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Kv 2185ge i have sony tv(kv-2985GE), it working good but decreased its picture hight. What can i do for solve this problem?

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  • Televison & ... Master
  • 74,106 Answers

It sounds that the 'X' correction circuit has failed.

Posted on Jul 22, 2013

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6ya6ya
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Posted on Jan 02, 2017

techman
  • 3130 Answers

SOURCE: Sony TV - Loss of half the picture

sarge, it sounds like the vertical output IC went bad on you. If it was a bad connection or a bad capacitor, your picture would have been a straght line across the screen. They call the output section of the IC a push-pull type of amp, so the top half of the sweep IC went out. If you have had some soldering experience, and or experience with solid state repair, locating the bad IC and replacing it is no big deal. If you havent, stay safe and call in a pro to assist you in this repair, as there is alot of high voltage inside this puppy that is still present even if the set is unplugged. It should not cost an arm or a leg to repair this set. An honest repair on a set like this if you take it in should not exced 125 to 150 bucks. Good Luck PS Please dont forget to rate this thread.

Posted on Oct 22, 2006

  • 308 Answers

SOURCE: sony tv picture keeps flashing

You likely have bad solder connections around the tuner area. This model has a history of problems in that area or the tuner itself.

Posted on Dec 24, 2006

romsky79
  • 822 Answers

SOURCE: sony tv KV-27FS120, blinks 6 times, horizontal transistor is good, and driver to, can you help me?

check the memory.

Posted on May 31, 2009

jingjao
  • 252 Answers

SOURCE: No picture, sound works on Sony TV KV-27V22.

try to adjust the screen. it is located behind the CRT board.(CRT board is the board that attached to the picture tube) you will find a black knob which label screen adjust it by turning the knob.

Posted on Jul 04, 2009

stonephoenix
  • 563 Answers

SOURCE: Sony FD Trinitron WEGA KV-32HS500...red standby light blinks 6 ti

I have over 10 years experience in electronic tech support.

I know this isn't what you want to hear, but the problem you've described can't be fixed with
troubleshooting. Your TV will have to be repaired. There is a part that has developed a defect and needs to be replaced. If you're still in warranty, the TV will be repaired at no charge to you. The warranty would likely be at least one year from the date of purchase from the manufacturer. If you purchased an extended service plan they will repair the TV at no charge as well.

If the TV is no longer in warranty, it will likely cost a minimum of $150 parts and labor. This is assuming that you only need one
circuit board or small part. If the problem is more than one of the circuit boards, the price of repair could go much higher.

I hope I've provided you useful assistance and that this information allows you to make an informed decision as to how to proceed from here. Please be sure to vote on my response. I hope I've earned a good rating from you today.

Please let me know if I can be of further assistance.

Posted on Jul 11, 2009

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1 Answer

I have a tv sony trinitron model KV-32FX68E 32''.


try to plug the tv to other socket that is working before suspecting the tv set

Jul 18, 2011 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Hi , i have a trinitron kv 21, and it has a problem , the problem is: when i start the tv , it has narrow picture and hight of picture is short , and after passing time picture is going to be better a...


Hello
You haven't mentioned anything about your Sony TVs model number. Yet I'm answering to you, considering it as a general problem for Sony.
Your set's vertical output section has the trouble. Normally Sony uses a 9 pin Ic for this section for their 20 tvs, starting with LA' Series. This is a small IC vertically mounted on the circuit board,and screwed on to a heatsink plate. Just replace the capacitors around it first. Most of the electrolytic capacitors will go reduce in its capacitance value with time. Check the input voltage to that IC also. This input voltage is usually derived from the Line Output Transforemer's [LOT], secondary winding, and come upto 28VDC or so. If this voltage is very low, the retifier diode connected to the respective winding of the LOT may faulty. Replace it with same type and number.
When replacing electrolytic capacitors, keep a keen look on its polarity,as tthey ahve both positve and negative terminals, and should be coincide with the printed circuti board. otherwis it will burst off when supply is charged.
Replace all of them including the majn smoothing capacitor to the IC voltage. If these does not help, replace the vertical output IC. It will not cost too much. OK.

Dec 16, 2010 | Sony Televison & Video

2 Answers

My sony (KV-2185GE) showing a bright horizontal line in the middle of the screen. Sometimes with jerking picture shows corrctly but again the problem repeats. What may be the reason ?


Usually what causes this is bad solder connections at the vertical output. This is either a chip or transistor that controls the height. It is located on a heatsink near where the yellow and green wires plug into the board from the yoke. Someone needs to resolder the connections underneath the circuit board at this location to correct the problem. Most repair shops will do this for 65-95. u.s.dollars. Good Luck, Russmann.

Sep 21, 2010 | Sony Televison & Video

1 Answer

PICTURE CUTS IN AND OUT


Ur video board CRT socket pins resoldiers that.
Ur hight voltage transformer,FBT(the big block of plastic with a red wire with a cap hook to ur
CRT.Bottom of that plastic block of that there pins resoldiers that too.U should solve the prob.if not, the FBT must be replace it dead.
















Aug 27, 2009 | Sony KV-32S45 32" TV

1 Answer

KV-HX32 SONY WEGA TV


The hight voltage transformer it dead.The FBT(The flyback transformer is dead)The block of plastic with the red wire with a cap hook to the CRT(the tv tube).

Aug 25, 2009 | Sony KV-32S45 32" TV

1 Answer

No picture, sound works on Sony TV KV-27V22.


try to adjust the screen. it is located behind the CRT board.(CRT board is the board that attached to the picture tube) you will find a black knob which label screen adjust it by turning the knob.

Jul 04, 2009 | Sony KV-27V22 TV

1 Answer

Size of the picture decreased


If this only happens with your cable or satellite box this may be an adjustment in your box. So you may need to contact them and find out how to adjust the picture size. This tv may have a wide mode setting on the tv remote. Pushing this button may select full,wide,wide zoom or normal size. On many occasions the tv stations control the picture size. Good Luck

Jan 23, 2008 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Sony KV-27V66 Tv Problem


I would have someone check the electrolytic capacitors in the power supply or deflection circuits. You can check them with an ESR meter. Any good technician should have one. I bet one or two of the caps are leaky.

Dec 14, 2007 | Sony KV-35S40 TV

2 Answers

Colour distortion at the sides of the picture


check to see if you do not have speakers on the side of your tv or any where around it.which could be causing your problem.

Jun 09, 2007 | Sony FD Trinitron WEGA KV-29LS35 29" TV

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