It would help to know brand and model number.
If red or blue will not move in some direction you may have a convergence circuit problem.
Different sets adjust in different ways and most use the original remote for this in the customer menu and also in a hidden tech menu.
Let me know Brand and Model number so I may assist you.
SD TECH
Yes, It is a JVC model and uses two of the STK-392-110 convergence chips---with the JVC remote you can in the customer menu adjust convergence---if for example red or blue will not adjust in some direction both the chips need to be replaced---very common problem in this and most projection sets.
This model is fairly easy to get at the parts and for many people could be a do it yourself repair---parts cost on EBAY would be under 30 dollars.
I can provide you with photos of what the board that has the circuit looks like and tell you how to remove it---repair involves getting at the parts and being able to solder the new parts in.
See attached photos
SD TECH
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sn #15752423 model#av-48wp30 also the top is wavey
did u get # s???
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