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Vizio VO420E - No turn on    
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Joined: 10 Mar 2017
Posts: 1
Location: VA

PostPosted: Fri Mar 10, 2017 6:58 am    Post subject: Vizio VO420E - No turn on Reply with quote

Have this viz giving me a problem, the standby logo/light comes on amber as normal, but neither remote nor power button will turn it on. only thing I tested was output voltages of PS board, all checks ok, but I have No 12 volt outputs
Is this something common?? PS# 0500-0412-0750

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Joined: 21 Jan 2009
Posts: 2369
Location: Far, Far Away

PostPosted: Fri Mar 10, 2017 10:42 am    Post subject: Reply with quote

If no ON/OFF pin toggle when POWER is pressed, Bad Main board (Defective U18 EEPROM possibly).
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