Question about Mitsubishi LT37131 37 in. HDTV LCD Television
It should have MOV (130~150V rating) across the Line and Neutral after the fuse, unless this TV was made to work from 100~240v range. You should check to see if the 5vdc standby is evev working right now, withot it, nothing else will happen. Checkt the DC voltage on the large electrolytic cap (the one with 150~300uF 350~450VDC rating) in the AC primary side, it should be connected to the bridge rectifier, it should have around 160vdc (120v x 1.414) on it.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Please post back what you find.
Posted on Nov 07, 2010
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Posted on Jan 02, 2017
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