Question about Televison & Video
You will find that the Flyback assembly or the EHT cap connected to the top of you picture tube is "leaking". The hissing sound is arcing caused by insulation breakdown in the plastic block of the flyback assembly, a faulty tuning capacitor in the horizontal output stages, or if you live in a humid climate, dust that may have accumulated on the back of the tube/high tension stages , will create a track of conductivity when it takes on moisture from the air. The hissing sound is the air being ionised by the high voltages present.
There is in excess of 25,000 volts in these areas, and repairs to your set should be done by a professional with good experience if you are not familiar with the problem I am speaking of, particularly about the rubber cap connected to the tube. Voltages remain present here even after the set has been turned off, and will remain so for an extended period. The picture tube needs to be discharged correctly before any attempts to repair problems here are made.
I am happy to discuss things further if you wish.
Posted on Aug 05, 2010
This hissing sound might be comming from your high limit transformer, Spomething you might want to check in the shop for as its a sign of a breakdown and you want to knab it before it becomes more parts and $$ out your pocket.
I am sure this can be repaired but I do not know how you feel about having it repaired it might not be worth the $$ but then again people cheerish there old tech.
Thanks hope this helps please do consider leaving a rating.
Posted on Aug 05, 2010
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Posted on Jan 02, 2017
SOURCE: Lost Power
The power supply may have failed. Very often when there are failures in these sets it is from one of the scan amplfiers, and then it takes the power supply down with it.
Your set can be serviced by an experienced tech who especialy knows details about your model type.
Posted on Apr 18, 2008
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