Dear,
I have a problem in a CCTV system when some electric shock or electromagnetic effect had damaged 3 cameras and 3 inputs of a DVR. The three cameras are connected to the DVR via UTP cable with video baluns.
The cameras have several burnt components in the board so I will replace the boards.
The DVR have the 3 port's 75 Ohm resistors burnt out but also another paralleled component with these 3 resistors named as S as the resistor is named as R and capacitor as C...etc... so what is the "S" component? some suppression component? with what should I replace it?
The attached image clarify the components.
Regards,
Hazim
I have a problem in a CCTV system when some electric shock or electromagnetic effect had damaged 3 cameras and 3 inputs of a DVR. The three cameras are connected to the DVR via UTP cable with video baluns.
The cameras have several burnt components in the board so I will replace the boards.
The DVR have the 3 port's 75 Ohm resistors burnt out but also another paralleled component with these 3 resistors named as S as the resistor is named as R and capacitor as C...etc... so what is the "S" component? some suppression component? with what should I replace it?
The attached image clarify the components.
Regards,
Hazim
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