Denon-AVR4802-avr-sm维修电路原理图.pdf

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1、Hi-Fi ComponentSERVICE MANUALMODELAVR-4802MODELAVC-A11SRAV SURROUND RECEIVER / AMPLIFIER? Some illustrations using in this service manual are slightly different from the actual set.For U.S.A., Canada, Europe,Asia, China, Hong Kong,Korea & Taiwan R.O.C. model14-14, AKASAKA 4-CHOME, MINATO-KU, TOKYO 1

2、07-8011 JAPANTelephone: 03 (3584) 8111X0120 1174 NC 0108For AVR-4802For AVC-A11SRRadioFans.CN 收音机爱 好者资料库2AVR-4802/AVC-A11SRSAFETY PRECAUTIONSThe following check should be performed for the continued protection of the customer and service technician.LEAKAGE CURRENT CHECKBefore returning the unit to t

3、he 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.SPECIFICATIONSAudio SectionPower

4、amplifier:Rated output:Stereo (2 ch driven)(All properties shown are only for the 125 W + 125 W (8 /ohms, 20 Hz 20 kHz with 0.05 % T.H.D.)power amplifer stage.) 150 W + 150 W (6 /ohms, 20 Hz 20 kHz with 0.05 % T.H.D.)Dynamic power:170 W 2 ch (8 /ohms)270 W 2 ch (4 /ohms)350 W 2 ch (2 /ohms)Output te

5、rminals:Front/Center:6 16 /ohmsSurround:A or B6 16 /ohmsA + B8 16 /ohmsAnalog:Input sensitivity/input impedance:200 mV/47 k/kohmsFrequency response:10 Hz 100 kHz: +0, 3 dB (DIRECT mode)S/N:105 dB (DIRECT mode)Distortion:0.005 % (20 Hz 20 kHz) (DIRECT mode)Rated output/maximum output:1.2 V/8 VDigital

6、:D/A output:Rated output 2 V (at 0 dB playback)Total harmonic distortion 0.005 % (1 kHz, at 0 dB)S/N ratio 110 dBDynamic range 108 dBDigital input:Format Digital audio interfacePhono equalizer (PHONO input REC OUT):Input sensitivity:2.5 mVRIAA deviation:1 dB (20 Hz to 20 kHz)Signal-to-noise ratio:74

7、 dB (A weighting, with 5 mV input)Rated output/Maximum output:150 mV/8VDistortion factor:0.03 % (1 kHz, 3 V)Video SectionStandard video jacksInput/output level and impedance:1 Vp-p, 75 /ohmsFrequency response:5 Hz 10 MHz +0, 3 dBS-video jacksInput/output level and impedance:Y (brightness) signal 1 V

8、p-p, 75 /ohmsC (color) signal 0.286 Vp-p, 75 /ohmsFrequency response:5 Hz 10 MHz +0, 3 dBColor component video terminal:Input/output level and impedance:Y (brightness) signal 1 Vp-p, 75 /ohmsPB/CB (blue) signal 0.7 Vp-p, 75 /ohmsPR/CR (red) signal 0.7 Vp-p, 75 /ohmsFrequency response:DC 50 MHz +0, 3

9、 dBTuner SectionFM (note: V at 75 /ohms, 0 dBf = 1 10-15 W)AMReceiving range:87.5 MHz 107.9 MHz520 kHz 1710 kHzUsable sensitivity:1.0 V (11.2 dBf)18 V50 dB Quieting sensitivity:MONO 1.6 V (15.3 dBf)STEREO 23 V (38.5 dBf)Signal to Noise Ratio (IHF-A):MONO 77 dB50 dBSTEREO 72 dBTotal Harmonic Distorti

10、on (at 1 kHz):MONO 0.15 %STEREO 0.3 %GeneralPower supply:AC 120 V, 60 Hz (U.S.A., Canada & Taiwan R.O.C. model)AC 230 V, 50 Hz (Europe & Asia model)AC 220 V, 50 Hz (China model)Power consumption:10.5 A (U.S.A., & Canada model)Maximum external dimensions:434 (W) 179 (H) 485 (D) mm (17-3/32 7-3/64 19-

