I had to change my digital cable box. it appears to be an identical motorola box (comcast). when they reset the signal the vid 1 will not come on. games and dvds are vid 2 - 4. they work. i can watch my tv on ant a. any ideas on why i cannot watch tv on vid 1. vid 1 is where the hd channels are best viewed. no channels are coming up on vid 1 at this time, it is a black screen with no sound.
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Re: hitachi ultravision 50v500
There should be 3 sets of video rca jacks on tv or receiver they might have put them on the wrong rca jack in which they just need to be moved over
usually the 3rd set of rca jacks are component jacks not for tv or video but for low output signals say like cameras and only one set of rca's can be used at a time svg on one of them rca's will over power the vid's. so have no picture
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The tv problems known as a convergence problems,it dead.The colors lines R,G,B mis alignment,have shadows colors pictures or 3D pictures.The tv convergencce board require changing 2 STK convergence ICS and some or all it resistors are dead.The shop,will cost $300-350 for parts and labors.
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You need to upgrade to the high definition
cable box---but first try this. Hook the cable from the wall directly to the tv
and autoprogram it. If Comcast is anything like charter they transmit the local
Hd channels in a format that digital tuner will pick them up. Just channel
up/down and check out the channels with -1 and -2's behind them. Depending on
where you are----your local channels will usually show up wherever they
normally do but with a -1 behind it.
EX: local Fox channel on 47---autoprogram and check 47-1
If this is enough HD for you then get a two way spitter and hook your box back
up and keep using the RCA (composite) cables for the best it can produce.
DTR's are available everywhere. You can also go online and purchase one if your local stores do not have. Also, keep in mind that the splitter you use must comply with the signals unless you use the Video output of DTR.
This TV will need a converter box. It was made in the days before the digital tuner was required on big TV sets.
Just remember the converter is only needed if you get off-the-air reception with an antenna for local channels. If you have cable or satellite and get your local channels that way, you don't have to do anything. The change to digital will not affect you.
If you are now using rabbit ears or an old worn-out outside antenna, you might think about upgrading your antenna when you get a converter box. Signal strength is very important with the new digital broadcasting. Too weak a signal means no picture at all or one that freezes up or turns blocky. The antenna that worked for analog may not be adequate for digital.
Digital signal requires all connections to be snug.. double check them. Also if you have splitters in the line, make sure that they are rated for digital, good quality (you get what you pay for) and the mhz is rated for 2 gig or better... if probems persist, you can install a digital cable signal booster... Amazon sells a motorola model that will boost the signal 12x. Got one this week and works great... Good luck on this, let me know how it goes.. KEN
Normallly, if the format button on the remote for the television does not achieve the desired affect, then, a cable box or a satelite box is where the change needs to be made.
A Motorola Cable box needs to be set up to go to a wide screen when an analog signal is detected.
It's difficult to determine the repair without knowing the hook up of the peripherals.
Hope this helps.