Kenwood-VR4090B-avr-sm 维修电路原理图.pdf

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1、STANDBYON/STANDBYPHONESDOLBY DIGITALDTSMPEG96kfsD.R.I.V.E.HDCDINPUT SELECTORVOLUME CONTROLDOWNUPS VIDEOVIDEOL - AUDIO - RASPEAKERSCD 2 / TAPE 2MONITORBCLIPINDICATORPRO LOGIC3 STEREOAV AUX POWERDIGITAL OUTDVDCD1MD/TAPE1CD-RVIDEO2VIDEO3VIDEO4OPTICALDIGITAL INCOAXIALS VIDEOVIDEORECOUTPLAYINRECOUTPLAYIN

2、PLAYINPLAYINPLAYINMONITOROUTSURROUNDCENTERSUBWOOFERDVD/6 CH. INPUTVIDEO4VIDEO3VIDEO2VIDEO1DVDFRONTRLAUDIOSIGNAL GNDRLLRLRAUDIOPRE OUTRF REMOTE ANTENNASYSTEMCONTROLPHONOCD1RECOUTPLAYINMD/TAPE1RECOUTPLAYINCD-RCENTERFRONTSURROUNDSUBWOOFERRECOUTPLAYINCD2/TAPE2MONITORSL 16TEXTREMOTEIR OUT LCD IR RECEIVER

3、 INSURROUND SPEAKERSCENTER SPEAKERDC12V 20mAIRREPEATEROUTRLFRONT SPEAKERSBLRARLCAC 120V 60HzSWITCHED TOTAL90W 0.75A MAXANTENNAGNDAMKnob(K29-7729-04)Panel (A60-1777-02)Front glass(B10-3571-02)Indicator(B12-0391-14)Knob (K29-7740-03)Phone jack(E11-0190-05)Panel(A29-1085-13)Knob(K29-7743-04)Cylindrical

4、 receptacle(E56-0026-05)Pin jack(E63-1121-05)Optical receiving module(W02-2716-05)x7Pin jack(E63-1119-05)AC Power cord bushing(J42-0157-05)Pin jack(E63-1130-05)Pin jack(E63-1111-05)x3Miniature phone jack(E11-0906-05)Pin jack (E63-1125-05)x2Pin jack(E63-1109-05)Pin jack(E63-1111-05)Oscillating module

5、(W02-2717-05)Pin jack(E63-1123-05)Miniature phone jack(E11-0347-05)Miniature phone jack(E11-0905-05)Pin jack(E63-1128-05)Screw terminal board(E70-0118-05)AC outlet(E03-0148-05)Illustration is VR-4090-B.Cylindrical receptacle(E56-0028-05)AUDIO VIDEO SURROUND RECEIVERVR-4080-B/4090-BVR-4700/4900SERVIC

6、E MANUAL 2000-4/B51-5612-00 (K/K) 138070%Pin jack(E63-1113-05)Pin jack(E63-1124-05)x2Screw terminal board(E70-0121-05)Pin jack(E63-1117-05)Miniature phone jack(E11-0907-05)Lock terminal board(E70-0080-05)Cylindrical receptacle(E56-0030-05)x2AC power cord(E30-2944-05)RadioFans.CN 收音机爱 好者资料库RF REMOTE

7、CONTROL UNITRC-R09102WAY LCD REMOTE CONTROL UNIT+-+-123456789101112+100+100/BatteriesAM Loop Antenna (T90-0852-05)RF remote Antenna(T90-0850-05)FM Antenna(T90-0855-05)Battery cover(A09-1166-08)Battery cover(A09-1177-08)Pen(W01-0976-08)Remote control unit(A70-1312-05): RC-R0911ENTERVOLUMEUPDOWNCONFIR

8、MON/STANDBYCONTRASTREMOTE OFFRemote control unit (PowerTouch)(A70-1349-05): RC-R1110VR-4080-B/4090-B/4700/49002CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS. 2CONTROLS .3DISASSEMBLY FOR REPAIR.5CIRCUIT DESCRIPTION.6ADJUSTMENT.16WIRING DIAGRAM.18PC BOARD . 19SCHEMATIC DIAGRAM . 3

9、2EXPLODED VIEW .63PARTS LIST.65SPECIFICATIONS .77ContentsAccessoriesCautionsManufactured under license 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 reserve

