Question about Sony SDM HS93 19" LCD Monitor

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Sony SDM HS93 works fine, but: Monitor will not turn on with power button, if I plug in A/C cord power light goes on, monitor works. Sometimes the monitor comes on too bright, other times, too dim. Sometimes the monitor comes on with interference lines or different colored hues. I think this all stems from the soft controls themselves. What can I replace to make it work normally? Now no power but backlite is there can not power with the button at all.

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Most likely both problems above are due to dirt/smoke/crud on the keypads; in the case of power, plugging and unplugging is workable albeit obnoxious, and COULD shorten the life of the monitor. More than one button means it's probably time for a teardown and cleaning, which could take 2 hours, but almost certainly more than 1.

Posted on Feb 11, 2013

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I get same..controls not working ,,sometimes menu button works and one arrow button..button "ok" button doesnt work and up arrow...brightness not working.

i get black box in upper left corner...quite diffucult to get rid of.


G
iamthehipster@yahoo.com

Posted on Dec 27, 2008

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Monitor light up then shut down itself


1. Verify the monitor's power cord is plugged firmly into the wall outlet and the back of the monitor.
2. Verify the monitor cable is firmly connected to the computer and the monitor.
3. Verify that you have turned the monitor power switch on.
4. If the power light on the monitor is not on, test the wall outlet (plug in a light or something you know works).
5. If the power light on the monitor is not on, try a different power cord.
6. If the power light is on and yellow or flashing, but nothing displays, or the display is incorrect, borrow a monitor from a friend. If that works, your monitor probably needs replaced.

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One thing I know for sure on this model HS73/HS93 is that the backlight assemblies failed due to poor soldering works. This may the problem with your monitor.
http://s807.photobucket.com/albums/yy352/budm/Sony%20SDM-HS73/

http://s807.photobucket.com/albums/yy352/budm/Sony%20SDM-HS93/

It is very time consuming repair works that I doubt very much if repair shop will do the work.

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I f you see the message on the screen indicating 'NO INPUR SIGNAL', you need to check the VGA cable and both ends of the connectors also. Try this monitor with other PC also.

This SDM-HS73/93 have common problem: bad backlight assemblies due to poor workmanship in sodlering works, see my pictures below. You should also inspect the caps. This is not recommend for DIY.

http://s807.photobucket.com/albums/yy352/budm/Sony%20SDM-HS93/

http://s807.photobucket.com/albums/yy352/budm/Sony%20SDM-HS73/

http://s807.photobucket.com/albums/yy352/budm/Sony%20SDM-HS73/

Apr 18, 2010 | Sony SDM HS93 19" LCD Monitor

1 Answer

Sony hs93 screen doesn't come on unless I hit the power button a couple times, then, sometimes display is wrong dimensions , so I hit power button again, straightens up. also, sometimes it comes on with...


First, check for properly connected cables. Disconnect and then re-connect to ensure quality signal path. Use a known-good cable to test. If no joy, turn off computer and remove video card, then re-install it. Sometimes, after long periods, the contacts on the card can become oxidized and have intermittent contact. This will also give you the chance to check for large amounts of dust settling on the components--dust, combined with humidity in the air, can play havoc on computer cards. If still no joy, then the processor board in the monitor might well be defective. Power, signal/resolution decoding is all handled by IC chips. I like to start simple and move to more complicated(i.e. expensive) problems.How old is the monitor? If under warranty, replace it. If not, a repair facility or replacement is your next move.---Rick

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