I was given a Mitsubishi VS-60603 as a gift. Everything appears to be in great shape, other than a pink spot, square shaped, right in the middle of the TV. It is about 1" x 1" big. Any information you can provide would be greatly appreciated. Thanks!
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I have seen this before, and I can only describe it as a flaking of the phosphorus coating in one of the picture tubes. If you can, remove the back such that you can take a flashlight and look down into the 3 picture tubes. If you see any flaking or dark spots in the phosphor, there will be a spot on the screen missing that color. Unfortunately, this is not repairable, as all 3 tubes would need to be replaced (like replacing all 4 car tires when one is completely bald) and that would cost more than a new TV.
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The set if projection which model here is, has arced and now each of the three picture tubes used has a tiny permanent burn mark on its screen.
That is what you are seeing, the set uses three picture tubes with screens like the old tv sets===the coating has been burnt in each, want to prove it, remove rear cover and cover any one of the three lens and that mark on one tube will go a way.
To all accounts it does, this can be checked by verifying that it has TWO antenna inputs. To get the PIP working, you will need to split and feed both antenna inputs. Seems to be set up this way to cater to PIP with set top boxes/convertors that have RF outputs
the 2 tuners can be spotted as the shielded assemblies with covers either side in the lower right corner of this pic. There is a mod floating around that involves bypassing the PIP to fix a fault that the set develops. This may have been done to your already.
Your problem most likely is on the signal board is my guess. If your not a technician it would be in your best interest to have him check L2C60 on the signal board.
The part you are describing is actually the red picture tube, not a lamp. The tube will come dry and you will need to disassemble the lens assembly on the old tube, drain the coolant (antifreeze), reassemble the parts and seal on the new picture tube, fill with fresh coolant, install the new tube, reconnect all wires including the dangerous high voltage lead, then realign the yoke and entire convergence circuits. This is not something that should be attempted by anyone without experience. If you try it yourself and the seal is not working perfectly, the coolant will drip down on your main boards and the set will be ruined. If you slip while lowering the new tube in the chassis there is a good chance you will crack the tube's neck, and that tube will be useless too.
spot or linear lens
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