Denon-AVR486-avr-sm维修电路原理图.pdf

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1、SERVICE MANUALAV SURROUND RECEIVERMODELAVR-1706/686AVR-1506/486TOKYO, JAPANDenon Brand Company, D&M Holdings Inc.X0242V.01 DE/CDM 0507Some illustrations using in this service manual areslightly different from the actual set.Please use this service manual with referring to theoperating instructions w

2、ithout fail.For purposes of improvement, specifications anddesign are subject to change without notice.本文中使用、説明都合上現物多少異場合。修理際、必取扱説明書参照上、作業行。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。補修用性能部品保有期間、製造打切後8年。注意For U.S.A. , Canada, Europe,& Taiwan R.O.C. modelVer. 1RadioFans

3、.CN 收音机爱 好者资料库2AVR-1706/686/1506/486SAFETY 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 cha

4、ssisresistance 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-1706/686/1506/486DIMENSION4AVR-1706/686/1506/486CAUTION IN SERVICINGInitia

5、lizing AV SURROUND RECEIVERAV SURROUND RECEIVER initialization should be performed when the com, peripheral parts of com, and Digital 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 f

6、lashing with an interval of about 1 second, and release your fingers from the 2 buttons and the microprocessor will be initialized.Note:If step 3 does not work, start over from step 1. All user settings will be lost and this factory setting will be recovered when this initialization mode.So make sur

7、e to memorize your setting for restoring after the initialization.時注意事項AV 初期化周辺部品、Digital 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 :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。5AVR-1706/686/1506/486ADJUSTMENTAudio SectionIdling CurrentRequired mea

8、surement equipment: DC Voltmeter1. Preparation(1) Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room temperature 15 C 30 C (59 F 86 F).(2) Presetting POWER (Power source switch)OFF SPEAKER (Speaker terminal)No load(Do not connect speaker, dummy resistor,

9、 etc.)2. Adjustment(1) Remove top cover and set VR101, VR102, VR103, VR104, VR105, on Amp. Unit, VR107SBL,107SBR on SURR.-BACK ch Amp. Unit at fully counterclockwise ( ) position.(2) Connect DC Voltmeter to test points (FRONT-Lch: TP104, FRONT-Rch: TP105, CENTER ch: TP103, SUR-ROUND-Lch: TP101, SURR

10、OUND-Rch: TP102, SUR-ROUND-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 clock-wise ( ) to adjust the TEST

11、POINT voltage to 1.5 mV 0.5 mV DC.(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.VR104TP104VR101TP101VR102,TP102TP107VR107SBRVR103,TP103VR105TP105F LchS LchS Back RchTP106VR107SBLS Back

12、 LchC chS RchF RchDC Voltmeter調整電流調整調整必要測定器 :DC Voltmeter1. 準備(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。(2) 電源OFF端子無負荷( 抵抗器接続。)2. 調整(1) 上、基板 VR101, VR102, VR103, VR104, VR105 及 SURR.-BACK 基板VR107SBL,107SBR 反時計方向 ( ) 回切状態。(2) (FRONT-Lch: TP104, FRONT- Rch: TP105, CENTER ch: TP103, SURROUND-Lch: TP101,

13、SURROUND-Rch: TP102, SURROUND-BACK Lch: TP106, SURROUND-BACK Rch: TP107) DC Voltmeter 接続。(3) 電源 AC100V（95 105V 範囲可）接続、電源 ON 。(4) ON 後、次。MASTER VOLUME（音量調節）反時計方向( ) 回、最小状態。SPEAKER（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。1.5mV 0.5mV DC(6) 予備調整 10 分後 VR101 回、次電圧設定。

14、2.5mV 0.5mV DC(7) 同方法各可変抵抗調整。6AVR-1706/686/1506/486Video Section(For AVR-1706/686 U.S.A., Canada)Component Video Level AdjustmentRequired measurement equipment etc.: Oscilloscope, DVDVIDEO PLAYER (ex: DVD-1500)Test disc: DVD T-S011. Preparation(1) Avoid direct blow from an air conditioner or an elec

15、tric fan, and adjust the unit at normal room temperature 15 C 30 C (59 F 86 F).(2) Playback the color-bar 75% of the Test Disc (Title 12) us-ing the DVD Video Player, and check that Y and C levels of the S terminal output are within the specified output levels.If they are out of the specified levels

