Horizontal Scan Lines, Rolling Up or Down
Negative,
scrambled, or faded image
Ground Loop on video cable
Low voltage
monitor. Check the video signal. If okay, the problem is with the interconnections.
If still no video, contact Bosch Service Center. See rear page of this manual for contact information.
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 >12VDC/VAC. Video leads reversed connection.
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