Question about Daewoo DTQ-13P2FC 13" TV

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No vertical deflection, just a line in the center. I don´t have the diagram. Tanks

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Look up for faulty Elkos in the vertical Stage near the powersuply abd then find the Vertical IC with are fit near by the highvoltagetransitor

Posted on Sep 05, 2009

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My crt acer ac512 monitar only centre line view,c"not full view why?


there are several reasons why picture of crt monitors did not display good picture. if your monitor had horizontal line at the center of the screen?...the faulty is in the vertical deflection, check the vertical oscillator also the fusible resistors & capacitors around that section. if there had vertical line at the center of the screen?..check the horizontal deflection, horizontal output transistor also check the YOKE.

Jul 31, 2014 | Acer Computers & Internet

2 Answers

Videocon bazoomba tv circuit diagram


If it shows picture at first, and after some time displays a vertical line at the center of the screen, check the connector that goes to deflection yoke for loose connection at its bard end socket, and check all the solder terminals of capacitors at horizontal output section. If you wish to get some details, http://electronicshelponline.blogspot.com/ Pull up older posts.

Dec 14, 2013 | Televison & Video

1 Answer

There is a line down the center of the screen


whether the line-shaped vertical or horizontal? if it appears a horizontal line on your side, it signifies the vertical rays do not exit the screen or your TV vertical part is not working. damage can be caused by IC Vertical, or in the vertical deflection coil yoke.dan if a line that appears is from top to bottom that indicates the horizontal section is not working, usually there is a problem of the deflection yoke is not connected or defective.

Jul 11, 2010 | Televison & Video

1 Answer

Vertical line


Hello,

Most probably the vertical deflection amplifier is failing. The most common part that fails is the vertical output transistor.
The set is too old to find documentation on part numbers and descriptions. Probably the part is no longer available and you will need the assistance of someone who can help you find an equivalent transistor that will do the job.
Of course, without testing we cannot be certain the failure is the output transistor. It could be from something else such as the voltage regulator that feeds the dc line to the vertical section. Could be the vertical synchronous level that goes too low to trigger the vertical sweep generator.

Other bad parts in vertical deflection circuit though there are not that many parts that would kill the deflection entirely.

Loss of power to vertical deflection circuits. Check for blown fusable resistors/fuses and bad connections.

Loss of vertical oscillator or vertical drive signals
Good luck.

Jun 01, 2010 | Sony BRAVIA KDL-52W4100 52 in. LCD HDTV

1 Answer

When I power on my Mitsubishi CS-35313 tv, I only get a thin horizontal line across the center of the picture tube. What could be the problem?


There is a failure in the vertical deflection circuit. Typically there is a vertical output i.c. that provides the deflection vertically. The i.c. itself is a fairly common component to fail. There are some lower power circuits that feed this output device that also could be the problem. When the electron beam in the tube is not deflected vertically it "writes" only horizontally across the center of the screen thus resulting in a single trace. Be careful not to leave this at high brightness for any extended time as it can "burn in" that area of the screen. Unless you are a "techi" this is a job for a qualified technician. Troubleshooting would be in the vertical deflection section of the set. Most of the parts are not expensive in themselves, except for the deflection yoke which sits around the neck of the tube. The cost to repair would typically be the shop labor.

Nov 25, 2009 | Televison & Video

3 Answers

I have a three year old model pvc2542 tv/vcr combo the picture is just a line in the center of the screen


Bad vertical deflection circuit, unless you have a bad connection (bang on set to set it it fills out for a second) . you will need components replaced such as the IC, capacitors possibly a fuse from the power source to the vertical IC.
If its a bad connection soldering the IC pins is not to hard if you are OK with taking it apart yourself.
gd lk
Eric

Aug 21, 2009 | Televison & Video

1 Answer

Tv goes to straight line in center of picture then


It happens when Vertical deflection stops as Vertical Out IC becomes hot or does not get vertical signal.
Please check electrolytic capacitors and dry solder joints in vertical out section in TV.

Aug 12, 2009 | Sanyo Televison & Video

1 Answer

Vertical line in center have replaced vertical output ic


If the line is vertical then the problem is no horizontal deflection. The vertical chip is probably fine.

Check connections around yoke (thats the connector with at least four wires that goes up to the coils around the neck of the tube)

Maybe that TV has two horizontal output transistors. One for deflection and one for high voltage? Check both of them. Look for bad solder joints!!!

May 21, 2009 | Sanyo DS31520 31" TV

2 Answers

Vertical line in center


If the line is "vertical" then the vertical circuit sounds OK. The problem would be in the horizontal deflection.

Check yoke connection and solder around horz defl circuit.

If the line is horizontal then I would suspect the vertical IC.

Apr 02, 2009 | Sanyo DS31520 31" TV

1 Answer

Convergence


if the blue lines runs across the screen in the center its a vertical deflection problem it will need to be diagnosed.

Oct 02, 2008 | Samsung HC-P4752W 47" Rear Projection...

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