Kenwood-KRFVR5900-avr-sm 维修电路原理图.pdf

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1、AUDIO VIDEO SURROUND RECEIVER 2001-4/B51-5712-00 (K/K) 3424PHONESTHXDOLBY DIGITALDTSMPEGD.R.I.V.E.HDCD INPUT SELECTOR VOLUME CONTROLDOWNUPAV - AUXS VIDEOVIDEOL - AUDIO - RCLIPINDICATORON/STANDBY REMOTE POWERCD 2 / TAPE 2MONITORSURROUNDBACK96kfsSTANDBYDISCRETE 6.1MATRIX 6.1NEO : 6PRO LOGICDTS-ES* Ref

2、er to parts list on page 62. KRF-X9995D/X9995D-SSERVICE MANUALOPTICALVIDEO4VIDEO3VIDEO2CD-RMD/TAPE1CD1DVDEXT.CONTROLRS-232CDIGITAL INCOAXIALDIGITAL OUTVIDEO3 INCOMPONENT VIDEODVDINMONITOROUTMONITOROUTPLAYINPLAYINPLAYINPLAYINRECOUTRECOUTPLAYINS VIDEOVIDEOPRE OUTZONE B PRE OUTRLAUDIORLFRONTRLSURROUNDR

3、LRLSURROUND BACKSUB WOOFERCENTERVIDEORLBAAUDIOVIDEO1VIDEO2VIDEO3VIDEO4DVDFRONTDVD/6CH.INPUTSURROUNDCENTERSUBWOOFERPHONOCD1RECOUTPLAYINMD/TAPE1RECOUTPLAYINCD-RRECOUTPLAYINCD2/TAPE2MONITORCENTERSPEAKER(616)SURROUNDSPEAKERS(616)FRONT SPEAKERS(616)ANTENNAGNDAMFM 75SYSTEMCONTROLSL16 TEXTREMOTEIR OUTLCDIR

4、 OUT LCDREMOTEIR RECEIVERINIR RECEIVERINIR REPEATER OUT/DVD CONTROLRF REMOTEANTENNACRLRLABDC12V 20mADC12V 20mAPR/CRPB/CBYPR/CRPB/CBYPR/CRPB/CBYAC 120V 60HzSWITCHED TOTAL90W 0.75A MAX.Front glass *(B10-)Knob *(K29-)Panel *(A60-)Phone jack(E11-0190-05)Knob *(K29-)Indicator (B12-0392-14)Knob *(K29-)Cyl

5、indrical receptacle(E56-0026-05)Pin jack(E63-1121-05)Pin jack(E63-1128-05)Pin jack(E63-1179-05)Miniature phone jack(E11-0905-05)VR-5700/5900Oscillating module(W02-2717-05)Pin jack(E63-1177-05)Indicator (B12-0391-14)Panel *(A29-)Pin jack(E63-1125-05)x2Pin jack(E63-1176-05)Miniature phone jack(E11-029

6、1-05)Miniature phone jack(E11-0905-05)AC power cord *(E30-)Miniature phone jack(E11-0904-05)AC power cord bushing *(J42-)Optical receiving module(W02-2716-05)Rectangular receptacle(E58-0033-05)Pin jack(E63-1124-05)x2Pin jack(E63-1130-05)Pin jack(E63-1126-05)x3AC outlet *(E03-)Pin jack(E63-1113-05)x2

7、Screw terminal board(E70-0131-05)Pin jack(E63-1115-05)Cylindrical receptacle(E56-0030-05)x2Pin jack(E63-1123-05)Screw terminal board(E70-0133-05)Miniature phone jack(E11-0907-05)Miniature phone jack(E11-0347-05)Pin jack(E63-1111-05)x2Cylindrical receptacle(E56-0028-05)Illust is VR-5700.70%RadioFans.

