LCD replacement for TRS-80 PC-3 and Sharp PC-1250/-1251/-1255 pocket computersDesigned by The Half-Baked Maker in United States of America
What is it? This is a pin-for-pin compatible nearly exact replacement for the LCD module in the Radio Shack TRS-80 PC-3 or Sharp PC-1250/-1251/-1255 pocket computer released in 1983. Why did you ma...Read More…
Many PC-3 and PC-125x pocket computers suffer from LCD degradation to the point where they are no longer useful. Apparently the seal around the LCD was of poor quality, and over the years moisture gets in and ruins the liquid crystal. The result is a display ranging from a few splotches to complete failure.
I decided that it was important to bring all these dead PC-3 and PC-125x computers back to life by reverse-engineering the LCD and remanufacturing them.
These LCDs were custom manufactured by Sharp for the PC-125x. Radio Shack had a rebranding agreement with Sharp, and named the computer the TRS-80 PC-3. Replacement LCDs were never available, and finding a working LCD is problematic, given the systematic failure of the seal.
I tried as much as possible to make the fonts and positions used for the indicators as identical to the original as possible.
I've made a video showing how to replace one of these LCDs. There are a few crucial things you have to be aware of:
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United States Postal Service: USPS First Class Package
Does not include standard insurance, so if your package gets lost... :(
Donald | Feb. 5, 2020
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