Question about Sony DELUXEPRO SDM-X73/B (Black) 17" LCD Monitor

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17" Sony SDM-S74 goes blank after 1 hour

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Here is my possibility.

Sorry to be the bearer of bad news but the fact is you have a very old monitor. My research tells me that it is almost 10 years old.

The obvious problem and the one most likely is that the power board inside the monitor is going. It is common in LCD monitors of this age. Do yourself a favor and junk it and replace is with a new larger better monitor. They are so much better these days and so much much cheaper.

You can get a 22 inch wide screen monitor on Walmart.com right now for $104.00 and pick it up at your local Walmart with free shipping. Not advocating Walmart necessarily just pointing out. Recycle your old monitor responsibly and pick up a new one. No matter how cheap it is it will be better than what you have now and your current monitor is not worth a technicians time.

If you don't have the money for a new one go to your local thrift shop and get a working 17 inch for $20. Good luck.

Walmart V7 22 LED Widescreen Monitor Black

Posted on Oct 04, 2014

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Posted on Jan 02, 2017

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SOURCE: Sony SDM-HS53 Monitor Goes Blank

I used to have the same problem until I discovered that the cables in the back of the monitor weren't securely connected. I have a very similar model monitor to the one being displayed here

Posted on Apr 03, 2007

  • 2 Answers

SOURCE: Monitor goes Black off and on .....

I had the same problem for about a week and solved it yesterday by downloading the latest driver by NVDIA who makes my video card (NVDIA GeForce 6200).
I had previously updated the latest Sony driver for the monitor. It did not solve the problem but could be part of the solution in conjunction with the new video card driver.

Posted on Mar 12, 2008

  • 1 Answer

SOURCE: LCD Monitor Goes Black during Use

I had the problem sometimes, but then I connected a second computer to the analog input and found out, that the screen didnt turn black but switches between the inputs on an on.

I found out that the "input" button seems to be short or damaged, as the behaviour was invertable by pressing the button. I blew into the button some times (a very naive solution, yeah) but it worked, the switching stoppped.

Posted on Apr 25, 2008

SOURCE: SCREEN GOES BLACK OFF AND ON .....

It's a common problem with sony hs75p
the problem is with the power board's transistor in the monitor

people might try some stuff and may get some results, but trust me it's all luck...

i had the same problem, so i gave my monitor for repairs as it was under warranty and the culprit was the power board (sony calls it the 'A' board). The only problem is u need to have patience as u are dealing with sony here >_>.... i mean, i got my monitor back, but after 2 tries and with many dead pixels and analog signal being greenish...well atleast the DVI port worked fine >.>, which they said wasn't their fault ( i was like...riiiight, so the dead pixels generated all by themselves, huh?..btw if u are wondering...before giving my monitor...they checked the monitor and it's written in the receipt that the monitor had no dead pixels).... so dont be surprised if ur monitor comes up with another problem, after giving ur monitor for repairs to sony >.>

in any case it's 'A' board problem

Posted on Jun 23, 2008

  • 732 Answers

SOURCE: Sony sdm-hs75p runs for 5 odd minutes then screen goes blank?

h_e_l_l_f_i_, Have you performed the flashlight test after the screen goes "BLANK" ?? No!! You will not find the "flashlight" test listed in the OWNERS manual!! The test is a quick evaluation of the STATE of the units "switch-mode-power-supply". Did you repair the power supply to get online to fixya? The more info you tell me about your LCD monitor the better I can assist you. Is the unit really "BLANK" or is it just "BLACK"?? Can you SEE the WIN-desktop when a bright "flashlight" is held 1" from the screen at different angles? If you can see a faint image being displayed it means the SMPS is in partial shutdown and still powering the VGA to LCD interface board. If unit is both BLACK and BLANK, then SMPS is likely in full shutdown mode! I will assume that when you stated "runs" for 5 minutes, that it would display normal text and graphics as usual and NOT be wearing a pair of NIKE's runners footwear? Yes! From your description it would lead me to think that your SONY has a SMPS/INVERTER problem. You failed to state the age and or approximate TOTAL "ON" hours the unit has. (hrs/day x 350days x Years since DOM). It makes a difference in whether I tell you to trade up to a wide screen or have it repaired(refurbished with new SMPS/INVERTER or just rehab the SMPS on your own. hellfi, surely, after reading this you WILL go to YOUTUBE, (just fyi) and view some of the longer video clips of "LCD monitor disassembly" and typical "LCD monitor repair"!! You WILL be impressed at how much you will learn about how "the black screen of death" is dealt with. If this response helps in any way, please rate it on fixya. 12fixlouie lmistyrel @ aim.com Get back to me if further assistance is required asap!!!

