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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Hi John<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>The circuit I have has a TDA1905 for the audio, I’d check the output on pin 1 before buying a replacement chip.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Just to eliminate the cap and audio socket.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><img width=624 height=595 id="Picture_x0020_1" src="cid:image001.png@01CE9ACD.C7D03F90"></span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Cheers<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Mike<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> TheList [mailto:thelist-bounces@radiowiki.org.nz] <b>On Behalf Of </b>John Barnhill<br><b>Sent:</b> Friday, 16 August 2013 2:29 p.m.<br><b>To:</b> thelist@radiowiki.org.nz<br><b>Subject:</b> [TheList] Technical Assistance<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Wondering if any among the group has had anything to do with the Uniden UBC780 xlt scanner. Have one in ‘mint condition’ apart from a fault of no audio. Using the ‘tape output’ into a stand-alone audio amp – perfectly OK. Suspect the Audio Amp IC (NEC 7808) has gone ’10 zero’ Any suggestions where a replacement IC could be obtained, “Digi –Key Corp” show it as a 5.5Watt audio amp chip, but not indicating any stock.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>John B<o:p></o:p></span></p></div></body></html>