Question about Sony SDM-HS74P 17" LCD Monitor

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

After turning on monitor goes black but if i look real hard i can see desktopp icons normal just faded black,, Tried changing monitor bright and contrast no change, used differant cpu,, changed to 60 70 72 75 hz,, downloaded proper driver but also works as plug and play,, tried advanced settings,, cord issues,, bios,, powersaving mode off,,restarting to detect monitor,, changed resolution to all settings and applied,, Now at a loss for solutions thanks dave

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  • Anonymous Nov 10, 2008

    I dunno, sony tech support sucks....

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Most likely you inverterboard went bad on the monitor.

Posted on Nov 11, 2007

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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

2 Answers

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

1 Answer

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


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

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

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