The new parts are ok.
The question is this: if I connect an oscilloscope between PIN7 o TDA8170 and ground, the vertical opens, also if (obvisiouly) I don' see the image correctly.
Jerry G. Wrote:
Check to see if the new parts you put in are damaged again, since yo
> did
> not locate the original fault that did the damage.
>
> It is important to verify the supply voltages, if there is vertica
> drive
> coming from the scan generator, and if all the caps are good. Man
> times, a
> cap may become resistive (leaky in resistance), or opened (high ESR)
> thus
> causing these types of faults. You will need an ESR meter to properl
> test
> the caps.
>
> --
>
> Jerry G.
> =====
>
>
> Hi
>
> I have a KV-C292 Sony TV (chassis AE-1C) which is recently
> showing a lighter horizontal line in the middle of the screen.
>
> I've found R530 open.
> I've replaced the vertical IC (TDA8170) and all the components (except
> the two transistor Q505 & Q506) around the vertical section, but the
> vertical doesn't open.
>
> All the tensions are ok.
>
> Do you have any idea about it?
>
>
> --
> Raffag
-- Raffagr