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Getting HDMI into an old TV - low cost reliable ways?  

 
EmleyMoor
(@emleymoor)
Busy V-Ratter Registered

Having had the disaster already of a terrible HDMI to RF modulator (not the HD68), I am looking for ways to get an HDMI signal into a UHF-only PAL I TV, to allow for alternative sources rather than just a Sky box.

I have read a thread on here about the HD68 and am thinking it is best avoided, so I am now wondering:

(a) Is there actually a good single step way to convert HDMI to RF?

(b) Is there any specific advantage to doing it in two stages (HDMI to AV, then AV to RF)? Any suggested equipment?

Alternatively, can the HD68's problems be fixed easily?

"Yes, a bit of wet string may get you a good TV signal here on four channels, but you'll have to dry it out to get Channel 5!"

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Posted : 08/03/2020 9:08 pm
mfd70
(@mfd70)
Trusted V-Ratter Registered

I've had a couple of tries at this, mainly to use a chromecast. I found a really low cost unit on ebay, but this would only cover channels 2 and 4 VHF lo, but it worked well. I've also used a cheap HDMI to CVBS converter, this will do PAL or NTSC and is USB powered, I checked the PAL spec on a Tek VM700 and it looked good. Then I finally got a HD68 and a similar looking unit with just audio and video inputs which I use for workshop distribution from a freesat tuner. All seem to work well and I didn't pay more thatn £15 for any of them. The blue cased units have mains power supplies which I don't like the look of, so neither of them is left powered when not in use. Pictures below;

IMG 0300
IMG 0297
IMG 0298
IMG 0296
IMG 0299
IMG 0301
IMG 0303
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Posted : 08/03/2020 10:11 pm
EmleyMoor
(@emleymoor)
Busy V-Ratter Registered

I have tried one like the first picture but it did have multiple channel outputs in UHF - couldn't get any sound but this may have been a source fault, and the picture was terribly grainy. The dodgy power supplies in HD68 and M69 concern me. I am, however, thinking along lines of a Philex SLxRF modulator now. Any word on those would be much appreciated. Yes, they are a little more expensive, but may possibly be of better build quality? With an HDMI to CVBS converter connected to its input, such as the one you show, that would probably work rather well.

"Yes, a bit of wet string may get you a good TV signal here on four channels, but you'll have to dry it out to get Channel 5!"

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Posted : 08/03/2020 11:47 pm
Alastair
(@alastair)
Reputable V-Ratter Registered

HDMI2AV box as shown above plus old VHS (or Beta) machine.

You have the option to record should you want to on these lines. I have a fairly recent Panasonic DVB VHS/DVD recorder that had no RF output other than pass through. It got modded with an additional RF mixer/modulator/pass through module ex Mitsubishi VHS. It works really well at HDMI to AV then to RF Ch36.

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Posted : 10/03/2020 11:44 pm
EmleyMoor
(@emleymoor)
Busy V-Ratter Registered

@alastair Unfortunately my supply of video recorders with RF out is zero - they were all disposed of a few years ago by various people. It would have formed part of the solution if I had had one to spare

 

 

"Yes, a bit of wet string may get you a good TV signal here on four channels, but you'll have to dry it out to get Channel 5!"

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Posted : 13/03/2020 8:35 am
EmleyMoor
(@emleymoor)
Busy V-Ratter Registered

Just ventured into my loft in search of Belling leads and connectors, only found a coupler. I know I've got a bag with at least one, if not two, CT100 leads with high quality connectors on them somewhere... but if I don't find it, I'm just wondering where might be good and quick to obtain more from these days. I used to use Maplin in urgent cases before.

"Yes, a bit of wet string may get you a good TV signal here on four channels, but you'll have to dry it out to get Channel 5!"

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Posted : 14/03/2020 12:58 pm
Mikey66
(@mikey66)
Trusted V-Ratter Registered

If you want a JVC Svhs VCR to use as an RF mod EmleyMoor....

 

PM me & I can let you have one

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Posted : 14/03/2020 2:09 pm
Nuvistor
(@nuvistor)
Famed V-Ratter Registered

Any local as opposed to Maplin type shops near you. I have one nearby about a mile away, sells many types of leads and plugs, fuses some washer spares etc. The shop is a white goods and TV shop. Very friendly and try to help if possible, I would rather go there for new items, fridges etc to attempt to keep them open.

 

Frank

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Posted : 14/03/2020 2:16 pm
Katie Bush
(@katie-bush)
Famed V-Ratter Moderator

A bit big and bulky, some might say, "clunky", but I have and aged Sanyo LCD TV that can output CVBS + Audio via one of its SCART sockets. In effect, it made a pretty good standards converter! (HDMI to 'Standard Definition'). I don't know if any other makes/models had that capability, but I doubt very much that it would be exclusively a Sanyo/Vestel feature.

The set's screen is kaput now, but it was loaded with useful features that y more modern sets just don't seem to have. It was handy for recording 'off air' to my DVD/HDD (PVR) recorder.

If it ain't fixed, don't break it!............

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Posted : 14/03/2020 8:55 pm
EmleyMoor
(@emleymoor)
Busy V-Ratter Registered

@nuvistor There is a local satellite TV specialist I am considering asking, at least for the cable.

 

"Yes, a bit of wet string may get you a good TV signal here on four channels, but you'll have to dry it out to get Channel 5!"

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Posted : 14/03/2020 11:26 pm
EmleyMoor
(@emleymoor)
Busy V-Ratter Registered

Well, I now have an HDMI2AV - tested and apart from a slight tendency for the standard switch to flip to NTSC - which I will probably fix with sticky tape if necessary - it works. Was able to find sufficient leads and connectors to feed it into my existing TV.

My search for a double phono lead also caused me to find my stash of Belling leads - I have fetched a few down and will test them and leave one on the Sky box's RF OUT 2 in preparation for the arrival of the Hitachi TV - of course, that has been delayed.

"Yes, a bit of wet string may get you a good TV signal here on four channels, but you'll have to dry it out to get Channel 5!"

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Posted : 26/03/2020 4:55 pm