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Power cut, now no t.v. signal, have checked aerial leads

The t.v. was programmed to run through the standard video unit and we have a separate freeview box inside. As we are in the country we have a satellite dish.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 909 Answers

SOURCE: How do i tune freeview on my samsung ps42c7hd tv?

when you press DTV, press menu,setup,tuning and follow the on screen instructions.

Posted on Oct 11, 2009

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  • 458 Answers

SOURCE: I have just moved house to Reading and previously

You will need to have an outdoor aerial installed, the signal area you're now living in will not be a strong enough reception for an indoor aerial no matter how good or expensive. You could try the indoor aerial in different positions around the room especially by a window to try & pick up some other channels but the long term this will cause some of the programmes to break up or freeze. An aerial on the roof or in the attic will be your best solution to pick up all the digital channels on freeview.

Posted on Nov 15, 2009

BElectric
  • 1140 Answers

SOURCE: Hi I have two freeview

Hi,

The problem you describe is called "Digital Cliff Edge" and it's caused by signal loss. I wont go into the specifics of that at the moment as it's not going to help solve your problem. I you want more information about DCE, try an internet search.

As you are using the same aerial and booster/splitter for both TVs, you are correct in ruling these out as the cause of the problem. The fault is probably in the co-ax cables or connections but you might have a faulty freeview box. Please run through the following checks to establish the source of the fault.

1. Swap your Freeview Boxes - you shouldn't need to re-scan/tune as they are running off the same aerial..
If the Freeview box from the TV that is working correctly freezes and stutters on the other TV, the fault is probably in the cables or cable connections. Next, try the "faulty" Freeview box on the TV that is working correctly. If you get stuttering sound and freezing/pixellation you probably have a faulty Freeview box. DO NOT SWAP ANY CABLES FOR THIS TEST.

If the problem is the same after swapping the freeview boxes:

2. Swap any non-fixed cables, e.g the co-axial "fly-leads" and scart cables - one at a time. See if the fault "moves" with the swapped cables. "Fly leads" are the short co-ax cables that link the Freeview box to the TV or the TV to a wall mounted aerial socket. If the fault "moves" with the swapped cable, you have identified the source of the fault and should either repair or replace this cable.

Try these tests first and post back with the results. If you haven't identified the source of the fault, I will try to assist you further.

Regards,
BElectric

Posted on Nov 21, 2010

  • 8909 Answers

SOURCE: how do you tune in

You require a satelite decoder/receiver for your dish and an aerial for your TV.
The choice is yours. Plug a satelite receiver, for freesat, into the A/V input on the TV or have an aerial installed for freeview.

Posted on Jan 19, 2011

SOURCE: There is no signal but

It's either a bad antenna cable (most likely), or the F-connector socket is broken or has come un-soldered inside the se (possible)t. First, try exchanging your antenna cable with a new one. They're inexpensive and tend to fail over time anyway. If that doesn't solve the problem, a technician will be needed to repair or replace the F-connector (the screw-on connecter where the antenna connection screws in on the back of the set). If you're good with a soldering pen and have a nearby electronics store where you can buy a new F-connector socket, you may be able to do it yourself, as it's a very simple repair. If you do not have the skill to make the repair, don't fear, it shouldn't be very costly to accomplish.

Posted on Jul 02, 2011

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My television won't show a picture. There is a blue screen with the sign saying no signal. Is there something I can do to fix it?


It depends on what equipment you have attached. But back to basics, check that your aerial has not got a loose connection. Swap with another lead if you can. On remote, use Source or Input button to scroll to DTV or the HDMI input being used from attached equipment. You may want to swap HDMI to check that connection. If using attached equipment, check Input Select or similar on it. Check aerial connection of attached equipment. If using a signal amplifier for aerial make sure power is on to that. Without more about your setup this will have to do. (If your tv signal is coming from attached equipment check it is turned on.)

Jan 27, 2018 | Televison & Video

1 Answer

No tv channels found on autotune . Aerial is in Loft.


To get a 6 way or 4 way signal, it has to be amplified. Does your splitter have a power connection to it. If you just have one lead going into a block and 6 outlets, that is for a high gain signal to go in that is already amplified. You can test by disconnecting all the leads but one. Use the closest set to the loft and use that one to get the sharpest signal by turning the aerial left and right. It has to be in the right direction and if it is off by just two degrees, you will not get a picture. Also aerials and better situated outdoors for the best signal.

