Denon-AVC1890-avr-sm维修电路原理图.pdf

SERVICE MANUALMODEL AVR-2105/885 AVC-1890AV SURROUND RECEIVER / AMPLIFIERTokyo, Japan X0206V.01 DE/CDM 0407For U.S.A., Canada, Europe, U.K.,Asia, China,Taiwan R.O.C., Korea& Japan model前、必読。本機、火災、感電、対安全性確保配慮、法的電気用品安全法、所定許可得製造。従際、安全性維持、記載注意事項必守。本機仕様性能改良、予告変更。Please use this service manual with referring to the operating instructions without fail.Some illustrations using in this service manual are slightly different from the actual set.修理際、必取扱説明書参照上、作業行。本文中使用、説明都合上現物多少異場合。補修用性能部品保有期間、製造打切後8年。注意For purposes of improvement, specifications anddesign are subject to change without notice.RadioFans.CN 收音机爱 好者资料库2AVR2105/885 / AVC-1890SAFETY PRECAUTIONSThe following check should be performed for the continued protection of the customer and service technician.LEAKAGE CURRENT CHECKBefore returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassisresistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of thepower cord is less than 460 kohms, the unit is defective.(1) (2) 500V1M(1) (2) RadioFans.CN 收音机爱 好者资料库3AVR-2105/885 / AVC-1890LEVEL DIAGRAMSFRONT/CENTR/SURROUND/SURROUND BACK+DIRDSPD/AD/AD/A6dBMUTE- -+D/AHPFMUTE+0dB6CH IN10dB20dB30dB40dB6CH IN0dB10dB20dB30dB40dB6CH INCD IN-12dB- -30dBFS-10dBFS0dBFSA/DA/D-30dBFS-23dBFS-20dBFS-10dBFS0dBFS-30dBFS-20dBFS-10dBFS0dBFS+- -15dB15.5dB15.5dBMUTE25.5dB25.5dB-35.5dBATT6CH INDIGITAL6CH INCD INA/D INREV AMPA/D INREV AMP-20dBFS+D/A OUT70.8mV REF6dB6dBD/A OUT100mV REF+D/A OUTLPFREV AMPSURR/SBCENTERSUM S/WSW SUMREV AMPVOL 00MUTEPOWER AMPD/A OUT100mV REF-20dB-10dB-20dB-10dBTONE CONTROL-18dBH/P OUT(200mV)(200mV)FRONTA/D INREV AMPINPUTBUFFERAMPDSP OUT-18dBVOL 00PRE AMPSPK OUTFRONT2.83V(1W/8ohm)CENTERSURROUNDSURROUND BACKSPK OUTCENTERSURROUNDSPK OUT2.83V(1W/8ohm)H/P OUT47mV(0.27mW/8ohm)SPK OUTFRONT4AVR-2105/885 / AVC-1890SUB WOOREROdBD/ALFE- -+D/ALFE6dBMUTEMUTE6CH IN-30dB-20dB-5dB30dBDSP OUT-20dBFS6dB+- -VOL 0021.5dB-10dB20dB10dB-30dBFS-10dBFS0dBFSFront D/A Out100mV refD/A OUTLPFREV AMPSW SUMREV AMPSUB WOOFERPRE OUTSUB WOOFERPRE OUT373mV(112mV)(200mV)Config1 -38dBFS10.5dBTO FRONT CH6CH INPUTSUB_WOOFERConfig2-28dBFS10dB-18dBPRE AMP5AVR-2105/885 / AVC-1890FRONT VS SW+A/DA/DDIR+- -6CH IN(200mV)DIGITALCD IN6CH IN-12dBA/D INREV AMPA/D INREV AMPA/D INREV AMPHPFD/A OUTLPF-31.2dBMUTEREV AMPSUM S/WSW SUMREV AMP-11.66dBELECTRICVOLUME21.56dB upPRE AMP-13.14dBMUTEPOWER AMP-35.5dB down-20dB-10dB0dB10dB20dB30dB40dB6CH INCD IN+INPUTBUFFERAMP- -0dBFSDSP withTone