PC (Digital) No Screen
7
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 DVI cable
NO
Does the picture appear at R146(DVI_SCL)
R147(DVI_SDA) R148(CHK_DVI)?
YES
IC104 defect change main board.
NO
YES
IC105 defect change main board.
NO
Panel defect.
Replace LCD Panel.
YES
Does the picture appear at R4091(DVI_SCL)
R4092(DVI_SDA) R4043(CHK_DVI)?
7
7
Trouble Shooting
Trouble Shooting
CN102
R146,147,148
IC101