8、CN 收音机爱 好者资料库KRF-X9995D/X9995D-S/VR-5700/59002CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES . 2DISASSEMBLY FOR REPAIR.3BLOCK DIAGRAM .5ADJUSTMENT.14WIRING DIAGRAM.16PC BOARD . 17SCHEMATIC DIAGRAM . 30EXPLODED VIEW .60PARTS LIST.62SPECIFICATIONS .88ContentsRF REMOTE CONTROL UNITRC-R09102WAY LCD REMOTE

9、 CONTROL UNIT+-+-123456789101112+100+100/BatteriesAM Loop Antenna (T90-0852-05)FM Antenna(T90-0855-05)Battery cover(A09-1166-08)Battery cover(A09-1177-08)Pen(W01-0976-08)Remote control unit(A70-1453-05): RC-R0913ENTERVOLUMEUPDOWNCONFIRMON/STANDBYCONTRASTREMOTE OFFRemote control unit (PowerTouch)(A70

10、-1456-05): RC-R1111(A70-1457-05): RC-R1012(A70-1458-05): RC-R1013AC plug adaptor* Refer to parts list.*. (1)Use to adapt the plug on the power cord to the shape of the wall outlet.(Accessory only for regionswhere use is necessary.)(T90-0850-05)U.S.A. onlyAntenna assyAccessoriesManufactured under lic

11、ense from Dolby Laboratories. Dolby , Pro Logic , AC-3 , and the double-D symbol are trademarks of Dolby Laboratories. Confidential Unpub-lished Works. 1992-1997 Dolby Laboratories. All rights reserved.Manufactured under license from Digital Theater Sys-tems, Inc. US Pat. No. 5,451,942 and other wor

12、ld-wide patents issues and pending. DTS and DTS Digital Surround are trademarks of Digital Theater Systems, Inc. 1996 Digital Theater Systems, Inc. All rights reserved. , HDCD, High Definition Compatible Digital and Pacific Microsonics are either registered trade-marks or trademarks of Pacific Micro

13、sonics, Inc. in the United States and/or other countries. HDCD sys-tem manufactured under license from Pacific Micro-sonics, Inc. This product is covered by one or more of the following: IN the USA: 5,479,168, 5,638,074, 5,640,161, 5,808,574, 5,838,274, 5,854,600, 5,864,311, 5,872,531, and in Austra

14、lia: 669114. Other patents pending.TMRadioFans.CN 收音机爱 好者资料库KRF-X9995D/X9995D-S/VR-5700/59003DISASSEMBLY FOR REPAIR2x834561x61CN10X07C/5X25C/11X25B/11CN102CN16CN103X13A/6CN10110 x2101110 x210 x2789X25B/11X11A/2X05CN1FRAME(A)FRAME(C)FRAME(B)10 x212x212How to Remove the Front Panel andthe Motor Assy1.

15、 How to Remove the Front Panel 1. Remove the screws (1X3) on top of the panel.2. Remove the screws (2X9) located at the the bot-tom of the panel.3. Disconnect the cable (3) and connectors (4,5)on the X13 A/6.4. Disconnect the connector (6) on the X07 A/5.5. Cut the tie band (7X7) as shown in the fig

16、ure.6. Remove the screw (8X1) on the X25 F/11.7. Disconnect the connector (9) on the X25G/11.(Except K/P type)8. Remove the hooks (0X2) on the sub panel.9. Remove the front panel in the direction of arrow.2. How to Remove the Motor Assy1. The motor assy can be separated by removingscrews (-X4).Disas

17、sembling the Rear Panel andHow to Replace the Power Transistor1. Disconnect the CN10 on the X07 C/5.2. Remove all of screws (1X61) and digital caps(2X8) on the rear panel.(The number of screws and caps are vary accord-ing to the models).3. Disconnect the cable CN16 (3) on the X13 A/6.4. Disconnect t

18、he flexible cables CN101(4) on theX25 C/11, CN102 (5) and * CN103 (6)on the X25B/11.* (K/P type only).5. Remove the rear panel in the direction of arrow.6. Remove the screw (7), then remove the X25 B/11.7. To remove the tuner unit, disconnect the CN1 (8)and remove a screw (9).8. Remove the screws (0