control-38dBFS-30dBFSSW-20dBFS-10dBFSFront0dBFSD/A-13.2dB- -1.54dB up-16.7dB18dB down+ATT-20dBFS18dB down16.6dB up-13.06dB26.02 dB up-30dBFS-10dBFSFRONT6.8dB upConfig16.8dB upD/A-34.7dB-29.66dB14.5dB upH/P OUT73mVSPK OUTFRONT4.35VH/P OUTSPK OUTFRONTFRONT VS SWD/A OUT100mV REF6AVR-2105/885 / AVC-1890BLOCK DIAGRAMYFM+21591349YSW12+CYY&+CBfs1-15Y414154Cr13Y1412SRSLC+LLINE_2DSDATA4DSDATA2INDAI_P13(80)LINE_1CBLINE_2CBLINE_3CRE3 ONLYEX_SWEX_SLR+SelectorHPFDATA256fsADCPD/RSTYMUTINGL.P.FFM & AMTA127064fsV.AUXVCR2V.AUXTV/DBSVCRRMC GNDFCX10-0325MHzINH+YOUTCr-+5.6VQ1022-12Q10281321Y/CEX_CEX_SREX_FLCXP 740010RESONATOR13KEY_MATRIX14IC1008DIRTUNERAVR-36VTC94A27UGTC94A27UGLC75721NE78097906MAIN +B+7805SBR-+SURR L-+-+SBRVCRLINE_2LINE_3CRLINE_3LINE_1CRLINE_1CBLINE_2AM ANTFM ANTVCR2VCR1V.AUXTUNERTV/DBSCDCOAXIALEX_SREX_FREX_FLEX_C+12.288MHz+INPUTDIRPLL CIRCUITAM TUNINGIF FILTER-fs64fsCRADCMPX ICDIGITALFILTERDIGITALFILTERSERIAL DATAI/O PORTY/Cb/Cr64fsTV/DBSVCR1DVD/VDPVCR2VCR1TV/DBSCXA1511MMUTE+RAMCIC100453S-VIDEO DET+5.6V-Q101253Q1027CMIXCbEX_SLEX_FRu-COM12MHzYAMPY/CQ1014FL DRIVERDSPu-COMDSPVOLUMEFL DRIVER7806791578057815MAIN -B+FILAMENT AC-+SBLCENTER-+SURR R-+-+-SWSLSRSBLFLSPK AMIC INPHONOADIN(24)SLRCK(23)LINE_3LINE_1IF ICALRCLK/FSTDMDSDATA3DSDATA1DAI_P15(82)DAI_P14(81)CbREMOTE CONTIN/OUTMUTE-H/P OUTFRSPK BTV/DBSANALOG OUTREC_SWITCHIGINPUT_SWITCHIGXINLock DetectSelectorVOLUMEDLRCLKMCLKVOLUMEDBCLKRDATA(21)RMCK(16)74LCX244VIDEO SWITCHBA7626DVD/VDPVCR2 OUTINHC-VIDEO INPUTDVD/VDPDACDAI_P11(78)NJM2274RCOMPONENT DET+5.6VSW F SUMDATA1.2VCODECTC90A69F+5V (A/D POWER)DSP_FRANA_INANA_INDATAJAPAN ONLYDVD/VDPANALOG INDIGITAL INLOOP FILTERFROM u-COMFRONTENDIF AMP+TC9274-011TC9273-004DEMODULATIOND-VIDEO OUTPUTIF FILTERCODECAD1837VOLUMEVOLUMEVOLUMEVOLUMEVOLUMEASDATASBCK(22)RBCK(17)RLRCK(20)BUFFERVCR1 OUTVCR2 OUTVCR1 OUTS-VIDEO INPUTVIDEO SWITCHBA7626VIDEO SWITCHBA7626VIDEO SWITCHCOMP-VIDEOINPUTRELAYDACDIGITALFILTERDACDIGITALFILTERDACSELECTOR74LVX157ADSP-21266DAI_P10(77)DAI_P9(71)DAI_P12(79)ROM128K X 8128K X 8MONITOR OUTIC1001IC1001IC1007IC606OSDLC74781IC1001C-VIDEO DETIC1008RMC DATATA1270Y/Cb/CrTUNER PLLMONITOR OUT3.3VIC1004VIDEO POWERVIDEO POWERFUNCTION,OP AMP7805FUNCTION,OP AMPRELAY B+MONITOR OUTFLTEX_SWCENTERANA_HFPAUDIO SWITCHINGANA_HFPTC9164FLT DRIVER16-ST-66GNKPOWER S/W (1-)DIGITAL OUTLC89057W-VF4VOLUMECONTROL PORTABCLKRMC IN/OUTVIDEO SWITCHBA7626DIGITALFILTERCLOCKDIGITALFILTERDAI_P16(86)DAI_P20(94)CLK_IN(142)DIGITAL AUDIO DECODERIC74781_19PINSEP OUTIC74781_5PINBLANK OUTVIDEO POWERCOMP-VIDEODSP_FLFL