Question about Samsung Televison & Video
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Posted on Jan 02, 2017
I had the same problem with my LN32A450. The red standby light would flicker off every 5 seconds or so and the TV would not turn on. The problem was with the power supply board. When the light flickered this way, the standby power read 5.05V on the voltmeter instead of the required 5.2V. The problem lies in one of the solder joints in the standby power regulator.
You can fix this yourself if you have enough skill. Pull the board and reflow the solder on the SMT component joints with rosin (or your favorite flux, but clean it off afterwards). The SMT components are on the bottom side of the board. I ended up resoldering the joints from the first stage step down converter all the way to standby power filter cap and the feedback circuitry, including the main power regulator and everything in between, thru-hole parts too.
Check for bulging caps while you are there and replace.
Posted on Mar 13, 2010
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