LED 4500 series
After connecting a computer to the TV, set the screen resolution for the TV on the computer. The
optimal resolution is 1366 x 768 @ 60 Hz. If it is set to any other than in the table below, the TV may
display nothing. Set the resolution properly, referring to the user guide of the computer or its graphic
card.
IBM
Resolution
Standard
frequency
Horizontal
Frequency
(KHz)
Vertical
Frequenzcy
(Hz)
Pixel Clock
Frequency
(MHz)
Sync Polarity
(H / V)
720 x 400 70Hz 31.469 70.087 28.322 -/+
MAC
Resolution
Standard
frequency
Horizontal
Frequency
(KHz)
Vertical
Frequenzcy
(Hz)
Pixel Clock
Frequency
(MHz)
Sync Polarity
(H / V)
640 x 480 67Hz 35.000 66.667 30.240 -/-
832 x 624 75Hz 49.726 74.551 57.284 -/-
VESA DMT
Resolution
Standard
frequency
Horizontal
Frequency
(KHz)
Vertical
Frequenzcy
(Hz)
Pixel Clock
Frequency
(MHz)
Sync Polarity
(H / V)
640 x 480 60Hz 31.469 59.940 25.175 -/-
640 x 480 72Hz 37.861 72.809 31.500 -/-
640 x 480 75Hz 37.500 75.000 31.500 -/-
800 x 600 60Hz 37.879 60.317 40.000 +/+
800 x 600 72Hz 48.077 72.188 50.000 +/+
800 x 600 75Hz 46.875 75.000 49.500 +/+
1024 x 768 60Hz 48.363 60.004 65.000 -/-
1024 x 768 70Hz 56.476 70.069 75.000 -/-
1024 x 768 75Hz 60.023 75.029 78.750 +/+
1280 x 720 60Hz 45.000 60.000 74.250 +/+
1366 x 768 60Hz 47.712 59.790 85.500 +/+