DISPLAYRELAYD-VIDEO INPUT(JAPAN ONLY)OPTICAL_4OPTICAL_3CONTROL DATAFRONT A L6CH_INPUTMULTI OUTVCR2 OUTVCR1 OUTCDR/TAPE OUTDVD/VDPCDR/TAPEFROM MICOMOPTICAL_2OPTICAL_1POWER S/W (2-)+5V (DSP PART PWR)SwitchedINPUTPOWER AMPDIGITAL AUDIOFRONT B RFRONT B LFRONT A RSPEAKER OUTPRE OUT7AVR-2105/885 / AVC1890CAUTION IN SERVICING Initializing AV SURROUND RECEIVERInitializing AV SURROUND RECEIVERAV SURROUND RECEIVER initialization should be performed when the mcom, peripheral parts of mcom, and DSP P.W.B. are replaced.1.Switch off the unit .2.Hold the following SPEAKERS-A button and SPEAKERS-B button, and switch on the unit.3.Check that the entire display is flashing with aninterval of about 1 second, and release your fingersfrom the 2 buttons and the microprocessor will be initializedNote: Note: If step 3 does not work, start over from step 1. Alluser settings will be lost and this factorysetting will be recovered when this initialization mode. So make sure to memorize your setting for restoring after the initialization.時注意事項 AV 初期化 AV 初期化周辺部品、DSP 基板等交換場合、AV 初期化行下。1. OFF 。2.SPEAKERS-A SPEAKERS-B 同時押、押 ON 。3. 表示約 1 秒間隔点滅確認後、2 指離。初期化。注意 :注意 :上記 3 状態場合、一度操作 1 直。 初期化行客様設定内容工場出荷 状態戻、設定内容 控初期化後再設定。8AVR-2105/885 / AVC-1890ADJUSTMENTAudio SectionIdling CurrentRequired measurement equipment : DC Voltmeter調整必要測定器 : 直流電圧計Preparation(1)Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room tempereture15 C 30 C (59 F 86 F).(2)Presetting POWER (Power sourse switch)OFF SPEAKER (Speaker terminal)No load (Do not connect speaker, dummy resistor, etc.)(1)、扇風機風通良場所避、通常使用状態置。周囲温度15 30、湿度常湿。Adjustment(1)Remove top cover and set VR101, VR102, VR103, VR104, VR105 on Amp. Unit, VR106,107 on SURR.-BACK ch Amp.Unit at full counterclockwise ( ) position.(2)Connect DC Voltmeter to test points (FRONT-Lch: TP104, FRONT-Rch: TP105, CENTER ch: TP103,SURROUND-Lch:TP101, SURROUND-Rch:TP102, SURROUND-BACK Lch:TP106, SURROUND-BACK Rch:TP107).(3)Connect power cord to AC Line, and turn power switch ON.(4)Presetting.MASTER VOLUME : - counterclockwise ( min.)MODE: 7CH STEREOFUNCTION: CD(5)Within 2 minutes after the power on, turn VR101 clockwise ( ) to adjust the TEST POINT voltage to 1.5 mV 0.5 mVDC.(6)After 10 minutes from the preset above, turn VR101 to set the voltage to 2.5 mV 0.5 mV DC.(7)Adjust the Variable Resistors of other channels in the same way.(1)上、基板VR101,VR102,VR103,VR104,VR105及Surr. Back基板VR106,107反時計方向()回切状態。 (2)(FRONT-Lch: TP104, FRONT-Rch: TP105, CENTER ch: TP103, SURROUND-Lch: TP101,SURROUND-Rch: TP102, SURROUND-BACK Lch: TP106, SURROUND-BACK Rch: TP107)直流電圧計接続。(3)電源AC100V（95 105V 範囲可）接続、電源ON。(4)後、次。 VOLUME（音量調節）反時計方向 ()回、最小状態。 SPEAKER-A（端子）無負荷（、抵抗器接続。）MODE : 7CH STEREOFUNCTION : CD(5)2分以内VR101時計方向()回電圧次調整。 1.5mV0.5mV DC (6)予備調整10分後VR101回、次電圧設定。2.5mV0.5mV DC (7)同方法各可変抵抗調整。VR104TP104VR105TP105VR107VR106TP107TP106S BRS BLS RchVR102TP102VR103,TP103C chVR101,TP101F LchS LchF RchDC Voltmeter9AVR-2105/885 / AVC-1890Video Section (For U.S.A., Canada & Japan)Component Video Level AdjustmentRequired measurement equipment etc: Oscilloscope, DVDVIDEO PLAYER (ex: DVD-1500)Test Disc: DVD T-S01Preparation(1) Avoid direct blow from an air conditioner or an electricfan, and adjust the unit at normal room temperature 15C 30 C (59 F 86 F).(2) Playback the color-bar 75% of the Test Disc (Title 12)using the DVD Video Player, and check that Y and Clevels of the S terminal output are within the specifiedoutput levels.If they are out of the specified levels, adjust with thevariable resister inside of the unit.(3) Presetting?POWER (Power source switch)OFF?SPEAKER (Speaker terminal)No load(Do not connect speaker, dummy resistor, etc.)?DVD (Video terminal)No inputAdjustment(1) Remove top cover and set VR608, VR609, VR610 onC-S VIDEO2 Unit at fully counterclockwise ( ).(2) Connect a pin-plug terminated with 75-ohms to Y(Cb,Cr) of the Component Video Monitor Output, and hookup the Oscilloscopes probe to both ends of the pin-plug.(3) Connect S terminal output of the DVD Player with theDVD input terminal of the Receiver.(4) Connect power cord to AC Line, and turn power switchON.(5) Presetting?FUNCTION:DVD?Playback the color-bar 75% of the Test Disc (Title 12)(6) Turn VR610 clockwise ( ) to adjust theCOMPONENT VideoY voltage (except H.Sync) to 71450 mVp-p. (Refer to Fig.1)(7) Adjust the Variable Resistors of Cr: VR609 and Cb:VR608 in the same way. (Refer to Fig. 2, 3)Cb,Cr: 48650 mVp-p. (U.S.A. & Canada model)52550 mVp-p. (Others):Oscilloscope, DVD VIDEO PLAYER(: DVD-1500):DVD T-S01(1)1530(2) DVD VIDEO PLAYER75(Title12)SYC(3)?OFF?()?DVD(1)C-S VIDEO2 ()(2)Y(Cb, Cr)75Oscilloscope(3) DVD VIDEO PLAYERSDVD(4)ON(5) ON?FUNCTIONDVD?75(Title12)(6) VR610 ()Y(H.Sync)(Fig.1)714mV 50mVp-p(7)Cr: VR609Cb: VR608(Fig.23)Cb,Cr: 52550 mVp-p.VR608, VR609, VR61010AVR-2105/885 / AVC-1890OscilloscopeVR610VR608VR609Video SectionMONITOR OUT (Y, Cb, Cr)CrYCb11AVR-2105/885 / AVC-189071450mVp-pVoltsIRE:FLTY-Signal-20.0-10.00.010.020.030.00.50.0100.00.540.050.060.048650mV (U.S.A. & Canada model) p-pVoltsIRE:FLT0.020.040.0-0.5-50.050.00.00.50.060.080.048650mV (U.S.A. & Canada model) p-pVoltsIRE:FLT0.020.040.0-0.5-50.050.00.00.50.060.080.0Fig.1 Component Video Y signalFig.2 Cb signalFig.3 Cr signal12AVR-2105/885 / AVC-1890SEMICONDUCTORSOnly major semiconductors are shown, general semiconductors etc. are omitted to list.