Question about Mag Innovision LT782S 17" Flat Panel LCD Monitor

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MAG 700P monitor display goes black after 60 seconds

After display goes black monitor green power light remains ON. Power can be recycled and the display again stays on approximately 60 seconds. Replacing capacitors in power supply did not correct the problem. Monitor reacts the same when attached to two different computers.

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Hello,

Can you send pictures of the power board to me at tech@ccl-la.com I will check our service manuals for the model and get back with you about a solution.

Buddy
Corporate Computer

Posted on Jul 29, 2009

  • faber
    faber Oct 21, 2013

    probably the lcd lamp needs to be replaced

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My monitor (Mag Innovision 700p) is turning on and is showing whatever it would normally show for 2 seconds then short out to black. The green light is still on.


hello

i do believe the inverter part connected to the power supply may need attention (ie: it may require replacing the little PC board). it shorts out becuiase it has very little life remaining , perhaps one of the diodes is dead or a capacitor is hsorting out the current from it

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After display goes black monitor green power light remains ON. Power can be turned of and the display again stays on approximately 5 seconds. Replacing capacitors in power supply did not correct the...


The problem can be the lamps are bad, the only way to tell is to remove the lamps, look for poor soldering works where the wires are attached to the lamps, bad lamps will have very dark color at the end of the lamps, just like bad fluorescent lamp you see when it is worn out, anoher sign of bad lamp is pinkish glow when lamp si first turn on. The transistors and caps are good in the inverter section?

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Does a bad power supply look like this?


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