Denon-AVR5700-avr-sm维修电路原理图.pdf

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1、Hi-Fi ComponentAV SURROUND AMPLIFIER / RECEIVERSERVICE MANUALMODEL AVC-A1DSAFETY PRECAUTIONS.2SPECIFICATIONS .2WIRE ARRANGEMENT .3DISASSEMBLY . 47LEVEL DIAGRAMS .8,9CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK .10,11ADJUSTMENT. 1214SEMICONDUCTORS . 1539PRINTED WIRING BOARDS . 4047NOTE FOR PARTS LIST.48PA

2、RTS LIST OF P.W.B. UNIT ASSY . 4870ADDENDUM PARTS LIST OF P.W.B. UNIT ASSY . 7175EXPLODED VIEW .76PARTS LIST OF EXPLODED VIEW .77ADDENDUM PARTS LIST OF EXPLODED VIEW .78BLOCK DIAGRAM .79WIRING DIAGRAM.80SCHEMATIC DIAGRAMS . 8197 TABLE OF CONTENTS Some illustrations using in this service manual are s

3、lightly different from the actual set.AVR-5700MODELRadioFans.CN 收音机爱 好者资料库2AVC-A1D/AVR-5700SAFETY 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

4、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.SPECIFICATIONSAudio Section(Power Amplifier)Rated output:Front:14

5、0 W + 140 W(8 /ohms, 20 Hz 20 kHz with 0.05 % T.H.D.)170 W + 170 W(8 /ohms, 1 kHz with 0.7 % T.H.D.)Surround:140 W 5 ch(6 /ohms, 1 kHz with 0.7 % T.H.D.)Dynamic Power:190 W 2 ch (8 /ohms), 310 W 2 ch (4 /ohms), 390 W 2 ch (2 /ohms)Output terminals:Front/Center: 6 to 16 /ohmsSurround:A or B 6 to 16 /

6、ohms, A + B 12 to 16 /ohms(Analog)LINE input-PRE OUTInput sensitivity/Input impedance: 200 mV/47 k/kohmsFrequency response:10 Hz 100 kHz: +0, 3 dB (Direct mode)S/N ratio:105 dB (IHF-A weighted, Direct mode)Total harmonic distortion:0.005 % (20 Hz 20 kHz, Direct mode)Rated/Maximum output:1.2 V/8 VPHO

7、NO input-REC OUTInput sensitivity/Input impedance: 2.5 mV/47 k/kohmsRIAA deviation:1 dB (20 Hz 20 kHz)S/N ratio:74 dB (IHF-A weighted, with 5 mV input)Total harmonic distortion:0.03 % (1 kHz, 3 V)Rated/Maximum output:150 mV/8 VMaximum headphones output:284 mW (8 /ohms)(Digital)D/A outputRated output

8、:2 V (at 0 dB playback)Total harmonic distortion:0.005 % (1 kHz, at 0 dB)S/N ratio:105 dB (IHF-A weighted)Dynamic range:96 dBDigital input:Format-Digital audio interfaceVideo Section(Standard Video Jacks)Input/output level and impedance:1 Vp-p, 75 /ohmsFrequency response:5 Hz 10 MHz: +0, 3 dB(S-Vide

9、o Jack)Input/output level and impedance:1 Vp-p, 75 /ohms (Y signal/luminance)0.286 Vp-p, 75 /ohms (C signal/chrominance)Frequency response:5 Hz 10 MHz: +0, 3 dB(Video Comp. Jack)Input/output level and impedance:1 Vp-p, 75 /ohms (Y signal/luminance)0.7 Vp-p, 75 /ohms (Cb signal/blue)0.7 Vp-p, 75 /ohm

10、s (Cr signal/red)Frequency response:5 Hz 20MHz: +0, 3 dBTuner section (AVR-5700 only)FM (note: V at 75 /ohms, 0 dBf = 1 10-15 W)AMReceiving range:87.50 MHz 107.90 MHz520 kHz 1710 kHzUsable sensitivity:1.0 V (11.2 dBf)50 dB quieting sensitivity:MONO:1.6 V (15.3 dBf)STEREO: 23 V (38.5 dBf)S/N ratio:MO

