Horizontal section of the TV in question. I would begin checking waveforms and voltage levels in that section if the brightness control on the signal processor IC is indeed working but not controlling
...horizontal line in the middle of screen. Tried making it On / OFF pulling the cable wire in / out , nothing seems to work. Any solution? regards Yes there is, a solution. There is a vertical sweep ...
downs. Therefore if your TV is not so old, its main Ic may be faulty, or horizontal synchronisation pulse does not reach the appropriate pin of that Ic. First check it, and if it is ok, replace the Ic
...or horizontal section. It is a linear ic with heatsink. If nothing happens after replacing the ic, replace all the polarized capacitor near the ic and resolder the components at the vertical
...horizontal line across the screen denote that the vertical swep or output has damaged, or there are some loose solder points to vertical output section. Loose solder problems are very common to the ...
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