Denon-AVR4810-avr-sm维修电路原理图.pdf

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1、D&M Holdings lnc.e.SERVICE MANUALAV SURROUND RECEIVERMODELJPEUECE2EKE2AE1CEUTAVR-4810CI?AVR-4810? ?Ver. 4For purposes of improvement, specifications and design are subject to change without notice.Please use this service manual with referring to the operating instructions without fail.Some illustrat

2、ions using in this service manual are slightly different from the actual set.S0033-0V03DM/DG1002ssPlease refer to theMODIFICATION NOTICE.RadioFans.CN 收音机爱 好者资料库2AVR-4810CI/AVR-4810SAFETY PRECAUTIONSThe following check should be performed for the continued protection of the customer and service techn

3、ician.LEAKAGE CURRENT CHECKBefore returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. if the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 koh

4、ms, the unit is defective.CAUTIONPlease heed he points listed below during servicing and inspection.Heed the cautions!Spots requiring particular attention when servicing, such as the cabinet, parts, chassis,etc., have cautions indicated on labels. be sure to heed these causions and the cautions indi

5、cated in the handling instructions.Caution concerning electric shock!(1) An AC voltage is impressed on this set, so touching internal metal parts when the set is energized could cause electric shock. Take care to avoid electric shock, by for example using an isolating transformer and gloves when ser

6、vicing while the set is energized, unplugging the power cord when replacing parts, etc.(2) Tere are high voltage parts inside. Handle with extra care when the set is energized.Caution concerning disassembly and assembly!Through great care is taken when manufacturing parts from sheet metal, there may

7、 in some rare cases be burrs ?are moved across them. Use gloves to protect your hands.Only use designated parts!The sets parts have specific safety properties (fire resistance, voltage resistance, etc.). For replacement parts, be sure to use parts which have the same poroperties. In particular, for

8、the important safety parts that are marked z on wiring diagrams and parts lists, be sure to use the designated parts.Be sure to mount parts and arrange the wires as they were originally!For safety seasons, some parts use tape, tubes or other insulating materials, and some parts are mounted away from

9、 the surface of printed circuit boards. Care is also taken with the positions of the wores omsode amd clamps are used to keep wires away from heating and high voltage parts, so be sure to set everything back as it was originally.Inspect for safety after servicing!Check that all screws, parts and wir

10、es removed or disconnected for servicing have been put back in their original positions, inspect that no parts around the area that has been serviced have been negatively affected, conduct an inslation check on the external metal connectors and between the blades of the power plug, and otherwise che

11、ck that safety is ensured.(Insulation check procedure)Unplug the power cord from the power outlet, disconnect the antenna, plugs, etc., and turn the power switch on. Using a 500V insulation resistance tester, check that the inplug and the externally exposed metal parts (antenna terminal, headphones

12、terminal, input terminal, etc.) is ?repaired.Many of the electric and structural parts used in the set have special safety properties. In most cases these properties are difficult to distinguish by sight, and using replacement parts with higher ratings (rated power and withstand voltage) does not ne

13、cessarily guarantee that safety performance will be poreserved. Parts with safety properties are indicated as shown below on the wiring diagrams and parts lists is this service manual. Be sure to replace them with parts with the designated part number.(1) Schematic diagrams .Indicated by the z mark.

14、(2) Parts lists .Indicated by the z mark.Using parts other than the designated ?or other dangerous situations.Concerning important safety partsCAUTIONRadioFans.CN 收音机爱 好者资料库3AVR-4810CI/AVR-4810DIMENSIONAVR-4810CI/AVR-48104AVR-4810CI/AVR-4810WIRE ARRANGEMENTIf wire bundles are untied or moved to perf

15、orm adjustment or parts replacement etc., be sure to rearrange them neatly as they were originally bundled or placed afterward.Otherwise, incorrect arrangement can be a cause of noise generation.Wire arrangement viewed from the topFront Panel sideBack Panel side5AVR-4810CI/AVR-4810CAUTION IN SERVICI

16、NGBefore the Digital P.W.B. are replacedIf you cannot specify the cause of the digital PWB defect, carry out Initializing Update to latest firmware. The defect may be cleared. See the following for the method of initializing the com.Initializing AV SURROUND RECEIVERAV SURROUND RECEIVER initializatio

17、n 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 STANDARD button and DSP SIMULATION button, and switch on the unit.3. Check that the entire display is flashing with an interval of about 1 second, and release you

