Professional LNB and Cable Replacement in Centurion & Pretoria East
Faulty LNB or damaged cables causing signal loss? We replace with premium components for reliable, crystal-clear reception.
📋 Free signal check | 12-month warranty | Premium components | Same-day service
Why LNB and Cable Replacement Matters
Your DStv signal quality depends on two critical components: the LNB (Low Noise Block) mounted on your satellite dish, and the coaxial cables that carry the signal to your decoder. When either fails, your viewing experience suffers.
📡 WHAT IS AN LNB? The LNB is the small arm at the front of your satellite dish that receives the signal reflected by the dish and converts it to a frequency your decoder can use. It’s exposed to the elements 24/7 and is one of the most common failure points in any satellite system.
As reliable DStv installers in Centurion with over 17 years of experience, we’ve replaced thousands of faulty LNBs and damaged cables. We understand the specific challenges of our region – from extreme summer heat to heavy rains and strong winds that can damage equipment.
Signs you may need LNB or cable replacement:
- Intermittent signal loss – Picture cuts out randomly, especially during weather
- Missing channels – Some channels work, others don’t
- Pixelation and freezing – Picture breaks into blocks or freezes
- Error codes – Especially fixing the E48-32 signal error
- Visible damage – Cracked LNB housing, chewed or frayed cables
About our satellite technicians – we’re experts in diagnosing and resolving signal issues.

LNB Types We Install
Choosing the right LNB for your system
Single LNB
Basic LNB with one output – supports one decoder. Ideal for single-TV setups where only one decoder is used.
Best for: Single TV installations, holiday homes
Quad LNB
Four independent outputs – supports up to four decoders or Extra View setup with multiple viewing points. The most common choice for modern homes.
Best for: Most homes, Extra View systems
Octo LNB
Eight outputs – supports up to eight decoders or complex multi-room setups. Ideal for larger homes or small commercial installations.
Best for: Large homes, dual-occupancy, small businesses
💡 UPGRADE OPPORTUNITY: If you’re experiencing signal issues with an older single LNB and planning to add more TVs, upgrading to a quad LNB during replacement is cost-effective. We’ll advise on the best option for your needs.

Cable Replacement: Why Quality Matters
The cable connecting your dish to your decoder is the backbone of your DStv system. Poor quality or damaged cable can cause:
- Signal loss and pixelation
- Intermittent channel dropouts
- Complete signal failure
- Moisture ingress damaging connectors
- Interference from nearby electrical cables
Our Cable Standard:
- RG6 quad-shield coaxial cable (industry standard)
- Compression fittings for weatherproof connections
- Proper grounding to prevent interference
- UV-resistant outdoor rated cable
Common Cable Problems We Find:
- Rodent damage: Rats and squirrels chew through cables
- UV degradation: Sun damage causes cable jacket to crack
- Water ingress: Moisture in connectors causes corrosion
- Physical damage: Garden work, renovations, accidents
- Lightning strikes: Surge damage to cables and LNB
During our visit, we test your entire cable run for signal integrity and identify any problem areas.