11、NO:80 dB (IHF-A weighted)STEREO: 75 dB (IHF-A weighted)Total harmonic distortion:MONO:0.15 % (1 kHz)STEREO: 0.3 % (1 kHz)GeneralPower supply:AC230 V, 50 Hz (Europe & Asia models)AC120 V, 60 Hz (U.S.A. / Canada & Taiwan R.O.C. models)Power Consumption:11 AMaximum external dimensions:434 (W) 181 (H) 4

12、94 (D) mm (17-3/32 7-1/8 19-29/64)Weight:21.5 kg (47 lbs)Remote control unit (RC-853)Batteries:R6P/AA Type (two batteries)External dimensions:70(W) 215 (H) 24 (D) mm (2-3/4 8-15/32 15/16)Weight:200 g (Approx. 7 oz) (including batteries)RadioFans.CN 收音机爱 好者资料库3AVC-A1D/AVR-5700WIRE ARRANGEMENTIf wire

13、bundles are untied or moved to perform adjustment or parts replacement etc.,be sure to rearrange them neatly as theywere originally bundled or placed afterward.Otherwise, incorrect arrangement can be a cause of noise generation.Wire arrangement viewed from the topWire arrangement viewed from the bot

14、tom.CAUTIONTake care in case of the unit isplaced in the bottom downposition with its cover removed,as the capacitors on D/A P.W.B.and holders on Main P.W.B. arecome to be protruded from thebottom level.4AVC-A1D/AVR-5700DISASSEMBLY( Follow the procedure below in reverse order when reassembling )Top

15、Cover(1) Remove 9 screws on both sides and on the top.(2) Remove 4 screws on the rear and detach the top coverby sliding to the arrow direction.1211211Top Cover12Front Panel(1) Disconnect the FFC from its connector.(2) Remove 4 screws and 4 screws fixing the frontpanel at its top and bottom edges, t

16、hen detach it to thearrow direction.P.W.B.s on Front Panel(1) FLD, Master VR P.W.B.Remove 7 screws after taking off the nut and knob forthe master volume.(2) Tact SW P.W.B.Remove 8 screws after taking off the nuts and knobsfor the tone volumes.(3) Remo-con. P.W.B.Remove 2 screws after taking off the

17、 nut and knob forthe input selector.(4) Power SW P.W.B.Remove 2 screws .Remo-con.P.W.B.Input Selector KnobTact SWP.W.B.Master VRP.W.B.Power SWP.W.B.FLD P.W.B.Master VR Knob Tone Knob33332223Front PanelFFC Cable55555555AVC-A1D/AVR-5700Power Trans.(1) Remove 4 screws and 2 screws fixing the trans.brac

18、ket to the chassis.(2) Pull out the power trans. upward.(3) Remove 4 screws fixing the power trans. to the bracket.Power Radiator(1) Remove 6 screws to detach the comp. video P.W.B.(2) Remove 4 screws and 1 screw , and release 2P.W.B. holders, then pull out the radiator sub-assy in thearrow directio

19、n.Power Trans.55255Trans. Bracket552Comp. Video P.W.B.P.W.B. Holder67876786AVC-A1D/AVR-5700DSP, D/A P.W.B.(1) Remove 6 screws to detach the D/A cover.(2) Release 4 P.W.B. holders, and detach the D/A P.W.B.(3) Remove 7 screws and 4 screws to detach the DSPP.W.B.P.W.B.s on Back Panel(1) Remove 1 screw

20、 (C) and 3 screws (D) fixing 2 supportbrackets,and 2 screws (D) fixing P.W.B. support.(2) Remove 3 screws (C), 2 screws (E), and 27 screws (F)from the back panel.(3) Detach the back panel after removing P.W.B. holder.(4) Pull up each P.W.B. in the arrow direction.22D/A CoverD/A P.W.B.4P.W.B. HolderD

21、SP P.W.B.6264SupportBracketP.W.B.SupportAudio In P.W.B.BackPanelP.W.B. HolderAVR-5700 onlyAVR-5700 only444363654636344356Ext. In VR P.W.B.SP1 P.W.B.SP2 P.W.B.Tone Pre-out P.W.B.Connect P.W.B.S-video P.W.B.C-video P.W.B.Pre-reg. P.W.B.(1) Remove 2 screws (G) to detach the washers and insulationsheet.

