Sup021yadr_p116_pwrv03

[pwloch]

The SUP 021YADR - Panel Power P116_PWRV03 - Triac firing BTA204-800B replaced the BTA204 AT-800 E, but the display still flashes and do not see anything, what may be the cause - Help

 

[hmilbradt]

Hi,

Why did you replace the Triac on the power board ?
I don't see a connection with the flashing display.
Test the power supply. Does it provide stable 5 VDC and 3,3 VDC.
The display controller ... SSD1905 .... needs 3,3 VDC.

regards
Harry