SAMSUNG LNT4661F Dim Dark Picture After Replacing Capacitors

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SAMSUNG LNT4661F Dim Dark Picture After Replacing Capacitors

Postposted on Sun Dec 05, 2010 4:04 pm

Samsung 46 Inch LCD
Model: LN-T4661FX/XAA


The original symptoms were a clicking sound and long start up times. When the picture would finally come, it would be barely noticeable but the OSD was clear and visible.

Inspection of the insides revealed the very common 10V 1000uf capacitors (all 3 of them) on the power supply board were leaking. I ordered 16V 1000uf caps and replaced all the leaking capacitors. I thoroughly inspected all the other caps and found them neither to be bulging or leaking.

After the repair, the LCD turns on without clicking and the startup time is quite fast. However, the picture quality is very poor. I reseated the LVDS cable, and checked all my connection but I cannot fix this dark picture quality.

I will appreciate any help regarding this because I have gone crazy trying to figure out what I did wrong. Thank you.
Fargola
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