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TV antenna repair on a Perth roof by Sky Signal WA

May 3, 2026

TV Antenna Repairs Perth - Common Problems & Real Costs

If your TV reception has gone bad, the first instinct is usually to blame the antenna.

Sometimes that is right. Plenty of old Perth antennas are rusted, loose, storm damaged or just past it.

But not every reception fault needs a full replacement. A lot of problems come from water in the cable, corroded connectors, bad splitters, failed amplifiers or a loose wall point.

Good antenna repair is diagnosis first. Guessing gets expensive.

Signs your antenna system needs repair

Common symptoms include:

  • picture breaking up into blocks
  • sound cutting in and out
  • channels missing after a retune
  • some TVs working but others not
  • reception worse in rain or wind
  • problems only at night
  • one room losing signal after another TV point was added
  • antenna visibly leaning, rusted or moving

If the issue started after a storm, roof work, renovation, new TV point, pest activity or someone moving cables around, mention that when you call. It helps narrow the fault faster.

The most common TV antenna faults

Water in the cable

This is a big one.

If water gets into coax cable or connectors, the signal can slowly get worse. Sometimes it works on dry days and fails in wet weather. Sometimes it kills certain channels first.

The fix may be replacing the damaged section of cable and weatherproofing the connector properly.

Corroded antenna connector causing TV reception problems

Corroded connectors

Perth coastal suburbs are rough on outdoor gear. Salt air gets into everything eventually.

Corroded connectors can cause weak or unstable signal. The antenna might still be fine, but the connection is not.

Splitter failure

A splitter sends the antenna signal to multiple rooms. If it is old, cheap, water damaged or the wrong type, reception can suffer across the house.

This is common when people add extra TV points without checking the full system.

Amplifier failure

Masthead amplifiers and power supplies can fail.

When they do, you might lose most channels suddenly, or the signal may become weak across every TV point. Sometimes people think the antenna is dead when the amplifier is the real problem.

Cable damage

Cables get damaged by heat, rats, possums, renovations, roof work and age.

Crushed, kinked or chewed cable can create faults that come and go. The outside of the cable might look fine while the signal is rubbish.

Storm or wind damage

High wind can move the antenna, loosen a mast or damage old brackets. Even a small movement can affect reception if the signal is marginal.

After a storm, do not climb up to check it yourself. Roofs are not worth a broken leg.

How to diagnose without getting on the roof

Before you call, you can do a few safe checks.

1. Check more than one channel.

If only one channel group is missing, that tells us something.

2. Check more than one TV.

If every TV has the same problem, the fault is likely before the splitter or at the antenna. If only one room has trouble, it may be the wall point or cable run.

3. Retune only after checking the signal.

A retune can sometimes make things worse if the signal is weak because the TV may delete channels it cannot see at that moment.

4. Look from the ground.

If the antenna is leaning, broken or obviously loose, mention it. Do not climb up.

5. Think about timing.

Did it start after rain? After a new TV? After roof work? After pests? That clue matters.

Testing TV signal quality during antenna repair in Perth

Be careful with retuning

Retuning is not a repair.

If the antenna signal is weak and you retune the TV, the TV may fail to find channels that were already marginal. Then the problem looks worse because the channel list has changed.

If the picture was breaking up yesterday and channels are missing today, leave the retune alone until the signal has been checked. Fix the signal first, then tune the TV properly.

Repair or replace?

Repair is usually worth it when:

  • the antenna is modern and in good condition
  • the problem is a connector, splitter or wall point
  • only one cable run is faulty
  • the amplifier or power supply has failed
  • the mount is secure and the antenna is aimed correctly

Replacement is usually better when:

  • the antenna is old and rusted
  • the mast or brackets are unsafe
  • the cable is badly weathered
  • multiple parts of the system are failing
  • the antenna was wrong for the area from the start
  • repair cost is getting close to replacement cost

I will not tell you to replace a whole system if a simple repair will do. But I also will not patch up junk and pretend it is a long-term fix.

What affects antenna repair cost?

The cost depends on the fault and access.

Things that affect price include:

  • roof height and safety
  • tile vs tin roof
  • whether the fault is inside or outside
  • cable replacement length
  • number of TV points
  • whether a masthead amplifier is needed
  • whether the antenna needs re-aiming
  • whether the old gear is worth saving

The cheapest job is usually a simple connector, wall point or splitter fault. The more expensive jobs involve roof access, long cable runs, amplifier replacement or full antenna replacement.

The right way is to diagnose first, then price the fix.

Can insurance cover storm damage?

Sometimes, yes.

If your antenna or mast was damaged in a storm, it may be part of an insurance claim depending on your policy and excess. Take photos from the ground if safe. Do not climb onto the roof for pictures.

I can inspect the antenna, explain what failed and provide a clear repair or replacement quote.

Why signal testing matters

Digital TV is not like the old analogue days where a weak signal just looked snowy.

Digital reception can look perfect one minute and fall apart the next. That is why signal quality matters as much as signal strength.

A proper repair includes testing with a meter, not just turning the TV on and seeing a picture.

If the signal is only barely passing, it may fail again in bad weather. That is not fixed.

What happens after the repair

After a repair, I want the system tested at the outlet, not just at the antenna.

That matters because the signal still has to travel through splitters, cables and wall plates before it reaches your TV. A roof-level signal can look fine while one bedroom point is still bad because of a damaged cable or loose wall plate.

The finished job should give you clear channels on the TVs you actually use. If there are multiple points, they need to be checked properly.

Repaired TV antenna and secure cable on a Perth roof

Same-day antenna repairs in Perth

If your TV reception is breaking up, missing channels or failing after rain, call or text Andrew at Sky Signal WA.

I handle TV antenna repairs across Perth, Mandurah, Bunbury and the South West. I will test the signal, find the actual fault and tell you whether repair or replacement is the smart move.

No guessing. No scare tactics. Just get the reception working properly.

Need TV Antenna Repairs in Perth?

Call or text Andrew for same-day service. I diagnose first, then give you the honest option.

0468 090 090