19、X9) on the frames (A/B/C),push rivet (-) and PC support (=x2)on the X11A/2.HOOKX13(A/6)CN3CN2CN1MOTORAC CONNECTOR(EXCEPT K/P)X25(F/11)X25(G/11)X07(A/5)CN8KRF-X9995D/VR-5900453x31x52x77x4286910 x211x4KRF-X9995D/X9995D-S/VR-5700/59004DISASSEMBLY FOR REPAIR9. To remove the frame A rearward, cut the tie

20、 bands(X4) on the frames.10. Remove a screw (!), then remove a thermostat.11. Remove the screws (X10), then remove a frame (D),a cover and X07 B/5. 12. To remove a power amplifier unit (X07 A/5), removethe screws (#x4), and a PC support ($x2).13. Set up the X07 A/5 in the direction of arrow as shown

21、in the figure.14. Replace the defective transistor.KRF-X9995D/VR-5700/590015x215x215x215x315X07B/5FRAME(A)FRAME(D)X07A/5X07A/51616161617x21413x4KRF-X9995D/X9995D-S/VR-5700/59005BLOCK DIAGRAMREC OUT SWTAPE2REC BUFFEROUTPUT MUTEONDIG REC200mV36mV200mV200mVINPUT SEL.ZONE ABUFFERDIG REC OUT(0dB or +6dB)

22、OPTICAL OUTCOAXIAL OUTCOAXIALOPTICALDIGITALINPUT SEL.OPTICALCOAXIALCOAXIALOPTICALOPTICALCOAXIALCOAXIALOPTICALOPTICALCOAXIALCOAXIALOPTICALVIDEO2VIDEO3DVD(6ch IN)VIDEO4CD-RMD/TAPE1CDAV AUX IN200mVINPUT SEL.ZONE BCD2TAPE2 MON12.5mV(38dB)BUFFERLINE(0.-3.-6dB)OFF -3dBON -6dBBUFFERINPUT ATTBUFFER(-6dB)200

23、mVMAX:1.0VrmsFL.FRSUBCENTERSL.SRSBL.SBR(0dB)50kHz LPF1kHz LPF(0dB)(0dB)(0dB)(0dB)50kHz LPF50kHz LPF50kHz LPFSW ONDIGSW OFFDIGANACONFIG-2FILTERONANA TONE OFFTONE(0dB)TONEOFFATT OFFZONE BLINE BUFFERBUFFERBUFFERBUFFER(+15dB)SUB6ch INCENTER6ch IN6ch INSL SR6ch INPUT SEL.SP BCENTERSL.SRSBL,SBRSUB(4.7dB o

24、r 14.7dB)(14.5dB)(5.2dB or 15.2dB)(5.2dB or 15.2dB)(5.2dB or 15.2dB)(5.2dB or 15.2dB)A-10dB GAIN CONT.ZONE BZONE BB SOURCEAMPLIFIER(29dB)AMPLIFIERAMPLIFIER(29dB)(29dB)F/C/SW-MUTESP B/S-MUTEPRE S-MUTEPRE ZB-MUTESUB-MUTERELAY CSRELAY ARELAY BOUTPUT MUTEK5K1K3K4K2YPB/CBPR/CRPB/CBPR/CRY6dB AMP6dB AMP75o

25、hm DRIV.B SOURCEPALNTSC75ohm DRIV6dB 75ohm DRIV6dB AMP75ohm DRIVNONECRAMPNONECRAMPL601(K/P/J)L603(OTHERS)OUTPUT MUTEL601(K/P/J)L602(OTHERS)AC INRELAY POWERFAST OFFATT ONVIDEO2 RECVIDEO1 RECCD-R RECMD/TAPE1 RECMUTEQ11,12MUTEQ1,2IC4CD2/TAPE2 RECCENTERSUBSL.SRL.RDVD6ch INIC32VIDEO4 INCD1 INCD2/TAPE2 MO

