Question about Panasonic Televison & Video
...power to the PWM. Replace the small capacitor that stabilize the voltage of PWM. Replace the optron. If your PWM is burned out, you have to check the entire powering circuit - diodes, resistors etc. ...
...is what is going bad. Any suggestions? hi, faulty power supply. replace the surface mounted pwm generator ic on the power supply and check /replace bad capacitors on secondary section of power
...forget the ic part and move on with the FBT and things. Good luck. focus in Power supply section..check first if there is 14vdc in pin 1 of PWM IC..MC44603P...check Power FET. Hope it will help
Question about Sony Televison & Video
...PWM (Q8035, 8038) is shorted. (D board) Symptoms of the problem: Power does not come on, Load on power line is shorted. * 3 times, Diagnosis: +B overvoltage (OVP). Possible causes: IC501 is faulty (G ...
...6 times There are two Ic's that need replacing on the Deflection Board (D) board.. These regulate power for the High Voltage and Chopper PWM circuits. The IC location on the board are IC6501 and ...
Question about Sansui Televison & Video
...Power led flashes and ta-ta-ta sound is heard Check the Flyback Transformerand associated circuits.If 2SK2996 is blown, it may take out the PWM IC and some components that goes with it.Let me know ...
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