16、, adjust with the vari-able 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 input2. Adjustment(1) Remove top cover and set VR601, VR602, VR603, on C-S VIDEO2 Unit at fully

17、 counterclockwise ().(2) Connect a pin-plug terminated with 75-ohms to Y (Cb, Cr) of the Component Video Monitor Output, and hook up the Oscilloscopes probe to both ends of the pin-plug.(3) Connect S terminal output of the DVD Player with the DVD input terminal of the Receiver.(4) Connect power cord

18、 to AC Line, and turn power switch ON.(5) Presetting. FUNCTION:DVD Playback the color-bar 75% of the Test Disc (Title 12)(6) Turn VR601 clockwise ( ) to adjust the COMPONENT Video Y voltage (except H. Sync) to 714 50 mVp-p. (Re-fer to Fig. 1)(7) Adjust the Variable Resistors of Cr: VR602 and Cb: VR6

19、03 in the same way. (Refer to Fig. 2, 3)Cb,Cr: 486 50 mVp-p. (U.S.A. & Canada model)調整調整必要測定器 : Oscilloscope, DVD VIDEO PLAYER( 例 : DVD-1500) :DVD T-S011. 準備(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。(2) DVD VIDEO PLAYER 75% (Title 12) 再生、S 端子出力 Y、C 正規出力確認。正規出力場合、内部可変抵抗器調整。(3) 電源OFF端子無負荷( 抵抗器接続。)DVD 入力

20、端子無入力2. 調整(1) 上、C-S VIDEO2 VR601, VR602, VR603 反時計方向 ( ) 回切状態。(2) Y (Cb, Cr) 75 終端接続、両端Oscilloscope 。(3) DVD VIDEO PLAYER S 端子出力本機 DVD 入力端子接続。(4) 電源電源接続、電源 ON 。(5) ON 後、次。本機 FUNCTION DVD 。 75% (Title 12) 再生。(6) VR601 時計方向 ( ) 回Y (H. Sync 除 ) 電圧調整。(Fig. 1 参照 )714mV 50mVp-p(7) 同方法 Cr: VR602、 Cb: VR603

21、 可変抵抗器調整。(fig. 2、3 参照 )Cb, Cr: 525 50mVp-p7AVR-1706/686/1506/486OscilloscopeMONITOR OUT(Y,Cb,Cr)Video SectionVR603VR602VR601CbCrY8AVR-1706/686/1506/48671450mVp-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:FLT0.020.040.0-0.5-50.05

22、0.00.00.50.060.080.048650mV (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 signal9AVR-1706/686/1506/486BLOCK DIAGRAM10AVR-1706/686/1506/486LEVEL DIAGRAMS (1/2)11AVR-1706/686/1506/486LEVEL DIAGRAMS (2/2)12AVR-1706/

23、686/1506/486SEMICONDUCTORSOnly 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。 1. ICsM30622MEP (IC201 : for AVR1706/686 model)M30622MEP (IC201 : for AVR1506/486 model)M30622MGP Terminal FunctionPIN No.PIN NAMEI/OFUNCTION1SW_SUMOSW SUMMING CONTROL2409

24、4_CLKOBU4094(IC5512) CLOCK32090_CLK(VIDEO)/SEL2/GO1706(E3): FBU2090F(IC607,615) CLOCK1706(EXCEPT E3): COMPONENT VIDEO RELAY CONTROL/LA7956(IC601,621,622) S2 CONTROL1506: BA7626(IC6513) CTLB CONTROL/LA7956(IC601,621,622) S2 CONTROL42090_DATA/SEL1/FO1706(E3): BU2090F(IC615) DATA1706(EXCEPT E3): COMPON

25、ENT VIDEO RELAY CONTROL/LA7956(IC601,621,622) S1 CONTROL1506: BA7626(IC6513) CTLA CONTROL/LA7956(IC601,621,622) S2 CONTROL52090_DATA2/VIDEO_MUTEO1706(E3): BU2090F(IC607) DATA1706(EXCEPT E3),1506: VIDEO MUTE CONTROL6RMCIREMOCON SIGNAL DATA INPUT71837_SDINIAD1837(IC808) COUT SERIAL DATA INPUT8BYTEGNDG