22、(2) Remove 5 screws (I) fixing the Pre-reg. P.W.B. andtransistors.(3) Detach the Pre-reg. P.W.B. after releasing 3 P.W.B.holders.H/P P.W.B.(1) Remove the bottom cover.(2) Remove the screw (J) and snap plate to detach the H/PP.W.B.CAUTION:? Do not detach the back panel when placing the unitother than

23、 normal position for servicing.? Be careful not to give any stress when the unit isplaced in the bottom down position with its coverremoved, as the capacitors on D/A P.W.B. (1U-3179-2) and holders on Main P.W.B. (1U-3127-1) are cometo be protruded from the bottom level.10H/P P.W.B.Snap Plate1099Pre-

24、reg. P.W.B.P.W.B.HolderFront ChassisWasher779Insulation Sheet7AVC-A1D/AVR-5700AVC-A1D/AVR-5700LEVEL DIAGRAMSFRONT chCENTER ch8AVC-A1D/AVR-5700SURROUND chSUB. WOOFER ch910AVC-A1D/AVR-57007CH4FRONT DATACH1 DATA (L)CH2 WCLK6CH1 64fsCH2 fsCH3 256fs5CH1 DATACH2 FSYNCCH3 256fs3CH3 64fsCH1 DATA4CH2 FSYNCCH

25、3 64fsCH1 DATACH2 FSYNCCH3 256fs2CH1 DATACH2 fsCH1IC510 (5)1CLOCK FLOW & WAVE FORM IN DIGITAL BLOCKWave Form6chSERIAL I2SAL24 PROCESSINGD/A CONVERTERIC120IC304IC309MSM32R0050-521GSDXP6001AFPCM1704UINPUTBUFFERSELECTORDIRA/D SELECTORIC532MCK1(22)(42)XTIBCKO(20)(2)BCLKSN74LV14APWBCK1(20)(7)DBCKWCKO(21)

26、(7)WCLKFLchIC510IC531IC525(8)(33)MCK0LRCK1(18)(5)DLRCKSO1L(30)(1)DATASN74HCLC89055WSN74AHC157PW(6)DATA3(10)(8)DDTSO1R(31)151NS(4)DATA4(12)CKOUT(13)(13)(2)DATA5(14)IC310(5)(5)DIN2BCK(14)PCM1704ULRCK(15)RFS1DATA2DATAD(16)(4)(8)(2)BCLK(7)WCLKFRchXIN(22)(13)(9)(1)DATAIC10212.288MHzSN74LV00APWDIGITAL FIL

27、TERIC528(6)IC305IC311SG-8002FSYNCDF1704PCM1704U(3)(6)XTIBCKO(26)(2)BCLK(2)BCKINWCKO(25)(7)WCLKSLch(85)(81)(83)(77)(76)(72)(28)LRCINDOL(24)(1)DATAA/D CONVERTERRFS0RCLK0DR0RFS1RCLK1DT1(1)DINDOR(23)IC527IC312AK5351VSPCM1704URCLK1(76)(81)RCLK0MCLK(17)(2)BCLKAINSCLK(18)RFS1(77)(85)RFS0DIGITAL FILTER(7)WC

28、LKSRchLRCK(19)IC306(1)DATASDATA(21)DT1(72)(83)DR0DF1704IC103IC110(6)XTIIC313(2)BCKINPCM1704U* fs is a sampling frequencey of input digital signal.ADSP-21061LADSP-21061L(28)LRCIN e.g.:sampling frequency 48kHz fs=48kHz(1)DINBCKO(26)(2)BCLKWCKO(25)(7)WCLKCch* 64fs and 256fs are 64 or 256 times the samp

29、ling DOL(24)(1)DATAfrequency respectively. e.g.:sampling frequency 48kHz 64fs:48kHzX64=3.072MHz1st DSP2nd DSPIC307 256fs:48kHzX256=12.288MHzPCM1716EDOLBY DIGITAL DecodeTHX Filter Processing* The sampling frequency for analog input is fixed DTS DecodeSound Simulation(5)XTIto 48kHz internally.Down-Mix

30、 ProcessingBus-Management Processing(3)BCKINSWch(1)LRCIN* (No.) indicates the pin number of individual IC.(2)DIN* The arrow indicates the direction of signal flow,as the input terminal pointed by the arrowhead1U-3173-1 DSP UNIT1U-3179-2 D/A UNITand the output terminal by the opposite.11256fs64fsfsDA

