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using an old vcr as an rf modulator

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I am trying to view my satellite box on another tv via the coax cable ( I think that's the correct name for the cable) but as the satellite box doesn't have an rf output I have got the satellite box p… Read More
howarth3 Avatar
5m, 4w agoPosted 5 months, 4 weeks ago
I am trying to view my satellite box on another tv via the coax cable ( I think that's the correct name for the cable) but as the satellite box doesn't have an rf output I have got the satellite box plugged into an old vcr via scart then a cable going from 'aerial out' to the second tv. However When I tune the second tv it isn't picking anything up. Do I need to alter anything on the vcr? Thanks
howarth3 Avatar
5m, 4w agoPosted 5 months, 4 weeks ago
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Responses/page:
#1
make sure you are tuning the TV on analogue not digital, if you can play a tape it's easier to identify.
#2
shadey12
make sure you are tuning the TV on analogue not digital, if you can play a tape it's easier to identify.


Ye I'm definitely tuning it on analogue. I've managed to get the satellite box showing on the original tv via the vcr so it's definitely connected to the vcr correctly and the second tv picks up digital channels so the aerial out feature on the vcr works. It's baffling me what's wrong. Would the vcr definitely have an rf modulator if it has 'aerial out' or am I just assuming without knowing properly
#3
been a long time since I have used a VCR, but I seem to recall having to switch the VCR to AV1 or AV2 depending on which SCART socket I connected my Sat Receiver to.
#4
have you tried connecting the UHF/coax lead to the first TV just to check the UHF and lead are OK.
#5
shadey12
have you tried connecting the UHF/coax lead to the first TV just to check the UHF and lead are OK.


No I haven't got a another cable just the one that runs from upstairs to downstairs. Ill try find one and test that though. Thanks
#6
have you got a make and model of vcr
#7
I don't think that would work , the vcr won't give out the signal? from a scart lead ...
#8
shadey12
have you got a make and model of vcr


sony rdr vx410
#9
assuming I have been reading about the correct model it's the one with the vhs/DVD. there is no reason it should not output a signal through the RF/UHF out. if possible connect a scart lead from the vcr to the TV near it then connect the UHF/RF lead to the TV elsewhere. play a DVD or vhs, you should be able to see the picture on your TV next to it, now you know the video player is outputting a signal try tuning the TV plugged in elsewhere.
#10
shadey12
assuming I have been reading about the correct model it's the one with the vhs/DVD. there is no reason it should not output a signal through the RF/UHF out. if possible connect a scart lead from the vcr to the TV near it then connect the UHF/RF lead to the TV elsewhere. play a DVD or vhs, you should be able to see the picture on your TV next to it, now you know the video player is outputting a signal try tuning the TV plugged in elsewhere.


Yep that's the correct model. I have got it plugged in with a scart lead and can actually see the satellite box on the first tv via the vcr. Shall i try it whilst playing a video tape rather than it being on 'line 3' (the satellite box) can't see this would make much Difference would it?
#11
howarth3
shadey12
assuming I have been reading about the correct model it's the one with the vhs/DVD. there is no reason it should not output a signal through the RF/UHF out. if possible connect a scart lead from the vcr to the TV near it then connect the UHF/RF lead to the TV elsewhere. play a DVD or vhs, you should be able to see the picture on your TV next to it, now you know the video player is outputting a signal try tuning the TV plugged in elsewhere.


Yep that's the correct model. I have got it plugged in with a scart lead and can actually see the satellite box on the first tv via the vcr. Shall i try it whilst playing a video tape rather than it being on 'line 3' (the satellite box) can't see this would make much Difference would it?


i would play a DVD or a tape just means if that playing on that TV it's definitely coming from the video. also has the long RF lead got moulded plugs or are they the ones you can take apart.
#12
Downloaded the manual..
It doesn't mention RF out or RF channel setting, so I think it does not have RF out .... the in/out was just to so it could get a signal itself