11、3/32)Mass:20.5 kg (45 lbs 3.1 oz)Remote Control Unit (RC-8000): AVR Model onlyBatteries:LR6/AA Type (four batteries)External dimensions:96 (W) 38 (H) 168.5 (D) mm (3-25/32 1-1/2 6-41/64)Mass:242 g (Approx. 8.5 oz) (not including batteries)Remote Control Unit (RC-899): AVC Model onlyBatteries:R6P/AA

12、Type (three batteries)External dimensions:61 (W) 230 (H) 34 (D) mm (2-13/32 9-1/16 1-11/32)Mass:150 g (Approx. 5.3 oz) (not including batteries)* For purposes of improvement, specifications and design are subject to change without notice.RadioFans.CN 收音机爱 好者资料库3AVR-4802/AVC-A11SRWIRE ARRANGEMENTIf w

13、ire 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 topBack Panel sideFront Panel sideC

14、AUTION IN SERVICINGWhen you have replaced the 1U-3291 Unit, or changed the CPU, DSP, or their peripheral parts, be sure to perform “RESET”by pressing S803 on the DSP Unit Assy in the state of Standby or Power-on.4AVR-4802/AVC-A11SRWire arrangement viewed from the bottomBack Panel sideFront Panel sid

15、e5AVR-4802/AVC-A11SRDISASSEMBLY(Follow the procedure below in reverse order when reassembling)Top Cover(1) Remove 9 screws 1 on both sides and on the top.(2) Remove 4 screws 2 on the rear and detach the TopCover by sliding to the arrow direction.Front Panel(1) Remove 11 screws 3 and detach the Botto

16、m Cover.(2) Remove the screw 4, 7 screws 5.(3) Disconnect FFC wire from its connector, and detachthe Front Panel in the arrow direction.Top Cover211Front Panel11234555FFC Wire6AVR-4802/AVC-A11SRP.W.B.s on Front Panel(1) FLD P.W.B.Remove 6 screws 6.(2)Tact SW P.W.B.Remove 10 screws 7 after taking off

17、 the select knoband nut.(3)Master VR P.W.B.Remove the screw 8 after taking off the master volumeknob and nut.(4)Power SW P.W.B.Remove 2 screws 9.(5)Remo-con. P.W.B.Remove the screw ? ? after taking off the input selectorknob and nut.S. Video P.W.B. / C. Video P.W.B. / CompVideo P.W.B. / Audio P.W.B.

18、 Block(1) Disconnect the FFC from its connector.(2) Remove 6 screws ? ?, 3 screws ? ?, 53 screws ? ?, 2screws ? ?, and detach the Back Panel.(3) Remove 16 screws ? ? of the wires connecting to theC. Video P.W.B.(4) Remove 2 screws ? ?.FrontRearC.Video P.W.B. (Top view)Tact SW P.W.B.8Master VolumeP.W

19、.B.766? ?Select Knob9Master Volume KnobFLD P.W.B.Input Selector KnobRemo-con. P.W.B.Power SWP.W.B.FFC WireBack Panel? ? ? ? ? ? ? ? ? ? ? ? ? ? ?7AVR-4802/AVC-A11SR17P.W.B. BlockRemove P.W.B.s in the following order.1. Connect L P.W.B.2. Comp. Video P.W.B.3. S Video P.W.B./C Video & Reg. P.W.B./OSD

20、P.W.B.4. Audio In P.W.B.5. DSP P.W.B.COMP. VIDEO P.W.B.232C P.W.B.CONNECT L P.W.B.DSP P.W.B.PHONO P.W.B.AUDIO IN P.W.B.S VIDEO P.W.B.CONNECT R P.W.B.C VIDEO & REG. P.W.B.OSD P.W.B.Power AMP L/R P.W.B.(1) Remove 8 screws 17 fastening to the chassis.1717178AVR-4802/AVC-A11SRFront ChassisFront Chassis,

21、 H/P P.W.B.(1) Remove 8 screws 18.(2) Detach the Front Chassis by pulling upward to release4 hooks.(3) Remove 2 screws 19 and snap plate, then detach theH/P P.W.B.Hook181818Hook1919Snap PlateH/P P.W.B.9AVR-4802/AVC-A11SRCH1: IC104 (5)1CH1: 64fsCH2: fsCH3: 256fsCH4:FRONT DATA3CH1: DATACH2: fsCH3: 64f

