Question about JVC AV-F29MX3U 29" TV

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JVC AV-F29MX3 When I turn the TV on I can see approx 1/3 of the top half of the screen, sound is normal. After approx 3-4 seconds the TV shuts down and the "off-timer and ECO LED's continuously blink. TV is approx 4-5 yrs old. Is it time to buy a new TV??

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You have what sounds like a failing vertical output IC also could be some bad capacitors. If you are able to solder it would cost a few dollars to try this and see if it fixes it. If not you would need to replace the whole board itself and that could cost you a little bit more money. If you need a tech it is time to get rid of it you are looking at at least 200 dollars for repair.

Posted on Feb 06, 2008

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We have an JVC AV-27020 tv that only turns on from being plugged in. Once on it stays for about a minute or two before it shuts off. What do we do? Please help!!


t.s.s. log for jvc televisions - Wa6ati.com

wa6ati.com/Jvc.html
JVC, AV32D200, Dead, Television will not turn on. ... rectifier diodes D922, or D923 the voltage never pops up as soon as the TV is plugged in. ..... deflection collapse after 30 seconds vertical IC okay 9volt regulator being pulled down to 3 ... JVC,AV27020, SYSTEM CONTROL, AV27020 Tech only getting a blue screen no ...

180125 T.V WILL NOT STAY ON: JVC AV-27F702 27" TV

surfstudio.ru.dev.kinday.ru/.../t180125-t_v_will_not_stay_jvc_av_27f70...
Detail: I HAVE A T.V. THAT WILL ONLY STAY ON FOR ABOUT 5 SECONDS BEFORE ... a friend, was working when it left his house, I have place on tv stand,plugged it in, ... My jvc av-32890 makes a click and shuts off 95% of the time. ... JVC AV-27020 TV Blinking LED, Static Electricity on tube but no sound and image.

Nov 08, 2015 | JVC Standard (CRT) Televisions

1 Answer

JVC AV-F29MX3 I was watching a film on my DVD connected to the TV, when suddenly the screen turns black with no sound heard. Also the front light indicating 'ON TIMER' and 'ECO' started blinking in red...


usually after 4 or 5 yrs EHT ( transformer that supplies voltage to tube ) becomes weak - then TV won't get ON.. means no picture no sound ..but LED blinks - in some TVs along with EHT 1 or 2 components like resistor, transistors, etc will also gets deffective .................. so solution is TV circuit board has to be checked to find whether only EHT is deffective or other components are also deffective.......... price of EHT will be between Rs.250 (US$ 5) to Rs.600 ( US$ 12) ........iam from bangalore ( 09986222774, sathyavijayasarathibabu@ymail.com ) .....i don't have any idea about EHT component's price & service charge in your area........this problem cannot be solved by user unless user is a technical person having idea about components (resistors, transistors,diodes,...etc..), having multimeter , soldering iron & other tools...so my suggestion call TV service engineer or contact jvc service centre.........

Apr 21, 2011 | JVC AV-F29MX3U 29" TV

1 Answer

My TV suddenly has a big black rectangle in the lower center part of the screen, that dissapears only for a few seconds when pressing any button. How can I remove it?


Sounds like your Closed Caption has gotten turned on. Try this solution...

1) Press the MENU button
2) Use the CHANNEL UP/DOWN to scroll to CLOSED CAPTION
3) Use the VOLUME UP/DOWN to until MODE is OFF
4) Use the CHANNEL UP/DOWN to scroll to FINISH
5) Use the VOLUME UP to save and exit.

This should make the box go away.

Good Luck.....

Jan 19, 2010 | JVC AV-27F802 27" TV

1 Answer

I have a jvc av-28wft1eks i can see the picture


well take the back off on the transformer should be two adj. pot screen control on top focus on bottom normally try to turn up screen control good luck

Apr 02, 2009 | JVC AV-27530 27" TV

2 Answers

I have a 05 jvc tv 32 inch . I lost my remote temporarily-used the menu on the actual TV to set a timer for the TV to go OFF-turned it on this AM and now i have half of my screen filled with this overlay ....


Try Reseting It Unplug It For 30 Seconds And Then Release And Plug It Back In Once You Go To Turn It On Hold The On/off For 10 Seconds and Then Release. This Will Hopefully Restore The Factory Setting And You Can Determine If Its A User Setting Or Hardware Problem.

Jan 23, 2009 | Standard (CRT) Televisions

1 Answer

Black Box in the center of the picture


It's the text screen
remove by using the top left hand
side button on remote.

help me aftervpower off by cable co installer
now have NO sound
but have the sound register graph rising 0 - 50

Mar 28, 2008 | JVC AV-32330 32" TV

1 Answer

Top of the screen Picture Problem


sound like you have 1 or a couple of leaky/bad capacitors in the tv's vertical circuit, typically, there sould be 5 to 10 caps. in all, but you just need 1 bad one to cause your problem. good luck.

Mar 13, 2007 | JVC AV-27230 27" TV

1 Answer

High pitch crackle buzing sound when set turned on


Did you find a solution because I have the same problem on my JVC?

Nov 14, 2006 | JVC AV-27530 27" TV

1 Answer

Screen split with black bar through center, top of picture shows in bottom


It sounds as you desribe, the vertical output IC and or the b+ feed capacitor off the Hi voltage transformer feeding the vert. IC its required voltage. Not a really hard job to replace, but not for a handi person to do. This should be left to the professional, as there are no user serviceable parts inside this set and with the HI voltage and the safety issues its best to call somesone to assist you with this repair. Good Luck

Jun 14, 2006 | Sanyo DS31520 31" TV

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