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Corning PC-420D Repair/Restoration
Dr.Bob, I wish I could help you, but I'm in Brazil. But if you need to fix at least one for your own ... |
6-3-2016 at 05:42
by: Charles Rabelo |
Corning PC-420D Repair/Restoration
After thoroughly analyzing the signal that comes from the sensor, I came to the conclusion that the ... |
27-2-2016 at 19:26
by: Charles Rabelo |
Corning PC-420D Repair/Restoration
I measured motor temperature and in 1 minute the winding reached 92C. It is because of current losse ... |
4-2-2016 at 11:56
by: Charles Rabelo |
Corning PC-420D Repair/Restoration
I thank you all who helped me in this project. I found where was the defect. You were right, there w ... |
2-2-2016 at 08:36
by: Charles Rabelo |
Corning PC-420D Repair/Restoration
The potentiometers are new, but I will put others to verify. I intend to reproduce the display board ... |
27-1-2016 at 15:41
by: Charles Rabelo |
Corning PC-420D Repair/Restoration
I think that the action of switch causes a change in logic level in the microcontroller, and this wo ... |
26-1-2016 at 16:28
by: Charles Rabelo |
Corning PC-420D Repair/Restoration
I have measured the voltage between VCC and GND of 74HC595, CD4511 and 74HCT238. I used the maximum ... |
26-1-2016 at 14:21
by: Charles Rabelo |
Corning PC-420D Repair/Restoration
[file]47603[/file]
The corning boxes were sandblasted and then electrostatic painted. The finishi ... |
25-1-2016 at 10:02
by: Charles Rabelo |
Corning PC-420D Repair/Restoration
I'm not sure if this is the right place to open this thread, so I already apologize in advance if it ... |
17-1-2016 at 16:54
by: Charles Rabelo |
