Question about Sony SDM-HX73 17" Flat Panel LCD Monitor

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Is it possible to change the electrical fuse ? since this morning the monitor does nor light when i switch on and i presume a fuse has failed

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  • timeformjohn May 11, 2010

    Unlikely to be the fuse as your pc still works more likely a monitor problem or graphics card.


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If you mean the fuse in the actually plug then this is easy. Just unplug from the power supply and remove the screws that hold the plug together. You will see the fuse immedatly, Just use a pencil to lift it out and replace it with a new one. As this is a monitor the fuse is probably a 13 amp but it will say so on the fuse. Make sure you have a spare.

Posted on Aug 02, 2009

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Yes its possible to change the fuse there is a oblong shaped bit underthe plug pull out with a screwdriver and replace fuse.It's the orange bit in this image of a plug a small flat screwdriver is what you use ..but it may be a monitor fault as they don't last forever.

Posted on Aug 02, 2009

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1 Answer

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Feb 25, 2010 | Computers & Internet

1 Answer

Monitor comes on for 1 second and then goes black (no Picture) presume it is a broken trace on the main board. This is the 2nd monitor that has the same issue. 2 sepetate brands Dell and Viewsonic.

bburgert, Hi, 12fixlouie here. Possible problem with "switch-mode-power-supply" or the "cold-cathode-fluorescent-lamp" power supply that is called the "inverter circuit" which lights-up the CCFL lamps. use warranty service if possible. Yes, it could be a broken trace, but more likely a "cold" solder joint or possible bad (failed) capacitors on SMPS board. You or electronics technician will need to visually inspect SMPS/inverter for top 2 causes of BLACK or BLACK and BLANK LCD monitor failures. Read more of my responses in my fixya profile and see if they will help you make decision on what to do. A trip to YOUTUBE will also help if you need to see what is inside a typical CCFL backlit LCD monitor!!! Also try that is run by another fixya tech nickname of buddymc. Lots of good info already on web about YOUR monitor symptom. Some are repaired quite easily by owners who are handy with soldering pencil and solder and some basic hand tools of electronic nature. Good luck on the repair. If this was of some use, then rate it on fixya. Bye for now.

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I have to heat up my CRT

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