26、NICD-R INMD/TAPE1 INIC22VIDEO3 INVIDEO1 INVIDEO2 INFM AMTUNERIC1EQPHONO INIC28IC8.9ADCIC7DIRIC6DSPEP ROMSDRAMSDRAMDACIC31X08IC32X08IC33X08IC34DACDACDACIC11X08IC17IC14X08X08IC20IC12,13IC18,19IC21,22IC15,16IC18,19TONEIC34IC23IC5IC26IC27 (2/2)IC27 (1/2)IC24FL.FRVOLUMEVOLUMECENTERSBL.SBRVOLUMEVOLUMESL.S

27、RSUB WVOLUMEVOLUMEZONE BIC8IC10IC12IC35IC10IC6IC9IC11IC36IC13IC7IC11Q1,2Q101Q51,52Q301-320MUTEPHONESL.RSL.SRCSL.SRCL.RZONE B-SPEAKERSZONE BSWSBL.SBRB-SPEAKERSA-SPEAKERSPRE OUT1VIC23IC24VIDEO3DVDCOMPONENTYCbCrMONITOR OUTX13,IC701-703 or X35,IC1-3AV AUXVIDEO4 VIDEO2VIDEO3VIDEO1IC22IC21DVD/6chDECODER4.

28、43MHz3.58MHzIC5X35MUTEMUTEMUTEMUTEMUTEMUTEMUTEMUTEMUTEMONITORZONE BMUTEMUTEMUTEMONITORZONE AVIDEO2 RECVIDEO1 RECOUTCOMPOSITESEPARATE CDVD/6chVIDEO1VIDEO3VIDEO2VIDEO4 AV AUXIC602VIDEO1 RECVIDEO2 RECMONITORMUTEMUTEMUTEC OUTAV AUXDVD/6chVIDEO4 VIDEO2VIDEO3VIDEO1SEPARATE YIC601Y OUTVIDEO2 RECVIDEO1 RECM

29、UTEMUTEIC604IC606BPFIC603IC605MUTETRAPMONITORSYSTEM CONTROLSL16 TEXTTV POWER SENSORRELAY COMTROLRS232CRDSTUNERTONE ON/OFFDIG.ANA.SEL.INPUT ATTREC OUT SWANALOG SWZONE A SEL.ZONE B SEL.SUB-MUTEMUTE CONTROLPRE S.SBPRE ZONE BSP SL.SR/BFL.FR.C.SWOUTPUTTONE CONTROLVOLUME CONTROLRELAY ARELAY POWERRELAY BRE

30、LAY CSSP RELAY CONT.FLFL DRIVERMAIN u-COMSUB u-CONLED DISPLAYKEY MATRIXRF/IR RECEIVERDOOR MOTOR CONT.FAN DRIVEIR IN/OUT Bu-COMIR IN/OUT AI/V PROTECT DET.THERMAL SENSOROUT POWER DET.IR TRANSMITEP-ROMDACDSP UNITDIRDSPADCVIDEO SELECTORDIG.INPUT SEL.X25,ED1X25,1ICX13,IC3X08,IC43for VIDEO UNIT+6V 1st AVR

31、+6V 1st AVRfor DSP UNITTONE CONTROLVOLUMEANALOG SWfor POWER AMP60V SUPPLY-35V AVRfor FL V-LOADFL FILAMENT-15V 1st AVRfor u-COM+30V forRELAYS & FANBACK UP5.6V AVRIR RECEIVERTHERMAL SENSORu-CON CONTROLX13,Q41X13,Q45X13,Q33,34X07,D100X07,Q407X13,D71X13,Q51X13,IC1POWER SUPPLYOP AMP17V AVRSUB TRANSMAIN T