31、TA256fs256fs256fs256fsFSYNCDATADATA256fs64fsfsFRONTCENTER/SWSURROUND1234567AVC-A1D/AVR-570012AVC-A1D/AVR-5700ADJUSTMENTTuner Section (AVR-5700 only)CONNECTION DIAGRAM OF MEASURING INSTRUMENTS? FM? AM75ohmFMSSGSTEREOMODULATORIC303TP301T302VR301VR3021U-3126-1 TUNER UNITDIGITALVOLTMETERIC303T3041U-3126

32、-1 TUNER UNITGNDAMAM IFOUTOSCILLOSCOPE12 Pin13FM/MPX ALIGNMENTInputOutputAdjustStepAlignmentItemTuningFrequencySettingTypeFrequencyInput LevelModulationCouplingTypeConnect toPointsAdjust toRemarks1Tuning Center98.1 MHzFM SSG98.1 MHz60 dBNoneAntennaTerminalDigitalVoltmeterTP301T302 50mVFunction : FMM

33、ode : Auto2Separation98.1 MHzFM SSG98.1 MHz60 dBStereo (L)1KHz 100%AntennaTerminalACVoltmeterAUDIOOUTTerminal (R)VR302MaximumSeparation3Signal Level98.1 MHzFM SSG98.1 MHz20 dBOffAntennaTerminalVR301Light“TUNED”FLDCharacterAM ALIGNMENTOutputAdjustmentStepAlignmentItemFrequencyInputTypeConnect toPoint

34、sAdjust toRemarks1IFIF SWEEP(Input level is not over to work A.G.C.)OscilloscopeIC303 12PinT304Maximum height and bestsymmetry curveAVC-A1D/AVR-570014AVC-A1D/AVR-5700Audio SectionIdling Current (1U-3126-2)Required measurement equipment : DC VoltmeterPreparation(1)Avoid direct blow from an air condit

35、ioner or an electric fan, and adjust the unit at normal room tempereture 15 C 30 C(59 F 86 F).(2)Presetting POWER (Power sourse switch)OFF BASS, TREBLE (Tone control)FLAT: (Controls to center) SPEAKER (Speaker terminal)No load (Do not connect speaker, dummy resistor, etc.)Adjustment(1)Remove top cov

36、er and set VR701, VR702, VR781, VR741, VR742, on 1U-3126-2 (Power Unit) at full counterclockwise ( ) position.(2)Connect DC Voltmeter to test points (FRONT-Lch: TP801, FRONT-Rch: TP802, CENTER ch: TP805, SURROUND-Lch:TP803, SURROUND-Rch: TP804).(3)Connect power cord to AC Line, and turn power switch

37、 ON.(4)Presetting.MASTER VOLUME : - counterclockwise ( min.)MODE: 5CH STEREOFUNCTION: CD(5)Within 2 minutes after the power on, turn VR701 clockwise ( ) to adjust the TEST POINT voltage to 1.5 mV 0.5 mVDC.(6)After 10 minutes from the preset above, turn VR701 to set the voltage to 3 mV 0.5 mV DC.(7)A

38、djust the Variable Resistors of other channels in the same way.1U-3128-31U-3126-2VR742VR702VR781VR701VR741TP804TP802TP805TP801TP803S RchC chF LchF RchS LchPower TransDC Voltmeter15AVC-A1D/AVR-5700NameFunctionTMP88CU74F Terminal FunctionPinNo.1P02/S01OSD DATAOCEuSZLOSD control output (M35015)2P03OSD

39、RSTOCZHOSD control output (M35015)3P04ST/MONOOCZLSTEREO/MONO control signal (L: Stereo)4P05PLFL DATAOCSZLPLL, FL control terminal (LC72131 & LC7511NE)5P06PLL STBOCZLPLL control terminal (LC72131)6P07PLFL CLKOCSZLPLL, FL control terminal (LC72131 & LC7511NE)7VssVssIGNDLGND8XoutXoutOXTAL9XinXinIXTAL10

40、RESET_RESET_IEuLvLReset input11P22/XTOUT TUNES_IEuLvZTuned detection (L: Tuned)12P21/XTINSTEREO_IEuLvZAt stereo receive: L13TESTTESTIGNDSConnect to GND14P20/INT5_B.DOWN_IEuLvZPower down detect (L: Power down)15P10/INT0_PROTEST_IEdE&LZPROTECTION detect input (L: Detected)16P11/INT1S1OCZLVideo switchi