10、d.Manufactured under license from Digital Theater Sys-tems, Inc. US Pat. No. 5,451,942 and other world-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 Com

11、patible Digital and Pacific Microsonics are either registered trade-marks or trademarks of Pacific Microsonics, 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 US

12、A: 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 patents pending.TMMODEL vs PCBMODELDESTIX05-510X05-513X07-315X08-302X11-387X13-770X25-632X35-223X92-219VR-4080-BK0-100-110-110-100-100-100-12VR-4080BP0-100-110-110-100-100-100-1

13、2VR-4090-BK0-100-110-100-100-110-110-11VR-4090-BP0-100-110-100-100-110-110-11VR-4700K0-100-110-100-100-110-110-11VR-4700P0-100-110-100-100-110-110-11VR-4900K0-100-100-100-110-120-120-100-100-10RadioFans.CN 收音机爱 好者资料库VR-4080-B/4090-B/4700/49003CONTROLS1. STANDBY indicator light2. POWER ON/STANDBY key

14、(VR-4090/VR-4080)ON/STANDBY key(KRF-V7773D)3. POWER ON /OFF switch (KRF-V7773D)4. PHONES jack5. SPEAKERS A/B key6. INPUT MODE key7. CD 2/TAPE 2/MONITOR key8. LISTEN MODE key9. SET UP key10. SOUND key11. MULTI CONTROL (Up/Down) key12. P.CALL (Up/Down) key13. MEMORY key14. AUTO key15. BAND key16. AV A

15、UX input jacks17. VOLUME CONTROL knob18. INPUT SELECTOR key19. IndicatorsCLIP INDICATORPRO LOGIC3 STEREO20. IndicatorsDTS /96 k fs /HDCDDOLBY DIGITAL /MPEG /D.R.I.V.E.21. D I S P LAY22. 2-way communication indicator23. Infrared remote sensor (KRF-V7773D only)24. IndicatorsSPEAKERS A/BCD 2/TAPE 2 MON

16、ITOR25. Infrared remote transmitterKey 5 to 15 are located inside the panel door.Whats on the Front Panel of Your Kenwood Audio-Video Receiver?Standby mode While the standby indicator of the unit is lit,a small amount of current is flowing into the unit s internal circuitry to back up thememory.This

17、 condition is referred to as the standby mode of the unit.While the unit is in the standby mode,it can be turned ONfrom the remote control unit.STANDBYON/STANDBYPHONESDOLBY DIGITALDTSMPEG96kfsD.R.I.V.E.HDCDINPUT SELECTORVOLUME CONTROLDOWNUPS VIDEOVIDEOL - AUDIO - RASPEAKERSBINPUTMODECD 2/TAPE 2MONIT

18、ORLISTENMODESET UPSOUNDMULTICONTROLP.CALLMEMORYAUTOBANDASPEAKERSCD 2 / TAPE 2MONITORBCLIPINDICATORPRO LOGIC3 STEREOAV AUX12234568101112131516171819202123241479 POWERPOWERON/STANDBYON OFFKRF-V7773D2225Keys behindthe doorMain unitWhats on Remot Control unit?Remote control2WAY LCD REMOTE CONTROL UNITMU

19、SICMOVIETVCONFIRM/SHIFTAV POWERSYS.POWERTITLE/GUIDEMENUMACROF.SHIFT+-+-RECREC MODELEARNSOUNDTUNINGBANDLISTEN M.INPUT MODESTATUSDIMMERSUB W.MUTEENTERAUTO/MONOREPEATRANDOMINPUT SEL.TV SELECTDISPLAYSELECTAUDIOTHEMEFAVORITEINFO.EXITLAST CHANNELREMOTE CONTROL UNITCH.CH.VOL.VOL. RETURN /PAGE OSD /PAGE1234

20、56798111013141215182022241617192123251. LCD indicators2. LCD function key 23. LCD function key 14. CONFIRM/SHIFT key5. MACRO key6. AV.POWER key (AV device Power key)7. AV device control keys : Play4 , : Skip8 : Pause7 : Stop8. CH.(+/-)key (AV device control keys)9. SOUND (INPUT MODE) key10. LISTEN M

