If you have gone into the customer menu and CONVERGENCE is skewed and will not adjust:
One or both of the two
STK-392-110 convergence chips that this set uses are bad.
The chips are about 2 1 /2 inches wide by 1 1/2 inches tall and are black in color. They are mounted on metal
heat sinks
with fins and are side by side--they will have the Stk-392-110 number printed on them in white letters.
If
you locate them take a good look at all the light blue resistors in
front of them--most are marked 2.2 ohms---look for any that are white
or discolored in the middle---if you find one or more YOU HAVE FOUND
YOUR PROBLEM.
BOTH chips and any bad resistors need to be replaced and the set adjusted. If you can do this
repair you can save a lot of money as you can buy both chips (a pair) on Ebay for about 12 dollars plus shipping.
I have start to finish instructions for this repair on this type of set. Keep in mind, I am not allowed to post MY
email address here for you.
If
you cannot do this repair yourself, shop around your area--most shops
charge 300-400 for this kind of repair--I do them here for 200-250 and
have done hundreds of them.
If they say it has to go to the shop--keep looking as any good tech can do this repair in your home in about 1 hour.
If
you have any questions or need advice reply to this posting here OR
check out all my many solutions here for more information concerning
what I have told you.
I am here to help people.
Regards, SD TECH
Expert