41、ng control terminal17P12SELC(F)IEuLvZInput selector SW rotary detect input (rotary encoder)18P13SELD(F)IEuLvZInput selector SW rotary detect input (rotary encoder)19P14SW L/R 7.1OCZLEFFECT L/R muting control terminal20P15/INT3REMOCONIEdE&LZRemote control signal input21P16/INT2ACKOCZLMAIN-SUB CPU com

42、m. control terminal22P17/INT4REQIEuZLMAIN-SUB CPU comm. control terminal23P30/SCLSII(C)MAIN-SUB CPU comm. control terminal24P31/SDASOO(C)MAIN-SUB CPU comm. control terminal25P32/SCK0_ CLKI/O(C)MAIN-SUB CPU comm. control terminal26P40/AIN0MODEIEuLvZDestination switching input27P41/AIN1KEY1IEuLvZButto

43、n input 128P42/AIN2KEY2IEuLvZButton input 229P43/AIN3KEY3IEuLvZButton input 330P44/AIN4KEY4IEuLvZButton input 431P45/AIN5FUNC/T. CON CLKOCEdZLFunction (TC9274N, TC9273) / Tone (TC9184P) control output32P46/AIN6FUNC/T. CON DATAOCEdZLFunction (TC9274N, TC9273) / Tone (TC9184P) control output33P47/AIN7

44、S2OCZLVideo switching control terminal34P50/AIN8E.VOL STB-1OCEdLLE. volume control output (TC9459)35P51/AIN9E.VOL STB-2OCEdLLE. volume control output (TC9459)36P52/AIN10E.VOL DATAOCEdLHE. volume control output (TC9459)37P53/AIN11E.VOL CLKOCEdLHE. volume control output (TC9459)SymbolSEMICONDUCTORS?IC

45、sNote: Abbreviation ahead of IC No. indicates the name of P.W.B.AU: Audio In & SP P.W.B.TU: Tuner & Amp P.W.B.RE: Rectifier P.W.B.TO: Tone, Pre-out P.W.B.VI: Video & FLD P.W.B.MA: Main & Reg. P.W.B.DS: DSP P.W.B.EX: Ext. In & DA P.W.B. TMP88CU74F (MA: IC201)124254041646580I/OTypeOpDetResInitFunction

46、38VASSVASSIRef. V (GND)39VAREFVAREFIRef. V (VDD)40VDDVDDIPower41P61FL CEIPEdSLHFL display control output (LC75711NE)42P61FL RESOPEdSLHFL display control output (LC75711NE)43P62FUNC STBAOPEdZLFunction control output (TC9274N) INPUT44P63FUNC STBBOPEdZLFunction control output (TC9273) REC OUT, REC INH4

47、5P64TONE CON. STBOPEdZLTONE control output (TC9184P)46P65STANDBYOPIdLHStandby LED drive output (H: Light)47P66EXP OEOPEdLHPort expander control terminal (TC4094B)48P67EXP CLKOPEdLLPort expander control terminal (TC4094B)49P70EXP DATAOPEdLLPort expander control terminal (TC4094B)50P71EXP STB1OPEdLLPo

48、rt expander control terminal (TC4094B)51P72LED CLKOPSZHLED control terminal (M66313)52P73LED DATAOPSZHLED control terminal (M66313)53P74LED LEOPZHLED control terminal (M66313)54P75LED OEOPZHLED control terminal (M66313), set input port at STBY55P76MULTI MUTEOPEdLHMULTI MUTE output (L: Mute)56P77H/P

49、RELAYOPIdLLH/P OUT relay control output (L: Mute)57P80POWEROPIdLHPower relay control output (L: ON)58P81RESET2_OPIdLHSub CPU control reset output (H: Reset control)59P82F RELAYOPIdLvLFront SP relay control terminal (L: Mute)60P83C RELAYOPIdLHCenter SP relay control terminal (L: Mute)61P84SA RELAYOPL

50、vLSurround SP relay A control terminal (L: Mute)62P85SB RELAYOPLvLSurround SP relay B control terminal (L: Mute)63P86PRE F MUTEOPEdLHFront PREOUT mute control terminal (L: Mute)64P87PRE C MUTEOPLvLCenter PREOUT mute control terminal (L: Mute)65P90PRE S MUTEOPEdLHSurround PREOUT mute control terminal