Re: LG Studioworks 520Si monitor; doesn't power up after disconnected the deflection coils
- From: maarten@xxxxxxxxxxxxxxxxxxx
- Date: Tue, 30 Aug 2005 22:31:51 +0200
Kipmans <kipmans@xxxxxxxxxxxxxxx> wrote:
> 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 :-)).
You probably blew the horizontal output transistor, possibly some
related parts along with it. Never randomly pull connectors unless you
want to sabotage the equipment.
Met vriendelijke groet,
Maarten Bakker.
.
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