Vizio VT420M LCD TV "main power light" Questions

...main board to the power supply which tells it to switch everything on Im guessing that something is going wrong on the main board. In the condition where it freezes it (the power on V) which switches ...

...power button for 1 min still did the same thing Sounds like main board fault. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get ...

power supply voltage are "dead on" except 12V which measures 11.35 Volts. TV Starts up, but display is scrambled. Tuner works and has sound. Noted, no pale standby light behind Logo and Logo

...all fuses on every board. Voltages seem good out of power supply and i suspect the main board is acting up. Buying a new one or refurbished on seems worth it for this tv. Anyone figure this

Power supply, main board can also cause no lights on the screen. I would get second opinion. Please read my guide to understand how LCD TV works. Basic LCD monitor and TV troubleshooting guide: http:/

...Main Failure check power/inverter board or Main board). V) If the power light is blinking at a rate or two times per min and the OPC light blinks at a rate of three times per min (UR6V failure check ...

main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board

main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board

main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board

main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board