、reen video interface. YUV(07) for 8 bit YUV mode. 40VSYNCI/O Vertical sync for screen video interface, programmable for rising or falling edge. 41HSYNCI/O Horizontal sync for screen video interface, programmable for rising or falling edge. 42CPUCLKIRISC and system clock input. 43PCLK2XI/OPixel clock

17、: two times the actual pixel clock for screen video interface. 44PCLK I/OPixel clock qualifier in for screen video interface. 4549,52,53,54AUX(07)I/OAuxiliary control pins (AUX0 and AUX1are open collectors). 5562LD(07)I/ORISC interface data bus. 63LWR#OUnused. 64LOE#ORISC interface output enable (ac

18、tive low). 65,66,67LCS(3,1,0)#ORISC interface chip select (active low). 6879,8287LA(017)ORISC interface address bus. 81VCC-Digital supply voltage for 5.0V. 88ACLKI/O Master clock for external audio DAC(8.192MHz, 11.2896MHz, 12.288MHz, 16.9344MHz, and 18.432MHz). ODual-purpose pin. AOUT is the audio

19、interface serial data output. Pins SEL -PLL(1: 0) select phase-lock loop(PLL) clock frequency 89AOUT/SEL/PLL0ICPUCLK for the Visba : 00 = bypass PLL 01 = 54MHz PLL 10 = 67.5MHz PLL 11 = 81MHz PLL 90ATCLKI/OAudio transmit bit clock. ODual-purpose pin. ATFS is the audio interface transmit frame sync.

20、91ATFS/SEL/PLL1I Pins SEL -PLL(1: 0) select phase-lock loop(PLL) clock frequency CPUCLK for the Visba. See the SEL -PLL0 pin above for the settings. 92DOEO Dual-purpose pin. DRAM output enable (active low)/DRAM multiplexed row and column address bus. 93AINIAudio interface serial data input. 94ARCLKI

21、Audio receive bit clock. 95ARFSIAudio interface receive frame sync. 96TDMCLKITDM interface serial clock. 97TDMDRITDM interface serial data receive. 98TDMFSITDM interface frame sync. 99CAS#ODRAM column address strobe bank 0 (active low). Port Function of MPEG1 Video/Audio Processing : ES3880 (ICM2) R

22、XD-V252/V252-H 5 CIRCUIT DESCRIPTION Port No.Port NameI/OFunction 1,25,26,31,72 75,77,91,100 VSSIGround. 5,16,32,66 73, 78,90 VCCISupply voltage for 5.0v. 6DSC CIClock for programming to access internal registers. 7AUX0I/OUnused. 9AUX1I/OServo reverse or control pin. 11AUX2I/OServo LD ON or control

23、pin. 70AUX3I/OUnused. 69AUX4I/OServo CCW/Close or control pin. 68AUX5I/OUnused. 67AUX6I/OServo XLAT or control pin/VFD DO. 14AUX7I/OServo BRKM/Sense or control pin/VFD DI. 18AUX8I/OServo Mute/Open or control pin/VFD CLK. 20AUX9I/OServo SQS0 or control pin. 34AUX10I/OUnused. 35AUX11I/OUnused. 36AUX12

24、I/OUnused. 38AUX13I/OSerial interrupt/CD Mute or control pin. 39AUX14I/OUnused. 40AUX15I/OUnused. 8,81,83,85 93,95,97,99 DSC D(70)I/OData for programming to access internal registers. 10DSC SIStrobe for programming to access internal registers. 12DCLKODual purpose pin. DCLK is the MPEG decoder clock

25、. EXT CLKIEXT CLK is the external clock EXT CLK is an input during bypass PLL mode. 13RESET BIVideo reset (active low). 15MUTEOAudio mute. 17MCLKIAudio master clock. 19TWSIDual purpose pin. TWS is the transmit audio frame sync. SPLL OUTOSPLL OUT is the select PLL output. 21TSDITransmit audio data in

