Hi all,
long time lurker, first time poster.
I am trying to diagnose and repair a security camera DVR box, this one labelled a Kepta 1116.
Problem:
- Short beep to signal its powering on
- Nothing follows for 1second(ish)
- Short beep to signal its powering on again
I was looking at the power supply side of the PCB, like there might be a short circuit which causes a reset, then repeat, but all the caps and diodes look good. I've removed caps C203 & 2C207, but that seemed to only change the tone of the beep.
Ideas on where I should probe next?