Hitachi-HTDK210-hts-sm 电路图 维修手册.pdf

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1、SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT DVD Home Theatre System Jun 2006 Digital Media Systems Group, Hitachi Asia Ltd. HTD-K210 -1 REVISED VERSION REVISE THE SERVICE MANUAL (SC No. 0015E) ISSUED ON DEC 2005 This manual is to amend the following content provided in the Service

2、 Manual (SC No. 0015E) issued on Dec 2005 : (1) “WIRING DIAGRAM” on page 12 (2) “PCB DIAGRAMS” on page 19, 21-22 CONNECT A 1500 OHMS 10 WATT RESISTOR, PARALLELED BY A.15 MFD. 150V A.C. TYPE CAPACITOR BETWEEN A KNOWN GOOD EARTH GROUND (WATER PIPE, CONDUIT , ETC.) AND THE EXPOSED METALLIC PARTS, ONE A

3、T A TIME. MEASURE THE A.C. VOLTAGE ACROSS THE COMBINATION OF 1500 OHM RESISTOR AND 15 MFD CAPACITOR. REVERSETHEA.C.PLUGANDREPEATA.C.ANYVOLTAGE MEASUREMENTS FOR EACH EXPOSED METALLIC PART. VOLTAGE MEASURED MUST NOT EXCEED 75 VOLTS R.M.S. THIS CORRESPONDS TO0.5MILLIAMPA.C.ANYVALUEEXCEEDINGTHISLIMITCON

4、STITUTESA POTENTIALSHOCKHAZARDANDMUSTBECORRECTEDIMMEDIATELY . SUBJECTGRAPHICSYMBOLS THE LIGHTNING FLASH WITH APROWHEAD SYMBOL. WITHIN AN EQUILATERAL TRIANGLE, IS INTENDED TO ALERT THE SERVICE PERSONNELTOTHEPRESENCEOFUNINSULATEDDANGEROUS VOLTAGETHA TMAYBEOFSUFFICIENTMAGNITUDETO CONSTITUTEARISKOFELECT

5、RICSHOCK. THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDEDTOALERTTHESERVICEPERSONNELTOTHE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE. PLACE THIS PROBE ON EACH EXPOSED METAL PART SUBJECT:TIPSONPROPERINSTALLATION 1. NEVER INSTALL ANY PRODUCT IN A CLOSED-IN RECESS. C

6、UBBYHOLE OR CLOSELY FITTING SHELF SPACE, OVER OR CLOSE TO HEAT DUCT , OR IN THEPATHOFHEA TEDAIRFLOW. 2. AVOID CONDITIONS OF HIGH HUMIDITY SUCH AS: OUTDOOR PA TIO INSTALLATIONS WHERE DEW IS A F ACTOR, NEAR STEAM RADIATORS WHERESTEAMLEAKAGEISAFACTOR,ETC. 3. AVOID PLACEMENT WHERE DRAPERIES MAY OBSTRUCT

7、 REAR VENTING. THE CUSTOMER SHOULD ALSO AVOID THE USE OF DECORATIVE SCARVESOROTHERCOVERINGSWHICHMIGHTOBSTRUCTVENTILATION. 4. CAUTION CUSTOMERS AGAINST THE MOUNTING OF A PRODUCT ON SLOPING SHELF OR A TILTED POSITION, UNLESS THE PRODUCT PROPERLYSECURED. 5.CAUTIONCUSTOMERSAGAINSTTHEUSEOFEXTENSIONCORDS.

8、EXPLAIN THAT A FOREST OF EXTENSIONS SPROUTING FROM A SINGLE OUTLET CANLEADTODISASTROUSCONSEQUENCESTOHOMEANDFAMILY. PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS GOOD EARTH GROUND SUCH AS THE WATER PIPE, CONDUIT, ETC. 2 SAFETY NOTICE 3 CAUTION : Before servicing the DVD covered by this servi

9、ce data and its supplements and ADDENDUMS, read and follow the SAFETY PRECAUTIONS NOTE : if unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions in this publications, always follow the safety precautions. RememberSafetyFirst: GeneralS

10、ervicingPrecautions 1. Always unplug the DVD AC power cord from the AC powersourcebefore: (1)Removingorreinstallinganycomponent,circuitboard, module,oranyotherassembly. (2) Disconnection or reconnecting any internal electrical plugorotherelectricalconnection. (3) Connecting a test substitute in para

11、llel with an electrolyticcapacitor Caution :A wrong part substitution or incorrect polarity installation of electrolytic capacitors may resultinanexplosionhazard. 2. Do not spray chemicals on or near this DVD or any of its assemblies. 3. Unless specified otherwise in this service data, clean electri

