My screen is covered with wavy and jumping horizontal lines. It started out when I first would turn it on, and it would take five to ten minutes to stop. Now it never stops. I can watch it after about an hour of being turned on, but it does not stop completely any more. Sure would appreciate a solution.
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try remove the casing of ur tv go on the yoke, u see small board connecting to the yoke the try resolder all the part.Look on the main board some part are only lost look for it then resolder.Most especially the of chroma section wherein the colors are blending here i recommend to resloder properly sure to it that it will not jump to other pin.
Are the wavy lines horizontal or vertical? If they are horizontal and up near the top of the screen it could be 60HZ interference from a power cord running over the cable from the DVD player to the TV. There could also an internal breakdown of the shielding by the power supply of the DVD player. If the lines are vertical it is likely the cable or maybe the input jack on the TV. Could be a number of things.
there are guide posts that the tape goes around, they need to be adjusted if your good at that stuff take off cover and while playing tape be careful you could damage video head.with flat srew drive . adjust right post buy turning clockwise or counter clockwise. this could be hard i hope i helped , When i first started ny video shop 1987 we started doing only vcrs.
The video head also could be bad. thanks doctor video
I gather from your post that wavy can mean two possible things as the TV comes on, you see the picture flow like ocean waves? In this case you may have 60Hz hum modulating with the picture, this is actually unlikely these days, but I have heard it happens sometimes.
The other thing it could be is light horizontal tearing. This happens when the horizontal frequency is too high or too low. You are not going to like my solution because I feel that for problems like this the set must be analyzed not just subjected to "shotgun troubleshooting", so here I go, Take the TV to a repair shop.