Failed power supply components
Swollen capacitors, failed diodes and burnt fuses on the SMPS board are the most common reason a TV stops powering up.
Power Supply Service
TV Power Repair
A television that will not switch on, restarts on its own, or blinks its standby light is usually telling you something specific about its power supply. We measure the supply rails, check the protection circuit and repair the stage that has actually failed.
Symptoms we see most often
- TV completely dead with no standby light
- Standby light on but the TV will not start
- TV restarts repeatedly or shuts down after a few minutes
- Clicking or ticking sound at power on
- Standby LED blinking in a repeating pattern
- TV starts only after being unplugged for a while
Possible causes
Voltage surge damage
Fluctuating mains supply and lightning-induced surges damage the input stage of the power board and sometimes the main board too.
Protection circuit shutdown
The TV detects an abnormal current or voltage and shuts itself down to prevent damage, which shows as restarting or blinking codes.
Standby or main board fault
When the standby rail is present but the board fails to issue the power-on signal, the TV stays in standby regardless of the remote.
Safe checks you can do first
- Test the socket with another appliance and avoid extension boards while testing.
- Unplug the TV for five minutes, then hold the physical power button for 15 seconds before reconnecting.
- Use the button on the TV itself in case the remote or its batteries are the problem.
- Disconnect all external devices and cables except mains.
- Count the blinks of the standby light and share the pattern when booking.
- Stop using the TV immediately if you smell burning.
Do not open the television or work on its internal parts yourself. Panels and power boards hold stored electrical charge even when unplugged, so internal work should be left to a technician.
Book a Technician
Share your details and we will call you back.
How it works
Simple From Booking to Repair
Four clear steps, from your first message to a tested television.
- 01
Book
Send your TV type, brand, problem and area through the form, phone or WhatsApp.
- 02
Technician Visits
We confirm a convenient slot and a technician reaches your address with tools.
- 03
Diagnosis
The TV is inspected, the actual fault is identified and explained to you.
- 04
Repair
Repair or part replacement is carried out after your approval, then tested.
TV Power Repair — Frequently Asked Questions
In most cases yes. Power boards commonly fail on individual components such as capacitors, fuses or regulators, which can be replaced. If the board is badly burnt, replacement is recommended instead.
Repeated restarts usually mean the protection circuit is tripping because a supply rail is out of range, often due to failing capacitors or an overloaded backlight driver.
Most manufacturers use blink patterns as an error code. Telling us the pattern helps the technician arrive with a strong idea of the failing section.
If your supply fluctuates frequently, a good stabiliser or surge protector reduces the chance of repeat power board failures.
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