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5000T reports no or poor signal

Clacksman

New Member
Recent purchase of FVP 5000T. Noticed a lot of freezing and bad signal reports, mostly on SD, also recordings often fail due to no signal. Yet my TV on the feed-through aerial doesn't freeze, and my former Panasonic PVR had no problem (until it died). I have a mast head amplifier with indoor power supply.
Could you give me some advice on how to investigate this problem?
 

Luke

Well-Knwοn Мember
What may be happening s that the FVP-5000T is not tuned into the transmitter which your aerial picks up the best.

For how to approach a retune see https://myhumax.org/forum/topic/manual-tuning-instructions-1

If you first want to work out which transmitter you are tuned to for a particular TV channel, switch to that channel and then within settings check which (UHF) channel is being used on the Signal Test option. Then match that against the results of digiatluk's signal predictor by going to http://www.digitaluk.co.uk/postcodechecker/main/index/dummy/NA/yes and input your postcode and house number; tick the box marked "Detailed view", and looking for the transmitter with that UHF channel number. On the results page the UHF channel numbers are those with the darker grey background.
 
OP
Clacksman

Clacksman

New Member
Thanks for your suggestion Luke. I have followed your instructions and there is no tuning problem. The only decent signal in my region is from the Blackhill transmitter, and the Humax is correctly tuned to this on all channels. The signal test gives 100% on quality and strength on all the channels I have tested so far including the ones which have been subject to freezing and failed recordings. Very difficult to investigate an intermittent issue. I will try a signal test when the freezing next shows.
 

NorthernUser

New Member
Hi Clacksman, I had the same problem with my 5000t, & I also have a mast head amplifier with indoor power supply.
Mine also showed as 100% strength & quality. What it didn’t show was if the signal strength was too high (above 100%). I also got regular freezing & no signal messages.
I purchased a Variable Signal Attenuator, (about £4 on eBay) allowing me to reduce the signal strength to below 100%. This solved the problem straight away!
 

MartinLiddle

Super Moderator
Staff member
The signal test gives 100% on quality and strength on all the channels I have tested so far
I agree with NorthernUser that your signal strength is probably too high. Do you have an amplifier in the aerial cabling? If so try turning down the gain or by passing the amplifier and see if that helps. If not then go down the variable attenuator route and aim for a signal strength around 80%.
 
OP
Clacksman

Clacksman

New Member
I agree with NorthernUser that your signal strength is probably too high. Do you have an amplifier in the aerial cabling? If so try turning down the gain or by passing the amplifier and see if that helps. If not then go down the variable attenuator route and aim for a signal strength around 80%.
There is a mast-head amplifier but I cannot access that so will go for the signal attenuator. I am now wondering why the 5000T is upset by the signal distortion when the TV itself is not? Thanks for your reply
 

MikeSh

Well-Known Member
I am now wondering why the 5000T is upset by the signal distortion when the TV itself is not?
Same reason a Ford might handle differently from a Fiat - they are designed and built differently. There's no reason to suppose that any given model of TV or set-top box will use the same tuner modules. (You can't even assume a Humax 5000 uses the same tuners as a 4000 or other - they might do, but ... )
 

MartinLiddle

Super Moderator
Staff member
I am now wondering why the 5000T is upset by the signal distortion when the TV itself is not?
The most plausible explanation I have heard is that the Humax has more sensitive tuners than most TV sets; this is good for users a long way from transmitters but not good for people close to transmitters or who prior to DSO needed amplifiers.
 

NorthernUser

New Member
That’s great news!
Don’t understand why Humax don’t mention it in their Fault Finding section, or indeed if we contact them for help!
I guess that’s why this forum is so useful!
 

Black Hole

May contain traces of nut
Enthusiast forums are always more effective than helplines staffed by script monkeys. Engineers are too expensive to be allocated to tech support.
 
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