18、r 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 sure to memorize your setting for restoring after the initiali

19、zation.JIG to use for servicingWhen you repair the printing board, you can use the following JIG. Please order to Denon Official Service Distributor in your region if necessary.Extention cable kit00D SPK- 561 EXTENSION UNIT KIT : 1 Set00D SPK- 562 TUCP CONN. JOINT KIT : 1 SetExtention cable for Idli

20、ng CurrentParts Number for Extension Cables and Quantity of Unit. How to use and Adjust Idle Current.1. The thin and hard plate (ex. Ruler) is fixed with the tape behind the cable. 2. The voltmeter is connected with the other side of the extension cable.3. Refer to ADJUSTMENT(Idling Current).Parts N

21、umberParts NameQty / unitRemarks612050082004D6P 250mm NH1L=250mm 6P NH Cable612050083007D8P 250mm NH1L=250mm 8P NH Cable1,22,36AVR-4810CI/AVR-4810DISASSEMBLY Disassemble in order of the arrow of the figure of following flow. In the case of the re-assembling, assemble it in order of the reverse of th

22、e following flow. In the case of the re-assembling, observe attention of assembling it.TOP COVERBACK PANEL UNIT ASSYFRONT PANEL UNIT ASSYRefer to DISASSEMBLYREG UNITRefer to DISASSEMBLY2. BACKPANEL UNIT ASSYRefer to DISASSEMBLY1.FRONT PANEL UNIT ASSY5. REG UNITP.SW UNITand EXPLODED VIEW (Ref. No. of

23、 EXPLODED VIEW : A-8)DIGITAL UNIT ASSYREG UNIT FRONT HDMI UNITRefer to DISASSEMBLY (Ref. No. of EXPLODED VIEW : B-4) (Ref. No. of EXPLODED VIEW : E-4)3. DIGITAL UNIT ASSYREG CONNECT-1 UNITFRONT USB UNITand EXPLODED VIEW (Ref. No. of EXPLODED VIEW : A-15) (Ref. No. of EXPLODED VIEW : E-3)DIGITAL UNIT

24、 CONNECT UNIT-2MIC UNIT (Ref. No. of EXPLODED VIEW : G) (Ref. No. of EXPLODED VIEW : D-4) (Ref. No. of EXPLODED VIEW : A-9)FRONT IN UNIT (Ref. No. of EXPLODED VIEW : A-10)A.VIDEO UNIT, ASSIGN UNIT, AUDIO UNIT SPEAKER UNITVR CONNECT UNITand RADIATOR UNIT ASSYRefer to DISASSEMBLY (Ref. No. of EXPLODED

25、 VIEW : I-13)Refer to DISASSEMBLY6. SPEAKER UNITVOLUME UNIT4. A.VIDEO UNIT, AUDIO UNITand EXPLODED VIEW (Ref. No. of EXPLODED VIEW : A-4)and RADIATOR UNIT ASSYSPEAKER UNITFUNC CONNECT UNITand EXPLODED VIEW (Ref. No. of EXPLODED VIEW : I-1) (Ref. No. of EXPLODED VIEW : I-12)A.VIDEO UNITCD/ PHONO UNIT

26、FUNC UNIT (Ref. No. of EXPLODED VIEW : E-1) (Ref. No. of EXPLODED VIEW : H-3) (Ref. No. of EXPLODED VIEW : A-6)AUDIO UNITFLD UNIT (Ref. No. of EXPLODED VIEW : E-2) (Ref. No. of EXPLODED VIEW : A-1)MAIN CPU UNITP.AMP JOINT UNITTACT-1 UNIT (Ref. No. of EXPLODED VIEW : F)Refer to DISASSEMBLY (Ref. No.

27、of EXPLODED VIEW : A-2)REMOTE/IPOD UNIT7. P.AMP JOINT UNITAUDIO CONNECT UNIT (Ref. No. of EXPLODED VIEW : B-5)and EXPLODED VIEW (Ref. No. of EXPLODED VIEW : A-14)232C UNITP.AMP JOINT UNIT (Ref. No. of EXPLODED VIEW : B-6) (Ref. No. of EXPLODED VIEW : D-2)ASSIGN UNIT (Ref. No. of EXPLODED VIEW : H-1)

28、ASSIGN CONNECT-1 UNITP.AMP UNIT (Ref. No. of EXPLODED VIEW : I-16)Refer to DISASSEMBLYASSIGN CONNECT-2 UNIT8.P.AMP UNIT (Ref. No. of EXPLODED VIEW : I-17)and EXPLODED VIEWASSIGN CONNECT-3 UNITP.AMP UNIT (Ref. No. of EXPLODED VIEW : I-18) (Ref. No. of EXPLODED VIEW : C-17)ASSIGN CONNECT-4 UNIT (Ref.

