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Were the vertical out put in the pcv brod of jvc tv

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You should have knowledge to understand the schematic diagram of the set, in this matter. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Posted on Nov 19, 2014

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The vertical ic of my jvc tv model no. av f21mx5 are always burn even i replace a new one


Just check the supply voltage input to the vertical IC. If it is more than normal, this type of fault can occur. Just compare this voltage . The TV schematic will help you to find this detail. Check whether the IC is firmly screwed on to its metal heat sink.

Jul 03, 2012 | JVC AV-20020 20" TV

1 Answer

JVC AV-27820 turn on the a white line accross middle


Hello
Total failure of vertical sweep occured whic your JVC TV. There are mainly two resons for this fault.Loose soldering terminals of the vertical output IC is the first one. The second one is of failure of the vertical output IC itself. You have to locate this vertical IC. It can be located at the main board. Vertical IC will be screwed on to a metal heatsink to radiate heat from it while it works. You can identify it very easly, if you have knoledge in electronic circuts abd printed circuit boards.
Resolder all the solder terminals of this IC first, by applying a little more solder; without making any solder bridge short in between the close adjecent solder terminals, and see whether it helps you. If not replace it with same type and number. OK.

Oct 08, 2011 | JVC AV-20220 TV

1 Answer

JVC 27D201 picture gone except for one bright line across the middle, .5 cm. high


Hello
Vertical output section of your TV is faulty. There are mainly three resons for this fault. The first one is of faulty electrolytic capacitors at the vertical output section circuit. The second one is the vertical output IC. The third one is of loose solder termitals of components at the vertical output section. Resolder most of the solder terminals of this section by applying a little more solder, without making any solder bridge short in between adjecent solder terminals. If this does not help you, replace all electrolytic capacitors at the vertical output section circuit of your TV. There will be 6 0r 7 of them the most. Replace all of the at the same time. They won't cost more. If this does not hlep you, replace the vertical output IC. OK.

Aug 26, 2011 | JVC AV-27D201 27" TV

1 Answer

Will not always power up, just clicks and power light flashes. Vertical retrace lines at top 2" of screen. Keeps shrinking and goes completely away after about 5 minutes.


The JVC sets are well known for this type of problem, the tv has a vertical deflection issue needs a few small parts and a touch up on the vertical ic, causes the set to shutdown. I recommend a tv technician for the repair.

Jan 14, 2011 | JVC AV-27750 27" TV

1 Answer

No video on my JVC AV-30W475 30" flat screen.


It sounds like you have bad solder connections in the Vertical circuit or the horizontal circuit. The Vertical IC may need to be replaced if resoldering does not help.
You will need to call a good TV Tech for this repair.

Aug 09, 2009 | JVC AV-30W475 30" TV

1 Answer

Older JVC 32" TV has lines & fold over at the top of screen. TV is about 6 years old.


Check the vertical section .. You will find few Electrolytick capacitor..replace all with new one or replace the filter capacitor at vertical IC supply..

Jul 10, 2009 | JVC HD-52G787 52" Projection Television

1 Answer

Vertical jitters on picture - JVC AV48P776


What you are experiancing is loss of High voltage. The line is called a retrace line. It is usally caused by failure of the flyback circuit or aging of the TV tube. This is the single most common failure with CRT based display systems. The high voltage can be tweaked up, to accomidate for the age of the tube. Its a short term solution. Because of the high voltage nature of this circuit, suggest a professional repair.

Jun 29, 2009 | JVC AV48P777 Television

3 Answers

TV: bright line across black screen for several hours.


vertical output ic needs to be resoldered. careful leaving that bright line displayed on the screen as this will cause a permanent phosphor burn into the tube. this can not be corrected once burned unless you replace the tube. mch

Mar 08, 2009 | JVC Televison & Video

1 Answer

Jvc av-32wf36--have sound no picture


A bright Horizontal Line indicates failure of teh Vertical deflection Circuits.
Get a competent Technician to have a look.

Nov 30, 2008 | JVC AV-27230 27" TV

1 Answer

Vertical probs


yoyoy, check some leaky capacitor near the vertical chip. some of this caps may have gone out of their value.

Dec 29, 2007 | JVC AV-27020 TV

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