Question about Sony SDM-HS73P 17" LCD Monitor

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Blinking screen on Sony SDM-HS73 17

So, lately my monitor has been blinking uncontrollably. The problem started about 6 months ago, and about after 10 minutes of blinking the monitor would finally work. Now, over the past week it continues to blink and I am unable to use my computer. I took the back cover off to look at the board, and it appears a few of the capacitors may have burnt out. C1, C23, and C25 appear burnt (black, brown in color) and the rest are all blue. I'm assuming this is the problem? If so, are they easily replaced? Where can I find them? I'd prefer not to order them online, I'd rather find them at a local store if possible. If I do replace them, is it as easy as pulling the bad ones out and sticking the new ones in? Or is there something special that needs to be done. Thoughts and/or suggestions would be appreciated. Thanks in advance....

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  • Deuce4off Oct 27, 2012

    I said they were burnt capacitors, that may not be the exact term for them. I did a quick search on Google and it said something about capacitors, so that's what I called them. Either way, they definitely are located at C1, C23, and C25.

  • Deuce4off Nov 03, 2012

    Someone want to give me an answer or is this forum worthless?

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6 Suggested Answers

6ya6ya
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SOURCE: Dead KDf 60xbr950; 6 blinking red lights. I spent hours on research & would like 2nd opinions, please.

Not the board, there is a thermal fuse under the lamp housing that has opened up, you need to order an upgrade thermal fuse link that will mount to the Lightengine side of the lamp housing, the clips are there, there is no sensor there.

Posted on Jul 17, 2007

MikeNJ1964
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SOURCE: Sony Trinitron KV-32S40 32" TV problem

This is a simple and common problem. The solder joints on the vertical output IC have cracked loose. I actually did a housecall on the exact same set with the exact same symptoms this morning! A good tech will resolder the pins of the vertical output IC and all other major solder joints on the main board and the set will play fine.

Posted on Sep 30, 2007

MikeMaierTV
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SOURCE: KP-53HS10 Red blinking light/screen turns on and off

When a Sony does what you explain it usually only needs it's screen controls adjusted. This would be the first thing before replacing parts or any other trouble shooting, To do this you have to remove the speaker grill, there usually are two screws down low that are covered by plastic covers, once these are out the bottom pulls forward and slightly down. Then there will be another cover, remove that. Now you should see the inside of the TV. Near the front there will be a control ruffly the size of a pack of cigarettes and have six controls on it, Three are for focus and three for screens, Next find a video source that has no input, this simply means change to a input that has no signal, and gives you a black screen. Next simply turn the screens clockwise till a faint glow and retrace lines appear, then turn it back down till the color just disappears. Do this to all three, then you can re-glue them with fingernail polish if you want to.
Thats the simple way to set the levels on the CRT's, Sony's have a circuit that mutes the video until all the voltages are within a certain range, if the voltages are too far off it will give you the five blink error code, now if does not fix the problem there are other problems, This can be any thing from a weak CRT to a capacitor failing. And on a final note it is best to let the set run for at least 20 minute before doing this adjustment to let the voltages stabilize, and it is best to check it after another twenty minute to make sure it stayed

Posted on Mar 03, 2008

AvioriX
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SOURCE: Sony Grand WEGA KDF-60XBR950 60 3 RED BLINKING LIGHTS

It seems there is power supply related issue like overheating, I suggest you to try again after keep the TV unplugged about 30 minutes.

Posted on Jul 01, 2008

welcomejee
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SOURCE: SONY KDF-E55A20 5 red blinking lights on power button

Hi,
Symptom shows Lamp is weak in result and causing restart of TV again and again. Your TV requires new lamp as per following part number...
A1085447A* LAMP BLOCK ASSY XL-2200U
It is available in Sony Accessories Store for $200 and replacement procedure is written in instruction manual of TV.

Always buy Sony original lamp for TV and avoid aftermarket / cheap lamp for TV safety.

Posted on May 18, 2009

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