7
640x480 @ 75
31.500
37.500
75.000
800x600 @ 75
49.500
46.875
75.000
1024x768 @ 75
78.750
60.023
75.029
1280x1024@60 108
63.981
60.2
1280x1024@75 135
79.976
75.025
640x480 @ 60
25.175
31.469
59.900
720x400 @ 70
28.322
31.469
70.086
800x600 @ 60
40.000
37.879
60.317
640x480 @ 75
31.500
37.500
75.000
CMOscreen
nonsupport
20”
800x600 @ 75
49.500
46.875
75.000
CMOscreen
nonsupport
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
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.
Fringe in picture
Check if the antenna is correctly oriented.
Maybe there is electric wave reflected from hilltop or building.
Picture is interfered by stripe
shaped bright spots
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.
There appear streaks or light color
on the screen
Check if interfered by other equipment and if interfered
possibly by the equipment like transmitting antenna, non
professional radio station and cellular phone.
Summary of Contents for LC17H3S
Page 1: ...LCD TV LC17H3S LC20H3S LC15H3S...
Page 13: ...BLOCK DIAGRAM 12...
Page 15: ......
Page 16: ......
Page 18: ......
Page 19: ......
Page 20: ......
Page 22: ...V R L R Audio L S video HIGH VOLTAGE HIGH VOLTAGE MSP3420G...
Page 26: ...LC15H3S 01...
Page 27: ...LC15H3S 02...
Page 28: ...LC15H3S 03...
Page 29: ...LC17H3S...
Page 30: ...LC20H3S 01...
Page 31: ...LC20H3S 02...
