Question about RCA 24V511T 24" TV

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RCA 24V511T Vertical problem

This TV comes on with the top half of the picture showing only with retrace lines. Then the screen goes blue and the set shuts off

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  • Prof gagdet Jan 30, 2009

    Hi Dan

    Been in the business for 35 years. I have changed the vertical output IC and checked supply voltages and capacitors. Can't seem to locate a schematic for troubleshooting

  • Prof gagdet Feb 05, 2009

    Thanks Dan I found C303 near the Jungle I.C., but it teateds OK.

    So far I have Changed out vertical output IC and have checked diodes and capcacitors for E.S.R. I have also checked gthe + and - power supplies they are OK. Seems RCA has really tken a nose dive as far as product support



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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.


Posted on Jan 30, 2009

  • ABRsvcs Feb 03, 2009

    Sorry about the delay, I've had csome connectivity issues. I am attempting to access the schematic as I write this. One thing to check is that there is a cap in the vertical circuit that is not located with the rest. I think it is around the jungle IC area. It should be marked with the same circuit designation as the rest of the vertical circuit parts though (eg IC3xx for the vertical IC, Cxxx for the cap).

    Check that first. I'll add more in a bit.


  • ABRsvcs Feb 05, 2009

    I'm assuming that you tested the cap using an ESR meter. I would change the caps anyway. They may be failing under load. The ESR meter does not put that much of a load on the component. My connectivity should be back to normal tonight for access to the RCA stuff. Thanks for being patient. I'll try to loko at the schematic tonight.



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I have a TV of this model. When I turn it on there is a white line that goes across the screen. There is no picture. After about a few minutes there is a distorted picture on the top half of the TV but the...

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.
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