26、put. 22TBCKITransmit audio bit clock. ODual purpose pin. RWS is the receive audio frame sync. Pins SEL PLL (1,0) select the PLL clock frequency for the DCLK output. 23RWS SEL PLL1 SEL PLL0 DCLK SEL PLL1 I0 0 Bypass PLL (input mode) 0 1 27MHz (output mode) 1 0 32.4MHz (output mode) 1 1 40.5MHz (outpu

27、t mode) 24RSTOUT BOReset output (active low). 24,2730 76 NC-Unused. RSDODual purpose pin. RSD is the receive audio data input. 33 SEL PLL0ISEL PLL0 along with SEL PLL1 select the PLL clock frequency for the DCLK output. 37RBCKODual purpose pin. RBCK is the receive audio bit clock. SER INISER IN is t

28、he serial input DSC mode. 41,51AGNDIAudio analog ground. 42VCMIADC common mode reference (CMR) buffer output. 43VREFPIDAC and ADC maximum reference. 44VCCAAIAnalog VCC(5V). 45,46AOR+, AOR-ORight channel output. 47,48AOL-, AOL+OLeft channel output. 49MIC1IMicrophone input 1. 50MIC2IMicrophone input 2

29、. Port Function of DAC The value shown in ( ) is the voltage measured at the moment of STOP. RXD-V252/V252-H 25 Parts with exploded numbers larger than 700 are not supplied. 52 39 34 39 45 55 46 51 50 x4 64 48 49 40 AM 42 63 60 47 56 62 41 38 8446 5 5 5 1 2 FM DM SW4 AN AN AR AS AQx2 AQx2 803 804 85

30、8 859 AL AL SCREW AM 3x8 AN 2.6x6 AQ 2x3 AR WASHER AS 2x5 : N09-5335-08 : N09-5332-08 : N32-2606-46 : N30-2003-46 : N19-1435-05 : N86-2005-46 24 43 35 66 M3 SW1 SW2 SW3 54 32 57 53 39 39 39 39 39 PWB-C PWB-F PWB-B 1 2 3 AB EXPLODED VIEW(CD MECHANISM) 23 RXD-V252/V252-H 26 EXPLODED VIEW(UNIT) RXD-V25

31、2 SW716 MEMORY FL701 SW701 POWER SW702 AUX SW704 EX-BASS SW705 TAPE SW706 TUNER SW707 CD SW717 TIMER SW718 CLOCK SW719 EQU SW715 REC VR701 VOLUME SW714 TUNING DOWN SW713 TUNING UP SW711 SW712 SW708SW710 SW703 REVERSE MODE SW709 SW720 DISC SKIP JK601 PHONES JK1 MIC VRK1 MIC LEVEL SW721 O/C P P P P D

32、D K K Kx2 K K K Kx2 Kx2 K F F K K C B Bx2 B A A A A Ex2 Ex2 Ex2 629 791 705 747 681 744 624 643 643 620 639 640 748 706 628 655 629 787630 754 793 624 661 615 780 614 616 631 675 627 676782 610 611 609 608 612 613 642 641 660 607 BM BS2 BS1 601 603 602 643 643 PR1 RPEH PR2 PF A B C : : : N09-5330-08

33、 N09-5331-08 N09-5334-08 3x12 3x10 D E F : : : N09-5335-08 N09-5338-08 N09-5345-08 3x10 3x6 G H J : : : N09-5346-08 N09-5347-08 N09-5348-08 2x4 3x14 4x8 K L M : : : N09-5349-08 N09-5222-08 N09-5337-08 3x8 3x10 3x10 PN09-5336-082.6x4 SCREW SCREW M M Gx2M901 753 656 635 734 735 SO301A FM ANT. SO401 CN

