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

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Sony SDM-HX73 LCD Monitor

Screen goes black after a couple seconds... This Monitor was ok for a couple years, before this.
Power Supply...?????

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  • hurtleyc Nov 12, 2008

    Re-Booting Power Supply/Monitor is not a Answer.....Not a Solution

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If the problem is not the power supply and if you can connect your computer with other monitor, try these options in order to see if the problem is the monitor or the adapter

1 - Control Panel--> display --> Double click--> properties--> settings--> advanced--> adapter--> this will check if the problem is with the video card
2 - If you can, check also the directx settings--> Start--> run--> dxdiag--> OK--> Display

If all the above options are OK.... then then the monitor is done

Posted on Nov 12, 2008

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HI

did you see the standby light? i have standby light you need to oscillate the power switch! or else you have defective power oscillation... please dont rate me if you are not satisfied..


Thanks!

Posted on Nov 12, 2008

  • amin dianalan
    amin dianalan Nov 12, 2008

    Have you tried with other monitor?If just the same with other monitor;

    1. right click then go to properties

    2. go to screen saver

    3. select power

    4. check the settings for desk power schem

    5. set the time of "turn off monitor" "turn off harsd disk (set to NEVER)" "system standby (set to NEVER)

    Thank you... please don't rate me if you are not satisfied...

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Hi,

Based on the age, it is possible that the monitor has some components faulty or near end of life. Although the power supply would be one of the suspects, the best is to open the unit for a look & see. This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

Foremost to consider checking would be power devices, regulators, capacitors and even the solder joint/connections.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

Posted on Nov 12, 2008

  • Louie  Role
    Louie Role Nov 15, 2008

    Hi again,

    Any development(s) so far?


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This monitor already needs some part replacement so it will be better for you to take it to a repair center so they can repair it to avoid further problem.....

Posted on Nov 12, 2008

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Are you planning on trying to repair this yourself? You can get an estimate from a sony authorized repair center or locate a local repair store. I can assist you further once I have more information. You may also want to consider replacing the monitor for a new one as 17" have come down in price.
Thanks,
Lee

Posted on Nov 12, 2008

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You need to check power supply ?


Posted on Nov 10, 2008

  • SAM ANDERSON Nov 10, 2008

    Turn off monitor for 30 minutes and once again turn on .

    Mostly this will solve your problem temporarily .

    Also gently tap on monitor so that if there is any loose connection it gets rectified .


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Take a flashlight and shine it on the screen once it has gone to black. If you are able to see the screen information (your desktop) then you have a back light problem.

The fact that the bulbs come on at first and then go dark tells me that it is probably not the bulbs themselves and the fact that your power led stays on tells me that it is probably not the power supply either.

The most likely cause is the power inverter board which is usually a separate board attached to the video mother board and it powers the back light bulbs.

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Truthfully, my solution for you would be to replace the monitor. It will probably cost you more to have someone work on the monitor and fix it than it is worth. You can find 17 inch flat panels on eBay or CraigsList for cheap these days and I just saw a brand new Acer 22" with a 3 year warranty on CompUsa.com the other day for $150.00.

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