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Jvc tv model av dx25,power on but no raster and sound

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  • JVC Master
  • 2,432 Answers

If you want to do it with your own, you will need a proper trouble shooting. which need the right device and tools to do the job and make sure you have at least a basic knowledge in electronic repair. the first place to be check will be the power supply section, you need to have voltage checking weather their is a secondary dc voltage from the power supply section going to the horizontal section. to turn on the other circuit and the flyback transformer. you have to know if their is a 135dc voltage at the power supply section,check at the primary capacitor using a digital tester.

Posted on Nov 28, 2012

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4 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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tvtek
  • 1284 Answers

SOURCE: JVC AV-20F476

Intermittant issues are always the hardest to troubleshoot. It could be a loose connection or a component that breaks down under load or thermally.

Posted on Feb 15, 2007

techman
  • 3130 Answers

SOURCE: dead jvc tv,av-27320

There is most likely the main power supply has several shorted parts in it, depending on how old it is, it might be worth at least an estimate. if you have homeowners insurance, you may want to concider reporting this to them. Good Luck

Posted on Apr 06, 2007

  • 362 Answers

SOURCE: Our 32'' JVC TV model # AV-32030 has an obscured picture.

With the remote go to the Closed Caption menu and make sure it is turned off.

Let me know if this helps
Lone99star

Posted on Apr 03, 2009

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1 Answer

How to fix JVC 21" Tv no raster


Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
Type in this key phrase " my service table today " in the search box at the top right of the display window of the home page, to get gathered some pages which has the details of practical experiences to the author of that site.

Feb 22, 2016 | JVC AV-A21M3U 21" TV

1 Answer

My tv jvc av 27530 has ablue screen and un able to operate by remote or manually so could you help me please?


many of the late model tvs with a crt (picture tube) would go to a blue screen when there is not signal from the cable or antenna so you don't get the irritating white noise and black and white dots running all over the screen, (called the raster), so probably you aren't getting a signal to the tuner. check your connection from the cable/antenna.

Sep 25, 2014 | JVC AV-27530 27" TV

1 Answer

How to fix problem of jvc crt tv model av-21l31 power ok no video/audio no display with lines coming from flayback


Look at the horizontal output transistor then the fly back transformer.Check ALL the voltages coming from the power supply. One or more of them have to be missing for the audio and video to be gone at the same time.

Sep 24, 2014 | Televison & Video

1 Answer

Jvc av-27d502/ar has a blinking on timer light and it wont power on


The power supply on your TV is working good But the other section of your TV is damage the probably from the raster circuit ( horizontal and vertical) or in the video circuit have shorted or open or leak. Isolate the problem one by one so you can see the problem if your know how to do it but let the service personnel do it for you. Labor cost is cheap but the spare part someone like good. You will be much luck if you can find that spare.

Sep 24, 2011 | JVC AV-27D502 27" TV

1 Answer

No picture,no display ,no raster


hi there! check the following:
interlock switch, power line into the reciever, power line fuse, open heater in series.

Feb 10, 2011 | JVC AV-27230 27" TV

1 Answer

How to find JVC AV27320 headphone jack? I've plugged into the avs(red & white) in the front panel as well as the extra ones in the back. Altho - I CAN hear the sound thru the headphones, The external...


This model doesn't have a headphone jack. The only JVC TV in the series that does is the model AV-20D202. For the JVC AV-2732, use the RCA audio out jacks with an RCA to 3.5 mm adapter to connect to the headphones. The front audio jacks are audio in (for the audio from a video camera for example).

When you use any external speakers or headphones through the audio out jacks, make sure to turn off the TV speakers. Press Menu and navigate down to TV Speakers (up/down arrows). Then use the right/left arrows to select Off and then Exit the menu. Make sure you scroll the TV volume before doing this. Note: if your headphones do not have a volume control they are a bad choice for this type of audio output.

You can find the manual for the TV here: http://books.jvc.com/booklist.asp?Model=AV-27230 .

I wish that I had better news for you.

Cindy Wells

Jan 06, 2011 | JVC AV-27320 27" TV

1 Answer

Fuckin jvc tv will not turn on and its really


Try to unplugged to the power outlet for 2 minutes, and then power on. Or for the meantime if it have protection circuit like surge protector disconnect that for the meantime. And then power it on.

If not there's maybe a high voltage circuitry problem if this is a crt type tv.

Apr 30, 2009 | JVC AV-27D502 27" TV

1 Answer

Lost sound on JVC TV


http://www.amazon.com/JVC-AV-48WP30-Widescreen-HDTV-Ready-Rear-Projection/dp/B000066R7X

Cut and paste this link. Amazon's page has a link to the JVC manual. That'll tell you what you need to know

Jan 21, 2008 | JVC AV-48WP30 48" Rear Projection...

2 Answers

Jvc tv on button flashing on av 48wp34


Use remote, sounds like Tv is in child lock

Dec 21, 2007 | JVC AV-48WP30 48" Rear Projection...

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