Kenwood-KRFVR-5900-Service-Manual电路原理图.pdf

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1、AUDIO VIDEO SURROUND RECEIVER2001-4/B51-5712-00 (K/K) 3424PHONESTHXDOLBY DIGITALDTSMPEGD.R.I.V.E.HDCD INPUT SELECTORVOLUME CONTROLDOWNUPAV - AUXS VIDEOVIDEOL - AUDIO - RCLIPINDICATORON/STANDBYREMOTE POWERCD 2 / TAPE 2MONITORSURROUNDBACK96kfsSTANDBYDISCRETE 6.1MATRIX 6.1NEO : 6PRO LOGICDTS-ES*Refer t

2、o parts list on page 62. KRF-X9995D/X9995D-SSERVICE MANUALOPTICALVIDEO4VIDEO3VIDEO2CD-R MD/TAPE1 CD1 DVDEXT.CONTROLRS-232CDIGITAL INCOAXIALDIGITAL OUTVIDEO3 INCOMPONENT VIDEODVDINMONITOROUTMONITOROUT PLAYINPLAYINPLAYINPLAYINRECOUT RECOUTPLAYINS VIDEOVIDEOPRE OUTZONE B PRE OUTRLAUDIORLFRONTRLSURROUND

3、RLRLSURROUND BACKSUB WOOFERCENTERVIDEORLBAAUDIOVIDEO1VIDEO2VIDEO3VIDEO4DVDFRONTDVD/6CH.INPUTSURROUNDCENTERSUBWOOFERPHONOCD1RECOUTPLAYIN MD/TAPE1RECOUTPLAYINCD-RRECOUTPLAYIN CD2/TAPE2MONITORCENTERSPEAKER(616)SURROUNDSPEAKERS(616)FRONT SPEAKERS(616)ANTENNAGNDAMFM 75SYSTEMCONTROLSL16 TEXTREMOTE IR OUTL

4、CDIR 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-

5、)Cylindrical 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

6、-0291-05)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(E63-1113-0

7、5)x2Screw 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%KRF-X9

8、995D/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 CONTROL UNIT+-+-12 345 678

9、910 11 12+10 0 +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-R0913ENTERV O L UM EUPDOWNCONFIRMON/STANDBYCONTRASTREMOTE OFFRemote control unit(PowerTouch)(A70-1456-05): RC-R11

10、11(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 license from Dolby La

11、boratories. 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 world-wide patents issues

12、 and pending. DTSand DTS Digital Surroundare 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 Microsonics, Inc. in the Unite

13、d 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 Australia: 669114. Other patent

14、s pending.TMKRF-X9995D/X9995D-S/VR-5700/59003DISASSEMBLY FOR REPAIR2x834561x61CN10X07C/5X25C/11X25B/11CN102CN16CN103X13A/6CN10110x2101110x210x2789X25B/11X11A/2X05CN1FRAME(A)FRAME(C)FRAME(B)10x212x212How to Remove the Front Panel andthe Motor Assy1.How to Remove the Front Panel 1. Remove the screws (

15、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 figure.6. Remove the screw (8X1) on the X25 F/11.7. Disc

16、onnect 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).Disassembling the Rear Panel andHow to Replace the Power Tr

17、ansistor1. 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 the flexible cables CN101(4) on theX25 C/11, CN102 (5)

18、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 (0X9) on the frames (A/B/C),push rivet (-) and PC suppor

19、t (=x2)on the X11A/2.HOOKX13(A/6)CN3CN2CN1MOTORAC CONNECTOR(EXCEPTK/P)X25(F/11)X25(G/11)X07(A/5)CN8KRF-X9995D/VR-5900453x31x52x77x4286910x211x4KRF-X9995D/X9995D-S/VR-5700/59004DISASSEMBLY FOR REPAIR9. To remove the frame A rearward, cut the tie bands(X4) on the frames.10. Remove a screw (!), then re

20、move 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 shownin the figure.14. Replace the defective transistor.KRF-X9

21、995D/VR-5700/590015x215x215x215x3 15X07B/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)OPTICAL OUTCOAXIAL OUTCOAXIALOPTICALDIGITAL INPUT SEL.OP

22、TICALCOAXIALCOAXIALOPTICALOPTICALCOAXIALCOAXIALOPTICALOPTICALCOAXIALCOAXIALOPTICALVIDEO2VIDEO3DVD(6ch IN)VIDEO4CD-RMD/TAPE1CDAV AUX IN200mVINPUT SEL.ZONE BCD2TAPE2 MON12.5mV(38dB)BUFFERLINE (0.-3.-6dB)OFF -3dBON -6dBBUFFERINPUT ATTBUFFER(-6dB)200mVMAX:1.0VrmsFL.FRSUBCENTERSL.SRSBL.SBR(0dB)50kHz LPF1

23、kHz 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 or 14.7dB)(14.5dB)(5.2dB or 15.2dB)(5.2dB or 15.2dB)(5.

