Sharp-HTCN410DVH-hcs-sm 维修电路原理图.pdf

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1、HT-CN410DVH1HOME CINEMA WITH DVDPageSPECIFICATIONS.4LASER BEAM SAFETY PRECAUTIONS .6STANDARD NOTES FOR SERVICING.7OPERATING CONTROLS AND FUNCTIONS.10TROUBLESHOOTING.13BLOCK DIAGRAMS.14SCHEMATIC DIAGRAMS / ICS PIN VOLTAGE.16WAVEFORMS.28WIRING DIAGRAM.31IC PIN FUNCTION DESCRIPTIONS.38FL DISPLAY.65PART

2、S GUIDESERVICE MANUALNo.S9502HTN410DVSHARP CORPORATIONCONTENTSThis document has been published to be used forafter sales service only.The contents are subject to change without notice.HT-CN410DVHMODEL In the interests of user-safety (Required by safetyregulations in some countries) the set should be

3、 restored toits original condition and only parts identical to thosespecified be used.(for Middle East/ Africa/ Thailand)HT-CN410DVH Home Cinema with DVD consisting of HT-CN410DVH (main unit), CP-CN410F (front speakers), CP-CN410C (centre speaker), CP-CN410R (surroundspeakers) and CP-CN410SW (subwoo

4、fer).RadioFans.CN 收音机爱 好者资料库HT-CN410DVH2CHAPTER 1. GENERAL DESCRIPTION1 PRECAUTION FOR USING LEAD-FREE SOLDER1. Employing lead-free solderExample:Indicates lead-free solder of tin,silver and copper.2. Using lead-free wire solderWhen fixing the PWB soldered with the lead-free solder,apply lead-free w

5、ire solder. Repairing with conventional lead wire soldermay cause damage or accident due to cracks.dedicated soldering bit,if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our service stationor service branch in your area.3. Solderingand as it has poor solde

6、r wettability,you may be apt to keep the soldering bit in contact with the PWB for extended period oftime. However, Since the land may be peeled off or the maximum heat-resistance temperature of parts may be exceeded,remove the bit from the PWB assoonas you confirm the steady soldering condition.Lea

7、d-free solder contains more tin, and the end of the soldering bit may be easily corrected. Make sure to turn on and off thepower of the bit as required.If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after every useof it.When th

8、e tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.Be careful when replacing parts with polarity indication on the PWB silk.Lead-free wire solder for servicingRef No.DescriptionParts No.PWB-A1CONTROL PWB ASSYEARPHONE PWB ASSYSTANDBY PWB ASSYMAIN PWB ASSYPOW

9、ER PWB ASSYPWB-A2PWB-A392LABE1053020192LABE1051000392LABE1050400492LABE1053010192LABE10530301PWB-BPWB-CMAIN,DISPLAY,TERMINAL,SWITCH,POWER,JACK,TUNER,DVD,MICVIDEOOUT,CDCHANGERMOTOR(PWBONLY),LED PWB of this model employs lead-free solder.The LF symbo lindicates lead-free solder,and is attached on the

10、PWB and service manuals.The alphabetical characterfollowing LF shows the type of lead-free solder.As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40 C, were commend you to use aAs the melting point of lead-free solder (Sn-Ag-Cu) is about 220 C which is high

11、er than the conventional lead solder by 40 C,RadioFans.CN 收音机爱 好者资料库HT-CN410DVH3SAFETY PRECAUTION FOR SERVICE MANUALAC POWER SUPPLY CORDPrecaution to be taken when replacing and servicing theLaser Pickup.The AEL (Accessible Emission Level) of Laser Power Outputfor this model is specified to be lower

12、 than Class 1 Require-ments. However, the following precautions must be observedduring servicing to protect your eyes against exposure to theLaser beam.(1) When the cabinet has been removed, the power is turnedon without a compact disc, and the Pickup is on a positionouter than the lead-in position,

13、 the Laser will light for sev-eral seconds to detect a disc. Do not look into the PickupLens.(2) The Laser Power Output of the Pickup inside the unit andreplacement service parts have already been adjusted priorto shipping.(3) No adjustment to the Laser Power should be attemptedwhen replacing or ser

14、vicing the Pickup.(4) Under no circumstances look directly into the Pickup Lensat any time.(5) CAUTION - Use of controls or adjustments, or performanceof procedures other than those specified herein may resultin hazardous radiation exposure.Material: AlGaAs/AlGalnPWavelength: 785 nm/650 nmEmission D

