JYE Tech Forum

I was using a 9V battery to power my board for a while. All of a sudden the screen was going white a few seconds after booting. I measured the battery and it was under 8V. I replaced the battery with an adjustable power supply. I set it at 7.5V since at that setting it actually measured 9V output. W...

U2 was not installed correctly. I never would have checked for that as the board had U2 pre-soldered. New board received with U2 in proper orientation. I figured I'd give it a try to desolder U2 on the old board and reorient it. I'll be honest I may have damaged U2 as it did not go anywhere as easy ...

Problem seems very similar to: https://jyetech.com/forum/viewtopic.php?f=18&t=632 JP4 has not been shorted. My voltages are almost identical with L3 connected. Theirs: TP22: 0.99V, AV-: 0.59V, AV+: 1.29V, +3.3: 0.23V, +5: 1.78V, V1: 0.51, V2: 0.61, V3: 1.18, V4: 0.55 Mine: TP22: 1.00V, AV-: 0.64...