Our LNB and Cable Replacement Process
Professional diagnosis and quality workmanship
Signal Diagnosis
We use professional signal meters to measure signal strength and quality at multiple points – at the LNB, along the cable, and at your decoder. This pinpoints exactly where the problem lies.
Component Selection
Based on your system requirements, we select the appropriate replacement LNB (single/quad/octo) and cable. We only use premium components that meet or exceed DStv specifications.
LNB Replacement
We safely remove the old LNB, check the dish arm for damage, and install the new LNB with weatherproof seals. All connections are made with care to prevent future issues.
Cable Installation
If cable replacement is needed, we run new RG6 quad-shield cable from the dish to your decoder, using proper routing and protection. All cables are concealed where possible for a clean look.
Dish Realignment
After LNB replacement, we realign your satellite dish for optimal signal reception. Using professional signal meters, we achieve the strongest possible signal. View our satellite alignment guide →
System Testing
We test every channel, verify signal quality, and ensure your system works perfectly before we leave. We also check for common DStv signal problems and address any issues.
Why Choose Our LNB and Cable Replacement Service?
✅ Certified Satellite Technicians
Our team has extensive experience diagnosing and repairing satellite systems. We know exactly what to look for and how to fix it permanently. Meet the repair specialist who leads our team.
🛡️ 12-Month Warranty
All LNB and cable replacements come with a comprehensive 12-month warranty on parts and labour. If issues recur, we return at no cost.
📊 Professional Signal Testing
We don’t just replace parts – we verify the repair with professional signal meters, ensuring optimal signal strength and quality.
🌧️ Weatherproof Installation
All external connections are properly sealed against the elements, preventing future moisture damage and corrosion.
⚡ Same-Day Service
Most LNB and cable replacements can be completed same-day for calls before 2 PM. We get your signal back quickly.
📍 Extensive Coverage
We serve the entire Centurion and Pretoria East region. Areas where we repair satellite systems – check if we cover your suburb.
What Our Customers Say
“Had intermittent signal loss for months. Two other technicians couldn’t find the problem. These guys diagnosed a faulty LNB and replaced it within an hour. Perfect signal ever since. Highly recommended!”
“Our cable was damaged during garden work and we lost all signal. The technician arrived same day, replaced the damaged section with proper RG6 cable, and had us back watching within an hour. Professional service at a fair price.”
Areas We Serve
Professional LNB and cable replacement throughout Centurion and Pretoria East
📍 Centurion Areas:
- Centurion Central
- Midstream DStv installers
- Lyttelton Manor
- Highveld
- Eldoraigne
- Rooihuiskraal
- Zwartkop
- Irene
- Clubview
- The Reeds
📍 Pretoria East Areas:
- Pretoria East satellite technicians
- Garsfontein satellite installation
- Faerie Glen
- Moreleta Park
- Silver Lakes
- Mooikloof
- Lynnwood
- Waterkloof
- Wapadrand
- Constantia Park
Not sure if we service your area? Contact our LNB replacement specialists – we cover the entire region!
LNB and Cable Replacement FAQs
LNB replacement typically costs:
- Single LNB replacement: R450 – R650
- Quad LNB replacement: R650 – R850
- Octo LNB replacement: R850 – R1,200
Cable replacement is additional if needed (R350 – R800 depending on length). We provide firm quotes after diagnosis. Request a quote for LNB replacement for a specific price.
LNB replacement typically takes 45-60 minutes, including removal, installation, and dish realignment. If cable replacement is also needed, add 30-60 minutes depending on the complexity of the cable run.
Common signs of LNB failure include:
- Intermittent signal loss, especially in bad weather
- Missing channels or pixelation
- Error codes like fixing the E48-32 signal error
- Visible damage to the LNB housing
We can confirm with professional signal testing during our visit.
Yes, absolutely! If you have a single-output LNB and plan to add more TVs or Extra View setup, upgrading to a quad LNB is a smart move. We’ll advise on the best option for your current and future needs.
We use only RG6 quad-shield coaxial cable – the industry standard for satellite TV. It provides excellent shielding against interference and minimal signal loss over distance. All connectors are compression-fitted for weatherproof reliability.
Yes, after LNB replacement we always realign the dish for optimal signal reception. Even slight misalignment can affect signal quality. Using professional signal meters, we achieve the strongest possible signal. Learn about satellite alignment →
Yes, all our LNB and cable replacements come with a 12-month warranty on parts and labour. If you experience any issues related to the replacement within that period, we return at no cost.
More questions? Visit our satellite repair FAQs page.
Related Services
Satellite Dish Installation
Complete new dish installation.
DStv Signal Troubleshooting
Comprehensive signal diagnosis.
Fixing the E48-32 Signal Error
Specialized error code repair.
Explora Decoder Installation
Advanced decoder setup.
Extra View Setup
Multi-room DStv installation.
Satellite Alignment Guide
Understanding dish positioning.
Common DStv Signal Problems
Troubleshooting guide.
Restore Your DStv Signal Today
Faulty LNB or damaged cables causing frustration? Let our experts replace them with quality components for reliable, crystal-clear reception.
📋 Free signal check | 12-month warranty | Premium components | Same-day service
DStv Installers Centurion – Professional satellite TV installation and repair services in Centurion and Pretoria East. We’re committed to providing the best viewing experience for our customers.