Model KV-27S40; no picture/no sound Timer light flashes 4 times, stops for second or two and keeps repeating. Unplugged for 5 - 10 minutes but did not resolve. Most likely IC 541 is faulty on the A ...
tda8172&stv9379whats difrent i have 2 ics no 1=tda8172 no2 =stv9379 is its same HelloTDA 8172 & STV 9379 are pin to pin compactable vertical output ICs, and are equivalents. to each other. OkPINS1
Vertical problem the ic tda8172 have a 50vdc in pin 3 If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. ...
Question about RCA Televison & Video
...vertical yoke circuit. Pix displays vertical foldover What is the value of RF09? Yoke is fed with TDA8172. RF09 is connected to vertical yoke return circuit. Looks like a feedback circuit, or ...
...The indicator LED blinks 4 times then repeats. I'm told that this is likely a problem with IC561 (TDA8172). I measured 1.1V at pin #2 of IC561 and 0 volts on pin 9 of the flyback (not sure which
...It's not an adjustment.Chances are it's your vert. output i.c.or a surrounding component.Chip # is
tda8172 sony tv starting time horizantal line for a moment.but tv no raster. Failure of vertical sweep output. Check all the solder terminals of vertical output IC, for any loose solder. It is best to
...and this is due to IC561 Details(Part No. and Description) of IC is given below: 8-759-980-58 IC TDA8172 which is not working please replace it and your tv work fine again. Thanks for using
...The indicator LED blinks 4 times then repeats. I'm told that this is likely a problem with IC561 (TDA8172). Happy to help. Thanks for the update. ...
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