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640x480 @ 75
800x600 @ 75
1024x768 @ 75
1280x1024@60
1280x1024@75
640x480 @ 60
720x400 @ 70
800x600 @ 60
20"
640x480 @ 75
800x600 @ 75
Trouble shooting
Before servicing please check to find the possible causes of the troubles according to the
table below.
1.Antenna:
Picture is out of focus or jumping
Fringe in picture
Picture is interfered by stripe
shaped bright spots
There appear streaks or light color
on the screen
31.500
37.500
49.500
46.875
78.750
60.023
108
63.981
135
79.976
25.175
31.469
28.322
31.469
40.000
37.879
31.500
37.500
49.500
46.875
Bad status in signal receiving
Maybe broadcast signal itself is not good
Check if the outdoor antenna is disconnected.
Check if the antenna is correctly oriented.
Check if the antenna is correctly oriented.
Maybe there is electric wave reflected from hilltop or building.
Possibly due to interference from automobile, train, high
voltage transmission line, neon lamp etc.
Maybe there is interference between antenna and power
supply line. Please try to separate them in a longer distance.
Check if interfered by other equipment and if interfered
possibly by the equipment like transmitting antenna, non
professional radio station and cellular phone.
7
75.000
75.000
75.029
60.2
75.025
59.900
70.086
60.317
CMOscreen
75.000
nonsupport
CMOscreen
75.000
nonsupport
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