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Kipmans
 
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Default LG Studioworks 520Si monitor; doesn't power up after disconnected the deflection coils

Hello,

I have a bit of a problem with a LG Studioworks 520Si CRT monitor. I got
it today and powered it up, but with no computer or whatsoever attached.
Everything seemed to be working fine. The next thing I did (my reasons are
unimportant ;-)) was disconnecting the four wires which connect the 2
deflection coils to the big circuit board of the monitor. When I tried to
turn it on, the monitor began producing a sort of a 'beep' sound, which
repeats itself very quickly (until I pulled the plug :-)). Also, the LEDs
on the front except for the power LED are blinking in the same 'rhythm'. I
disconnected the power cable and plugged the 4 wires back in, but the
problem persists.

I took a look at the board, but I don't see any damaged parts. Has anyone
an idea on how I can solve this, or did I just destroy a good monitor
(hopefully not :-)).

Thanks in advance.