34、P302 AM LOOP VIDEO OUT SELECTOR SPAN VIDEO/AUX SPEAKERS SW601 717 786 630 T801 704 Bx4 B B B Bx2 B B B B B B B B J JJ J M M M L L H H B B B L Lx2 L SO901 JK671 B 1 2 CED Parts with exploded numbers larger than 700 are not supplied. RXD-V252/V252-H 27 PARTS LIST Ref. No Add- ress New Parts Parts No.D

35、escription Desti- nation Re- marks 6602CK29-8047-08KNOB (VOLUME)JKNBZ0794AWSB 6612CK29-8153-08MIC VOL KNOBJKNBZ0806AWSA T801L07-3154-08TRANSFORMERPTRNP0370AWZZ AN09-5330-08MACHINE SCREWXEBSD30P12000 BN09-5331-08MACHINE SCREWXJBSD30P10000 CN09-5334-08MACHINE SCREWLX-BZ2222AXZZ DN09-5335-08MACHINE SCR

36、EWLX-HZ0009AWFD EN09-5338-08MACHINE SCREWXESSD30P10000 FN09-5345-08MACHINE SCREWXBHBSD30P6000 GN09-5346-08MACHINE SCREWXBBSD20P04000 HN09-5347-08MACHINE SCREWXJBSD30P14000 JN09-5348-08MACHINE SCREWXHBSD40P08000 KN09-5349-08MACHINE SCREWXEBSD30P08000 LN09-5222-08MACHINE SCREWLX-JZ0010AFFD MN09-5337-0

37、8MACHINE SCREWXJSSD30P10000 PN09-5336-08MACHINE SCREWXHBSD26P04000 6752CT90-0879-08LOOP ANTENNAQANTL0008AWZZ 6761CT90-0883-08FM LEAD ANTENNAFANT1535A M9011ET41-0142-08MOTOR(FAN)RMOTV0027AWZZ 6812DW04-0019-08MECHANISM(CAS) KMECB0020AWZZ FL701NA11MM36FL TUBEVVKNA11MM36-1 LED700B30-2613-08LED,YELVHP310

38、5UYT1-1T LED709B30-2614-08LEDVHP31URT21+-1+ -CK45FB1H101KCERAMIC100PFK -CK45FB1H473ZCERAMIC0.047UFZ C6CE04LW1A101MELECTRO100UF10WV C8CK73GB1C104KCHIP C0.10UFK C11CE04KW0J470MELECTRO47UF6.3WV C12CK73GB1E223KCHIP C0.022UFK C13CK73GB1C103KCHIP C0.010UFK C14CK73GB1C334ZCHIP C0.33UFZ C17CK73GB1H472KCHIP

39、C4700PFK C18CC73GCH1H080D CHIP C8.0PFD C19CK73GB1E223KCHIP C0.022UFK C20 ,21CK73GB1C104KCHIP C0.10UFK C22CC73GCH1H101JCHIP C100PFJ C23CK73GB1C473KCHIP C0.047UFK C24CE04LW1HR22MELECTRO0.22UF50WV C25CK73GB1E223KCHIP C0.022UFK C26CK73GB1C473KCHIP C0.047UFK C27CK73GB1C104KCHIP C0.10UFK C28CE04LW1A470MEL

40、ECTRO47UF10WV C29CK73GB1E223KCHIP C0.022UFK C30CK73GB1E223KCHIP C0.022UFK C31CE04LW1A101MELECTRO100UF10WV C34CK73GB1E223KCHIP C0.022UFK C42CC73GCH1H680JCHIP C68PFJ C44CK73GB1E223KCHIP C0.022UFK C45CE04LW1A101MELECTRO100UF10WV C46CK73GB1E223KCHIP C0.022UFK C47CE04LW1A101MELECTRO100UF10WV New Parts Pa

41、rts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. 2 L : ScandinaviaK : USAP : CanadaR : MexicoC : ChinaI : Malaysia Y : PX(Far East,Hawaii)T : EnglandE : EuropeG : GermanyV : China(Shanghai) Y : AAF

