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HP-19C repaired
06-02-2017, 06:42 PM
Post: #16
RE: HP-19C repaired
(06-02-2017 06:04 PM)BobVA Wrote:  Viel Erfolg!

Unbelievable! It works and prints! I am flatted!

Now I have to check the poor processor board.

Left original, right already removed bad components. I'm not sure whether also the big PIK chip is defective. If so, it will become quite difficult.

[Image: uc?export=view&id=0Bwx8KUfOUL_ReGoyLTVFR3pkLUE] [Image: uc?export=view&id=0Bwx8KUfOUL_ReElDYjJOLXR2WlE]

and make a replacement for the display.

[Image: uc?export=view&id=0Bwx8KUfOUL_RVG9FVDZaYXZhVmM]

This kind of corrosion was seen nearly everywhere inside this HP-19C. It must have taken a bath in salt water.

Bernhard

That's one small step for a man - one giant leap for mankind.
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Messages In This Thread
HP-19C repaired - PANAMATIK - 05-20-2017, 04:05 PM
RE: HP-19C repaired - Matt Agajanian - 05-20-2017, 09:09 PM
RE: HP-19C repaired - Paul Dale - 05-20-2017, 11:21 PM
RE: HP-19C repaired - Dr. Mabuse - 05-21-2017, 02:34 PM
RE: HP-19C repaired - PANAMATIK - 05-21-2017, 03:30 PM
RE: HP-19C repaired - AndiGer - 05-21-2017, 07:18 PM
RE: HP-19C repaired - Geoff Quickfall - 05-21-2017, 11:19 PM
RE: HP-19C repaired - PANAMATIK - 05-23-2017, 06:00 PM
RE: HP-19C repaired - Dr. Mabuse - 05-23-2017, 06:57 PM
RE: HP-19C repaired - PANAMATIK - 05-24-2017, 02:03 AM
RE: HP-19C repaired - Geoff Quickfall - 05-24-2017, 04:08 AM
RE: HP-19C repaired - PANAMATIK - 05-24-2017, 10:25 PM
RE: HP-19C repaired - PANAMATIK - 06-02-2017, 05:42 PM
RE: HP-19C repaired - BobVA - 06-02-2017, 06:04 PM
RE: HP-19C repaired - PANAMATIK - 06-02-2017 06:42 PM
RE: HP-19C repaired - Dr. Mabuse - 06-02-2017, 06:17 PM
RE: HP-19C repaired - rprosperi - 06-02-2017, 08:25 PM
RE: HP-19C repaired - PANAMATIK - 06-02-2017, 09:07 PM
RE: HP-19C repaired - rprosperi - 06-03-2017, 12:25 AM
RE: HP-19C repaired - PANAMATIK - 06-03-2017, 11:28 AM
RE: HP-19C repaired - david sanz - 06-07-2017, 12:05 PM



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