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By the way.... I really don't care if I have to spend $50 - 75 on IC's
if I can identify them go in and replace in one step... I just hate
replacing one .. then the next etc.. So as long as i can have the most
common failures on hand it is worth a shot - Thanks - Glen
Glen wrote:
> David,
>
> I checked:
> *Red tube filament is on. (all are) Only blue & green guns are
> shooting.
> *Board is warm like the rest. (ceramic resistors)
> *Red - Board is secure.
>
> Video amp for this TV is a TDA 8177 $4.95 online.
>
> Quoted from manual********
> No Regulator Output and a ***Chirping Sound***
> 1) Usually indicates excessive load.
> 2) Check each of the secondary supplies for excessive current drain
> (the 110V supply load is the most likely cause).
> *********************
> We heard a few beeps over the last week... could have been a "chirp"
> which is the HV control? Athough why would only red go out???
>
> Also think of any IC that may have overheated since this unit assembled
> in Mexico had poor installation of thermal grease on the STK's that
> failed... - grease on board not heatsink -
>
> Thoughts - Glen
>
>
> David Naylor wrote:
>
>
> > >
> > Take off the front panel speaker grill jut pulls off then the
> > cardboard cover in a darkened room check for filiment on the read tube
> > FAR LEFT TUBE. Chanmces are if you have filiment on the othe tube and
> > not he read tube there is NOTHING wrong with your supplies/ Try
> > whiggling the read crt board around , and see if filiment will come back
> > on , if it is not there.. If it is there and still have no read the,
> > replace the video amp ic on the crt board i think it is a TDA 6111
> > Good Luck
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