Having problems with your Computer Monitors ?

Comes on picture perfect and then reverts to standby. Responds to initial signals from computer then reverts to standby. Switch it on and off and picture re-appears but again reverts to standby.


Answers :

I have a Sceptre X9* as well, and I was able to fix it with a few capacitors (470uF -- 35V -- 105ºc)*. The capacitors were very visibly swollen on the top. Changed those out and works perfectly now.

The inverter capacitors in LCD monitors are the most common problem with the monitor turning off after a few seconds :)

*Note 1: I listed the capacitor I used, but verify the individual capacitors before you replace them.
*Note 2: The Sceptre X9 power power supply board will most likely have R88 and C65 removed; this is a factory modification that you will not need to worry about.
Decided to investigate this one further but could not locate any faulty components. However I noticed that the bottom pair of tubes were lighting briefly while the top pair stayed off.
All tubes tested fine and lit when connected to an old display panel that was lying around.
Time to get the iron out again.
I removed the suspect inverter transformer to discover a nice black and sooty mess beneath which must have produced a fine puff of smoke when it blew but this had gone completely unnoticed.
As these transformers are encased in plastic a visual inspection did not reveal the carnage below. It still managed to burn a hole in my finger when it got in the way so it was still producing a half decent voltage. Ah! the smell of burning flesh.
So problem solved and one retired LCD panel though I will be on the lookout for a separate inverter board before I lay it to rest in the bin.
Thanks to those who left comments and thanks to Fixya.
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