Having problems with your Samsung SyncMaster 740N 17" LCD Monitor ?

Monitor turns off after 10-15 minutes despite power adjustment on computer being set to "never".


Answers :

Jslusby, If you move this Samsung740N to a KNOWN GOOD pc fully booted up to the WIN-desktop, will it do the same thing even though you keep moving the mouse every minute or so? Can you prove that your pc is OK by swapping in a KNOWN GOOD monitor? Have you done the Flashlight test that every LCD monitor owner should know how to do when faced with the dreaded "BLACK SCREEN" symptom? Have you viewed any of the longer (8-12min.) video clips on YOUTUBE of "LCD monitor disassembly" and also "LCD repair" . You may also need to visit www.ccl-la.com/badcaps.htm for some info and see pic's of bad caps at www.badcaps.net . After you get to KNOW your monitor and what the top 2 causes of "BLACK SCREEN" are, you then stop in at your local computer store and ask them to demonstrate the LCD flashlight test on a monitor. If the Tech says "what's that" with a quizzical look on his or her face, then get out of there really fast and try someone else. Well, anyway, after you get some information and you still don't know what to do with your monitor, get back here and make a "comment" to your original posting, and I will offer up some options that you might want to look into doing with your monitor. Bye for now. I'm louie12fix on fixya or lmistyrel @ aol.com
Hello
\015\012I am a technician-informatic. I have repaired about 80 Lcd Samsung monitors with theese problems. I offer the repair manual.
Manual has been done with the experience of the repairing Samsung Lcd monitors. Manual was made by me and shows how to open monitor, how
\015\012to solve dark screen problem, how to check and replace capacitors, how to solve the problem non-optimal mode (without reprogramming MCU or
\015\012changing the main board) photo are included. 100% functional. The repair process is very simple 30-40min. (does not need a lot of
\015\012experience in electronics and expensive instruments) and is not expensive. With this manual you can solve problems by yourself and save
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"Not Optimum Mode 1280x1024 60Hz"
- The monitor turns on but turns off by itself, the LED blinks green.
- If you detach from the PC points to "control cable" the picture runs continuously in the vertical direction or presents while line , and
\015\012as soon as it is reconnected, the monitor goes off.
- The monitor does not turns on and dont dispaly anything, the LED blinks green-lit, if you detach from pc points to "control cable".
- The monitor turns on, works well some time, but after a window apiers "Not optimum mode. Mode recommended 1280X1024 60Hz"
- The monitor turns on, works well only with low resolution 800x600, when try to change a window that reads "Not optimum mode. Mode
\015\012recommended 1280X1024 60Hz"
\015\012
\015\012the manual you can find on ebay (my ebay name is asnerejas123):
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Repair Help & Product Troubleshooting for Samsung SyncMaster 740N 17" LCD Monitor

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Jslusby, If you move this Samsung740N to a KNOWN GOOD pc fully booted up to the WIN-desktop, will it do the same thing even though you keep moving the mouse every minute or so? Can you prove that your pc is OK by swapping in a KNOWN GOOD monitor? Hav ... Samsung SyncMaster 740N 17" LCD Monitor

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