22、s2CLOCK FLOW & WAVE FORM IN DIGITAL BLOCKClock FlowWave FormIC5121SN74LV4040APWINPUTSELECTOR(9)(3)(11)(2)MCLK(10)(7)(26)BCLKIC104(13)(25)LRCLKSN74HC (10)(27)SDATA151APWCKOUT(13)FRONTch(5)(5)DIN2BCK(14)LRCK(15)DATAD(16)XIN(22)12.287MHzIC113(2)MCLKSG-8002(7)(26)BCLK(13)(25)LRCLK(3)(10)(27)SDATAIC112CE

23、NTERchSN74LV4040APW(2)(13)(4)(15)(7)(18)(8)(19)SUBWOOFERchRFS0RFS1 RCLK0 RCLK1TFS0TFS1TCLK0 TCLK1MCLK(17)TCLK0(8)(4)RCLK0AINSCLK(18)TCLK1(19)(15)RCLK1LRCK(19)(2)MCLKSDATA(21)TFS0(7)(2)RFS0(26)BCLKTFS1(18)(13)RFS1(25)LRCLK(27)SDATA(5)DR0ADT0A(11)(5)DR0ADT0A(11)DT0B(12)(6)DR0BDT0B(12)SURROUNDchDT1A(22

24、)(16)DR1ADT1A(22)DT1B(23)(17)DR1BDT1B(23)(2)MCLK(26)BCLK(25)LRCLK(27)SDATASURROUND BACKchDIRIC111LC89055WA/D CONVERTERAD1854KIC114AK5353VSIC10774LVX157MTC2nd DSP1st DSPA/D SELECTORIC502ADSP-21065LIC501ADSP-21065LIC511D/A CONVERTERIC305AD1854KIC307IC301AD1854KIC303AD1854KSYNCSN74LV86APWSN74LV00APWIC5

25、23256fs64fsfsDATADATA256fs64fsfsFRONTCENTER/SWSURROUNDSURROUND BACKfs64fs23DOLBY DIGITAL DecodeDTS-ES DecodeAL24 ProcessingTHX Filter ProcessingEX/ES Matrices ProcessingSound SimulationBus-Management Processing* fs is a sampling frequency of input digital signal.e.g.: sampling frequency 48 kHz fs=48

26、 kHz* 64fs and 256fs are 64 or 256 times the sampling frequency respectively.e.g.:sampling frequency 48 kHz64fs:48kHz x 64 = 3.072MHz256fs:48kHz x 256 = 12.288MHz* The sampling frequency for analog input is fixed to 48kHz internally.* (No.) indicates the pin number of individual IC.* The arrow indic

27、ates the direction of signal flow. As the input terminal pointed by the arrowhead and the output terminal by the opposite.Clock_Wave.p6501/08/02, 20:39Page 8-9Adobe PageMaker 6.5J/Win87654321ABCDELEVEL DIAGRAMS (1/2)AVR-4802/AVC-A11SR1087654321ABCDELEVEL DIAGRAMS (2/2)AVR-4802/AVC-A11SR1112AVR-4802/

28、AVC-A11SRADJUSTMENTAudio SectionIdling Current (1U-3356-1, 2)Required measurement equipment : DC VoltmeterPreparation(1)Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room tempereture 15 C 30 C(59 F 86 F).(2)Presetting? POWER (Power source switch)OFF? SPE

29、AKER (Speaker terminal)No load (Do not connect speaker, dummy resistor, etc.)Adjustment(1) Remove top cover and set VR101, VR301, VR401 on 1U-3356-1 (Power Amp L unit), VR102, VR202, VR302, VR402 on1U-3356-2 (Power Amp. R Unit) at fully counterclockwise ( ) position.(2)Connect DC Voltmeter to test p

30、oints (FRONT-Lch: TP101, FRONT-Rch: TP102, CENTER ch: TP202, SURROUND-Lch:TP301, SURROUND-Rch: TP302, SURROUND BACK-Lch: TP401, SURROUND BACK-Rch: TP402).(3)Connect power cord to AC Line, and turn power switch ON.(4)Presetting.MASTER VOLUME : - counterclockwise ( min.)MODE: 5CH/7CH STEREOFUNCTION: C

