Question about Samsung HCM4215W 42" Rear Projection Television
On my Sanyo TV the green convergence is out of whack. The verticle green line when adjusting auto focus is bowed no straight. You can adjust it on at the top and bottom, but its WAY off in the middle. The red and blue look OK. I Have the service manual for it, but no experiance with rear projection and don't want to put much into it.
I have a red line going across the screen
Posted on Jun 17, 2008
Sounds like you have a bad convergence chip in the convergence board. Unfortunatly, about 80% of the rear projection sets I work on have this similar problem. I suggest that you change both chips ( there are 2 of the same ) and remember to use heat sink compound as this is why you not have the problem ( excessive heat destoys electronic components). Good Luck
Posted on Jan 06, 2008
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