Friday, May 11, 2018

panasonk tv contrast and vertical problem

this problem appear  in   cpu   no vertical oscillation  and  contrast is not found the probem id no5 volt on regulator cause of bad shunt  resistor   30 ohm  increase to 80  cause  of heat  you  must change by r 3.3 to 5 ohm it will  not effect and efficiency increase

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