21、.(DIMMER) key11. TITLE/GUIDE key (AV device control key)12. 5Cursor up (8 PAUSE)keyCursor down (AUTO/MONO, 7 STOP) key left,right (TUNING)keys ENTER (BAND)(Play)key13. RETURN/PAGE key (AV device control key)14. REC (Recording)(REC MODE) key515. Numeric keys (AV device control keys)16. LCD cursor up/

22、down keys17. Input selector keysMUSIC: Audio device selector keyMOVIE: Video device selector keyTV: TV/video monitor selector key18. SYS.POWER (Receiver power)key19. VOL.(+/-)keys20. MUTE key21. SUB W.(STATUS)key22. MENU key (AV device control keys)23. OSD/PAGE 5 key (AV device control key)24. LEARN

23、 key25. F.SHIFT (Backlight)keyHow to operate the F.SHIFT key:In addition to the functions marked on the remote control keys,those marked in blue characters above the keys can be used.To use these functions,press the F.SHIFT key then press the desired key within 8 seconds. (Example)To use the REPEAT

24、function,press the F.SHIFT key then press key 1 (REPEAT).VR-4080-B/4090-B/4700/49004CONTROLSLCD Indicators1. Playback/recording mode indicatorsPlay indicator/ 8 :Pause indicator/ REC:Record indicator/7 :Stop indicator2. Character displayShows various information such as the input device name and tra

25、ck number.3. Current function of LCD function key 14. Current function of LCD function key 25. Communication indicators:Sending. :Receiving.6.Battery indicator appears when the batteries are nearly exhausted.In this case, replace all of the four batteries together.To switch the menu:The menu can be

26、switched over or selected while LCD function key 1 and/or 2 are displayed.(Examples:Home,Back,Menu,Enter,etc.)2WAY LCD REMOTE CONTROL UNITRECREC345126Whats on Power Touch?(RC-R1110)ENTERVOLUMEUPDOWNMUTESYS.POWER CONTRASTBACKLIGHTeditmoviemusicsoundlistenmodemacroCONFIRM123456781091. Joystick 2. Conf

27、irm button3. Mute button 4. Volume up/down button 5. Contrast button6. On/Standby button7. Backlight button 8. Quick Access menu9. Touch screen display10. Stylus (stored on top edge)x2x5x5744111326x555HOOKX11(A/4)CN301CN7CN8X13X07,CN1MOTORAC CONNECTORH/PPCBX25(G/8)VR-4080-B/4090-B/4700/49005DISASSEM

28、BLY FOR REPAIR1x70X07(C/7)CN2X25(C/9)X05-5130-11X07X13(C/5)CN12CN2145778332222229667x9x22x2x2X07-3150-10(A/5)X25(B/9)X11(C/4)10 x3101011101010CN14CN61. Take out the connectors (1) X07,CN1/X13(CN7,CN8) andthe AC connetor(2).2. Take the lead (3) out of CN301 on X11(A/4) PCB.3. Take out the screws (4)

29、and (5).4. The front panel can be separated by removing 2 hooks (6)on the sub panel.5. To separate the motor from the front panel, remove thescrews (7).1. The rear panel can be separated by removing screws (1)on the rear panel.2. Take the AC connector out of CN2 on the X07(C/7).3. To separate the ch

30、assis from bottom chassis, remove thescrews (2).4. Remove CN21 and screws (3) on X13(C/5).5. Remove screws (4 to 7).6. The fan motor can be separated by removing screws (8)and the connector (CN12) on X07 PCB.7. Take the PCB X25(B/9), X11(C/4) out of X07.8. To separate the main PCB (X07) from the bot

31、tom chassis,remove screws (0).9. Set up the PCB as figure (-).10. Replace the defective transistors.HOW TO REPLACE THE POWER TRANSISTOR.HOW TO REMOVE THE FRONT PANEL AND THE MOTOR.VR-4080-B/4090-B/4700/49006CIRCUIT DESCRIPTION0 : Pull down,1:Pull upSET TYPETYPEBANDRECEIVING FREQUENCY RANGECHANNELSPA

32、CEIFPLLDIODE 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+450kHz10kHzYK31610RBDSFM87.5MHz-108.0MHz100kHz+10.7

