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/vr/ - Retro Games

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>> No.4865509 [View]
File: 4 KB, 400x300, CRT splotch.jpg [View same] [iqdb] [saucenao] [google]
4865509

I have a CRT TV with a dark splotch in the upper left corner that is most visible on the blue screen that shows when nothing is plugged in.
It looks like pic related.
I have seen other CRTs with the same problem, sometimes in more than one corner.

Is this caused by:

a. Warped shadowmask caused by overheating from high constrast settings -unfixable

b. Magnetic distortion caused by speakers or other nearby magnets nearby -fixable with a degaussing coil

c. Colour error caused by misaligned purity yoke -fixable by taking off the back and adjusting the neck of the CRT

>> No.4846697 [View]
File: 4 KB, 400x300, CRT splotch.jpg [View same] [iqdb] [saucenao] [google]
4846697

I have a CRT TV with a dark splotch in the upper left corner that is most visible on the blue screen that shows when nothing is plugged in.
It looks like pic related.
I have seen other CRTs with the same problem, sometimes in more than one corner.

Is this caused by:

a. Warped shadowmask caused by overheating from high constrast settings -unfixable

b. Magnetic distortion caused by speakers or other nearby magnets nearby -fixable with a degaussing coil

c. Colour error caused by misaligned purity yoke -fixable by taking off the back and adjusting the neck of the CRT

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