Jun 23, 2017 | Televison & Video

1 Answer

Green tint on screen and can't work player


Green Tint on screen and can't work player
[Color vs Cables]:
Hi Judith.
I can't find your original post or answerer reply, but can answer to your latest question above.
An aerial / ANT connection carries RF, or radio frequency.
This includes the frequency spectrum of radio and TV signals.
An RF carrier is an oscillating wave of high frequency.
The audio and / or composite video information is used to modulate (vary) this carrier about a centre carrier frequency.
In fact, a TV transmission is a complex mix of carrier, AM video, FM audio, Color-burst info, and horizontal / vertical / blanking signals.
Each with their own strength-levels, polartity, and precise timing.
But that's too complex and irrelevant to explain here.
Basically, composite color video contains all three channels of color, which are separated in the reciever/ player electronics.
So an aerial cable fault won't cause a green tint.
You'll just get poor reception.
A SCART cable, on the other hand, is a non-RF separated analogue system of signal wires.
As shown in my design of a SCART tester, Red, Green and Blue each have their own individual wired channels.
So it's likely that your SCART cable needs replacing, or internal connections or circuits have lost R and B, or M.
By viewing the phsycedelic chart, failure of magenta M on a CMYK system can also create green.
To clarify RGB and CMYK colors, attached is the standard color wheel as used in TV and computer.
Hope this helps,
Clive.

colorwheel-k1nwhoq5v5aailvekgzsrwb5-4-0.png

scartavout-k1nwhoq5v5aailvekgzsrwb5-4-2.jpg

Oct 11, 2017 | Televison & Video

1 Answer

I just installed a new Sony XT-100HD HD Radio Tuner for my truck. I wanted it so i could pick up more stations and have them all sound clear. After I hooked everything up to see if it worked all I could...


It is always worth checking the aerial in any case of poor reception.

In the case of a standard mast-type aerial it is necessary for the mast to have very good continuity to the centre of the aerial plug, that the outer part of the aerial plug has good continuity to the aerial ground and thus to the vehicle bodywork and the two parts are electrically isolated from each other. A good independent radio ground connection also helps.

In the case of miniature aerials or those within a windscreen, a rear screen or rear quarter glass, the amount of signal available will be small and so an aerial preamplifier will be provided to boost the signal. The preamp might be part of the aerial or a separate unit fitted anywhere convenient. I once found one fixed to the front firewall behind the dashboard.
The preamp needs a good 12 volt supply and a ground as well as good connections to the aerial coaxial leads. The supply is usually obtained from the radio set so it is operative only when the radio is switched on. Sometimes a radio has a dedicated output but mostly the electric (automatic) aerial output must be used. If the preamp isn't working reception will typically be limited to a few powerful stations.

I hope this helps.

Oct 21, 2017 | Sony XT-100HD HD Radio Tuner

1 Answer

Since digital switchover yesturday loss of digital channels


It may well be your aerial despite the success with your DVD recorder.

Digital signals are very much weaker than analogue ones, and when multiple devices share a single aerial you can get this kind of problem. You also lose about 60% of the signal at each point in your aerial cable where there are signal splitters.

There are a number of possible solutions:-

First, look at every bit of coaxial cable you have between the aerial and each appliance. Check especially at the aerial end for corrosion or poor shielding/installation and especially for evidence of rain water penetration. If the aerial is on the roof then it will cost almost as much to get the aerial inspected as it will to have it replaced, so skip to the next option. But otherwise, check along every bit of the cable for any cuts or splits in the insulation and properly remake every junction or joint if there are any doubts about them. If the cable is in poor condition then consider option three instead.

The second is to try to see if you get a better digital signal from another transmitter, this will involve trying different aerial positions so is impractical if your aerial is roof mounted but is worth trying if it's in the loft instead. It doesn't always follow that your best digital signal will be from the transmitter which you used for analogue transmissions.

Thirdly, if you're still using the same aerial as you have done for years then it's worth upgrading to one optimised for digital reception. When doing this it's foolish not to replace the cabling as well as you need it to be as good as possible. With analogue, many installers got away with using cheaper cable intended only for very short cable runs from the wall socket to the tv.

