No.1-SAMSUG syncromaster Model no.700IFT.This monitor problem is one horizontal line,the line is not sharp narrowline it is little wide and the desplay is shown.
Check the vertical section-check for supply voltage, corresponding components and replace the vertical output IC and retest.
No.2-PANASONIC MONSTOR,Model no.P70.This monitor problem is color there is only one strog red color.
Compare the red circuit with the green and blue circuit in term of voltage and signal. Any different in the voltage and signal is the clue for you to trace from the circuit point.
No3.-Aopen,Model No.A50V.This monitor problem is power,there is no stundby light,no rely clicking and no B+ voltage to the HOT,but when i measure in the secondury output i fuond three vltages that they do not go further from the secondury filter capacitor,their rate is 32DCV,10DCV AND 9DCV.THANKYOU!
It could be primary power side problem or the secondary side components shorted that had pulled down the voltage. please visit this link to isolate the problem.
http://www.scribd.com/doc/2957819/TT204-Identifying-television-SMPS-problems
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