Losing signal on sky box at 9 o'clock at night

radicaldoc

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Here is a strange one my mate is Loosing signal on sky box at 9 o'clock at night every night..this is his SKY HD+ box he has a 8 way lnb and all other boxes are good he has a couple of normal SKY boxes on and freesat boxes..None of them are effected only his Main Box. The box just says it is receiving no signal.....
Anyone have any ideas?
 

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What Make/Model of box is it, exactly?

Thomson?
 

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Is it a Thomson HD box? They are notorious for the capacitors drying out in the power supply which gives some strange problems.

Repair kits are available.

EDIT - Snap!
 

radicaldoc

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i will check....
 

Lazarus

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And the other thing to do is swop some boxes around to determine whether the effect is native to the (likely Thomson) box or is associated with the two feeds to it's location.
 

radicaldoc

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How do i find out which is which the model on the bottom is DRX890 R
 

Lazarus

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That's an Amstrad.

Mind you, that doesn't necessarily alter the diagnosis.

So now you need to establish if the fault follows the box ......................
 

radicaldoc

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Thanks i am up there tomorrow to check his cables etc. and move it round to see what happens.....Just odd every night it happens and no problems at all anyother time.
 

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Where about are you UK or Spain - - and what channel(s) are affected?
 

radicaldoc

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Analoguesat said:
Where about are you UK or Spain - - and what channel(s) are affected?
We are south of just south of Jaen and he looses all signal.. Which is the odd thing.
I loose the channel 5's at times but all others solid
 

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It could be that the Amstrad's Tuner is a bit deaf compared to the other boxes.

But a few swap-arounds will help home in on the true cause.
 

radicaldoc

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It has only started doing it this last week or so....
 

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radicaldoc said:
It has only started doing it this last week or so....
Bingo - there have been some frequency swaps the last few days. Many 2B channels have either moved to the Astra 1N Pan European beam or the 2A north beam

Nowt you can do about it - live with it or cancel your subs.
 

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Various Channels are being shifted around right now, so that could account for the recent nature of the issue - or it could still be a latent box failure.

If it were entirely down to the space snooker, I'd expect the other boxes to be affected too, though: So you still need to do swaps.
 

radicaldoc

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well found one problem it seems that he was having trouble recording as well. after going through everything ...checking signal on the two feeds from the LNB one was down a lot and wasn't even showing anything on the signal strength screen on input 2. that was last night. Today i went back with meter and checked all 8 LNB outputs.. All good so back down to check cable ends again this time with light so i could see and input 2 had burnt out inside the f connector was all burnt out. once i cleaned end of the cable and put a new F connector on checked it from the LNB Signal equal to the other it appears it has burnt out inside the box....So he has to sort that out with his installer..
 

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Burned out?? Theres less than 20v flow through the cables so its unlikely to have burned out.

If the inside of the connector was green thats copper corrosion due to poor weatherproofing
 

radicaldoc

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No this was in the connector in the back of the box and it had melted end of the copper coming into the box from the F connector..Inside the actual connector on the box is black and charred....
 

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There should be short-circuit protection for the LNB sockets on the Amstrad, so disconnect it from the Mains for a bit, then boot it up again and see if it has reset now that you've cleared the cause.

Edit: Just seen your response. Scrub mine!
 

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Blimey never heard of that happening before :D
 

radicaldoc

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Tivù said:
There should be short-circuit protection for the LNB sockets on the Amstrad, so disconnect it from the Mains for a bit, then boot it up again and see if it has reset now that you've cleared the cause.

Edit: Just seen your response. Scrub mine!
I dont think that would be of use as its actually completely burnt out inside you can't make a connection because there is nothing to grip the copper when you put it in..
 
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