Yes I could try but only have this one Audio I.C left. If it doesn't work will have to order another. May have to try this in the end. thanks Larry, Bruce. ----- Original Message ----- From: "Larry E" <videotech@xxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Friday, January 21, 2005 9:15 PM Subject: [TechAssist] Re: Fw: Re: Toshiba CF3566A (Tac9190)Blows Audio Output I.C.? > Bruce, why not tie a 8-10 Ohm 10-20 watt resistor to the speaker wires? This > will act as a speaker load > and should give you your answer, just a thought, > Larry Eastman > American TV & Electronics > Crystal River, Fl. 34428 > ----- Original Message ----- > From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Friday, January 21, 2005 8:03 PM > Subject: [TechAssist] Fw: Re: Toshiba CF3566A (Tac9190)Blows Audio Output > I.C.? > > > > Audio Output I.C shorting on internal audio setting only! > > I spoke to soon on this set. This chassis is difficult to work on having 3 > > separate boards that tie together. I removed the chassis and left the > > cabinet in customers home. The set has High Voltage and Audio now ,after > the > > audio and power supply repair.. If I put the audio switch on back of > chassis > > to internal setting it blows the Audio Output I.C immediately. "On > external > > Audio it works good audio and all". Is it possible the "speakers have to > be > > hooked up" on this chassis to prevent this problem. I have gone over the > > circuit many times and all voltages check good. ( with external audio on > > only). I am stuck with this problem? Have not seen any thing like this > > before, but don't work on many Toshiba sets with this type chassis. I have > a > > print and followed the audio from main chassis to AV board and back to > main > > chassis again, I can not find any part tied to this circuit that would > cause > > this.. I have blown a few of these audio I.C's ,it is getting costly. > > any help on this appreciated, > > Bruce. > > > > B&T Electronics > > 139 Margaret St > > Sarnia Ontario > > Canada > > N7T 2Y3 > > 519 344 1850 > > > > > > > > > > > > Subject: Re: [TechAssist] Re: Toshiba CF3566A (Tac9190) No Start Relay > click > > only! > > > > > > > Fixed! Thanks for the help , found a bad cap (C651) at the audio > > > output I.C, it was leaking causing the output and diodes to short in > that > > > section. . > > > I also repaired the power supply. > > > Bruce. > > > > > > > > > > -------------------------------------------------------------------------- > --- > > Lost Password: > > http://www.tech-assist.org and select "Login Problems?". > > Email Archives: > > //www.freelists.org/archives/techassist/ > > > > > > > > -------------------------------------------------------------------------- --- > Lost Password: > http://www.tech-assist.org and select "Login Problems?". > Email Archives: > //www.freelists.org/archives/techassist/ > ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/