26、ND9CNVSS-UP GRADE PIN (TP301 CNVSS)102090_DATA/4094_DATAOBU2090(IC302) DATA/BU4094(IC5512) DATA11FLD_RST/4094_ENOLC75721(IC301) RESET CONTROL/BU4094(IC5512) OUT_ENABLE CONTROL12RESETIu-COM RESET SIGNAL INPUT13X-OUTOOSILATOR CONNECTIONPH7PH6PH5PH4PH3PH2PH1PH0PK7/TO1RSTVSSXTALEXTALPK6/CS0PK5/SI0PK4/SO

27、0PK3/SCK0PF7/AN11PF6/AN10PF5/AN9PC6PC7PA0PA1PA2PA3PA4PA5PA6PA7NCVDDVSSPK1/TXPK2/TEXPI1/RMCPI2/NMIPI3/TO0/ADJPI4/INT1/CS1PI5/SCK1PC5PC4PC3PC2PC1PC0PB7/SI2PB6/SO2PB5/SCK2PB4/TO2PB3PB2PB1PB0PJ7PJ6PJ5PJ4PJ3PJ2PJ1PJ0PD7PD6PD5PD4PD3PD2PD1PD0PI6/SO1PI7/SI1PE0/INT0PE1/INT2PE2/PWM0PE3/PWM1PE4PE5PE6PE7PG0/TxD

28、PG1/RxDPG2/EC0PG3/EC1PG4/EC2PG5/INT3PG6/INT4PG7/CINTAN0AN1AN2AN3PF0/AN4PF1/AN5PF2/AN6PF3/AN7AVDDAVREFAVSSPF4/AN812345678910111213141516171819203132333435363738394041424344454647484950100999897969594939291908988878685848382812122232425262728293080797877767574737271706968676665646362616059585756555453

29、5251TOP VIEW13AVR-1706/686/1506/48614VssGNDGND15X-INIOSILATOR CONNECTION16Vcc1(+5V)5VPOWER 5V17NCIPULL UP18FLAG0IEPROM chip select control for DSP1989057_INTILC89057(IC807) INT SIGNAL INPUT20PROTECTIONIPROTECTION SIGNAL INPUT21FLD/2090_CLKOBU2090(IC302) CLOCK/ LC75721(IC301) CLOCK22FLD_DATAOLC75721(

30、IC301) DATA23FLD_CEOLC75721(IC301) CHIP ENABLE249273_STB/CDR_TAPE_MUTEOTC9273-004(IC703) STB259273/9164_DATAOTC9273-004(IC703) DATA269273/9164_CLKOTC9273-004(IC703) CLOCK 279164_STBI/OOPEN289274_STB/MIC_RLYOAVR1706: MIC RELAY (RLY702) CONTROL2990A69/1270_CLKOTC90A69(IC609) SCLOCK/TA1270BF(IC606) SCL

31、OCK3090A69/1270_DATAI/OTC90A69(IC609) SDATA/TA1270BF(IC606) SDATA31RS232C_TXOUP GRADE PIN(TP301) TXD32RS232C_RXIUP GRADE PIN(TP301) RXD339274_DATAOOPEN349274_CLKOOPEN35PLL_DATA_INITUNER DATA IN36PLL_DATA_OUTOTUNER DATA OUT37PLL_CLKOTUNER PLL CLOCK38PLL_CEOTUNER PLL CHIP ENABEL39TUNEDITUNED SIGNAL IN

32、PUT40STEREOISTEREO SIGNAL INPUT41EPM(UP_GRADE)IUP GRADE PIN (TP301 EPM)42VOL_UPIMASTER VOLUME ENCODER(VEC301) 43VOL_DOWNIMASTER VOLUME ENCODER(VEC301) 44SEL_UPISELECT ENCONDER(VEC302)45SEL_DOWNISELECT ENCONDER(VEC302)46CE(UP_GRADE)IUP GRADE PIN (TP301 CE)47PWR_DOWNIPOWER DOWN CONTROL INPUT48RDS_DATA

33、ITDA7330BD(IC202) RDDR SIGNAL INPUT49ERR_MUTEOERROR MUTE 50BSEODIGITAL SIGNAL MUTE5189057_ENPHAILC89057(IC807) PRE EMPHASIS INFOMATION SIGNAL INPUT52SHARC_SDINISHARC(IC804) SERIAL DATA INPUT5389057_SD_INILC89057(IC807) D0 SIGNAL INPUT54EEPROM_RSTOFLASH ROM(IC805) RESET5589057_RSTOLC89057(IC807) RESE

