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+--- Thread: HP-19C issue (/thread-166588.html)
HP-19C issue - Giovanni Jimenez - 04-30-2010
What could e the reason for this behavior on a HP-19C ?
"...When it is plugged in and turned on, the numbers continue to flash/scroll as if it is calculating a formula. All of the characters light up..."
thanks !
Re: HP-19C issue - Michael Meyer - 05-01-2010
Hard to say for sure, but my bet is that there's a "fried" ACT chip. Or soon to be fried, if you plug it in without a good working battery. The 19C is essentially a Woodstock and prone to the same damage if plugged in without a good battery with good contact. Try powering it with battery or a power supply connected the to battery contacts only.