31、D(5)Within 2 minutes after the power on, turn VR101 clockwise ( ) to adjust the TEST POINT voltage to 2 mV 0.5 mV DC.(6)After 10 minutes from the preset above, turn VR101 to set the voltage to 2 mV 0.5 mV DC.(7)Adjust the Variable Resistors of other channels in the same way.1U-3356-1VR402TP4021U-335

32、6-2Power TransVR302TP302VR102TP102VR401TP401VR301TP301VR101TP101DC VoltmeterVR202TP20213AVR-480213AVR-4802/AVC-A11SRSEMICONDUCTORS? ? ? ? ? ICsLH28F800BVE-BTL90 (IC504, 507)? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

33、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?SN74AHCT573PW (IC516, 520)SN74LV573ANS (IC517, 521)? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

34、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?16MB SDRAM TSOP-8 H/W (IC505

35、, 506, 508, 509)SymbolFunctionA0A18Address inputDQ0DQ14Data in/outputDQ15/A-1Data in/output/Address inputCEChip enable inputOEOutput enable inputBYTEWord/byte select inputWEWrite enable inputRDY/BSYReady/busy outputRESETHardware reset inputN.C.No connectionVDDPowerVssGNDSymbolFunctionA0A15Address in

36、putI/O1I/O16Data in/outputCEChip enable inputWEWrite enable inputOEOutput buffer control inputLB, UBData byte control inputVDDPower terminal (3.3V)GNDGNDN.C.No connectionN.U.Unusable (input)14AVR-4802/AVC-A11SRADSP-21065L (IC501, 502)Pin NameADSP-21065L Terminal FunctionPinNo.Pin NamePinNo.Pin NameP

37、inNo.Pin NamePinNo.Pin NamePinNo.Pin NamePinNo.1VDD2RFS03GND4RCLK05DR0A6DR0B7TFS08TCLK09VDD10GND11DT0A12DT0B13RFS114GND15RCLK116DR1A17DR1B18TFS119TCLK120VDD21VDD22DT1A23DT1B24PWM_EVENT125GND26PWM_EVENT027BR128BR229VDD30CLKIN31XTAL32VDD33GND34SDCLK135GND36VDD37SDCLK038DMAR139DMAR240HBR41GND42RAS43CAS

38、44SDWE45VDD46DQM47SDCKE48SDA1049GND50DMAG151DMAG252HBG53BMSTR54VDD55CS56SBTS57GND58WR59RD60GND61VDD62GND63REDY64SW65CPA66VDD67VDD68GND69ACK70MS071MS172GND73GND74MS275MS376FLAG1177VDD78FLAG1079FLAG980FLAG881GND82DATA083DATA184DATA285VDD86DATA387DATA488DATA589GND90DATA691DATA792DATA893VDD94GND95VDD96D

39、ATA997DATA1098DATA1199GND100 DATA12101 DATA13102 NC103 NC104 DATA14105 VDD106 GND107 DATA15108 DATA16109 DATA17110 VDD111 DATA18112 DATA19113 DATA20114 GND115 NC116 DATA21117 DATA22118 DATA23119 GND120 VDD121 DATA24122 DATA25123 DATA26124 VDD125 GND126 DATA27127 DATA28128 DATA29129 GND130 VDD131 VDD

40、132 DATA30133 DATA31134 FLAG7135 GND136 FLAG6137 FLAG5138 FLAG4139 GND140 VDD141 VDD142 NC143 ID1144 ID0145 EMU146 TDO147 TRST148 TDI149 TMS150 GND151 TCK152 BSEL153 BMS154 GND155 GND156 VDD157 RESET158 VDD159 GND160 ADDR23161 ADDR22162 ADDR21163 VDD164 ADDR20165 ADDR19166 ADDR18167 GND168 GND169 AD

41、DR17170 ADDR16171 ADDR15172 VDD173 ADDR14174 ADDR13175 ADDR12176 VDD177 GND178 ADDR11179 ADDR10180 ADDR9181 GND182 VDD183 ADDR8184 ADDR7185 ADDR6186 GND187 GND188 ADDR5189 ADDR4190 ADDR3191 VDD192 VDD193 ADDR2194 ADDR1195 ADDR0196 GND197 FLAG0198 FLAG1199 FLAG2200 VDD201 FLAG3202 NC203 NC204 GND205

