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Toshiba viejo televisor de proyecci?n; Sombra roja en la imagen. Bot?n de convergencia (rojo) Las flechas izquierda / derecha no funcionan para alinear la convergencia. Las flechas arriba / abajo
You have one or more bad convergence amplifiers. Best to replace both convergence output ICs as well as check low value resistors associated with them.
You will have to spend money to repair it. The Convergence IC's need replacing along with checking all the bias resistors for correct value. Do not attempt to align the Blue manually as you will have a headache once the problem is repaired. A normal repair bill is in the area of $250.00 for a service center to repair.
If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Convergence adjustment procedure to many brands of projection TVs are given in detail.
Replace STK convergence IC's w/OEM or better
parts.Senior tech soldering ability needed.
Ex==Steel jumper wires feeding b+ to conv.
IC's need resolder to prevent call-back.Also,
best re-alignment done in service mode==consult
service literature.
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