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Topic Title: my monitor randomly turns off
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Created On: 10/17/2006 05:51 PM
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 10/17/2006 05:51 PM
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Zurn
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Joined: 10/17/2006

NE 1 no how to fix it? its really annoying
 10/18/2006 01:33 AM
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marms
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You could use tape to hold the button in the on position.
 10/18/2006 05:03 AM
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jack1314
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probably overheating...Disconnect from power and remove casing. Very carefully clean out the dust etc...this may help. It worked for me.

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 10/18/2006 07:13 AM
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marms
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quote:

Originally posted by: jack1314
probably overheating...Disconnect from power and remove casing. Very carefully clean out the dust etc...this may help. It worked for me.



If it's a crt monitor the capacitors in it can store enough charge to kill a person, even long after the power's been turned off.
 10/18/2006 12:55 PM
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Xtreeme
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ya, that true which is why you dont TOUCH the caps. Lol seriously how hard is it to remove the shell blow it out with air and NOT touch the circuits. Not hard at all. But it is good to warn folks of the dangers. Just tell them dont touch the stuff inside. Easy peasy.
 10/18/2006 03:55 PM
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MD - Moderator
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Even if you discharge the HV capacitors, the CRT still needs to be discharged too as it too is a capacitor.

Aquadag is a type of conductive paint made of a graphite pigment. It is painted onto the inside and outside of picture tubes to form the 2 plates of a high voltage filter capacitor using the glass in between as dielectric.

When working on a CRT leave the CRT shorted, because of a phenomena called "dielectric adsorption" or "soakage" the glass dielectric, can store a charge deep in the glass itself. The result is the voltage can spring back when not expected.

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