34、T56SHARC_CEOSHARC(IC804) CHIP ENABEL57SHARC_SDOUTOCHARC(IC804) SERIAL DATA OUT5889057_CEOLC89057(IC807) CHIP ENABLE5989057/1837_SDOUTOLC89057(IC807) D1 SIGNAL / AD1837(IC808) CIN SIGNAL6089057/1837_SCLKOLC89057(IC807) CLOCK/ AD1837(IC808) CCLOCK 611837_RSTOAD1837(IC808) RESET SIGNAL OUT (TO IC821)62

35、Vcc2(+5V)5VPOWER 5V63SHARC_SCLKOSHARC(IC804) SPICLK64VssGNDGND65SHARC_RSTOSHARC(IC804) RESET SIGNAL661837_CEOAD1837(IC808) CLATCH67FLAG3ISpecial flag for ROM updata68FLAG2IDSP operation check flagPIN No.PIN NAMEI/OFUNCTION14AVR-1706/686/1506/48669FLAG1INON USE70H/P_DETIHEAD PHONE DETECT71FUNC_UPIFUN

36、CTION ENCODER (VEC303)72FUNC_DOWNIFUNCTION ENCODER (VEC303)73RDS_CLKOTDA7332BD(IC202) CLOCK FOR RDS74POWER_KEYIPOWER SWICH SIGNAL INPUT75MIC_DETIMIC DETECTION76POWER_RELAYOFRONT PANEL POWER CONTROL77STBY_LED(RED)OSTBY LED RED CONTROL78VCR_MUTE/9427_STBONON USE793811/94A27_CLKOBD3811K1(IC701) CLOCK/B

37、D3812F (IC702) CLOCK803811/94A27_DATAOBD3811K1(IC701) DATA/BD3812F(IC702) DATA81MUTE_POWEROMUTE POWER CONTROL824094_STB(RLY)OBU4094(IC552) STB834094_STB(RLY_MUTE)OOPEN844094_STB(MUTE)OBU4094(IC551) STB85S-MON_DET/JIS-MONITOR DETECT 86COMP_VIDEO_DETICOMPONENT SIGNAL INPUT DETECT87C_VIDEO_DETICONPOSIT

38、 SIGNAL INPUT DETECT88S_VIDEO_DETIS VIDEO SIGNAL INPUT DETECT89RS232C_SWOOPEN90KEY_IN1IKEY1 SIGNAL INPUT91KEY_IN2IKEY2 SIGNAL INPUT92KEY_IN3IKEY3 SIGNAL INPUT93SET_OPTIONIMODEL OPTION SELECT94STEP_OPTIONIAREA OPTION SELECT9574HC151_SWOTC74HC151(IC827) A CONTROL COAXIAL SIGNAL SELECT96AVssGNDGND97SEL

39、_CLKOSEL_CLK98VREF(+5V)5VVREF99AVcc(+5V)5VPOWER 5V10074781_CEOOPENPIN No.PIN NAMEI/OFUNCTION15AVR-1706/686/1506/486ADSP-21266SKSTZ-1B (IC804)ADSP-21266SKSTZ-2B Terminal Function13 6377372108144109TOP VIEWPIN 1 INDICATORPin NameLQFP Pin #Pin NameLQFP Pin #Pin NameLQFP Pin #Pin NameLQFP Pin #VDDINT1VD

40、DINT37VDDEXT73GND109CLKCFG02GND38GND74VDDINT110CLKCFG13RD39VDDINT75GND111BOOTCFG04ALE40GND76 VDDINT112BOOTCFG15AD1541DAI_P10 (SD2B)77GND113GND6AD1442DAI_P11 (SD3A)78VDDINT114VDDEXT7AD1343DAI_P12 (SD3B)79GND115GND8GND44 DAI_P13 (SCLK23)80VDDEXT116VDDINT9VDDEXT45DAI_P14 (SFS23)81GND117GND10AD1246DAI_P

41、15 (SD4A)82VDDINT118VDDINT11VDDINT47VDDINT83GND119GND12GND48GND84VDDINT120VDDINT13AD1149GND85RESET121GND14AD1050DAI_P16 (SD4B)86SPIDS122FLAG015AD951DAI_P17 (SD5A)87GND123FLAG116AD852DAI_P18 (SD5B)88VDDINT124AD717DAI_P1 (SD0A)53DAI_P19 (SCLK45)89SPICLK125GND18 VDDINT54VDDINT90MISO126VDDINT19GND55 GND

