dante_941, there are so many different types of players with varying versions of firmware out there it can be difficult to locate the exact one. (as you may already know).
Unfortunately you'll just have to continue trying all you can find until you get the one that works. You could try contacting the person who sold the player to you to see if they have a copy of it's firmware.
The only hope i can offer is that in some cases (like mine) a different version higher than it's original can work. So if it's firmware was v9.0.48 for a 1.5 screen, you might try a 9.0.50 for a 1.5. I did this and it seems to work better than the original firmware.
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Queensland - The Triangular State
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It is the beginning of wisdom to be able to say *I dont know!*
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