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Re: Green picture with horizontal green lines...
First, Id like to know how old is your unit? Also, the lines indicates in issue with regards to the lifespan of your tube. The dominant green color has something to do with a malfunctioning ray gun of your tube. However, i had encounter a unit that was resolved by simply resoldering the circuitry of same problem.
Why dont you try to resolder the board first.
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
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Apr 25, 2014 - Uploaded by ShopJimmy.com
TV Repair help with troubleshooting lines on your TV Screen. ... hi i have a sony bravia mdel # KDL46EX523. i have horizontal multi colored lines ... My TV has the following symptoms: - Horizontal lines from top to bottom of .... thick(like 1-1/12 inch) and a couple of green vertical lines next to the black one.Missing: kdl 40bx421
You did not mention what you are connecting with HDMI but I have had problems with my PS3 and it is copy protection related. On a PS3, you have to connect it to HDMI1 otherwise some BlurRay movies will not play.
You might have a bad HDMI cable. I have heard the quality of cable does not matter these days but I still have had issues with the really cheap cables. I still do not buy the really expensive HDMI cables though.
When was last time you replaced Lamp? Ballast Board is what powers the lamp on.
Lamp Fan, if it is defective it will shut lamp off to protect it, if it is Not cooling the Lamp.
Mats has Lamps for $99.00 1-800-628-1118
Encompass Parts Distribution has 10 Ballast Boards in Stock for $68.96 they also list Service Manual Free for this Model# 1-800-638-3328
Hello: Have you tried to adjust you Green Screen control on the focus block assembly. located behind the front panel assembly. Here is a solution that might help you, turn off the green by turning off this control, make sure u look at the block and make sure you are not turning the green focus knob instead of scrn crl. Turning the control slowly to the left the retrace lines should disappear as the green video darkens. Then turn the control slowly to the right just until the retrace lines reappear, then turn back slowly left just until the lines go away. If the screen is Blanking on green tube only then you have a video blanking problem on the main signal board. Or possibly a IK bias problem. It is also possible that the green CRT is defective. The FBT is not bad because the screens are lighting up indicating you have high voltageand heater voltage which is derived from one of the secondary windings of the FB. If it is a Blanking problem i would look into replacing the A Board assembly.
There are 2 possibilities of green screen in this model.
1- Driver circuit of green gun is defective.
2- Screen itself is defective.
Now I want to know, do you have TV repair experience and basic electronics knowledge to test and check above 2 sections in TV?
you need a green CRT thats whay you have the white kind of concave lines with the green screen. You can try adjusting the green screen control but you need anew CRT ( tube) the speaker cover has two plastic plugs that get removed on the lower edge os the grille which covers the two screws that hold the grille on. If you need more assistancr or where to get a green CRT let me know as I have a link that has some green and red Tubes for your model.