I have a panasonic pt-61g54c was working fine then all of a sudden picture went dark and started jumping up and down and picture expands like if your watching behind a magnifing glass then go's normal then back.
hoping this is not serious and expensive fix. before i call an expert to repair it ...thanks
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Re: picture is jumpy and expands
Right now it should not be expensive to repair but dont use it anymore or it might become worst,sound like loose conections in the horizontal circuit ,seek assistance it should not be expensive to correct.
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There are any number of possible failures that can cause the symptoms you're describing. For example, C509 a .47uf/250v mylar cap has been known to fail in those units causing the wavy lines. On the other hand convergence amp failures can do the same thing. That unit uses two STK392-110 Sanyo amps at pos# Ic7001,Ic7002 Panasonic p/n# C5aa00000203 and more in that circuit needs to be tested and signal traced to isolate all of the problem if the amps are the culprit. In short, I don't think this is one you want to tackle with less than a 20 mhz scope and some serious background in electronics.
Apparently you have a possible component failure with your Panasonic PVQ-2510.
This would involve the circuitry at the back/neck of the picture tube. Diagnosis would require familiarity with discreet components, use of a VOM, soldering and general component knowledge. In as much as it is possible that your red drive transistor (or an IC) would require replacement or resoldering, your best bet is to seek the services of a qualified professional.
Should you venture to do a do-it-yourself, pls post back.
Good luck and kind regards.