Posted on Nov 24, 2009

Testimonial: "Top stuff, pointed me the right way, very helpful, thanks for the fast response I will be sure to look into the areas and try the tips you mentioned"

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1 Answer

I have a sony sdm-hs75, power up then then the screen goes blank, power button is still green, with a bright light I can see the backgroud, caps look good, no cold solder joints. no hot spots on the borad.


try to perform selftest on the monitor..

  1. turn off the monitor
  2. unplug the video cable from the computer
  3. turn on the monitor wihtout the video cable connected to a computer
  4. you should see the information box on the screen (it indicates that there is no problem when you see the information box). Else, monitor backlight is dead.

Mar 18, 2010 | Sony SDM-HS75 17" LCD Monitor

1 Answer

Sony sdm-hs75p runs for 5 odd minutes then screen goes blank?


h_e_l_l_f_i_, Have you performed the flashlight test after the screen goes "BLANK" ?? No!! You will not find the "flashlight" test listed in the OWNERS manual!! The test is a quick evaluation of the STATE of the units "switch-mode-power-supply". Did you repair the power supply to get online to fixya? The more info you tell me about your LCD monitor the better I can assist you. Is the unit really "BLANK" or is it just "BLACK"?? Can you SEE the WIN-desktop when a bright "flashlight" is held 1" from the screen at different angles? If you can see a faint image being displayed it means the SMPS is in partial shutdown and still powering the VGA to LCD interface board. If unit is both BLACK and BLANK, then SMPS is likely in full shutdown mode! I will assume that when you stated "runs" for 5 minutes, that it would display normal text and graphics as usual and NOT be wearing a pair of NIKE's runners footwear? Yes! From your description it would lead me to think that your SONY has a SMPS/INVERTER problem. You failed to state the age and or approximate TOTAL "ON" hours the unit has. (hrs/day x 350days x Years since DOM). It makes a difference in whether I tell you to trade up to a wide screen or have it repaired(refurbished with new SMPS/INVERTER or just rehab the SMPS on your own. hellfi, surely, after reading this you WILL go to YOUTUBE, (just fyi) and view some of the longer video clips of "LCD monitor disassembly" and typical "LCD monitor repair"!! You WILL be impressed at how much you will learn about how "the black screen of death" is dealt with. If this response helps in any way, please rate it on fixya. 12fixlouie lmistyrel @ aim.com Get back to me if further assistance is required asap!!!

Nov 23, 2009 | Sony SDM-HS75P/S 17" LCD Monitor

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Monitor screens blanks a few seconds after I switch on computer


Took the cable connecting the monitor to the computer and reversed it, this seems to have worked!

Dec 21, 2008 | Sony SDM-S74 17" LCD Monitor

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Sony LCD HS73 LCD goes blank 2sec.


defective backlight inverter unit. Replace the inverter unit or chek if there is any dry joints inside the unit.

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Sony SDM HS75 Monitor


it is logic board problume nothing else

Jan 08, 2008 | Sony SDM-HS75 17" LCD Monitor

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Monitor goes Black off and on .....


I had the same problem for about a week and solved it yesterday by downloading the latest driver by NVDIA who makes my video card (NVDIA GeForce 6200).
I had previously updated the latest Sony driver for the monitor. It did not solve the problem but could be part of the solution in conjunction with the new video card driver.

Oct 31, 2007 | Sony SDM-HS75P/S 17" LCD Monitor

1 Answer

Monitor goes blank


Well, I do not think that there is an actual solution for that problem. I had that exact problem and I had to throw mine away. Turn it in to where you bought it and see if they can repair it. Otherwise they will have to replace it.

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