Does the JVC AV27230 require a digital to analog converter?
I have the JVC AV-27230 TV. Does this unit have a digital or analog tuner. I always thought it had a digital tuner but now that I am not receiving any picture through my rooftop antenna I am not sure and I do not want to purchase a digital to analog converter box if not necessary. Is there a setting I need to deal with or do I need a converter box?
Re: Does the JVC AV27230 require a digital to analog...
If you are going to continue using the rooftop antenna, then you will nee to purchase a digital converter box. Those television sets are only analog. You do have an option to get Directv or Dish network and you will not need a converter box at all. Directv and Dish network are 100% Digital and the receivers work as converter boxes for that product only.
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What specific model of JVC multi-system TV do you have? What is the signal source?
The majority of the JVC multi-system TVs that I've researched only have analog tuners (NTSC, PAL). The AV-29LX is an example of the older JVC TVs. Since most over-the-air signals are digital, you will need a digital-to-analog OTA signal converter to watch any signal from an aerial TV. If you have a cable system that has upgraded to digital cable, you will need a cable box.
This JVC TV has an NTSC (analog) tuner. So it can only receive some of the few remaining low power tv stations that are still using analog transmitters. Depending on your location, you may not have any of these stations within the range of the antenna.
You need an digital-to-analog tuner to get additional channels. Use tvfool.com or antennaweb.org to check for stations in your area and the appropriate direction to point that antenna. (You may need an amplifier since digital stations are either sufficient signal for the tuner to use or you get "no signal".)
Please note that the d-t-a tuners that were available with the government coupon cards only handles standard definition signals (480i). The HD tuner digital to analog converters are available at some online sites but cost more.
I hope this helps.
Cindy Wells (you can use a tuner in your computer (USB or PCI card), but you will need a converter unless your video card can put out a signal other than RGB. The HDMI port on the TV will not interface directly with a computer.)
You may have a power supply issue and at the flyback transformer . There also may be components in the circuit surrounding the fly-back that are malfunctioning. The issue points to a repair at the board level. A tech will be able to determine this with test where the issue is on the main board. I hope this helps.
I have the JVC AV-27020 and had to download the manual just today. I checked where I got my manual and they did not have anything for an ACV-27020. The link for the TV manual I downloaded is below. Maybe it will help.
Your posted description is a known (common) problem for the JAV-27230 and should be easily repaired. The vertical capacitor (C424 - 100uf/35V) needs to be replaced. It is relatively cheap and can be bought from any electronics parts store.
in some instances, it could be the vertical IC starting to fail or even a simple case of cold solder.
As always, extreme care when repairing the insides of a TV unit since HV can still be present even when off and unplug. A little knowledge of electronic components and use of a soldering iron should do just fine. Should you not be comfortable doing a DIY, then perhaps you can ask the assistance of a buddy who has some soldering experience.
Hope this be of some help/idea. Pls post back how things turned up or should you need additional information.