Tip & How-To about SAMTRON 55V 15" CRT Monitor

Samsung ctr 56v model monitor does not working

I am a technician.
i was replace the memory ic, 7805 ic, micor ic, and driver ic.
but SMPS is good working.

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i change the memory ic of lg 700e monitor the control pannel menu not displaying in english?


1. replace the control panel Micro switchs.

2. replace the 7805 reguletor near to control proccer.

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Check 5 v at 7805 output and change Memory IC (EEPROM).
Check SMPS o/p voltages

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did you ever check the jungle ic supply? that is 5volt if the 7805 ic is over voltage replace it!

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ok! make sure ur IC regulator is good. like the 7805 or 7812 or 7809 u make sure that the following ICs are correct in voltage! 7805 is for 5V. 7812 is for 12V. 7809 is for 9V MAKE SURE THAT IS EXACTLY IN VOLTAGE!

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

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