Samsung LE32A457 32 in. LCD TV Logo

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Anonymous Posted on Aug 25, 2013

Horizotnal lines bad picture - Samsung LE32A457 32 in. LCD TV

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  • Samsung Master 76,851 Answers
  • Posted on Aug 25, 2013
The Knight
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Must be to a fault to its T'Con board.

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White lines across tv screen

Without seeing the lines I can't be sure what your set has wrong, but here are a some possibilities:

If the lines are lines are confined to the top inch or two of the screen and the picture looks otherwise normal, the trouble is bad capacitors in the vertical output circuit. Fixable by replacing the bad parts.

If diagonal lines are across the entire face of the picture tube and the picture looks washed out, the trouble is often a bad capacitor on the 200-volt line to the picture tube. This may be on the main circuit board near the horizontal output transformer, or on the small circuit board plugged onto the end of the picture tube. Again, replacing the bad capacitor can fix this.

If your TV is actually an RCA, someone may have bumped a rear-panel adjustment. On the back of the TV near the bottom right are two small knobs. RCA left these adjustments exposed inside of putting them inside the set like other manufacturers. These sometimes get bumped if someone was behind the set cleaning, or if a pet got back there and hit them with a tail. The top knob adjusts focus, and the bottom knob adjusts something called G2 or screen voltage. If this gets turned up too high it can cause the faded picture and diagonal white lines. Turn the adjustment down until a black screen looks black instead of gray.

A bad picture tube or horizontal output transformer can also cause lines through the picture. If this is the case with your set, it's time for a new TV. The transformer is relatively inexpensive but labor costs aren't, and the repair bill may exceed $200. If the tube is bad, there's no point even considering repair. The tube cost alone exceeds the cost of new TV.

Hopefully your lines are easy and cheap to fix. Good luck, and thanks for using Fixya!
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If it is like the Brother Label Makers - Get into the function menu, then scroll through until you find "style" or "format" or something similar. Enter that subcategory, and scroll through.

You should find the option for Vertical Printing - then just choose 'default' or some other option listed in that menu/option section.
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Open fuse/bad connections on HV ckt board and one or two bad capacitors.
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CCD going BAD call Samsung they will do it FREE of charge as it is a known problem after some time the pics will be total BLACK and BLANK pls call them and ask them about BAD CCD

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I will assume from you description that this is a rear projection crt(picture tube) tv. if this is true I have good news/bad news.
faint red horizontal bowed lines in the picture indicate the screen(G2) voltage for the red tube is too high.Slight lowering of the G2 adjustment will eliminate these lines. I stress SLIGHT because too much adjustment will mess up the gray scale .
The bad news the red crt made be bad. if the adjustment works but in the future the problem reappears then suspect the red crt.red crt replacement is probably not economical to repair.
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You have a number of bad capacitors in the vertical circuit. If you can solder, you should be able to repair this yourself. I'll look up your model to get the parts needed.
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