SONY-HCD-DZ260DZ270HDZ278-SERVICE-MANUAL维修手册含电器原理图

HCD-DZ260/DZ270/HDZ278SERVICE MANUALUS ModelCanadian ModelHCD-HDZ278AEP ModelVer.1.02008.01UK ModelHCD-DZ260EModelAustralian ModelHCD-DZ270Photo HCD-DZ270HCD-DZ260/DZ270/HDZ278 are the amplifier,DVD/CD andtuner section in DAV-DZ260/DZ270/HDZ278.This system incorporates with Dolby*Digital and Dolby ProModel Name Using Similar MechanismHCD-DZ230/DZ231/HDZ235Logic (II)adaptive matrix surround decoder and the DTS*+DigitalSurround System.Mechanism TypeCDM85-DVBU102*Manufactured under license from Dolby LaboratoriesOptical Pick-up NameKHM-313CAADolby”,“Pro Logic”,and the double-D symbol are trademarksof Dolby Laboratories.**Manufactured under license from DTS,Inc."DTS"and "DTS Digital Surround"are registered trademarksof DTS,Inc.SPECIFICATIONSAUDIO POWER SPECIFICATIONSSurround mode (reference)RMS output powerSignal format systemfor the US model (HDZ278)FL/FR/C/SLSR*:142North American,Mexican,and Latin American modelsPOWER OUTPUT AND TOTAL HARMONICwatts (per channel at 3NTSCDISTORTION:ohms,1 kHz,10%THD)Other mode kNTSCAPALWith 3 ohms loods,bothSubwoofer+:140 watts (atchannels dr iven,from 1803 ohms,80 Hz 10%%THD)USB Section (DZ260/DZ270)-20,000 Hz rated 84 wattsSupported bit rateper channel minimumDe学pending on the decoding mode senings and theMP3 (MPEG 1 Audio Layer-3):RMS power,with no moresouce,there mry be no soud oudput.32 kbps -320 kbpsthan 0.7%total harmonicWMA:48 kbps-192 kbpsdistortion from 250 milliInputs (Analog)(DZ260)AAC:48 kbps -320 kbpswatts to rated output.TV (AUDIO IN)Sensitivity:450/250 mVSampling frequenciesAUDIO INSensitivity:250/125 mVMP3 (MPEG 1 Audio Layer-3):Amplifier SectionInputs (Digital)(D2260)32/441/48HzUS models:TV (COAXIAL IN/OPTICAL IN)WMA:44.1HzSurround mode (re ference)RMS output powerImpe dance:75 ohms/.AAC44.1HzFL/F RACSL/SR:142Inputs (Analog)(DZ27/HDZ278)(USB)port:watts (per channel at 3TV/VIDEO (AUDIO IN)Sensitivity:450/250 mVMaximum current:500mAohms,1 kHz,10%THD)AUDIO INSemsiuvity 250125 mvSubwoofer:140 watts (atInputs(Digital)(HDZ278)Tuner Section3 ohms,80 Hz 10%THD)TV/VIDEO(COAXIAL IN/OPTICAL IN)PLL quartz-locked digitalChinese models:Impedance:75 ohms/.synthesizerSurround mode (re ference)RMS output powerOutputs(Analog）FM tuner sectionFL/F R/C/SL/SR*:100PhonesAccepts low-and high-watts (per channel at 3impedance headphonesTuning rangeNorth American models:87.5MHz-1080MHzohms,1 kHz)Subwoofer:100 watts (atSuper Audio CD/DVD SystemOther mode ls:87.5MHz-108.0MHz(s03 ohms,80 Hz)LaserSemiconductor laserk比sp)Other models:(Super Audio CD/DVD:Stereo mode (rated)108W+108W(a3ohs,=650 nm)Continued on next page-1 kHz 1%THD)(CD.入=790m)Emission duration:conlinuousDVD RECEIVER9-887.958-01Sony Corporation2008A04-1Audio Business GroupSONY©2008.01Published by Sony Techno Create Corporation