12、cal contacts by applying an appropriate contact cleaning solution to the contacts with a pipe cleaner, cotton-tippedswab,orcomparablesoftapplicator. Unlessspecifiedotherwiseinthisservicedata, lubricationofcontactsisnotrequired. 4. Do not defeat any plug/socket B+ voltage interlocks with witch instru

13、ments covered by this service manual might beequipped. 5. Do not apply AC power to this DVD and/or any of its electrical assemblies unless all solid-state device heat sinksarecorrectlyinstalled. 6. Always connect test instrument ground lead to the appropriategroundbeforeconnectionthetest instrument

14、positive lead. Always remove the test instrumentgroundleadlast. InsulationCheckingProcedure Disconnect the attachment plug trom the AC outlet and turn thepoweron.Connectaninsulationresistancemeter(500V) to the blades of the attachment plug. The insulation resistance between each blade of the attachm

15、ent plug and accessible conductive parts (Note 1) should be more than 1Mohm. Note 1 : Accessible Conductive Parts including Metal panels,inputterminals,Earphonejacks,etc. ElectrostaticallySensitive(ES)Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such

16、components commonly are calledElectrostaticallySensitive(ES)Devices.Examplesof typical ES devices are integrated circuits and some field effecttransistorsandsemiconductorchipcomponents. The following techniques should be used to help reduce the incidenceofcomponentdamagecausedbystaticelectricity. 1.

17、Immediatelybeforehandlinganysemiconductor componentorsemiconductor-equippedassembly,drain off any electrostatic charge on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed for potential shock re

18、asons priortoapplyingpowertotheunitundertest. 2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum toil, to prevent electrostatic charge builduporexposureoftheassembly. 3. Use only a GROUNDED-tip soldering iron to solder or un

19、solderESdevices. 4. Use only an anti-static solder removal device. Some solder removal devices not classified a anti-static can generate electrical charges sufficient to damage ES devices. 5. Do not use freon-propelled chemicals. These can generate electrical charge sufficient to damage ES devices.

20、6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductivefoam,aluminumfoil,orcomparable conductivematerial.) 7.Immediately before removing

21、 the protective material from the leads of a replacement ES device, touch the protective material to the chassis or circuit assembly intowhichthedevicewillbeinstalled. Caution : Be sure no power is applied to the chassis or circuit,andobserveallothersafetyprecautions. 8. Minimize bodily motions when

22、 handling unpackaged replacement ES devices. (Normally harmless motion suchasthebrushingtogetherofyourclothesfabricorthe lifting of your foot from a carpeted floor can generate staticelectricitysufficienttodamageanESdevice.) SERVICING PRECAUTIONS Pickup Signal System Video Signal Horizontal Resoluti

23、on Video Signal-to-noise Ratio Audio Frequency Response (at 2 CH Stereo Mode) Audio Signal-to-noise Ratio Total harmonic Distortion Dynamic Range DVD Player 4 PRODUCT SPECIFICATIONS Semiconductor Laser, wavelength 650nm PAL/AUTO/NTSC 480 Lines (DVD) 50dB (DVD) DVD (PCM): 180Hz 20kHz (+/-1.0dB) CD: 1

24、80Hz 20kHz (+/-1.0dB) 85dB 0.05% DVD: 85dB; CD: 80dB System Tnuing Range Antenna Terminal Intermediate Frequency FM Tuner PLL Quartz-locked Digital Synthesizer System 87.50 108.00MHz (50kHz Step) 75 ohms, Unbalanced 10.7MHz CVBS Video S-Video Component Video Out Optical & Coaxial Out Video Outputs 1

25、Vp-p 75 ohms Y: 1Vp-p 75 ohms C: PAL 0.3Vp-p 75 ohms / NTSC 0.286Vp-p 75 ohms Y: 1Vp-p 75 ohms Cb/Cr: NTSC 0.7Vp-p 75 ohms / PAL 0.698Vp-p 75 ohms 1Vp-p 75 ohms Audio L/R/SL/SR/C Subwoofer Audio line Outputs 2 Vrms, 1k ohms 1.2 Vrms Maximum (Adjustable), 1k ohms Stereo Mode Surround Mode Audio Power

26、 Outputs 20W + 20W (8 ohms at 1kHz, THD 10%) Front: 20W + 20W (8 ohms at 1kHz, THD 10%) Center: 20W (8 ohms at 1kHz, THD 10%) Rear: 20W + 20W (8 ohms at 1kHz, THD 10%) Power Requirements Power Consumption (Max) Dimensions (W x H x D) Weight General (Main Unit) AC 100-240V, 50/60Hz 170w 430 x 68 x 28