32、RANSAUDIO SECTIONVIDEO SECTION(X08-) , (X25- )(X25- )(X08- )(X07- )(X25- )(X11- )(X13- ) / (X35- )(X11- )(X13- )VR-5080/5090/5700/5900KRF-X7775D/X7775D-S/X9995D/X9995D-SKRF-X9995D/X9995D-S/VR-5700/59006CIRCUIT DESCRIPTION0 : Pull down,1:Pull upSET TYPETYPEBANDRECEIVING FREQUENCY RANGECHANNELSPACEIFP

33、LLDIODE SW(X13) DSW3(R282,R285)DSW2(R292,R279)DSW1(R296,R284)DSW0(R297,R288)K, P, RK11700FM87.5MHz-108.0MHz100kHz+10.7MHz25kHz0000AM530kHz-1700kHz10kHz+450kHz10kHzY, M, I,C, VK21610FM87.5MHz-108.0MHz100kHz+10.7MHz25kHz0011AM530kHz-1610kHz10kHz+450kHz10kHzK, PK41700RBDSFM87.5MHz-108.0MHz100kHz+10.7MH

34、z25kHz1010AM530kHz-1700kHz10kHz+450kHz10kHzY, M, I, C, V, E, X, HE1FM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0001AM531kHz-1602kHz9kHz+450kHz9kHzE, TE3RDSFM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0101AM531kHz-1602kHz9kHz+450kHz9kHzY, M, I,C, VMK2/E1 are switched by DSW1.(DSW1 = 1:K2type, 0: E1type)00X1DIODE SW(D

35、SWx) 0 = NO DIOE(1 = WITH DIODEX = TRANSISTOR SW(0=OFF/1=ON)1. Initialization1-1 The Initial Setting Insert the power cord to AC wall outlet by pressing the POWER key ON/STANDBY.2. Destination List of Tuner3. Conditions according to the models or destination3-1 Distinction of Destinatio: u-com (X13,

36、IC3) Port 54TypeVoltage : Max 5.0VK200.52K11.612.49K4(RBDS)2.513.39E3(RDS)3.414.45E14.475.00ModelsVoltage : Max 5.0VVR-5080NO00.37VR-5090YES0.391.10VR-5700YES1.121.84VR-5900-SYES1.862.49KRF-X9995D/D-SYES2.513.14KRF-X7775D/D-SYES3.163.88KRF-X9995D-S(M/X TYPE)NO3.904.61KRF-X7775D-S(M/X/V TYPE)NO4.635.

37、003-2 Distinction of Models : u-com (X13,IC3) Port 53 Switching of RF or Front IR and Rear IR Receiver Terminal.P.chK1K2K4E1E31FM 98.3MFM 98.3MFM 98.3MFM 98.3MFM 98.3M2FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M3FM 89.1MFM 89.1MFM 89.1MFM 89.1MFM 89.1M4FM 108.0MFM 108.0MFM 108.0MFM 108.0MFM 108.0M5FM 9

38、0.0MFM 90.0MFM 90.0MFM 90.0MFM 90.0M6FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M7FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M8AM 1610KFM 87.5MAM 1610KFM 87.5MFM 87.5M9AM 1700KAM 1610KAM 1700KAM 1602KAM 1602K10AM 1000KAM 1000KAM 1000KAM 999KAM 999K11AM 630KAM 630KAM 630KAM 630KAM 630K12AM 1440KAM 1440KAM 14

39、40KAM 1440KAM 1440K13FM 106.0MFM 106.0MFM 106.0MFM 106.0MFM 106.0M14AM 530KAM 530KAM 530KAM 531KAM 531K15FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M16FM 98.0MFM 98.0MFM 98.0MFM 98.0MFM 98.0M17FM 98.5MFM 98.5MFM 98.5MFM 98.5MFM 98.5M18FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M19AM 990KAM 990KAM 990KAM 990

40、KAM 990K20FM 97.4MFM 97.4MFM 97.4MFM 97.7MFM 97.7M4. Tuner Preset MemoryP.chK1K2K4E1E321AM 530KAM 530KAM 530KAM 531KAM 531K22FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M23FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M24FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M25FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M26FM 87.5

