We have the dreaded horizontal line on our screen. I've read some of the other posts on this matter and wanted to know if it's worth repairing. I don't have any experience with this stuff and I'd only screw it up more if I tried to do it.
As long as everyone agrees that the horizontal line is some vertical failure or capacitor problem, I think that is what has happened.
BTW, it's actually a 32A14 tv set, not a 32A33 set.
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Re: toshiba 32A14 horizontal line
This symptom is characterized by a thin horizontal line in the middle of the screen. This symptom is caused by the absence of the deflection sawtooth current in the horizontal deflection coil.
The trouble is easily isolated by a continuity test and by checking the most likely defective components such as A)open vertical linearity compensation transformer, B) open capacitor and C) open horizontal deflection coil.
Be sure to decrease the brightness first before trouble-shooting if the line is very bright,as it burn the phosphor screen..
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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
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Sad to say this is likely the death of it. Technically, the time base line output has ceased to function. Unless you feel it's a full blown crusade to have a vintage working TV you're going to have a hell voyage (unless you're extemely lucky) of cost in time and money to get that put right which you may decide aint' a road worth going down. Better to put your money into a new flat screen TV but if you've the storage space don't scrap the old TV. Depending on it's present age it will be worth something soon to a collector or theatre/TV/movies props hire supplier.
The tv high voltage "H" horizontal transistor IC is dead.That "H" transistor IC sit out side outer wall of the FBT-the flyback transformer,that the big black block of a plastic,with a red wire with a cap hook up to the CRT-(tv tube).Best take to the shop for repair,because part for analog tv are impossible or near impossible to find and do for the replacement.
The fuses are located on the inside of the set, remove the back cover and follow the power cord in, there should be a main ac fuse near the cord on the circuit board. Toshiba usually has a second fuse further up the power supply.
You have some bad grounds on the Vertical IC. In addition to this, in the immediate area of this Vertical IC, are a few bad capacitors. Look for this IC mounted on a large heatsink. It may have seven pins . I cannot remember for sure. I have not worked on this particular TV, so I cannot give you specific locations. But I assure the problem is in this area! If you have some electrical experience you can pull this board out. In this case only the caps need replaced and the IC resoldered. Good Luck and thank you for asking. If you have anymore questions, visit me...Thanks Again! Your south of the border tech!
you have to take in affect on how old is the tv if you have had it a few years then the screen is going out and will only be a matter of time before it goes all the way out and you will be buying a new one if it not old and its one of the newer flat panels then its the signal that the tv is receiving if its hooked to a digital antena then you only get max of 720 from it on certain channels no matter if the channel or channels are showing hd with out a hd source your tv will not show better then that i have a 42 inch hd flat panel and use a antena and the best i get from my hd broadcast channels certain times will i get true hd like when the news is showing or when one of the series that was filmed in hd is on other then that i only get a 720 picture instead of a 1080 most commercals are not film in 1080 but in 720 max and i dont know why makes no since