Horizontal
Scan Lines,
Rolling Up
or Down
Negative,
scrambled,
or faded
image
Ground
Looping on
video cable
Low voltage
Check the coax cable
shield is not touching
“ground”, e.g. at the
couplings.
An electrically
isolated circuit board
or isolation
transformer may be
required.
Check voltage at
input power cable.
Must be >10.5VDC or
>12VAC.
Video leads reversed
connection.
