Question about Samsung SyncMaster 753S 17" CRT Monitor

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Popping control lock

Control lock pops up after evry 15 secs. i tried holding menu button for 10-20 secs it goes of temporarily for few seconds but again keeps locking n unlocking. i found a solution of replacing the regulator but is there any other solution.also pls tell me more about the regulator.

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  • 65 Answers

1. Remove Zener Diode at Front pannle (Near Menu switch)
2. Remove Diode at beside of power LED It's going to Front pannle.

Posted on Nov 27, 2008

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Blue lock pops up. can not use menu buttons. screen is too bright.


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The lock that pops up is called OSD Lock, with this there are no adjustment can be made by a user and only menu button will work. For you to disable it, just press the menu button for about 15 - 20 secs.

To know more about the controls of your monitor please click on the link.

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Helpme please


Resetting the TV
If the buttons on the remote AND the buttons on the TV case do not work (channels do not change and you cannot open or navigate the menu), the TV has stopped responding. Reset the TV as follows:

NOTE:
Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.

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1. Unplug the TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
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Aug 25, 2008 | Philips 150S4FB 15" LCD Monitor

1 Answer

Control lock


Temporarily you can -- hold down, while monitor is on and the menu button for 10 seconds (source Samsung faq). This hould unlock the buttons.

This problem is due to abad 7805 regulator ic ora memmory ic
To completely stop this you will have to replace the 5 v regulator


Jun 09, 2008 | SAMTRON 55V 15" CRT Monitor

1 Answer

OSD lock


All buttons can be locked or unlocked when the 'Menu' button is pushed and held for over 15 seconds.

May 12, 2008 | Dell E152FP 15" Flat Panel LCD Monitor

24 Answers

Osd main controls locked/unlocked pops up every 5 seconds


Hi,

Press the Menu button ( marked OK) for one minute, or more, and a blue/red menu list should appear on screen.

Using the adjust button (immediately to the left of the OK button) by pressing the arrows at each end up or down as required you can enter the menu and select an action by scrolling.

At the end of the list of possible adjustments on the left of the screen (brightness, contrast, etc) is the Reset section.

On the righthand side of the screen is a flashing Yes No choice which automatically alternates.

The trick is to select the Reset choice on the left and while selected press the OK button when the Yes alternative on the right of the screen is flashing.

You VDU should then Reset and all will be well.

Mar 26, 2008 | Philips 190B6CB/27 19" LCD

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Problem on hp monitor


I know you said there were others that had the same problem with the Main Menu coming up and I thought I would tell you what I did to fix the problem.

1. I shut down the PC.
2. I removed the power cable and video cable from the back of the monitor.
3. I removed the four screws that hold the stand for the monitor and slid the stand off.
4. I then removed the 5 screws that hold the back cover on the monitor.
5. I took two flat blade screw drivers and carefully removed the back cover.

At the bottom of the monitor case, there is a small circuit board the holds the 6 switches for controlling the display.

6. I located the button that calls up the Main Menu. It is the second switch from the left as you are looking at the monitor from the rear.
7. I used a small solder iron and heated up the four prongs in sequence while holding the switch with a pair of needle nose pliers. I had to rotate this process from one prong to the other while all the time applying slight pulling pressure on the switch pulling it away from the circuit board.
8. Once the switch was removed, I put the cover back on and tightened up the five screws.
9. Then I slid the base back in the slot it came from and tightened the four screws.
10. I connected the video and power cable and turned on the PC.

With the switch removed the Main Menu never popped up again and I am so very happy.

Oct 12, 2007 | HP Pavilion F1523 15" LCD Monitor

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