42、IRQ0206 IRQ1207 IRQ2208 NC15352104105156157208TMP95FY64F (IC801)? ? ? ? ? ? ? ? ?TMP95FY64F Terminal FunctionPin.No.Name1VREFLVREFLA/D ref. GND2AVssAVssA/D GND3AVccAVccAD +5V4DAOUT0DAOUT0No connection5DAOUT1DAOUT1OCOdLLNo connection6_NMI_NMIINot used (fixed to H)7P53/_BUSRQASIC RESETONEuHHASIC contr

43、ol terminal (L: Reset)8P54/_BUSAKWP1OCOdMemory write protect for DSP19P55/_WAITWP2OCOdMemory write protect for DSP210P56/INT0B.DOWNIE&LEuZPower down detect (L: Detected)11P57/SCLK2/_CTS2ROM_RES1OCOdMemory reset for DSP112P80/TxD0MISOOCMAIN-SUB com comm. control terminal (Data out)13P81/RxD0MOSIIMAIN

44、-SUB com comm. control terminal (Data in)14P82/SCLK0/_CTS0CLKI/OCMAIN-SUB com comm. control terminal (I2C clock in/out)15P83/TxD1DIR MOSIOCZLDIR control terminal (LC89055Q), control data output16P84/RxD1DIR MISOILvDIR control input terminal (LC89055Q), control data input17P85/SCLK1/_CTS1DIR CLKOCZLD

45、IR control terminal (LC89055Q), control clock output18P86/TxD2TxDOCZLData send output to external (common with 1394 data comm.)19P87/RxD2RxDILvData receive input from external (common with 1394 data comm.)20P60/_CS0D.EXP OEOCZLPort Expander control out for DIGITAL input switching (TC4094B)21P61/_CS1

46、D.EXP CLKOCZLPort Expander control out for DIGITAL input switching (TC4094B)22P62/_CS2D.EXP DATAOCZLPort Expander control out for DIGITAL input switching (TC4094B)23P63/_CS3D.EXP STBOCZLPort Expander control out for DIGITAL input switching (TC4094B)24CLKCLKOCEu25VccVcc+5V26VssI/O1GND27X1XinIXtal con

47、nection28X2XoutOXtal connection29_EA_EAFixed to +5V30_RESETRESETILvEuLReset input31P70/TI0/INT1DSP ACK1IE&LDSP1 host interface comm. respond input (L: OK)32P71/TO1_DSP1 RESETOCOdLLDSP1 reset output terminal (L: Reset)33P72/TO3/INT2AC-3 RF DET.IE&LAC-3 RF signal detect input (L: AC-3 RF signal input)

48、34P73/TI4/INT3DAC-192OCSets D/A to 192k35P74/TO5_DSP2 RESETOCOdLLDSP2 reset output terminal (L: Reset)36P75/TO7/INT4_REQOCEuHLMAIN-SUB com comm. control terminal (L: Comm. request from SUB)37P90/TI8/INT5_ACKIE&LEuMAIN-SUB com comm. control terminal (L: Ack. return from MAIN)38P91/TI9/INT6CSIILvDIR c

49、ontrol input terminal (LC89055Q), L: PCM39P92/TO8EMPILvH: EMP ON40P93/TO9DEEPMOCEdLL41P94/TIA/INT7_CSIE&LOdDIR control input terminal (LC89055Q), LH: Cannel status change42P95/TIB/INT8ERRIE&LDIR control input terminal (LC89055Q), H: ERR43P96/TOA/TOBDIR RESETOCZLDIR control input terminal (LC89055Q),

50、 L: Reset44VccVcc+5V45P00/D0DIT_RESETCZLDIT control terminal46P01/D1DIT CLKCZLDIT control terminal47P02/D2DIT uDATACZLDIT control terminal48P03/D3DIT STCZLDIT control terminal49P04/D4DIT_CSCZLDIT control terminal50P05/D5DIT R/WCZLDIT control terminal51P06/D6DH/RESETCZLDHIVA board reset (fixed to L)S