15、uration: continuousLaser Output: max. 0.6 mWLaser Diode PropertiesCAUTION: VISIBLE AND INVISIBLE LASER RADIATION WHENOPEN. DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITHOPTICAL INSTRUMENTS.WARNUNG: SICHTBARE UND UNSICHTBARE LASERSTRAHLUNGWENN GERT GEFFNET. NICHT IN DIE STRAHLUNG SCHAUENODER DIREKT MIT

16、 OPTISCHEN HILFSMITTELN BETRACHTEN.ATTENTION: RAYONS LASER VISIBLE ET INVISIBLE EN CASDOUVERTURE. NE PAS REGARDER LE FAISCEAU DIRECTEMENTOU AVEC DES INSTRUMENTS OPTIQUES.92LVPE1K327210HT-CN410DVH4SPECIFICATIONSl Generall Amplifierl DVD playerl TunerAs part of our policy of continuous improvement, SH

17、ARP reserves the right to make design and specification changesfor product improvement without prior notice. The performance specification figures indicated are nominal values ofproduction units. There may be some deviations from these values in individual units.Power sourceAC 230 V, 50 HzPower cons

18、umptionPower on: 45 WPower stand-by:0.6WDimensionsWidth: 428 mmHeight: 55 mmDepth: 360 mmWeight3.8 kgAudio input terminalsAnalogue input (IN 1): RCA type 1 pair (L/R)Analogue input (IN 2): RCA type 1 pair (L/R)Audio output terminalsAnalogue output (OUT): RCA type 1 pair (L/R)Headphone: 16-50 ohms (r

19、ecomended: 32 ohms)Digital output: Caoxial type x 1Video output terminalsS-video output: S-terminal 1 Video output: RCA type 1Component video output: PB, PB, YVideo output terminalsSCART output: SCART terminal x 1Output powerFront speakers: RMS: 42 W (21 W + 21 W) (DIN 45 324)Centre speaker: RMS: 21

20、 W (DIN 45 324)Surround speakers: RMS: 42 W (21 W + 21 W) (DIN 45 324)Subwoofer speaker: RMS: 45 W (DIN 45 324)Signal systemPAL/NTSC colourSupported disc typesDVD (with the same region number on the back of the unit or ALL), SVCD, VCD, audio CD, CD-R, CD-RW, MP3Video signalHorizontal resolution: 525

21、 lines S/N ratio: 56 dBAudio signalFrequency characteristicsLinear PCM DVD: 20 Hz to 20 kHz (sampling rate: 48 kHz)20 Hz to 20 kHz (sampling rate: 96 kHz)CD: 20 Hz to 20 kHzS/N ratio CD: 65 dB (1 kHz)Dynamic rangeLinear PCM DVD: 95 dB CD: 94 dBTotal harmonic distortion ratio0.2 % maximumFrequency ra

22、ngeFM: 87.5 - 108 MHzAM: 522 - 1620 kHzHT-CN410DVH5l Front speakersl Surround speakersl Centre speakerl SubwooferTypeFull range speaker system (magnetic shield)7 cm speakerMaximum input power30 WImpedance4 ohmsDimensionsWidth: 90 mmHeight: 110 mmDepth: 100 mmWeight0.46 kg/eachTypeFull range speaker

23、system7 cm speakerMaximum input power30 WImpedance4 ohmsDimensionsWidth: 90 mmHeight: 110 mmDepth: 100 mmWeight0.45 kg/eachTypeFull range speaker system 7 cm speakerMaximum input power30 WImpedance4 ohmsDimensionsWidth: 90 mmHeight:110 mmDepth: 100 mm Weight0.46 kgTypeSubwoofer system13 cm Subwoofer

24、Maximum input power60 WImpedance8 ohmsDimensionsWidth:132 mmHeight: 282 mmDepth: 330 mmWeight2.8 kgHT-CN410DVH6LASER BEAM SAFETY PRECAUTIONSThis DVD player uses a pickup that emits a laser beam.The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to

25、 keep your eyes at least30cm away from the pickup lens when the diode is turned on. Do not look directly at the laser beam.Caution: Use of controls and adjustments, or doing procedures other than those specified herein, may result in hazardous radiationexposure.Do not look directly at the laser beam