33、MHz25kHz0010AM530kHz-1610kHz10kHz+450kHz10kHzK, PK41700RBDSFM87.5MHz-108.0MHz100kHz+10.7MHz25kHz1010AM530kHz-1700kHz10kHz+450kHz10kHzY, M, I, C, V, E, X, HE1FM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0001AM531kHz-1602kHz9kHz+450kHz9kHzTE2LWFM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0100MW531kHz-1602kHz9kHz+450kHz

34、9kHzLW153kHz-279kHz9kHz+450kHz9kHzE, TE3RDSFM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0101AM531kHz-1602kHz9kHz+450kHz9kHzTE4LWRDSFM87.5MHz-108.0MHz50kHz+10.7MHz25kHz0110MW531kHz-1602kHz9kHz+450kHz9kHzLW153kHz-279kHz9kHz+450kHz9kHzQQ1RDSFM L65.0MHz-74.0MHz10kHz+10.7MHz5kHz1011FM H87.5MHz-108.0MHz50kHz+10.7M

35、Hz5kHzAM531kHz-1602kHz9kHz+450kHz9kHzQQ2RDSFM L65.0MHz-74.0MHz10kHz+10.7MHz5kHz1100FM H87.5MHz-108.0MHz50kHz+10.7MHz5kHzMW531kHz-1602kHz9kHz+450kHz9kHzLW153kHz-279kHz9kHz+450kHz9kHzY, M, I,C, VMK2/E1 are switched by DSW1.(DSW1 = 1:K2type, 0: E1type)00X1YYRBDSK3/E1 are switched by DSW0.(DSW0 = 0:K3ty

36、pe, 1: E1type)X001XDIODE SW(DSWx) 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 thePOWER key.1-2 The Initial Condition Power On/Off: Off Volume Level: -66dB Audio Input Selector: TUNER Video Signal

37、Input Selector: VIDEO1 Remote Control Sensor: Data Front In Speaker A: On Speaker B: Off CD2/TAPE2 MONITOR: Off(TAPE MODE) Tone : Off Loudness : Off Display Mode: DEVICE+DGTL/ANLG Digital Rec Mode: Off Dimmer: Dimmer 1 Input Mode: DGTL/ANLG-AUTO Digital Rec Mode: Off HDCD/DRIVE: HDCD/DRIVE AUTO Surr

38、ound Mode: Stereo Room Size : Medium Wall Type: Medium Effect Level: 3 Midnight Mode : Off Distance: FL/FR:10ft: C:10ft: RS/LS: 5ft: SW:10ft Front Speaker: Large Center Speaker: Normal Surround Speaker: Normal Subwoofer: On SW Re-Mix: OFF Input Level: 0dB Each Speaker Level: 0dB Tone Bass: 0 Tone Tr

39、eble: 0 Tuning Mode: Auto Preset Memory: Test frequency Last Band: FM FM Last Frequency: 87.5MHz (OTHER THAN): 76.0MHz (J) AM Last Frequency: 531kHz (CH.SP 9kHz): 530kHz (CH.SP 10kHz) Last P.ch: -ch2. Destination List of TunerVR-4080-B/4090-B/4700/49007CIRCUIT DESCRIPTION3. Test Mode3-1 Entering the

40、 Test ModeWhile pressing the INPUT SELECTOR DOWN key, plug the power cord into AC wall outlet.3-2 Cancelling the Test ModeInitialized and cancel the test mode if pulling out the power cord. Not initialized and cancel the test mode if the power switch turns off.3-3 Contents of the Test Mode3-3-1 Key

41、OperationThe following operation is available when the FL is all lighting up mode only.KEYOPERATIONDISPLAYSOUND Set up the RF frequency to 411.3MHz.RF 417.3MHzLISTEN MODESet up the RF frequency to 414.3MHz.RF 414.3MHzINPUT MODESet up the RF frequency to 411.3MHz.RF 417.3MHzSET UPIndicates Tuner dest

42、ination on the FL. EX. TYPE E1TYPE E2MEMORYChanged dimmer off/1/2cyclically.All FL light onALL FL light offBAND KEYIndicates the u-com version.EX. Ver . XXXXXX-X(Main) u-comPD784215-GF570PANEL KEYFL DRVuPD780204FLPOWER ,INPUT UP/DOWN KEYSP. RLYMUTINGSELECTOR ICX11, IC3X13, IC81X13, IC22X11, IC5X13,