主半導体記載。汎用半導体記載省略。PINNo.PIN NAMEI/OFUNCTION19274 STBOTC9274 CONTROL29274 73 9164 CLKOTC9274/TC9273/TC9164 CLOCK39274 73 9164 DATAOTC9274/TC9273/TC9164 DATA4FRONT MUTEOFRONT MUTE59273 CEOTC9273 CONTROL6ERR_MUTEOERR MUTE7ERR_MUTE_OFFOERR MUTE OFF8BSEODIGITAL SIGNAL MUTE989057_EMPHAILC89057 CONTROL10SW_SUMOSW SUMMING CONTROL11SHARC_SDINISHARC EX(DSP) DATA INPUT1289057_SDINILC89057 CONTROL13EPROM_RESETOEPROM RESET1489057_RESETOLC89057 RESET15SHARC_CSOSHARC EX(DSP) CS16SHARC_SDOUTOSHARC EX(DSP) DATA OUTPUT1789057_CEOLC89057 CONTROL1889057/1837_SDOUTOCONTROL DATA1989057/1837_SCLKOCONTROL CLOCK201837_RESETOCODEC RESET219164_STBOTC9164 CONTROL22SW_MUTEOSW MUTE23RELAY_SURR_BOSURROUND BACK RELAY24RELAY_FRONT_AOFRONT A RELAY25RELAY_SURROSURROUND RELAY26RELAY_CNTOCENTER RELAY? ? ? ? ? ICsCXP740010(IC201)PH7PH6PH5PH4PH3PH2PH1PH0PK7/TO1RSTVSSXTALEXTALPK6/CS0PK5/SI0PK4/SO0PK3/SCK0PF7/AN11PF6/AN10PF5/AN9PC6PC7PA0PA1PA2PA3PA4PA5PA6PA7NCVDDVSSPK1/TXPK2/TEXPI1/RMCPI2/NMIPI3/TO0/ADJPI4/INT1/CS1PI5/SCK1PC5PC4PC3PC2PC1PC0PB7/SI2PB6/SO2PB5/SCK2PB4/TO2PB3PB2PB1PB0PJ7PJ6PJ5PJ4PJ3PJ2PJ1PJ0PD7PD6PD5PD4PD3PD2PD1PD0PI6/SO1PI7/SI1PE0/INT0PE1/INT2PE2/PWM0PE3/PWM1PE4PE5PE6PE7PG0/TxDPG1/RxDPG2/EC0PG3/EC1PG4/EC2PG5/INT3PG6/INT4PG7/CINTAN0AN1AN2AN3PF0/AN4PF1/AN5PF2/AN6PF3/AN7AVDDAVREFAVSSPF4/AN8123456789101112131415161718192031323334353637383940414243444546474849501009998979695949392919089888786858483828121222324252627282930807978777675747372717069686766656463626160595857565554535251TOP VIEWCXP740096 Terminal Function13AVR-2105/885 / AVC-189027RELAY_H/PORELAY H/P28FUNC_UPOENCODER INPUT (FUNCTION)29H/P_DETECTIDETECT H/P30FUNC_DOWNOENCODER INPUT (FUNCTION)31SURR_SB_MUTEOSURROUND BACK MUTE32CNT_MUTEOCENTER MUTE33TA1270_TC90A69F_CLKOTA1270/TC90A69F CONTROL34SURR_MUTEOSURROUND MUTE35NC-36MULTI SB RLYOZONE2/SURROUND BACK : SELECTION RELAY37RELAY_FRONT_BOFRONT B RELAY38FL_DRV_RSTOLC75721 RESET39RELAY_POWEROPOWER RELAY40RESETIRESET41GND-GND42XTAL-OSILATOR CONECTION43EXTAL-OSILATOR CONECTION44FL_DRV_CEOLC75721 CE45FL_DRV_DATAOLC75721 DATA46FL_DRV/2090_CLKOLC75721/BU2090 CLOCK472090_DATAOBU2090 DATA48VOL_DOWNIENCODER