42、91MOSI127GND20DAI_P2 (SD0B)56GND92GND128 VDDEXT21DAI_P3 (SCLK0)57VDDEXT93VDDINT129GND22GND58DAI_P20 (SFS45)94VDDEXT130VDDINT23VDDEXT59GND95AVDD131AD624VDDINT60VDDINT96AVSS132AD525GND61FLAG297GND133AD426DAI_P4 (SFS0)62FLAG398CLKOUT134VDDINT27DAI_P5 (SD1A)63VDDINT99EMU135GND28DAI_P6 (SD1B)64GND100TDO1

43、36AD329DAI_P7 (SCLK1)65VDDINT101TDI137AD230VDDINT66GND102TRST138VDDEXT31GND67VDDINT103TCK139GND32VDDINT68GND104TMS140AD133GND69 VDDINT105GND141AD034DAI_P8 (SFS1)70GND106 CLKIN142WR35DAI_P9 (SD2A)71VDDINT107XTAL143VDDINT36VDDINT72VDDINT108VDDEXT14416AVR-1706/686/1506/486LC89057W (IC807)LC89057W Termi

44、nal FunctionFunctionPinNo.Pin Name1RXOUTOInput bi-phase select data output terminal2RX0ITTL compatible digital data input terminal3RX1ICoaxial compatible amp built-in digital data input terminal4RX2ITTL compatible digital data input terminal5RX3ITTL compatible digital data input terminal6DGNDDigital

45、 GND7DVDDDigital power8RX4ITTL compatible digital data input terminal9RX5/VIITTL compatible digital data/Validity flag input terminal for modulation10RX6/UIITTL compatible digital data/User data input terminal for modulation11DVDDDigital power for PLL12DGNDDigital GND for PLL13LPFOPLL loop filter co

46、nnecting terminal14AVDDAnalog power for PLL15AGNDAnalog GND for PLL16RMCKORMCK clock output terminal (256fs, 512fs, XIN, VCO)17RBCKO/IRBCK clock in/output terminal (64fs)18DGNDDigital GND19DVDDDigital power20RLRCKO/IRLRCK clock in/output terminal (fs)21RDATAOSerial audio data output terminal22SBCKOS

47、BCK clock output terminal (32fs, 64fs, 128fs)23SLRCKOSLRCK clock output terminal (fs/2, fs, 2fs)24SDINISerial audio data input terminal25DGNDDigital GND26DVDDDigital power27XMCKOOsc. amp output terminalI/O36 RERR1RXOUT35 INT2RX034 CKST3RX133 AUDIO/VO4RX232 EMPHA/UO5RX331 DGND6DGND30 DVDD7DVDD29 XIN8

48、RX428 XOUT9RX5/VI27 XMCK10RX6/UI26 DVDD11DVDD25 DGND12DGND24SDIN37DO23SLRCK38DI22SBCK39CE21RDATA40CL20RLRCK41XMODE19DVDD42DGND18DGND43DVDD17RBCK44TMCK/PIO016RMCK45TBCK/PIO115AGND46TLRCK/PIO214AVDD47TDATA/PIO313LPF48TXO/PIOENTOP VIEW1RXOUT32EMPHA/UO33AUDIO/VO35INT40CL39CE38DI28XOUT29XIN27XMCK34CKST41

49、XMODEInputSelector2RX03RX14RX25RX38RX49RX5/VI10RX6/UI37DO36RERR21RDATA24SDIN16RMCK17RBCK20RLRCK22SBCK23SLRCK13LPF44TMCK/PIO045TBCK/PIO146TLRCK/PIO247TDATA/PIO348TXO/PIOENClockSelectorC bit, U bitPLLDemodulation&Lock DetectMicrocontrollerI/FDataSelectorI/NModulationorParallel Port17AVR-1706/686/1506/

50、486BD3811K1 (IC701)FunctionPinNo.Pin NameI/O* For latch-up countermeasure, perform each power supply ON/OFF in the same timing.28XOUTOXtal osc. connecting output terminal29XINIXtal osc. connection, external clock input terminal (24.576MHz or 12.288MHz)30DVDDDigital power31DGNDDigital GND32EMPHA/UOI/