Question about SAMTRON 55V 15" CRT Monitor

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I am unable to get rid of the problem control locked for my monitor samsung 56v. I tried the remedies mentioned in various websites by pressing the menu button 15-20 secs, holding down the menu and exit button at a time, holding the - and + button for 15 secs. i could not get rid of the problem. Please suggest me what i have to do for the control lock issue? email:krish_varam@yahoo.co.in

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Replaace 5v regulator for processor

Posted on Oct 06, 2010

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1 Answer

Menu bar appears automatically in front of monitor and automatically uses it.


My SAMTRON monitor 56V is having a problem now..
The control menu of monitor settings which will appear
when the monitor control panel is pressed(Brightness,Contrast....) is coming frequently at my monitor without activation...
Now when the monitor is turned on, the control panel will come,and will not go even if we change the settings..
The control panel is switching between the CONTROL LOCK and UNLOCKED mode during each 5 seconds....So now I cant see anything on my screen
at the middle of the screen due to this overlaying settings panel.
I is giving the same effect as the Menu key is pressed in the panel..(exit,-,+,Menu).
This problem started some 2-3 months before..
Today I hav put some etylene cleaning solution through the gaps to clean from dust... still no change...
If somebody having a remedy please help me..

Sep 11, 2010 | Computers & Internet

2 Answers

Samtron 56v monitor control is locked


hold the menu button for 10-15 seconds.this shld unlock the menu. if the menu window still keeps popping up then u shld change either memory ic or power regulator..

Jul 17, 2009 | SAMTRON 55V 15" CRT Monitor

1 Answer

Control Lock Issue in Samtron 56V


d problem is in a transistor costing little, situated near d monitor's osd control ic (microprocessor), it is probably short....[refer the connection n area around the front panel cn connector and crystal clock generator]..beware u must b a professional

Jul 12, 2009 | SAMTRON 55V 15" CRT Monitor

1 Answer

Samtron 56v monitor control is locked


Hi,
To unlock your monitor, Press and hold the Menu button for 5 - 10 sec. and the OSD menu should be released.

May 27, 2009 | SAMTRON 55V 15" CRT Monitor

1 Answer

How to unlock control lock of samtron 56v monitor ?? plzzz tell me on my email ; kranthirj@yahoo.co.in


PRESS Menu button 30 sec (or) to remove Zener diode at front panel PCB (It is comming Main PCB to front pannel sacket nearby

Aug 14, 2008 | SAMTRON 55V 15" CRT Monitor

3 Answers

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change the 5v regulator 7805 which is the supply for microprocesor

Aug 26, 2007 | SAMTRON 55V 15" CRT Monitor

1 Answer

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hi 

press and hold menu button 20 seconds or up to till mesage show as control panel unlocked


V.Giridharan

Aug 15, 2007 | SAMTRON 55V 15" CRT Monitor

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near microprocessor change c945b transistor, this may help u

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4 Answers

Problem with Control Panel


It sounds like theres a front panel button that has become intermittant and making contact all by itself. Sometimes when you clean the screen, the cleaner will drip down between the crt face aqnd the cabinet and make the switch in front go bad. Im not sure if this is the case in your problem but its a start. If you didnt spill anything or drip anything into the front panel then your maicroprocessor could be causeing the problem, or the 5 volts that feed the micro could be noisy ie, bad filter capacitor in the power supply. Now as im sure your aware of the hi voltage inside these sets? Its best if you dont have the training to get a pro to assist you as this hi voltage can hang around inside the set even if its unplugged. Good Luck

Jul 03, 2006 | SAMTRON 55V 15" CRT Monitor

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