Edited By: matth9999 on Nov 01, 2016 23:14
#13
matth9999
Downloaded the manual..
It doesn't mention RF out or RF channel setting, so I think it does not have RF out .... the in/out was just to so it could get a signal itself


i did, all 124 pages, it doesn't say it doesn't and I know when they didn't they usually mentioned it. just to check the cables OK you could plug anything else that end with a rf output and try that at least then you would know the cable and the analogue tuning is fine.
#14
The only thing connected into the second tv is the aerial going from the vcr 'aerial out' and it is able to pick up all free view digital channels so I'm presuming the cable must be working fine....?
#15
howarth3
The only thing connected into the second tv is the aerial going from the vcr 'aerial out' and it is able to pick up all free view digital channels so I'm presuming the cable must be working fine....?


looks like it, presuming you have scanned analogue frequency as well as digital, sorry I couldn't be more help.
#16
a lot of vcrs used to have a tuning signal generator which sent a test pattern down the rf line so you could tune your tv and differentiate the signal received from normal analog tv signals, look for a very small switch on the rear of the vcr.
if it works on tv 1 the cabling is correct and the setup does function as you require, its just a case of verifying if its the 2nd tv or the cable at fault.
#17
maddogb
a lot of vcrs used to have a tuning signal generator which sent a test pattern down the rf line so you could tune your tv and differentiate the signal received from normal analog tv signals, look for a very small switch on the rear of the vcr.
if it works on tv 1 the cabling is correct and the setup does function as you require, its just a case of verifying if its the 2nd tv or the cable at fault.


Can't see a small switch anywhere on the vcr. With it being a relatively modern vcr I've read it may be in the menus somewhere but I've checked absolutely everywhere for it
#18
Is you sat box a newer sky box as you can buy a analogue rf output box for it.
#20
#21
https://www.amazon.co.uk/AKORD%C2%AE-Modulator-Channel-Convert-Composite/dp/B00JSRB2QW/ref=sr_1_2?ie=UTF8&qid=1478131477&sr=8-2&keywords=rf+modulator
Looks like you need to use the SCART cable in order to mix down stereo - consumer priced boxes will not have a stereo encoder
#22
howarth3
The only thing connected into the second tv is the aerial going from the vcr 'aerial out' and it is able to pick up all free view digital channels so I'm presuming the cable must be working fine....?


That would only verify the pass-through works. Does the vcr output any on-screen graphics? If so, then it indicates that it simply does not have the ability to send any RCA/svideo/component AV through to the RF system.

What if you do a sample recording off the scart input and then play it back. Does it play over the RF out?

Pops
#23
popolou
howarth3
The only thing connected into the second tv is the aerial going from the vcr 'aerial out' and it is able to pick up all free view digital channels so I'm presuming the cable must be working fine....?


That would only verify the pass-through works. Does the vcr output any on-screen graphics? If so, then it indicates that it simply does not have the ability to send any RCA/svideo/component AV through to the RF system.

What if you do a sample recording off the scart input and then play it back. Does it play over the RF out?

Pops


Thanks for the reply. Sorry what do you mean by 'does the vcr output and on screen graphics?' Not too sure what you mean by that I'm a bit of a noob. I'm now thinking because it's quite a modem vcr they stopped putting rf out capability on as most people had tv's with scart sockets so didn't need to connect to the tv via aerial. Do you think this may be the case??
#24
howarth3
popolou
howarth3
The only thing connected into the second tv is the aerial going from the vcr 'aerial out' and it is able to pick up all free view digital channels so I'm presuming the cable must be working fine....?
That would only verify the pass-through works. Does the vcr output any on-screen graphics? If so, then it indicates that it simply does not have the ability to send any RCA/svideo/component AV through to the RF system.
What if you do a sample recording off the scart input and then play it back. Does it play over the RF out?
Pops
Thanks for the reply. Sorry what do you mean by 'does the vcr output and on screen graphics?' Not too sure what you mean by that I'm a bit of a noob. I'm now thinking because it's quite a modem vcr they stopped putting rf out capability on as most people had tv's with scart sockets so didn't need to connect to the tv via aerial. Do you think this may be the case??
Yes it was meant to be "output any on-screen graphics" but the mobile had another view on what I typed.

I checked the manual and it does have on-screen menus so if you don't see any via the RF/antenna cable but you do via scart/RCA then the RF circuit and the video circuits are separate.

pops

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