Samsung HCM422W 42" Rear Projection Television "line middle sanyo tv" Questions

...middle fo the screen in the shape of a bowl. Replace Ic7001 and Ic7002 the convergence amps in this unit. Both are STK392-110 Sanyo built Ic's and fairly inexpensive. If you're not at all sure how to ...

middle is basically fine, also there is a doubling effect. Anyone know what the problem could be & how to correct it? Thanks in advance for any help you can provide. Sounds like your convergence chips

...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 ...

...middle of the screen from both sides. It resembles a "bell curve" and doubles the text and images present. Unable to find any info on the web but suspect it's a board or circut gone bad. I hesistate ...

middle from the top and bottom. No color, sound or other problems that I've noticed. Your TV most likely has a Convergence Chip Failure ( common problem ) Here are some of the most common symptoms and

...middle of the screen. The picture has also lost it's crispness and appears dull. When adjusting the convergence the cross it not totally white; there is red showing through on all four points of the ...

middle at the bottom. How do I correct this? I have a 60" Phillips and a 51" Magnavox and they are both doing the same thing. One started doing it after I moved it, and the other just started doing it

...middle on top and bottom, and the text and images overlap each other in 3 different colors giving a 3-D effect. In the past I've had to adjust the control knobs on numerous occassions to get rid of ...

...line up One or more colors can't be adjusted when using the convergence menu. Screen is bowed or warped. Here is a quick test.... Using your original remote go-to the tv settings then goto the ...

...line across the middle of the screen. What might this be and is it worth fixing? The vertical IC either has bad connections on it or hit has failed completely. These are common ICs and are available ...