The fourth option is the budget option but can work as well as the third option: fit an additional analogue style aerials and run a separate cable down to each appliance. If these are fitted in the loft and you have the space, then there's no aesthetic or planning concerns. Normally the extra cables can run partway down through the house alongside existing cables, but for best signal quality keep them separate and ensure that the cable runs as as short as possible.

One further thing which you may want to try before all else: connect your digital box directly to the aerial cable which currently feeds your dvd recorder. Leave all other tv devices disconnected from the aerial. If the box retunes correctly then it's definitely a supply of signal issue as outlined above and if not then you should add the exact make and model of your digibox as a comment to this answer as there are a large number of earlier digibox models which cannot retune correctly due to evolving standards.

Jul 02, 2009 | Sanyo Televison & Video

1 Answer

How to connect a vcr for recording programs


1 - To start with..
Plug aerial lead into the "RF input" on rear of vcr
--> now you can tape programs (providing vc is "tuned" correctly)

2 - Plug a lead from "RF output" into tv's "RF input"
--> now you can watch programs on tv _independently_ of vcr (ie can be watching 1 program & taping a separate one on vcr)

3 - Plug red/white/yellow cable from vcr's "VIDEO/AUDIO output" into tv's "VIDEO/AUDIO input"
--> now you can
1) play a tape in vcr, & watch it on tv
& 2) change what watching on tv via vcr's remote


* Note: This is for analogue terrestial television (aerial on roof), not digital/satellite tv, connecting to stereo, etc, etc (the "more involved " setups)

Feb 03, 2009 | Televison & Video

1 Answer

No colour when digital set top box attached


Ensure the set top box is set to the correct video out. Probably RGB if scart lead or CVBS if coax lead.

Jun 10, 2017 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

I have a CXSGT08HP sony car stereo. It was installed by a friend at home. The memory does not work. Can you tell me which wire is the memory wire and were i need to hook it up to?


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I’m attaching a wiring diagram which hopefully isreadable. I’ll also list the “where to”instructions for all of the other wires. It’simportant that several wiring steps be done in a particular order.

About the Memory Wire:

The memory wire is Yellow and should be connected to the +12 V power terminal (which isenergized at all times). First besure to connect the black ground (earth) lead to a metal surface of the car.

Important…
>>Before making connections, turn the stereo unit and carignition off to avoid short circuits.
>>Connect the yellow and red power input leads onlyafter all other leads have been connected.
>>The power antenna (aerial) control lead (blue)supplies +12 V DC when you turn on the tuner.


Hope this helps. Lemme know if you have more questions or would like me to email you acopy of the owner’s manual.

Thanks, and take care.

Gail :-)
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Connecting the Sony CXS-GT08HP Car Stereo Unit

1. To a metal surface of the car
>First connect the black ground (earth) lead, thenconnect the yellow and red power supply leads.

2. To the power antenna (aerial) control lead orpower supply lead of antenna (aerial) booster amplifier
>Notes
>>It is not necessary to connect this lead if there isno power antenna (aerial) or antenna (aerial) booster, or with a manually-operatedtelescopic antenna (aerial).
>>When your car has a built-in FM/AM antenna (aerial)in the rear/side glass, see “Notes on the control and power supply leads.”

3. To AMP REMOTE IN of an optional power amplifier
>This connection is only for amplifiers. Connecting anyother system may damage the unit.

4. To the +12 V power terminal which isenergized in the accessory position of the ignition switch
>Notes
>>If there is no accessory position, connect to the+12 V power (battery) terminal which is energized at all times.
>>Be sure to connect the black ground (earth) lead toa metal surface of the car first.
>>When your car has a built-in FM/AM antenna (aerial)in the rear/side glass, see “Notes on the control and power supply leads.”

5. To the +12 V power terminal which isenergized at all times
>Be sure to connect the black ground (earth) lead to ametal surface of the car first.

Important…
>>Before making connections, turn the car ignition offto avoid short circuits.
>>Connect the yellow and red power input leads onlyafter all other leads have been connected.
>>The power antenna (aerial) control lead (blue)supplies +12 V DC when you turn on the tuner.
>>When your car has built-in FM/AM antenna (aerial) inthe rear/side glass, connect the power antenna (aerial) control lead (blue) or theaccessory power supply lead (red) to the power terminal of the existing antenna(aerial) booster. For details, consult your dealer.
>>A power antenna (aerial) without a relay box cannotbe used with this unit.

Nov 29, 2008 | Car Audio & Video

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