Question about Televison & Video
Hi! I have no vertical deflection on this crt tv. I have 33V present on R816 but I don't have the 26V in TDA8174 pin 10. I've been checking all the resistors and capacitors but found nothing so far... All the voltages from the power supply seem to be good. Can anyone help, please?
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Posted on Jan 02, 2017
If the main IC is not putting out a vertical drive signal then the vertical output will not do anything and therefore will not be damaged. What exactly do you mean by the set "literally eats deflection IC's"? What is the number on the vertical output IC? I will bet that your pump-up cap or pump-up diode is defective.
Posted on Jul 05, 2007
in jvc av-27020 we called that problem as on timer.your red LED indicator blinking.the reason is your vertical ic is defective if your vertical ic is la7832 replace it with la7840 if there is no la7832.that is most common cause of blinking in jvc 27020
Posted on Oct 18, 2007
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