Question about Sanyo DS32224 TV
The CRT shadow-mask may no longer be degaussing, or the shadow-mask in the CRT is defective.
In or near to the power supply there is a thermoresistor that controls the degausser coils. When the set is turned on this thermoresistor gives a momentary high AC current to the degausser coil with a rapid decay for slightly over a period of about 200 ms or 1/5th of a second.
If this thermoresitor is defective, it will have to be changed to resore the degausser coil to work again.
On rare occasions I have had a bad degausser coil that had to be changed. I have also had the shadow-mask in the CRT become defective. The fix for a bad shadow-mask is to change the CRT. This is not feasible for this TV set!
You should get an experienced TV service tech to fix this for you.
Posted on Apr 28, 2008
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