Question about Samsung LN32C450 32 in TV
Are you getting backlights but black screen? You need to find out if you are getting PSON (on signal (3.3~5vdc) from main board to turn on the 24vdc power supply for the inverter board), you also need to find out if the inverter board is also getting the BLON (backlight on, 3.3~5vdc) signal from the main board, this signal and Dim signal may be routed through the power supply board).
Please read my guide to understand how it works.
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
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.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.
Posted on Mar 12, 2011
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Posted on Jan 02, 2017
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