29、No. of EXPLODED VIEW : I-19)ASSIGN CONNECT-5 UNITZ2 SP UNIT (Ref. No. of EXPLODED VIEW : I-20)Refer to DISASSEMBLY9.Z2 SP UNITand EXPLODED VIEWZ2 SP UNIT (Ref. No. of EXPLODED VIEW : I-2)7AVR-4810CI/AVR-4810About the photos used for descriptions in the “DISASSEMBLY” section. The direction from which

30、 the photographs used herein were photographed is indicated at Direction of photograph: * at the left of the respective photographs. Refer to the table below for a description of the direction in which the photos were taken. Photographs for which no direction is indicated were taken from above the p

31、roduct.The photograph is AVR-4810CI.1. FRONT PANEL UNIT ASSY(1) Remove the screws.Front sideDirection of photograph: BDirection of photograph: DDirection of photograph: CDirection of photograph: AThe viewpoint of each photograph(Photografy direction)View from aboveProceeding:TOP COVER FRONT PANEL UN

32、IT ASSYView from bottom8AVR-4810CI/AVR-4810(2) Cut the wire clampers then disconnect the connector wires. (3) Remove the FFC cover and acetate tapes. Disconnect the FFC Cables.(4) Remove the screws.CY052CX021CX066Direction of photograph: DcutcutAcetate tapeFFC CoverFFC CableDirection of photograph:

33、CFFC CablePlease refer to EXPLODED VIEW for the disassembly method of each P.W.B included in FRONT PANEL ASSY.9AVR-4810CI/AVR-48102. BACK PANEL UNIT ASSY(1) Remove the Aluminum Tape, then remove the screws.(2) Remove the screws.(3) Disconnect the connector wires, then remove the screws. Proceeding:T

34、OP COVER BACK PANEL UNIT ASSYAluminum TapeView from bottom?Direction of photograph: ACX055CX074CY052CX09110AVR-4810CI/AVR-4810(4) Disconnect the connector wire and FFC Cable.(5) Disconnect the connector wire.FFC CableCX068FFC CableDirection of photograph: CvDirection of photograph: BCW037CY87811AVR-

35、4810CI/AVR-48103. DIGITAL UNIT ASSY (1) Remove the alminium tape. Disconnect the connector wire, FFC Cables, and board to board.(2) Remove the screws.Proceeding:TOP COVER BACK PANEL UNIT ASSYDIGITAL UNIT ASSYFFC CableFFC CableFFC CableMAIN CPU UNITDIGTAL UNIT ASSYAlminium TapeBoard to boardCX058CX12

36、4CX905CY061CY124CX032?Direction of photograph: A12AVR-4810CI/AVR-48104. A.VIDEO UNIT, ASSIGN UNIT, AUDIO UNIT and RADIATOR UNIT ASSY(1) Disconnect the board to board. Cut the wire clamper, then disconnect the connector wire.(2) Remove the screws.(3) Disconnect the connector wires.Proceeding:TOP COVE

37、R BACK PANEL UNIT ASSY A.VIDEO UNIT, ASSIGN UNIT, AUDIO UNIT and RADIATOR UNIT ASSYDIGITAL UNIT ASSYvDirection of photograph: CMAIN CPU UNITcutCX069FFC CableDirection of photograph: AA.VIDEO UNITAUDIO UNITRADIATOR UNIT ASSYCX073CX192CX861CX831CY631CX841CX075CY049, CX832, CX904CX157CY635CX852CX842CY6

38、38ASSIGN UNITcut13AVR-4810CI/AVR-4810(4) Disconnect the connector wires.(5) Disconnect the connector wires.5. REG UNIT (1) Disconnect the board to board.AUDIO UNITCX651CY191CX636CY171CX846CX040CX845Direction of photograph: BProceeding:TOP COVER BACK PANEL UNIT ASSY A.VIDEO UNIT, ASSIGN UNIT, AUDIO U

