Question about Daewoo Televison & Video
KSuddenly my tv picture became dim even after keeping brightness and contrast full.Local mechanic told that picture tube had become old and weak it couldnot be made better.He made a bit better but not ok. Please help.Saroj
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Posted on Jan 02, 2017
Hi. When TV has one color only, Unplug CRT Socket. if voltages for cathodes within 10% of each other, Problem is with CRT. check green video amp on crt socket, it may be shorted or leaky, if ok have crt checked for short involving the green cathode.
Posted on Mar 20, 2006
On the inside of the TV, on the flyback transformer there should be two controls. Turn the one that says "screen" very slowly clockwise while looking at the pix. The pix should get brighter as you turn it up- if you go to far you will see lines in the pix or the TV may shutdown.
Posted on Aug 30, 2007
Vertical defection failure. Common failure. Pretty easy to repair ($50-75?). However, my general rule of thumb is not to waste any more money on TVs over 10 years old. Too much other stuff in there ready to fail as well.
Posted on Jan 24, 2008
1. A Cold solder in the Video Output stage power supply.
2. A bad Electrolytic Capacitor in the above Video Output stage.
I generally do not waste time in attempting to locate faulty capacitors. There will be only 6-8 pf them in the above stage / section,m and the klot of them would collectivelyt not cost more than 3-4 $ equivalent, in india. Just blindly replace the lot, and the set is ready in 30 mins.
Dunno how much they will cost in your country. Try to look for a 100mfd, 160V Capacitor. Close your eyes and replace. generally does the trick.
Posted on Apr 09, 2008
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