IFR COM-120B Real Time Clock Failure
Posted: Thu Apr 26, 2018 3:46 pm
I've got a COM-120B in which the battery in the Real Time Clock (RTC) apparently went dead.
I replaced the RTC module (got several from China) but the Self Test still shows the RTC failure.
Of course, it's possible that the RTC modules that I from China are defective.
Or it's possible that I damaged the circuit board while getting the old RTC module out (the board looks ok, though, and I installed a low profile socket, so I didn't have to solder the new RTC module back in).
Has anyone replaced the RTC module in a COM-120B and had the monitor to continue to show an RTC failure?
Any suggestions?
John Rayfield, Jr.
I replaced the RTC module (got several from China) but the Self Test still shows the RTC failure.
Of course, it's possible that the RTC modules that I from China are defective.
Or it's possible that I damaged the circuit board while getting the old RTC module out (the board looks ok, though, and I installed a low profile socket, so I didn't have to solder the new RTC module back in).
Has anyone replaced the RTC module in a COM-120B and had the monitor to continue to show an RTC failure?
Any suggestions?
John Rayfield, Jr.