Question about Mitsubishi WS-55807 TV

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Bow in the midle and color strips on side

It is 7 year old tv and had it fixed same problem and spend $350 and now i have yhe same problem can get me pictorial diagram for ics to replace or solder

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Check the foil side of Ic's 801 and 802 for ring cracked solder joints and re-solder them if you find any. You may need to replace both Ic's if resoldering doesn't work..
Bill

Posted on Nov 03, 2008

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Top and bottom of picture in center of screen dips like a bow tie


The tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board is dead.The tv convergence board reqiured changes it 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board problems to solved the tv picture convergence picture problems.The shop,will cost like $300-350 for parts and labors.

Feb 01, 2011 | Mitsubishi WS-65908 TV

1 Answer

The tv is at least 17 years old.The blinking red light blinks 5 times ,then the tv picture goes off . The voice is still on


Five blinks is the error code for an AKB (auto kine bias) error. What this means is that the set isn't able to balance the three color guns (red, green and blue) of the picture tube properly, and it's blanking out the screen.

To get the proper colors, the signals for the three colors need to be balanced, and Sony sets have circuitry to do this automatically. Other brands don't, and when they go out of balance you see a picture that starts to show tinting or colors that are off. As the picture tube ages, it gets harder to adjust the balance until finally the AKB circuit can't anymore, and poof, the picture goes away. With a 17-year-old tube, it's not surprising.

There isn't anything that can be done to fix the picture tube, it would need to be replaced. But the cost of the tube and the work required to get it set up after installation makes it completely uneconomical to repair this TV. A new picture tube is nearly $200. Then special tools are required to set the tube up (a process called convergence), so you'd need to find someone to put it in, and possibly pay to have the old one disposed of. A new 32-inch LCD set is around $350 now. Treat yourself to a new one.

Jan 01, 2011 | Sony FD Trinitron WEGA KV-27FS120 27" TV

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16 yr old 25" Zenith..1st colors went yellow/lime now TV is dead


Absolutely not worth repair. You have described a classic symptom of Zenith picture tube failure, and about 99% of the time the main board in the TV is ruined as well. You've gotten good life from the set (manufacturers figure tube life is around 7 years these days), so it's time to replace it.

Apr 09, 2009 | Zenith B27A11Z 27" TV

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Hatachi TV. color saggging. Blue and yellow sagging on picture


I would say that you are having convergance problems need to know the model number of the set which is on the back of the tv then might be able to help better. Is there a bow in the colors. Like the red or blue.

Mar 01, 2009 | Televison & Video

1 Answer

Purple area on the top of the screen


need to degause device to fix that color

Jan 11, 2009 | Panasonic CT-36D32 36" TV

1 Answer

BOWED IN SCREEN/PICTURE


the problem is called pincushion

usually fixable not by anyone without electronics background

guessing around $150 you have to decide
as long as it has a good clear sharp picture its worth it

Dec 20, 2008 | Sony FD Trinitron WEGA KV-24FS100 24" TV

1 Answer

White line


This is cauced by a collaspe of the vertical output circuit. Normally a relatively easy/quick fix by a skilled repair tech. If you have a nice quality set that is less than 7 years old, it might be worth fixing, otherwise, you might want to consider getting a new one.

Give a call to a local service shop and tell them what TV you have and the problem and see what they provide for an estimate to repair, it might be worth doing and it might make your decision easier to go buy a new one.

Jul 29, 2008 | Sony KV-32XBR450 32" TV

1 Answer

7 year old sony wega 32 inch


There are 3 components that control color, and it sounds like one of those are bad.
You will have to get it repaired.
I would talk to your local repair shop, and see what their estimate is, before deciding on repair or replacement.

Mar 14, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Green picture


How old is this TV?
It either has an unrepairable problem in the tube itself, or the circuit driving the green gun has a problem. If the TV is at least ten years old, I wouldn't spend any money on getting this fixed.

Jan 06, 2008 | Toshiba 19A25 19" TV

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Mitsu 55'' screen


The convergence ICs probably have a cracked solder joint on the foil side of the circuit board. Re-flowing the the solder would help. I will always replace the convergence ICs when doing this job. The labor remains the same and you will have to pay a few extra bucks for the parts. To fix this yourself, you will need to be able to identify the two convergence ICs (STK392-570), have a basic knowledge of electronics and be able to use a soldering iron.

Feb 17, 2007 | Mitsubishi WS-55807 TV

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