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Re: RCA 24V511T Vertical problem
There is a problem with the vertical circuit. In many cases this is either poor solder connections or a defecitve vertical IC. If you can solder you should be able to fix this yourself. Please note that there are potentially dangerous high voltages present inside the set even when unplugged. Let me know if you wish to attempt the repair and I'll provide additional details and instructions.
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Hi. Look for cold solderjoints on the vertical output section. Most likely, the vertical final IC has bad solderings. Using a magnifier, one can see "craters" around the soldering pin/pad. Or just simply re-do all of them. Good luck;
if retrace lines at top of picture the issue is in the vertical circuit--usually a bad filter cap and or the output chip (most of the caps that cause that are 220 uf or 330 uf and connected directly to one pin on the chip.
If retrace lines are across entire screen---likely the master screen control on the Flyback is set too high--causes excessive brightness and the retrace lines.
This is commonly known as a vertical deflection problem. It cannot be fixed with an adjustment, but requires changing some electronic components. Namely the vertical output IC (integrated circuit) and in addition usually in this model a resistor which may appear to be burned.
Vertical output sectionj inside the circuit board of your RCA tv is damaged. From your description I understands that there is some loose soldering occured in that section. Just open your TV, locate the vertical output section and resolder most of the soldering points in that section by applying a little more solder. The proble of your TV sholuld be rectified. To locate the vertical section, follow the four wires going from deflection yoke, ie, coil fitted on the neck of the picture tube. There will be four oof them, out of which two of them will be thin relative to the other two. Usually colur coded as blue and yellow. Colour code should always not be the same as described, and it can be changed to set by set. Any way these four wires reach to the main board and socketed there. Follow the track on the print side of the board, where the above said two thin wires are connected, and you will reach to the vertical output section.
If this does not help, replace the IC used in that section with same type and number. If you want any more assistance, please inform me by Fixya. OK.
These are called vertical retrace lines. They are going to get worse untill you find the bad capacitor(s) or replace the vertical driver/output IC. Please, if you have not the solid state repair experience, get a pro to assist you in this repair as there are no user replaceable parts inside this set. Good Luck
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