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Horizontal
Scan
Lines,
Rolling Up
or Down
Negative,
scrambled,
or faded
image
Ground
Looping on
video cable
Low voltage
18
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.
Check Video
connection leads are
not reversed.
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