Question about Samsung HCN653W 65" Rear Projection Television
The feedback control is not working on one of the colours.
Check vblk and hblk pulses. and then check stk to convergnece module feedback pulse.
Posted on Dec 18, 2008
Hi some samsung models are renowned for this problem.
First off if the stk i.c.s are crook then this can happen.
The most likly cause is the vblk and hblk pulses are not there on the convergence control
module. The vertical ic can cause this usualy its marked la7845 .
If all else fails then you will most likely have to replace the convergence controller.
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Well, problem is that your TV is just too big... ;] Most probably you're looking at a job that includes replacing some STK chip on the convergence board, or the board itself. in parts a chip should be around 5 bucks, and the board over a hundred. Good luck
Posted on Jan 22, 2006
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