39、NIT and RADIATOR UNIT ASSYDIGITAL UNIT ASSY REG UNITBoard to boardDirection of photograph: Av14AVR-4810CI/AVR-4810(2) Remove the screws and disconnect the connector.6. AMP UNIT(1) Disconnect the connector wires.(2) Disconnect the connector wires and CORD HOLDER.CY843?Direction of photograph: AProcee

40、ding:TOP COVER BACK PANEL UNIT ASSY A.VIDEO UNIT, ASSIGN UNIT, AUDIO UNIT and RADIATOR UNIT ASSYDIGITAL UNIT ASSY REG UNIT AMP UNITCX872CX871CX873CX875CX877CX876CX874View from TopCORD HOLDERCX862CX847CY105CY832CX822View from Top15AVR-4810CI/AVR-48107. P.AMP JOINT UNIT(1) Disconnect the connector.8.

41、P.AMP UNIT(1) Remove the screws. Proceeding:TOP COVER BACK PANEL UNIT ASSY A.VIDEO UNIT, ASSIGN UNIT, AUDIO UNIT and RADIATOR UNIT ASSYDIGITAL UNIT ASSY REG UNIT AMP UNIT P.AMP JOINT UNITCX803CX805CX806CX811CX812CX807CX804Direction of photograph: AProceeding:TOP COVER BACK PANEL UNIT ASSY A.VIDEO UN

42、IT, ASSIGN UNIT, AUDIO UNIT and RADIATOR UNIT ASSYDIGITAL UNIT ASSY REG UNIT AMP UNIT P.AMP JOINT UNIT P.AMP UNITDirection of photograph: B16AVR-4810CI/AVR-48109. Z2 SP UNIT(1) Remove the screws and disconnect the connector wire. Proceeding:TOP COVER BACK PANEL UNIT ASSY A.VIDEO UNIT, ASSIGN UNIT, A

43、UDIO UNIT and RADIATOR UNIT ASSYDIGITAL UNIT ASSY REG UNIT Z2 SP UNIT AMP UNIT P.AMP JOINT UNIT P.AMP UNITCX83417AVR-4810CI/AVR-4810SPECIAL MODESpecial mode setting button Press the ON/OFF button to turn on while pressing both buttons A and B at the same time.ModeButton AButton BcontentsVersion disp

44、lay(com/DSP Error Display)STATUSRETURNSerial No. and firmware versions such as Main, Sub, DSP are displayed in the FL manager. Errors are displayed when they occur. (Refer to 16 page.)Displaying the protection history modeSTATUSMENUDisplaying the protection history(Refer to 18 page.)Initialization m

45、ode(Remove settings for Installer Setup.)STANDARDDSP SIMULATIONBackup data initialization is carried out.(Remove settings for Installer Setup.)Initialization mode(Includes settings for Installer Setup)CURSOR UPCURSOR DOWNBackup data initialization is carried out.(Includes settings for Installer Setu

46、p)Mode for switching tuner frequency stepSTANDARDDIRECT/STEREO-E2 model only-Change tuner frequency step to FM:200kHz/AM:10kHzSTEP.Mode for preventing remote control acceptanceSTATUSENTEROperations using remote control are rejected.(Mode cancellation: Turn off power and execute the same button opera

47、tions as when performing setup.)Panel lock modeDSP SIMULATIONZONE2 Operations using main unit panel buttons or master volume are rejected.Panel lock mode(Remove Master volume)DIRECT/STEREOZONE2Operations using main unit panel buttons are rejected.Cancellation of panel lock modePURE DIRECTZONE2 Panel

48、 lock mode is cancelled.Installer Setup modeMENUCURSOR LEFTAccess Remote Maintenance mode via the internet.Installer Setup is displayed on GUI/Option Menu.Refer to AVR_RemoteMaintenance_.pdf of SDI.ON/OFFRETURNZONE2DSP SIMULATIONSTANDARDSTATUSENTERPUREDIRECTDIRECT/STEREOMENUCURSORs18AVR-4810CI/AVR-4

49、8101. Version display (com/DSP Error Display)1.1. Operation Speccom version display mode:When the following conditions are satisfied at its starting state, error information is displayed before version information.Starting method (same as com version display):Press the ON/OFF button to turn on while

50、 pressing both buttons STATUS and RETURN at the same time.(Error information is displayed after about 10 seconds.)The FL display changes in the order given in item-1.2. each time you press the STATUS button.1.2. Display OrderError information(Refer to 1.3. Error display) Model destination informatio