Question about LG Flatron F700P 17" CRT Monitor
I know that my post is very belated, but I think, will be helpfull for someone henceforth...
First of all, there is one "chronic" problem with LG monitors: solders. Check soldering of Video Amplifier IC303, Flyback Transformer, Q833( ! 210V) , deflection coils socket, Vertical IC601, XTAL X401 and so on...
In Your case, probably the cause of "green, amber, amber" lights is lack of 15V on the Verical Amplifier IC601. DPMS is activated, and monitor does not work at all, even power off.
Replacing Q912 (2SA1273) solve the problem. I replaced him with 2SA1680 PNP 1A 900mW 60V, and all is OK.
This problem is fundamental for ALL 17'' Flatron monitors, repaired by me (over 30).
Wish Happy Repairing!
Best regards, Ico.
Posted on Jan 12, 2008
Check your vga data cable is properly conected or not and also chek the keybord status by pressing the nuk lock key see the led is on an and off when you pressing the num lock key if it is not changing there is problem in cpu. bye
Posted on Sep 25, 2007
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