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245 posts

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Topic # 151222 18-Aug-2014 11:36
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We’ve just set up freeview on the bedroom on the spare TV – using a HD freeview box

 

I initially set it up with RCA leads from the freeview box to the TV, but in the weekend bought a small HDMI lead. However, now I’ve done this freeview doesn’t work on TV3 or FOUR, but works well on the other channels. I tried another HDMI Cable with the same effect.

 

Using the RCA leads all channels work fine, but I want to keep the RCA in on the back of the TV for plugging in the old VCR player

Anyone know why this happens on TV3 and FOUR only with the HDMI cable?

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  Reply # 1110377 18-Aug-2014 11:55
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Does the box report no/poor signal or does the tv say no hdmi signal?




Richard rich.ms

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  Reply # 1110394 18-Aug-2014 12:03
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What signal does Freeview output for TV3/4? I remember 1/2 being 720p I think and 3/4 being 1080i or something like that.

Might be your TV not supporting the output signal of those channels. Wonder if you can change it on the Freeview box?

Matt.

 
 
 
 


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  Reply # 1110408 18-Aug-2014 12:21
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1/2/3 are 1080i. FOUR is 576i. 720p transmissions ceased in September 2010.




Ross

 

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  Reply # 1110441 18-Aug-2014 13:02
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when HDMI cable is plugged in picture goes all pixilated and freezes - then comes up 'no signal' - only on TV3 and FOUR... all other channels work fine
when I set it up (RCA cables) I just did an Auto Tune to tune all the stations in

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  Reply # 1110446 18-Aug-2014 13:08
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Ok so your hdmi cable is radiating interference that the rf cable is picking up.

You didn't get the antenna cable from a 2 dollar shop did you?




Richard rich.ms



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  Reply # 1110469 18-Aug-2014 13:48
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richms: Ok so your hdmi cable is radiating interference that the rf cable is picking up.

You didn't get the antenna cable from a 2 dollar shop did you?


No - the antenna cable I've had for a few years now and have not had any issues with it, and like I said it is only TV3 and FOUR that don't work with the HDMI cable

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  Reply # 1110506 18-Aug-2014 14:20
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It's clearly getting interference from somewhere and there are plenty of thin cheap nasty rf cables out there so I would suggest first off replacing the cable from the wall to the set top box with a decent quality one.




Richard rich.ms

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  Reply # 1110525 18-Aug-2014 14:34
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If its not a fly lead (as stated in other thread) you at least need to terminate with an F type (using a crimping tool) and F type to Belling Lee adapter or a one piece equivalent.




Ross

 

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  Reply # 1110578 18-Aug-2014 15:36
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Perhaps an HDCP issue?

Didn't know TV FOUR is now broadcast in HD.

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  Reply # 1110580 18-Aug-2014 15:41
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zaptor: Perhaps an HDCP issue?

Didn't know TV FOUR is now broadcast in HD.


It's not.

Does sound like the HDMI cable is interfering with the RF signal. I'd say the other channels on that Mux are playing up too (OP can you check TV3+1 and FOUR+1?)

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  Reply # 1110583 18-Aug-2014 15:44
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trig42:
zaptor: Didn't know TV FOUR is now broadcast in HD.


It's not.


Ah, this page must be wrong then:
http://www.freeviewnz.tv/equipment-installation/what-do-i-need/freeviewhd.aspx


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  Reply # 1110588 18-Aug-2014 15:51
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trig42: Does sound like the HDMI cable is interfering with the RF signal. I'd say the other channels on that Mux are playing up too (OP can you check TV3+1 and FOUR+1?)


Wouldn't we see the same issues with TV1/2? (just curious)


EDIT: Sorry, re-edited. My bad, didn't read response correctly.



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  Reply # 1110824 18-Aug-2014 21:02
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trig42:
zaptor: Perhaps an HDCP issue?

Didn't know TV FOUR is now broadcast in HD.


It's not.

Does sound like the HDMI cable is interfering with the RF signal. I'd say the other channels on that Mux are playing up too (OP can you check TV3+1 and FOUR+1?)


yes TV3 +1 and FOUR + 1 are the same as TV3 and FOUR

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  Reply # 1110845 18-Aug-2014 21:38
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zaptor:
trig42: Does sound like the HDMI cable is interfering with the RF signal. I'd say the other channels on that Mux are playing up too (OP can you check TV3+1 and FOUR+1?)


Wouldn't we see the same issues with TV1/2? (just curious)


EDIT: Sorry, re-edited. My bad, didn't read response correctly.


Not nessacarily as the interference from hdmi will be a function of the pixel clock. Try changing to a 720 or 480 p output and see if it changes at all.




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  Reply # 1111032 19-Aug-2014 08:27
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have you also tried the box and HDMI lead on another TV to see if it does the same thing

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