27、0mm 3.2kg Subwoofer Front/Center/Rear Speakers Speakers Power: 40W Speaker System: Base Reflex Speaker Unit: 6.5 inchs Rated Impedance: 4 ohms Dimensions (W x H x D): 200 x 320 x 345mm Weight: 5.37kg Power: 20W Speaker System: Base Reflex Speaker Unit: 3 inchs Rated Impedance: 8 ohms Dimensions (W x

28、 H x D): 90 x 140 x 105mm Weight: 1.38kg Microphone USB SD/MMC/MS General (Main Unit) Microphone Jacks USB Port SD/MMC/MS Card Slot Front Panel 5 FUNCTIONAL OVERVIEW 12345678910 11121314151617181920 HITACHIHTD-K210 ON/STANDBYFUNCTIONTUNINGMEMORYMENUTITLEPLAYPAUSESTOPPREVNEXT MIC1MIC2 MIC LEVELECHO +

29、 OPEN/CLOSE STANDBY CARD SLOTUSB MEMORY DOWN VOLUME UP 1. POWER ( ON/STANDBY) Press to turn the unit on or standby. 2. FUNCTION Press to select DVD, TUNER or AUX mode. 3. TUNING UP/DOWN ( / ) Press to search for the radio stations. 4. MEMORY Press to store the desired radio stations. 5. MENU Press t

30、o display the root menu while playing a DVD disc. 6. TITLE Press to display the title menu while playing a DVD disc. 7. PLAY ( ) Press to confim and execute the selection or to start a playback. 8. PAUSE ( ) Press to pause a playback. 9. STOP ( ) Press to stop a playback. 10. PREV/NEXT ( / ) Press t

31、o return to the previous or skip to the next title/chapter/ track. 11. VOLUME UP/DOWN Turn to increase (UP) or decrease (DOWN) the volume level. 12. USB MEMORY Insert the USB Flash Memory or USB memory Card Reader to this port. 13. CARD SLOT Insert the SD, MMC or MS card to this slot. 14. OPEN/CLOSE

32、 ( ) Press to open or close the disc tray. 15. REMOTE SENSOR Receive signal from the remote control. 16. FRONT PANEL DISPLAY 17. DISC TRAY 18. ECHO Turn to increase (+) or decrease (-) the microphone echo level. 19. MIC LEVEL Turn to increase (+) or decrease (-) the microphone volume level. 20. MICR

33、OPHONE JACKS Connect the microphones to these jacks. Front Panel Display 6 12345678 9101112131415161718 1. 5.1 CHANNEL SPEAKER OUT Connect to the supplied speakers. 2. POWER SUPPLY CORD Connect to a wall outlet. 3. FM ANTENNA JACK Connect to the supplied FM antenna. 4. 5.1 CHANNEL AUDIO OUT Connect

34、to an external amplifier or other optional source. 5. AUX IN Connect to a TV set and VCR, or other optional source. 6. VIDEO OUT Connect to a TVs Video input terminal. 7. COMPONENT VIDEO/PROGRESSIVE SCAN OUT Connect to a TVs Component Video input terminals. 8. COAXIAL OUT Connect to an optional rece

35、iver. 9. OPTICAL OUT Connect to an optional receiver. 10. S-VIDEO OUT Connect to a TVs S-Video input terminal. MEMORY STEREO PROG MONO KHZ MHZ 12345678 910 (IMPEDANCE 4) SUBWOOFER RL REAR CENTER (IMPEDANCE 6) RL FRONT SPEAKER SYSTEMS 100-240V 50/60Hz L R FM 75 FRONTSURROUNDCENTER SUBWOOFER AUDIO OUT

36、(5.1 CHANNEL) VIDEO OUT Y CB / PB CR / PR COMPONENT VIDEO / PROGRESSIVE SCAN OUT S-VIDEO COAXIAL OPTICAL DIGITAL AUDIO OUT AUX IN Rear Panel 1. DVD Indicator 2. CD Indicator 3. TITLE Indicator 4. CHAPTER/TRACK Indicator 5. REPEAT PLAY Indicator 6. LOCK Indicator 7. ANGLE Indicator 8. DOLBY DIGITAL I

37、ndicator 9. PROGRAM Indicator 10. MONO Indicator 11. STEREO Indicator 12. MEMORY Indicator 13. SECOND Indicator 14. MINUTE Indicator 15. TITLE/CHAPTER/TRACK Indicator 16. PAUSE Indicator 17. PLAY Indicator 18. PLAYBACK CONTROL Indicator Remote Control 7 1. POWER ( ) Press to turn the unit on or stan