41、MFM 87.5MFM 87.5MFM 87.5MFM 87.5M27FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M28FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M29FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M30FM 106.0MFM 106.0MFM 106.0MFM 106.0MFM 106.0M31FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M32FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M33FM 87.5M

42、FM 87.5MFM 87.5MFM 87.5MFM 87.5M34FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M35FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M36FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M37FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M38FM 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M39FM 108.0MFM 108.0MFM 108.0MFM 108.0MFM 108.0M40AM 1000KA

43、M 1000KAM 1000KAM 945KAM 945KKRF-X9995D/X9995D-S/VR-5700/59007CIRCUIT DESCRIPTION5.Test Mode5-1 Setting Method of the Test ModeTurn on the power supply while pressing the INPUT SELECTOR DOWN key, to make a set in test mode.5-2 Canceling the Test ModeThe system is initialized and the test mode is can

44、celled if unplug the AC power cord from an AC power wall outlet.5-3 Contents of the Test Mode The following operation is available when the FL is all lighting up mode only.KeyOperationDisplaySOUNDSet up the RF frequency to428MHz.RF BANDLISTEN MODESet up the RF frequency to422MHz.RF BANDTHXIndicated

45、the tuner destination in the FL.EX. TYPE E1MEMORYChanged the dimmer off/1/2 cyclically.ALL FL Light ON6. Main Microcomputer: uPD784217A518 (X13, IC3)6-1 Main Microcomputer Periphery block diagramX13,IC6X11(IC2/21) LCD Remote Cont. Selector IC Transmitter IC Protection NJU7312AM uPD17215GFX11(IC3/22/

46、24) Selector IC X13,IC5 NJU7313AM SerialParallel FanX07,K6X11,IC23 TC74HC164AF PWR Relay Selector ICX07,K1k4 NJU7311AM SP. RelayX11,IC6 Vol. IC97991,294,9588 TC9459N7882 Mute CircuitX11,IC8X08,IC43 Vol. ICSub u-Com TC9459N 73,74 uPD784224K507X11,IC10 Vol. IC TC9459N 65,66 UARTX11,IC12X13, IC3X25,ED1

47、 Vol. ICX25,J201 FL TC9459N Main Microcomputer36X11,IC35X25,IC1 Vol. IC uPD784217A518 37FL Driver TC9459N uPD780204X11,IC34Power/Input Tone Cont. IC 48,60Down KeyX25 TC9184APPanel Key Model Type5354 DestinationX05-513X, IC2 SW Tuner Unit2580 LC72131 58,59 PanelKRF-X9995DX05-510X, IC225,26,30 REM2 Do

48、orVR-5900 only PLL for Remote93 8,1050ControlLV2105VExcept KRF-X9995D and RotaryVideoX13(IC502,504,505) KRF-X7775D Encoder Selector IC(IC603,604,701703)X25,S19X25,IC401 Relay Cont.RF/IR IN IR ReceiverSWITCH IR SEL.Except KRF-X7775D (M/X/V TYPE) andKRF-X9995D/KRF-X9995D (M/X TYPE)VR-5900 only SL16KRF

49、-X9995D/X9995D-S/VR-5700/59008CIRCUIT DESCRIPTIONPort No.Port NameI/OFunction1REM DAOIR transmitter IC(X13,IC5) control data output.2REM CKOIR transmitter IC(X13,IC5) control clock output.3FL CLKOClock output to FL driver.4FL DINIData input from FL driver.5FL DOUTOData output to FL driver.6FL STBOSt

50、robe output to FL driver.7FL RSTOReset output to FL driver.8ENC BIInput port of volume encoder.9VDD-+5V power supply.10ENC AIInput port of volume encoder.11SEL CLKOClock output to selector IC.12SEL DATAOData output to selector IC.1315SEL STB13OStrobe (13) output to selector IC.16TONE CLKOClock outpu