Question about SAMTRON 55V 15" CRT Monitor

4 Answers

Screen menu displays locked & unlocked

Hi i am a small techni,i have got problem in samtron 56v.It displays locked and unlock,if i press exit also it does not exits.it acts as if we r pressing menu boton.but the menu boton is ok.the memory also resets.

Posted by kiran kumar on

  • 3 more comments 
  • nochance Nov 15, 2007

    I am using a samsung syncmaster 773S i am not able to get the control lock display out of the screen despite many efforts to exit it re appears.. is it a bug or a feature? is it solvable?

  • Anonymous Apr 10, 2008

    How to reset memory

  • ayman farouk Apr 25, 2008

    Can you please help me with my problem? I cannot access the control
    panel of my monitor because it will say "Control Lock" with "Locked"
    in the middle. I'm using a Samsung SyncMaster 551v (white) monitor.
    Please tell me how to fix this problem of mine because I can't

  • Anonymous May 04, 2008

    The menu bar is present on the screen continuously showing sometimes "Locked", sometimes 'Unlocked". if I try to exit , it does not disappear. If I press exirt button for a long time the display configuration become changed automatically eg. the display become too bright. Can anybody help me to solve this problem?

  • Anonymous Feb 28, 2009

    what is the lock that pops up in the middle of my screen every five seconds







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4 Answers

Anonymous

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Hold down the menu button for 5 seconds (with the monitor turned on). It should reset the lock option.

Posted on Mar 01, 2009

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CHANGE 7805 REGULATOR IC

Posted on May 12, 2007

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Change 7805 ic(5 volt regulator) near microcontroler ic.

Posted on Jan 17, 2008

Anonymous

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Some time regulator ic 7805 bad or 8pin memory ic bad replace it i think that it is good solution for this problem

ganesh g from nasik

Posted on May 07, 2009

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Anonymous

  • 414 Answers

SOURCE: 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

Posted on Oct 24, 2009

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Related Questions:

3helpful
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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..
12helpful
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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
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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.
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On Screen Display is being shown permanently

Its aproblem of command section.Check its components one by one.you can identify this section (the front panal buttons goes in this section and a ic in big size and pasted horizantally in the circuit).if the components are ok then change command ic with new one.This will solve your problem.
6helpful
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Monitor control lock problem

Replace the small 78L05 regulator 5V supply to micro.
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Samtron 56v

change the 5v regulator 7805 which is the supply for microprocesor
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Samtron 56v monitor user control locked


hi 

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


V.Giridharan
2helpful
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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
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