24、2dB or 15.2dB)(5.2dB or 15.2dB)A-10dB GAIN CONT.ZONE BZONE BB SOURCEAMPLIFIER(29dB)AMPLIFIERAMPLIFIER(29dB)(29dB)F/C/SW-MUTESPB/S-MUTEPRE S-MUTEPRE ZB-MUTESUB-MUTE RELAYCSRELAYARELAYBOUTPUT MUTEK5K1K3K4K2YPB/CBPR/CRPB/CBPR/CRY6dB AMP6dB AMP75ohm DRIV.B SOURCEPALNTSC75ohm DRIV6dB 75ohm DRIV6dB AMP75o

25、hm 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 MONICD-R INMD/TAPE1 INIC22VIDEO3 INVIDEO1 INVIDEO2 INFM AMT

26、UNERIC1EQPHONO INIC28IC8.9ADCIC7DIRIC6DSPEP ROMSDRAMSDRAMDACIC31X08 IC32X08 IC33X08 IC34DACDACDACIC11X08IC17IC14X08X08IC20IC12,13IC18,19IC21,22IC15,16IC18,19TONEIC34IC23IC5IC26IC27 (2/2)IC27 (1/2)IC24FL.FRVOLUMEVOLUMECENTERSBL.SBRVOLUMEVOLUMESL.SRSUB WVOLUMEVOLUMEZONE BIC8IC10IC12IC35IC10IC6IC9IC11I

27、C36IC13IC7IC11Q1,2Q101Q51,52Q301-320MUTEPHONESL.RSL.SRCSL.SRCL.RZONE B-SPEAKERSZONE BSWSBL.SBRB-SPEAKERSA-SPEAKERSPRE OUT1VIC23IC24VIDEO3DVDCOMPONENTYCbCrMONITOR OUTX13,IC701-703 or X35,IC1-3AV AUXVIDEO4 VIDEO2VIDEO3VIDEO1IC22IC21DVD/6chDECODER4.43MHz3.58MHzIC5X35MUTEMUTEMUTEMUTEMUTEMUTEMUTEMUTEMUTE

28、 MONITORZONE BMUTEMUTEMUTEMONITORZONE AVIDEO2 RECVIDEO1 RECOUTCOMPOSITESEPARATE CDVD/6chVIDEO1VIDEO3VIDEO2VIDEO4 AV AUXIC602VIDEO1 RECVIDEO2 RECMONITORMUTEMUTEMUTE C OUTAV AUXDVD/6chVIDEO4 VIDEO2VIDEO3VIDEO1SEPARATE YIC601Y OUTVIDEO2 RECVIDEO1 RECMUTEMUTEIC604IC606BPFIC603IC605MUTETRAPMONITORSYSTEM

29、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 BRELAY CSSP RELAY CONT.FLFL DRIVERMAIN u-COMSUB u-CONLE

30、D 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+6V 1st AVRfor DSP UNITTONE CONTROLVOLUMEANALOG SWfo

31、r 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 TRANSAUDIO SECTIONVIDEO SECTION(X08-) , (X25- )(X25-

32、)(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 : Pulldown,1:Pull upSET TYPETYPEBANDRECEIVING FREQUENCY RANGECHANNELSPACEIFPLLDIODE SW(X13) DSW3(R282,R285)DSW2(R292,R279)DSW1(R2

33、96,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+10.7MHz25kHz1010AM530kHz-1700kHz10kHz+450kHz10kHzY, M, I, C

34、, 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(DSWx) 0 = NO DIOE(1 = WITH DIODEX = TRANSISTOR SW(0=OFF

35、/1=ON)1. Initialization1-1 The Initial SettingInsert 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,IC3) Port 54TypeVoltage : Max 5.0VK200.52K11.612.49K4

36、(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)NO4.635.003-2 Distinction of Models : u-com (X13,IC3) Port 53

37、 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 90.0MFM 90.0MFM 90.0MFM 90.0MFM 90.0M6FM 87.5MFM 87.5M

38、FM 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 1440KAM 1440KAM 1440K13FM 106.0MFM 106.0MFM 106.0MFM 10

39、6.0MFM 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 990KAM 990K20FM 97.4MFM 97.4MFM 97.4MFM 97.7MFM 97.7M4.

40、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 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M27FM 87.5MFM 87.5MFM

41、 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 87.5MFM 87.5MFM 87.5MFM 87.5MFM 87.5M34FM 87.5MFM 87.5MFM

42、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 1000KAM 1000KAM 1000KAM 945KAM 945KKRF-X9995D/X9995D-S/VR-5

43、700/59007CIRCUIT 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 cancelled if unplug the AC power cord from an AC power

44、 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 the tuner destination in the FL.EX. TYPE E1MEMORYCh

45、anged 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 ICTransmitter ICProtectionNJU7312AMuPD17215GFX11(IC3/22/24) Selector ICX13,IC5NJU7313AMSerialParallelFanX07,K6X11

46、,IC23TC74HC164AFPWR RelaySelector ICX07,K1k4NJU7311AMSP. RelayX11,IC6 Vol. IC97991,294,9588TC9459N7882Mute CircuitX11,IC8X08,IC43Vol. ICSub u-ComTC9459N73,74uPD784224K507X11,IC10 Vol. IC TC9459N65,66UARTX11,IC12X13, IC3X25,ED1Vol. ICX25,J201FLTC9459NMain Microcomputer36X11,IC35X25,IC1Vol. ICuPD78421

47、7A51837FL DriverTC9459NuPD780204X11,IC34Power/InputTone Cont. IC48,60Down KeyX25TC9184APPanel KeyModel Type5354DestinationX05-513X, IC2SWTuner Unit2580LC7213158,59PanelKRF-X9995DX05-510X, IC225,26,30REM2DoorVR-5900 onlyPLL for Remote938,1050ControlLV2105VExcept KRF-X9995D andRotaryVideoX13(IC502,504,505)KRF-X7775DEncoderSelector IC(IC603,604,701703)X25,S19X25,IC401Relay Cont.RF/IR INIR ReceiverSWITCHIR SEL.Except KRF-X7775