Hi i have a toshiba 43vj13p, i have a red screen which wont turn down also green and blue lines, my brightness wont turn down either, you can watch tv its just to bright and red any help would be gratefull thanks
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Since you don't have any white lines with the red screen/picture I would say that the red bulb (CRT) is conducting too much. There is an adjustment control for that. The 'sceen' control is behind the speaker cover and service cover. Turn red screen control slightly to the left until you get a good black and white picture.
You are describing the MASTER SCREEN/ FOCUS CONTROL BLOCK---black with six controls--three are red, green and blue focus--the other three are screen controls--red, green and blue--- the screens are adjusted so with the color off you have normal brightness and a black and white picture--
They have nothing to do with any Convergence problem and unless they have been tampered with rarely need to be adjusted---
Let me know if this helps you AND IF YOU HAVE ANY QUESTIONS OR NEED ADVICE--LET ME KNOW.
its very possible that the blue CRT is horting the set out. Heres how you can test it. Remove the speaker grille and access panel behind the grille and you will see the crts. remove the blue crt circuit board from the end of the blue crt and make sure it isnt touching anything then try powering up the set if it doesnt shut down then you have found the problem and you will need a new crt. or you can switch the blue circuit with the green and try it iwth the blue on green and the green on the blue then if the screen turns green before shutting down you will know that its a problem in the blue drive circuit and not the crt. lety me know if you need further assistance.
if the people in the pic has red out lines or looks like theres two of them then sounds like convergence problems which you will need to replace the convergence chips which cost around £150 +vat. hope this helps
red tub bad, you can adjust the red tub when you take the lower part of the front panel off and the plastic cover under the front screen there will be 6 controls on the right hand side the three top are the brightness look for the one mark "R" and see if turning it down helps.