26、 comingfrom the pickup or allow it to strike againstyour skin.Drive Mecha AssemblyLaser Beam RadiationLaser PickupTurntableHT-CN410DVH7STANDARD NOTES FOR SERVICINGHow to Remove / Install Flat Pack-IC1. RemovalWith Hot-Air Flat Pack-IC Desoldering Machine:(1)Prepare the hot-air flat pack-IC desolderi

27、ng ma-chine, then apply hot air to the Flat Pack-IC (about 5to 6 seconds). (Fig. S-1-1)Fig. S-1-1(2)Remove the flat pack-IC with tweezers while apply-ing the hot air.(3)Bottom of the flat pack-IC is fixed with glue to theCBA; when removing entire flat pack-IC, first applysoldering iron to centre of

28、the flat pack-IC and heatup. Then remove (glue will be melted). (Fig. S-1-6)(4)Release the flat pack-IC from the CBA using twee-zers. (Fig. S-1-6)Caution:1. Do not supply hot air to the chip parts around the flatpack-IC for over 6 seconds because damage to thechip parts may occur. Put masking tape a

29、round theflat pack-IC to protect other parts from damage.(Fig. S-1-2)2. The flat pack-IC on the CBA is affixed with glue, sobe careful not to break or damage the foil of each pinor the solder lands under the IC when removing it.Hot-airFlat Pack-ICDesolderingMachineCBAFlat Pack-ICTweezersMaskingTapeF

30、ig. S-1-2With Soldering Iron:(1)Using desoldering braid, remove the solder from allpins of the flat pack-IC. When you use solder fluxwhich is applied to all pins of the flat pack-IC, you canremove it easily. (Fig. S-1-3)Flat Pack-ICDesoldering BraidSoldering IronFig. S-1-3(2)Lift each lead of the fl

31、at pack-IC upward one by one,using a sharp pin or wire to which solder will notadhere (iron wire). When heating the pins, use a finetip soldering iron or a hot air desoldering machine.(Fig. S-1-4)Fine TipSoldering IronSharpPinFig. S-1-4(3)Bottom of the flat pack-IC is fixed with glue to theCBA; when

32、 removing entire flat pack-IC, first applysoldering iron to centre of the flat pack-IC and heatup. Then remove (glue will be melted). (Fig. S-1-6)(4)Release the flat pack-IC from the CBA using twee-zers. (Fig. S-1-6)With Iron Wire:(1)Using desoldering braid, remove the solder from allpins of the fla

33、t pack-IC. When you use solder fluxwhich is applied to all pins of the flat pack-IC, you canremove it easily. (Fig. S-1-3)(2)Affix the wire to a workbench or solid mounting point,as shown in Fig. S-1-5.(3)While heating the pins using a fine tip soldering ironor hot air blower, pull up the wire as th

34、e solder meltsso as to lift the IC leads from the CBA contact padsas shown in Fig. S-1-5.HT-CN410DVH8(4)Bottom of the flat pack-IC is fixed with glue to theCBA; when removing entire flat pack-IC, first applysoldering iron to centre of the flat pack-IC and heatup. Then remove (glue will be melted). (

35、Fig. S-1-6)(5)Release the flat pack-IC from the CBA using twee-zers. (Fig. S-1-6)Note:When using a soldering iron, care must be taken toensure that the flat pack-IC is not being held by glue.When the flat pack-IC is removed from the CBA,handle it gently because it may be damaged if forceis applied.T

36、o SolidMounting PointSoldering IronIron WireorHot Air BlowerFig. S-1-5Fine TipSoldeing IronCBAFlat Pack-ICTweezersFig. S-1-62. Installation(1)Using desoldering braid, remove the solder from thefoil of each pin of the flat pack-IC on the CBA so youcan install a replacement flat pack-IC more easily.(2

37、)The mark on the flat pack-IC indicates pin 1. (SeeFig. S-1-7.) Be sure this mark matches the 1 on thePCB when positioning for installation. Then presol-der the four corners of the flat pack-IC. (See Fig. S-1-8.)(3)Solder all pins of the flat pack-IC. Be sure that noneof the pins have solder bridges

38、.Example :Pin 1 of the Flat Pack-ICis indicated by a mark.Fig. S-1-7PresolderCBAFlat Pack-ICFig. S-1-8HT-CN410DVH9Instructions for HandlingSemi-conductorsElectrostatic breakdown of the semi-conductors mayoccurduetoapotentialdifferencecausedbyelectrostaticcharge during unpacking or repair work.1. Gro