43、IC82X25, IC4X11, IC1X25, IC3VOL. ICX11IC301304X13, IC71X25, IC1X25, ED1X08, IC40X13, IC1/5/7/8X05, IC2NJU71311SELECTOR ICNJU71312SELECTOR ICNJU71313SUB u-comuPD784036VIDEOPANEL DOORDESTINATIONSELECTOR ICBA7649LCD REMOTETRANSMIT ICuPD17215PLL for RemoconModelLV2105VTUNER UNITLC72131VOLUME ICTC9459FVO

44、LUME ICTC9459FVOLUME ICTC9459FVOLUME ICTC9459FTONE CONTROL ICTC9184PROTECTIONPOWER RLYIR RECEIVER SL16UARTIR/RF Front/RearswitchIR/RF Front/RearswitchROTARYENCODERRELAY CONTROLFAN4. Main Microprocessor : uPD784215-GF570 (X13, IC23)4-1 Main Microprocessor Periphery Block DiagramVR-4080-B/4090-B/4700/

45、49008CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription1-8REM_D0-D7OLCD ROMOTE DATA OUT (0-7)9VDD-+5V POWER SUPPLY10VOL_DATAOVOLUME IC DATA OUT11VOL_CLKOVOLUME IC CLOCK12VOL_STBOVOLUME IC STROBE13TONE_STBOTONE IC STROBE14VOL/TONE/SEL_DATAOTONE/SELECTOR IC DATA OUT15VOL/TONE/SEL_CLKOTONE/SELECTOR IC CL

46、OCK16-18SEL_STB1-3OSELECTOR IC STROBE1-319MODEL1IDISCRIMINATION SW1 FOR MODEL20MODEL2IDISCRIMINATION SW2 FOR MODEL21RF_PLL_CEOPLL(V2105V)CE FOR RF REMOTE CONTROL22VPP TEST-CONNECTED TO GND23STEREOIPLL(LC72131) STEREO24SDIPLL(LC72131) SD25RF PLL_CLKOPLL(LC72131) CLOCK RF REMOTE CONTROL(V2105V) CLOCK2

47、6RF PLL_DATAOPLL(LC72131) DATA RF REMOTE CONTROL PLL(V2105V) DATA27PLL_DOIPLL(LC72131) DO28PLL_CEOPLL(LC72131) CE29T_MUTEOTUNER MUTE30RELAY_CONTORELAY CONTROL OUTPUT(REFER TO 5. SW CONTROL)31-33P_MACRO_A-COPERFECT MACRO (A-C)34TV_SENSITV SIGNAL DETECTION35ENC_AIVOLUME ENCODER INPUT A36ENC_BIVOLUME E

48、NCODER INPUT B37VDD-+5V POWER SUPPLY38X2O12.5MHz OSCILLATOR39X1I12.5MHz OSCILLATOR40VSS-GND41XT2-UNUSED42XT1-CONNECTED TO GND43RESETIMAIN u-COM RESET44CEICHIP ENABLE45DSW1ITUNER DESTINATION SW146DSW2ITUNER DESTINATION SW247POWER_KEY_INIPOWER KEY INPUT 48RDS_CLOCKIRDS SYNCHRONIZED CLOCK49REM1IREMOTE

49、CONTROL SIGNAL INPUT1 (FRONT PANEL)50REM2IREMOTE CONTROL SIGNAL INPUT (IR RECEIVER) 51AVDD-+5V POWER SUPPLY52AVREF-+5V POWER SUPPLY53CLOSE_SENSICLOSE SENSOR(PANEL DOOR)54OPEN_SENSIOPEN SENSOR(PANEL DOOR)55P_MACRO_INIPERFECT MACRO INPUT56THERM_SWITHERMAL SW CHANGEOVER57S_LEVELIRDS SIGNAL LEVEL INPUT5

50、8RDS_DATAIRDS SYNCHRONIZED DATA59DSW0ITUNER DESTINATION SW060INPUT_DOWN_KEY_INIINPUT DOWN KEY INPUT61AVSS-CONNECTED TO GND62S_DATAI/OSL16 DATA63S BUSYI/OSL16 BUSY64AVREF-+5V POWER SUPPLY65TEXT_RXICD TEXT UART COMMUNICATION DATA IN4-2 Pin Description of Main Microprocessor10W(91Pin)1W(92Pin)THERM SW(