QV06LC782130602 (LC83017 JE)DE-CorrelateQ607,und processor circuit. )12. CENTER MODEWith Dolby pro logic, three center modes depend on theuse of a center speaker as follows :NORMAL : Bass frequencies are sent only to theLeft and Right Front channels. Selectthis mode when the Center Speaker issmaller than the Left and Right speakers.WIDE : Bass frequencies are sent to the Left,Center and Right speakers. Select thismode when the Center speaker isapproximately the same size as the Leftand Right speakers.PHANTOM : Center channel information is sent to theLeft and Right speakers. Seiect thismode when you do not have a centerchannel speaker.QV04LC78212 MASTERVOLUME AMPFRONT LAMPFRONT RAMPCENTERSUB240 WOOFER22 AMPSURROUND210 L9 AMPSURROUND100 R3. TEST TONE GENERATORThe test tone generator generates a test tone ( noise ) tocheck the balance of sound output from each speaker inthe THX CINEMA MODE, ( This circuit is produced underlicense of Lucasfilm Ltd. ) and the Dolby pro logic mode.( This circuit is produced under license of the DolbyLaboratories Licensing Corp. )0602 LC83017JENOISEGENERATORt+---t- SUBW( Flow of noise signals within the system. )Fig. 3(( ·,1.(www.audiodna.sk