INPUT (VOLUME)49VOL_UPIENCODER INPUT (VOLUME)50SEL_DOWNIENCODER INPUT (SELECTOR)51SEL_UPIENCODER INPUT (SELECTOR)52AVSS-AVSS53VREF-VREF54AVDD-AVDD5589057_INT-LC89057 INT56TA1270_TC90A69 DATAOTA1270/TC90A69 DATA57GREEN_LEDOGREEN LED58SET_OPTIMODEL SELECT59STEP_OPTIAREA SELECT60KEY_IN3IKEY INPUT61KEY_IN2IKEY INPUT62KEY_IN1IKEY INPUT63PWR_DOWNIPOWER DOWN DETECT64PROTECTIPROTECTION65C-VIDEO_DETIComposit Signal Detect input66SHARC_SCLKOSHARC EX(DSP) SCLK671837_CEOCODEC CE68SHARC_RESETOSHARC EX(DSP) RESET69FRONT_MUTEOFRONT MUTE70STBY_LEDOSTANDBY LED71NC-72NC-7374781 CS-LC74781 CONTROL ENABLE7474781 SCLKOLC74781 CONTROL CLOCK75SURR_BACK_MUTEOSURROUND BACK MUTE762090 CLK2OBU2090 CLOCK2(VIDEO)77RDS_DATAITDA7330 CONTROL DATA78RDS_CLKITDA7330 CLOCK DATA79FLAG3ISpecial flag for ROM updata80FLAG2IDSP operation check flag81FLAG1INON USE82FLAG0IEPROM chip select control for DSP83MULTI MUTEOMULTI MUTE84S-VIDEO_DETIS Signal Detect input85REMOCONIREMOTE CONTROL SIGNAL INPUT86COPM_DETICompornent Signal inputPINNo.PIN NAMEI/OFUNCTION14AVR-2105/885 / AVC-189087OVERLOADIOVERLOAD DETECT88VSS-VSS89VDD(BACK UP)-VDD FOR BACK UP90NC-91TC94A27UG_STB-TC94A27UG CONTROL92TC94A27UG_PLL_DATAOPLL CONTROL (LC72131),DATA (TC94A27UG)93TC94A27UG_PLL_CLKOPLL CONTROL (LC72131),CLOCK (TC94A27UG)94PLL_DT_INIPLL CONTROL (LC72131)95TU_MUTEOTUNER MUTE96STISTEREO DETECT97TUNEDITUNE DETECT98PLL_CEOPLL CONTROL (LC72131)992090_CLK1OBU2090 CLOCK(VIDEO)1002090_74781_DATAOBU2090/LC74781 CONTROL DATA(VIDEO)PINNo.PIN NAMEI/OFUNCTION15AVR-2105/885 / AVC-1890ADSP-21266SKSTZ-2B (IC804)ADSP-21266SKSTZ-2B Terminal Function13 6377372108144109TOP VIEWPIN 1 INDICATORPin NameLQFP Pin #Pin NameLQFP Pin #Pin NameLQFP Pin #Pin NameLQFP Pin #VDDINT1VDDINT37VDDEXT73GND109CLKCFG02GND38GND74VDDINT110CLKCFG13RD39VDDINT75GND111BOOTCFG04ALE40GND76 VDDINT112BOOTCFG15AD1541DAI_P10 (SD2B)77GND113GND6AD1442DAI_P11 (SD3A)78VDDINT114VDDEXT7AD1343DAI_P12 (SD3B)79GND115GND8GND44 DAI_P13 (SCLK23)80VDDEXT116VDDINT9VDDEXT45DAI_P14 (SFS23)81GND117GND10AD1246DAI_P15 (SD4A)82VDDINT118VDDINT11VDDINT47VDDINT83GND119GND12GND48GND84VDDINT120VDDINT13AD1149GND85RESET121GND14AD1050DAI_P16 (SD4B)86SPIDS122FLAG015AD951DAI_P17 (SD5A)87GND123FLAG116AD852DAI_P18 (SD5B)88VDDINT124AD717DAI_P1 (SD0A)53DAI_P19 (SCLK45)89SPICLK125GND18 VDDINT54VDDINT90MISO126VDDINT19GND55 GND91MOSI127GND20DAI_P2 (SD0B)56GND92GND128 VDDEXT21DAI_P3 (SCLK0)57VDDEXT93VDDINT129GND22GND58DAI_P20 (SFS45)94VDDEXT130VDDINT23VDDEXT59GND95AVDD131AD624VDDINT60VDDINT96AVS