Question about AOC CT720G 17" CRT Monitor

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Samsung samtron 553

When i turn ON my monitor,the LED will just light then it will turn of, it cannot display, it will sound something like chokchaksssssssss........before it will turn off

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  • ronnel Mar 07, 2008

    thank u for the solution, it is very helpul to me, my monitor is working now, i change the horizantal output transistor...God blees us....

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Check horizantal output transistor it will be short.it is placed near EHT on hitsink.big in size with three legs.change it and chack component of this section for future safety.
Or if this is ok then check heater volt and boost supply in video section. if it is not then check power section components that giving 6volt for heater and boost supply.

Posted on Mar 03, 2008

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