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What is wrong with this HP-19C



#2

I spied this HP-19C on TAS. It's obviously got a problem, but I wonder what. Bad ACT? Anyway, here it is:

HP-19C on TAS


#3

Probably. The 19C is essentially a Woodstock. Powering it up without a good battery could result in burning out the ACT and other components, such as the continuous memory chips and even the ROM chips. This would result in the flashing display.


#4

Yeah, so sad. These are so rare anyway, and then to see that most of them are fried is truly a shame. Fortunately, I have one that works perfectly, but am always worried about charging the batteries inside the calculator.


#5

BTW, occasionally these will power up O.K. when a regular battery is put in place if it hasn't been burned out yet. That's why I'll bid some for it, but I won't go too high... it's not worth it if it's only going to be a parts machine. But, I had to mention... there's a chance it COULD still work.


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