PC (D-SUB) No Screen
4
5
Does proper +5V at FT602?
Does proper 5V appear at Pin 5,6,7
and 8 of IC5709 ?
Check power board.
*Refer to 1.no power
(previous page)
NO
YES
Check LED on
after pushing the power button.
NO
Check cable connection.
YES
Connect D-SUB cable
NO
Does the picture appear at Pin 8 (H-sync)
10 (V-sync) of IC104
YES
IC104 defect change main board.
NO
Does the picture appear at Pin 1 (H-sync)
8 (V-sync) of IC105
YES
IC105 defect change main board.
NO
Panel defect.
Replace LCD Panel.
YES
4
5
4
5
Trouble Shooting
Trouble Shooting
CN101
C6500
IC104
IC106
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