Question about Vizio L37 Television
My Vizion L 37 will show a green power light but wont do anything.The screen is totally black.What board will I need to fix it.Thanks,Paul
DEAD WITH AN AMBER LIGHT
Do Not Order A New Board For This Vizio Model. You Can Fix This Problem For Pennys. Problem: Will Not Power Up Amber Led Only. Hint: No Reset To Operate Micro (Brain Dead) I'Ve Seen (3) Various Fixs Below, One Uses A Diode, Other Uses A 10k Resistor, Try Either. All 3 Will Work, Diode Works Best For Me This Same Reset Ic Goes Bad On Other Visio Lcd & Plasma Tv'S. #1) You Remove Smd U26 On The Video Processing Board And (Add) Put A 10k Resistor Across Pins 2&3. U26 Is Near The The Tact Switch. #2) Remove U26 And Solder A 10k Tru 100k Resistor Across Pin 2&3. Start With A 10 K First. #3) Remove Reset Ic Near Tac Switch Replace With 1n4148 Diode (Nte519). Vizio Tech Support: (Valid - I Tried It) 1-888-849-4623 Opt 4 Technical Support: 888-849-4623 Try Extension 1669 (David). Hugo Carrera Parts Department 877-668-8462 Ext 1814 Vizio Inc. 320a Kalmus Drive Costa Mesa, Ca 92626 E-Mail:Hugo.Carrera@Vinc.Com
Posted on May 03, 2008
It sounds like the main power supply board. If you can hear the relay click but no other response from the TV, it would be a good bet to start there.
I just replied to a similar problem on the same model TV. If the relay contacts are no good or if there is poor soldering on the main board, you'll get this symptom. Although a bad set of relay contacts aren't out of the question, I think it's more likely that there are cold solder joints on the board. If this is a relatively new TV and used to work fine, the thermal cycling when the TV was operating might have been enough to cause intermittent contact with the solder joints. If you're up to it, consider resoldering the main board especially near the relay section. Let me know what happens. Please rate accordingly.
Posted on Apr 09, 2008
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Posted on Jan 02, 2017
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