Technology of Q 2500 colour TV set
Technology of Q 2500 colour TV set
Technology of Q 2500 colour TV set
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<strong>Technology</strong> <strong>of</strong> Q <strong>2500</strong> <strong>colour</strong> <strong>TV</strong> <strong>set</strong>5.3 AC3 module (Dolby Digital)5.3.1 Block diagram, AC3 moduleAC3 modulSOUNDTABLELS12VMC34063DC-DCConverter-12VAT27LV020AROMRSLCLCLSRSI²S2AUDIO OSZ.I²C1SP-DIF INCS 492505Multi ChannelDigital AudioDecoder3 X I²SRESETRESETI²C1CS 4226D/A-Converter6 X 20 bitLFERLCCLRSSM2404SHEF 4053SpeakerConfigurationMatrixCLRCLRSP-DIF IN 1SP-DIF IN 2SP-DIF IN 3NJM2234P16P17I²C1PCF857516 bit I²CExpanderP3P4P5P6P7P0P1P2P10P11P12P13LFELFERCLFERCSP-DIF5.3.2 AC 3 signal processingA Dolby Digital Module can also be incorporatedinto the signal board variants Q <strong>2500</strong>/Hand Q <strong>2500</strong>/M. If a signal board is fitted withthe AC 3 module, the essential sound signalprocessing takes place on the AC 3 module.The AC 3 module supports:- Dolby Pro Logic- Dolby Digital 5.1- Circle SurroundDolby Digital 5.1 and Circle Surround cansupply up to 6 sound channels.- 2 channels for Front left and right- 2 channels for Surround left and right- 1 Centre channel- 1 deep sound channel (LFE low frequencyeffects)The Dolby Digital 5.1 Decoder is only active,when a correct AC 3 audio digital signal issupplied from a signal source.- PCM StereoDocument Q <strong>2500</strong> 121 © Loewe ProCollege
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