Question about Gateway FPD2185W 21 in. LCD Television
Thanks for your input regarding the capacitors in my Gateway LCD monitor.
I replaced all the caps in mine and it has been working great; however it blacked out again this morning. I cycled the power cord and it came right back on though.
Any guesses on what might be next to replace?
I looked at all the transistors while I was in there and they didn't have any visual damage. Neither did the capacitors, but the new ones certainly did something to help. It doesn't go off within seconds like it did before.
A few of the transistors on the component-side of the board had their numbers sanded off, so I have no idea how to go about replacing them.
Rumor has it that getting a schematic is impossible.
I have a transistor tester somewhere (need to dig it out of my old CB repair equipment). But unfortunately, I'll have to remove them to properly test.
That in itself could be problematic if I happen to mess one up during the removal.
Do you have any other technical information on this monitor?
When you say that you replaced "all the capacitors" what are
you referring to? There are 8 identical capacitors in the corner
of the Power Supply/Inverter board that go bad, but there are
also 3 capacitors in the corner of the Main board nearest the
connector that goes to the power supply that can also go bad.
These are associated with the part "U15" nearby, which is the
3.3 Volt voltage regulator for the main board. If these caps go
bad, this regulator can fail to operate, and you will get no display.
Posted on Feb 13, 2009
That problem might be a good solder joint in one of the capacitors you replace. old fashioned test.... when it blacks out again.... tap the back of the monitor... no not hard and see if that revives it. if so there's your problem... you need to take it apart and resolder those spots.
Posted on Oct 02, 2008
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