Question about Sony SDM-HS74P/S 17" LCD Monitor

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Sony SDM-HS74P/S 17 Monitor won't stay on the right picture.

Hello, when My computer is turned on, I turn my monitor on, and the screen is there, but it only stays for about 2 seconds. Then it goes black. I've also played with the input buttons, and can bring the picture back, but then again, it doesn't stay. I've tried restarting the computer, turning the monitor off for a long time, unplugging the monitor from the computer, and from power, and then retrying. Is there a valid reset button on this monitor, or is there anything else I can do to keep the picture?

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This is a duplicate post, click the following link to read the active posting: http://www.fixya.com/support/t138012-sony_sdm_hs74p_s_17_monitor_stay_right

Posted on Mar 16, 2007

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SOURCE: Sony SDM-HS74P/S 17 - Monitor won't stay on the right picture

When the screen turns black again take a flashlight and shine it in the bottom left hand corner where the Windows Start button is located. If you can see a faint image then your back light is failing. If that?s not the case the next step would be to attach another monitor to your computer to see if the problem disappears. If it does that points to the monitor, if it doesn?t then we need to take a look at the computer itself. Let us know what you find out and please don?t forget to rate this posting.

Posted on Mar 16, 2007

  • 1 Answer

SOURCE: My Sony SDM-HS74P display does not stay on.

I have the same issue and wrote the monitor off for now after checking all cables (and a different computer). The logic circuitry and panel are sill ok as I can see a faint image with proper lighting and close inspection, but no backlight makes it useless.

Since there are 4 lamps (CCFLs) on this model, the problem likely is not there but on the inverter circuitry driving them. This does not look easy to replace as this is part of a bigger board.

It looks like some could repair by changing a few (or even one) component on the board, but unless your are used to this (de-soldering and soldering back), you are kind of stuck.

I will attempt this if I have time as I hate junking 99.9% ok hardware. In your case since this is an old monitor you should just replace it if not technically (on the electronics side) apt.

Posted on Jan 04, 2010

budmrtn
  • 11361 Answers

SOURCE: I have an sdm hs74p monitor that repeatedly blacks

You may not have problem with the caps, but check them out any way. You should get good caps such as PANASONIC FM or FC series from DIGIKEY.COM
http://s807.photobucket.com/albums/yy352/budm/Sony%20SDM-HS73/

Posted on Apr 04, 2010

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1 Answer

My Sony SDM-HS74P display does not stay on.


I have the same issue and wrote the monitor off for now after checking all cables (and a different computer). The logic circuitry and panel are sill ok as I can see a faint image with proper lighting and close inspection, but no backlight makes it useless.

Since there are 4 lamps (CCFLs) on this model, the problem likely is not there but on the inverter circuitry driving them. This does not look easy to replace as this is part of a bigger board.

It looks like some could repair by changing a few (or even one) component on the board, but unless your are used to this (de-soldering and soldering back), you are kind of stuck.

I will attempt this if I have time as I hate junking 99.9% ok hardware. In your case since this is an old monitor you should just replace it if not technically (on the electronics side) apt.

Dec 13, 2009 | Sony SDM-HS74P/S 17" LCD Monitor

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Sony SDM HS74P Screen Stays on for approx 15 seconds then shuts off but power light is still on?


PWI17LS285A, ACTUALLY THE CAPACITORS DOES NOT KEEP ENOUGH CHARGE TO KEEP THE LCD WORK...

so the big capicitor needs to replaced? 100µF 450V

Jul 07, 2008 | Sony SDM-HS74P/S 17" LCD Monitor

2 Answers

MY SONY SDM-HS74P


You open the inverter unit and check any dry soldering is there. Some times dry joints inside the inverter unit cause this type of problems.

Apr 06, 2008 | Sony SDM-HS74P/S 17" LCD Monitor

4 Answers

Sony SDM-HS74P/S 17 - Monitor won't stay on the right picture


When the screen turns black again take a flashlight and shine it in the bottom left hand corner where the Windows Start button is located. If you can see a faint image then your back light is failing. If that?s not the case the next step would be to attach another monitor to your computer to see if the problem disappears. If it does that points to the monitor, if it doesn?t then we need to take a look at the computer itself. Let us know what you find out and please don?t forget to rate this posting.

Mar 16, 2007 | Sony SDM-HS74P/S 17" LCD Monitor

1 Answer

My monitor says "input ......" and then the screen flashes off.


This is a duplicate post, click the following link to read the active posting: http://www.fixya.com/support/t138012-sony_sdm_hs74p_s_17_monitor_stay_right

Mar 16, 2007 | Sony SDM-HS74P/S 17" LCD Monitor

1 Answer

Sony SDM-HS74P 17" Monitor goes black after turning on


Most likely you inverterboard went bad on the monitor.

Nov 04, 2006 | Sony SDM-HS74P 17" LCD Monitor

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