39、und for Human BodyBe sure to wear a grounding band (1M) that is properlygrounded to remove any static electricity that may becharged on the body.2. Ground for WorkbenchBe sure to place a conductive sheet or copper plate withproper grounding (1M) on the workbench or othersurface, where the semi-condu

40、ctors are to be placed.Because the static electricity charge on clothing will notescape through the body grounding band, be careful toavoid contacting semi-conductors with your clothing.CBACBAGrounding BandConductive Sheet orCopper PlateHT-CN410DVH10OPERATING CONTROLS AND FUNCTIONSn Main unit (front

41、 panel)1.On/Stand-by Button2.Disc Tray 3.Disc Tray Open/Close Button4.Remote Sensor5.Play or Pause Button 6.Chapter (track) Skip Down or Preset/Tuning Down Button7.Chapter (track) Skip Up or Preset/Tuning Up Button8.Volume Up and Down or Speaker Level Adjust Buttons9.Power Stand-by Indicator10. Stop

42、 Button11. Function Button12. Speaker Level Mode Button13. Headphone socket14. Speaker Indicators(1) Left Front Speaker Indicator(2) Centre Speaker Indicator(3) Right Front Speaker Indicator(4) Left Surround Speaker Indicator(5) Subwoofer Indicator(6) Right Surround Speaker Indicator15. DVD Indicato

43、r16. JPEG Indicator17. P - SCAN mode18. Dolby Digital Signal Indicator19. Play Indicator20. Pause Indicator21. SVCD/VCD/CD Indicator22. MP3 Indicator23. DTS Signal Indicator24. Dolby Pro Logic/Pro Logic II Indicator25. Stereo (2-ch) or FM Stereo Receiving Indicator26. Title Indicator27. Track Indica

44、tor28. Chapter Indicator29. Tuner Preset Indicator30. Programme Indicator31. Sleep Indicator32. Repeat Indicator33. A - B Repeat Indicator34. RDS IndicatorHT-CN410DVH11OPERATING CONTROLS AND FUNCTIONSn Main unit (rear panel)1.AC Power Lead 2.Speaker Terminals 3.Audio Output Sockets4.Audio Input Sock

45、ets (TV/AUX)5.Digital Output Socket (Coaxial)6.Video Output Socket7.Component Video Output Socket8.SCART Output Socket (Audio + Video)9.AM Loop Aerial Socket10. S-video Output Socket11. FM 75 Ohms Aerial Socket7691128435101HT-CN410DVH12n Remote Control1.Remote Control Transmitter2.On/Stand-by Button

46、3.Function Button4.Display Button5.Dimmer6.Program Button7.Language Select Button8.Frame Advance Button (Step Function)9.Slow Motion Button 10. Setup Menu Button11. Cursor Buttons12. PBC/MENU Button13. Stop Button14. Play or Pause Button .15. Surround/Stereo (2-ch) Listening Mode Button16. Audio Sel

47、ect Button.17. Direct Number Buttons18. Fast Reverse or Tuning Down Button19. Fast Forward or Tuning Up Button20. Speaker Level Mode Button21. Angle Select Button22. Disc Tray Open/Close Button23. NTSC/PAL Select Button24. Sleep Button25. Interlace and Progressive Scan Button26. Title Select Button2

48、7. Subtitle Select Button28. Repeat Play Button29. A - B Repeat Button30. Return Button31. Enter Button32. Zoom Button33. Volume adjust up Button34. Volume adjust down Button35. Mute Button36. EQ (equaliser) Button37. Direct Button38. Chapter (track) Skip Up or Preset Up Button39. Chapter (track) Sk

49、ip Down or Preset Down Button40. FM Stereo/Mono Select Button41. Memory Button1354762981413101217111615191821202325242726222928343330323731363539384140HT-CN410DVH13TROUBLESHOOTINGIf you experience any of the following difficulties whileusing the system, use troubleshooting guide to help youremedy th

50、e problem. Should any problem persist,consult your nearest service centre.No power: l Is the power cord firmly plugged into the power out-let?l One of the safety mechanisms may be operating. Inthis event, unplug the player from the power outletbriefly and then plug it in again.No picture: l Check th