My Annke CCTV was working fine till I stupidly plugged a USB mini fan into it. The fan ran for about 10 minutes then stopped and now I have no power at all to the cctv.
I’ve taken board out and where the power goes in there is a large black square component. Can anyone tell me if its a fuse. The supply is 48volts. There is no continuity across this component.
Is this a good question?
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Hi @boness
TVS - This is a TBS - Transient-voltage-suppression diode
I see it is powered by an external power adaper.
Do you have a multimeter?
Measure and check on if the power adapter is giving the out correct voltages.
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Hi, thanks for your reply. I have checked the psu and it is working
take more pics , showing up the whole mainboard.
try removing the mainboard and check if there are any burnt components
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