42、ES(Europe)X : AustraliaQ : RussiaH : KoreaM : Other Areasindicates safety critical components . Ref. No Add- ress New Parts Parts No.Description Desti- nation Re- marks 6011CA02-3014-08CABINET(TOP)GCAB-1195AWSA 6021CA02-3015-08CABINET(R)GITAS0092AWSA 6031CA02-3016-08CABINET(L)GITAS0075AWSA 6072CA21-

43、3966-08DRESS RING(KNOB,HDECQ0703AWSB) 6082CA21-3958-08CASSETTE LID(L)GCOVA1365AWSA 6092CA21-3959-08CASSETTE LID(R)GCOVA1366AWSA 6102CA53-2251-08CASS HOLDER(L)GDORF0104AWSA 6112CA53-2252-08CASS HOLDER(R)GDORF0105AWSA 6122CA53-2254-08FG(CAS L)HDECQ0700AWSAI 6122CA53-2282-08FG(CAS L)HDECQ0700AWSBMI2 61

44、32CA53-2255-08FG(CAS R)HDECQ0701AWSAI 6132CA53-2283-08FG(CAS R)HDECQ0701AWSBMI2 6142CA60-2220-08PANEL(VCD)GCOVA1411AWSA 6152DA60-2218-08FRT CAB ASSYCAB3587AASY1I 6152DA60-2219-08FRT CAB ASSYCAB3588AASY1MI2 6161CA70-1574-08REMOTE CONTROLRRMCG0275AWSA 6202CB10-3831-08FL PANELHDECQ0792AWSAI 6202CB10-38

45、38-08FL PANELHDECQ0792AWSBMI2 -B60-5094-00INST MANUAL(M)TINSZ0719AWZZMI2 -B60-5095-00INST MANUAL(MI)TINSZ0718AWZZ 6242C,2DD39-0355-08DAMPERMLIFP0008AWZZ BM2ED16-0780-08MAIN BELTFF19N-11 BS12DD16-0782-08SUB BELTFF19S-51 BS22DD16-0781-08SUB BELTFF19S-12 PF2DD14-0821-08PINCH ASSYF514-134 PR12DD14-0822-

46、08PINCH ASSYF514-135 PR22DD14-0820-08PINCH ASSYF514-133 RPEH2DT39-0046-08ROTATION HEADF513-853 6272CE03-0115-05AC PLUGQPLGA0004AWZZ 6281EE30-2881-08AC POWER CORDQACCE0008AW00 6292DE35-2991-08FFC WIRE10PQCNWN1913AWZZ 6301E,2DE35-2992-08FFC WIRE20PQCNWN1914AWZZ 6311CE30-7255-08CDG VIDEO CRDQCNWG0005AW

47、ZZ 6351EF09-0163-08FANNFANP0001AWZZ 6392DG01-4280-08SPRINGMSPRD0109AWFJ 6402EG01-4281-08SPRINGMSPRD0110AWFJ 6412CG01-4293-08SPRINGMSPRD0151AWFJ 6422CG01-4294-08SPRINGMSPRD0152AWFJ 6431C,2CG13-2514-08CUSHION(FOOT)PCUSG0022AWZZ -H10-7771-08POLY FOAM FIXSPAKA0307AWZZ -H10-7772-08P-ADD(TOP)SPAKA0107AWZZ -H10-7773-08P-ADD(BTM)SPAKA0108AWZZ -H25-1706-08BAG(UNIT)SSAKH0061AWZZ -H25-1707-08BAG CAUTIONCAUT1513A -H25-1708-08BAG(ACCES)SSAKA0007AWZZ -H50-4218-08ITEM CARTONSPAKC0378AWZZ -H50-4296-08ITEM CARTONSPAKC1234AWZZ -H50-4408-08P-CASE(MI)SPAKC