38、dby. 2. NUMBER BUTTONS 3. FAST FORWARD/FAST BACKWARD (SEARCH) ( / ) Press to play a disc in fast forward/backward mode. 4. SLOW-MOTION PLAY ( ) Press to play a disc in slow-motion. 5. USB/CARD Press to select input soure (DVD, USB or CARD). 6. PLAY ( ) Press to confim and execute the selection or to

39、 start a playback. 7. MENU Press to display the root menu while playing a DVD disc. 10. VOLUME +/- Press to increase (+) or decrease (-) the volume level. 11. SUBTITLE ( ) Press to select a desired subtitle language while playing a DVD disc. 12. MUTE ( ) Press to mute or restore the volume. 13. PS (

40、PROGRESSIVE SCAN) Press to select Progressive Scan or Interlace output mode. 14. RETURN (Not applicable to this unit) 15. AUDIO MODE ( ) Press to select a desired audio channel output. 16. ANGLE ( ) Press to select a desired camera angle (if available) while play- ing a DVD disc. 17. KEY CONTROL ( ,

41、 ) Press to lower ( ) or higher ( ) your pitch at karaoke mode. 18. AUDIO LANGUAGE ( ) Press to select a desired audio language while playing a DVD disc. 19. SYSTEM Press to set the color system of the unit. 20. OK Press to confirm and execute the selection. 12 13 11 10 9 8 7 6 4 3 5 1 2 15 14 17 16

42、 18 20 19 22 21 23 25 24 27 26 28 30 29 32 31 64 3 5 12 978 10/0+10 POWER OSD P.MODE DIGEST ZOOMTIME SEARCH SEARCHSKIP USB/CARDREPEATFUNCTION MENUTUNING UPTITLE OK SETUPSYSTEM TUNING DOWN VOLUMEKEY CONTROL PSRETURN HITACHI HTD-RM210 + 8. LEFT/UP/DOWN/RIGHT ( ) Press to select and move the screen cur

43、sor to a desired option. 9. SETUP Press to display or exit the SETUP menu. 21. TITLE Press to display the titlemenu while playing a DVD disc. 22. PAUSE ( ) Press to pause a playback. 23. STOP ( ) Press to stop a playback. 24. REPEAT Press to repeat a disc/title/chapter/track playback. 25. FUNCTION P

44、ress to select DVD, TUNER or AUX mode. 26. PREVIOUS/NEXT ( / ) Press to return to the previous or skip to the next title/chapter/ track. 27. TIME SEARCH Press to search and play the desired title/chapter or desired point by specifying the time. 28. ZOOM Press to enlarge or reduce the pictures while

45、playing a disc. 29. DIGEST press to view the contents of the disc or track all at once. 30. P.MODE (PLAY MODE) Press to set a program play or to play the disc in random or shuffle order. 31. OSD Press to display or exit the DISPLAY menu. 32. OPEN/CLOSE ( ) Press to open or close the disc tray. 8 Swi

46、tch off all power supplies to the equipments before connection. The unit has many kinds of output modes like AV output, S-Video output, Component Video/Progressive Scan output and digital signal output (Optical and Coaxial). NOTE: If the TV has component Video input terminals, connect the unit to th

47、ese terminals. You can enjoy high quality picture playback. Turn on the TV and set the correct video-in channel. Connecting to a TV L R FM 75 FRONTSURROUNDCENTER SUBWOOFER AUDIO OUT(5.1 CHANNEL) VIDEO OUT Y CB / PB CR / PR COMPONENT VIDEO / PROGRESSIVE SCAN OUT S-VIDEO COAXIAL OPTICAL DIGITAL AUDIO

48、OUT AUX IN TV To S-Video Input To Video Input To Audio Input To Component Input FM Antenna CONNECTIONS 9 NOTE: If you have DTS decoder or processor, you can enjoy DVD disc or CD sound decoded by 5.1 channel DTS. Connecting to an Amplifier TV To Video Input To Audio Input To Video Input To Coaxial Input L R FM 75 FRONTSURROUNDCENTER SUBWOOFER AUDIO OUT(5.1 CHANNEL) VIDEO OUT Y CB / PB CR / PR COMPONENT VIDEO / PROGRESSIVE SCAN OUT S-VIDEO COAXIAL OPTICAL DIGITAL AUDIO OUT AUX IN L R FM 75 FRONTSURROUNDCENTER SUBWOOFER AUDIO OUT(5.1 CHANNEL) VIDEO OUT Y CB / PB CR