Question about Toshiba TP50H50 50" Rear Projection Television

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Vertical Collapse Then the TV picture started to go out. I would tap the side and it would come back on then after a short while that would not work. The picture finally went out. I paid a repair guy to come and look at it, he told me it was  a vertical collapse. How do I fix that?

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  • WantTV Jan 03, 2008

    How do I fix it and where can I get the part

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Considering that tapping the side will make it come back again. You may look at the possibilty of having a bad solder joint (cold solder joint. Which happens when the solder is not at the correct temp when it was let to cool. and thus has tiny cracks in it. after years of use the cracks turn into larger cracks and the connection is breached.

Take a solder iron and do a remelt on all the solder joints involved in the vertical circuit. including the likely problem.. the vetical coil..

Posted on Jan 15, 2008

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Genrally vertical collapse indicates failure of virtical ic. or related components

Posted on Jan 03, 2008

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1 Answer

Horizontal lines across TV screen Pansonic CT 35g25


Check its vertical output section circuit for any component damage or loose soldering terminals. Check the solder terminals of the vertical output IC. Resolder all the suspected solder terminals by applying al little more fresh solder, without making any solder bridge short in between adjacent solder terminals.
If this do not help you, replace the vertical output IC. Lose of Vertical Scan is the problem of your TV.

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1 Answer

Television blank , but there is a white line across tube. I can hear audio


Your TV is in what is called "vertical collapse". About 70-80% of the time it is due simply to bad solder joints on the vertical output IC. You can verify this by tapping on the side or top of the TV, the picture may jump back into position. If it comes back it's as simple as re-soldering the vertical IC. If not, the vertical output IC may be shot or it may be missing one of it's supply voltages.
If the picture has been shrinking or had lines at the top that means there are some capacitors in the vertical circuit that were drying out. If it happened all of a sudden I'd bank on it being just bad solder.
Don't run it like that with that bright line for too long or it will burn in on the picture tube. Then if you do get it fixed you will see that line there all the time!

May 24, 2010 | Toshiba 27A33 27" TV

1 Answer

MY SCREEN SHOWS ONLY A BRIGHT LINE STRAIT ACROSS THE CENTER OF THE SCREEN


you more than likely have a coupling capacitor defective in the vertical driver/output circuitry,or you can have "COLD"solder joints in these or the power supply section,carefully tap in every area on the case,if picture starts to expand and collapse, then its a solder joint thats bad/if you can take back cover off take an insulated plastic instrument and tap and push on board and components to see if you get the same results...be careful inside case

Aug 29, 2009 | Toshiba 36A40 36" TV

1 Answer

Intermittent collapse or rolling of TV picture


Look for dry joints very carefully in the vertical circuitry, IC and the power supply

Apr 07, 2009 | Televison & Video

2 Answers

Mitusbushi VS-4544 Horizontal lines then looses picture.


I'll take a guess here that the lines are at a slight angle. I believe that these are "retrace" lines and are an indication that the flyback transformer is starting to fail. The vertical IC would cause a collapse of the picture and bad caps in the circuit would effect the linearity of the picture. You can check for poor solder joints as they could cause any nunber of symptoms.

Keep us posted.
Dan

Jul 14, 2008 | Mitsubishi VS-4544 45" TV

1 Answer

Toshiba TV with only a horizontal picture?


You could have a simple loose connection on the vertical output IC . Sometimes you can tap the board and the picture will fill out . Or the IC could have failed . It will also take out the resistor that supplys the voltage to the vertical IC . If you take it apart to work on be careful as you can be shocked if you don't know what your doing . Most repair shops charge $50 to $80 to repair . Good luck

Mar 04, 2008 | Televison & Video

1 Answer

2-inch picture stripe in middle of screen.


deight, your set is going into total vertical collapse, either the vertical IC is failing or some support component to the vertical circuit is failing, should not be an expensive repair, hope this helps, BMW Rider

Dec 12, 2007 | Sylvania 6419TA 19" TV

1 Answer

Mitsubishis TV Problem


have a Mitsubishi TV 1993. Model CS-35301. The problem is that there is a white line that is running through a blank screen. The sound is fine just no picture. Have you heard of "Vertical Collapse?" I would love to save the TV. Hi nothing to worry just minimise brightness to avoid screen burn. "Vertical Collapse?" means one bright hor.line in the middle of screen. this problem can be solved 1 check vertical yoke connector or wire loose 2 check supply to vertical section which normally comes from EHT transformer check components in vertical section or print loose regards thanks

Sep 10, 2007 | Televison & Video

4 Answers

Thin horizontal line


Defective components in vertical deflection and output circuit inclusive of vertical output device, coupling capacitors, and yoke connectors. Passive devices such as electrolytic capacitors, coils, and resistors to/from power supply circuits. If your tele is more than 10 years old dump it and get a newer product. $100 USD is a fair price to diagnose and attempt service, depending on age and configuration. Older products may not have replacment parts available at any repair cost. There may be a pot for adjusting the vertical size. If so, it may be dirty. If you can find it, try adjusting it which could clean it. BE CAREFUL -voltages are very high.

Mar 20, 2006 | Sharp 27H-S60 TV

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