Are you searching for reliable Sony television repair in Uthiru? Is your Sony BRAVIA television refusing to switch on, displaying a black screen, producing sound without pictures, showing horizontal lines, restarting unexpectedly or experiencing motherboard problems? Pro-Logic Technologies Limited provides television repair and electronic troubleshooting services for customers in Uthiru and surrounding locations.
Sony televisions are sophisticated electronic entertainment systems incorporating advanced display technologies, electronic control boards, power supply circuits, LED backlighting, audio processing systems, digital signal processing and software platforms. Their internal architecture varies depending on the model, screen technology, production year and television series.
A Sony BRAVIA television that develops a technical fault requires proper diagnosis to establish the actual cause before replacing expensive electronic components. A black screen, for example, does not automatically mean that the television panel is damaged. The fault may originate from the LED backlight system, power supply board, mainboard, T-CON board, display connections or another internal circuit.
At Pro-Logic Technologies Limited, we target Sony television owners in Uthiru and the wider Nairobi metropolitan area who require technical assistance with television faults, electronic board troubleshooting, replacement components and repair arrangements.
Our television repair services cover different categories of Sony televisions, including Sony LED TVs, LCD TVs, BRAVIA Smart TVs, Android TVs, Google TVs and selected 4K and OLED models, subject to model-specific diagnostic requirements and parts availability.
CONTACT PRO-LOGIC TECHNOLOGIES LIMITED: 0723763173
Main workshop: Luthuli Avenue, Kangari Building, 3rd Floor, Room KA7, Nairobi.
Website: https://prologictecnologies.co.ke
Email: info@prologictechnologies.co.ke
1. SONY TV REPAIR IN UTHIRU
Uthiru is an important residential area along the Nairobi–Kikuyu corridor. Homes, apartments, commercial premises, offices, rental properties and entertainment establishments in the area use different television brands and models.
Sony televisions are popular among customers looking for high-quality pictures, reliable sound reproduction, smart television functionality and advanced entertainment features.
However, like other electronic devices, Sony televisions can develop faults after extended operation, electrical disturbances, component deterioration, overheating, physical damage or software-related problems.
Pro-Logic Technologies Limited targets Sony television repair enquiries from customers in Uthiru who experience problems such as:
- Sony TV not powering on.
- Sony TV standby light blinking.
- Sony TV showing a black screen.
- Sony TV producing sound without pictures.
- Sony TV displaying vertical lines.
- Sony TV displaying horizontal lines.
- Sony TV backlight failure.
- Sony TV motherboard failure.
- Sony TV power supply problems.
- Sony TV T-CON board faults.
- Sony TV HDMI connection problems.
- Sony TV Wi-Fi connectivity problems.
- Sony TV restarting automatically.
- Sony TV switching off after a few minutes.
- Sony TV having distorted pictures.
- Sony TV producing no sound.
- Sony TV having distorted audio.
- Sony TV failing to complete startup.
- Sony TV displaying software errors.
- Sony TV remote control problems.
Each fault requires a different diagnostic procedure. Our approach focuses on identifying the defective section and establishing an appropriate repair solution.
2. SONY BRAVIA TELEVISION REPAIR IN UTHIRU
Sony BRAVIA televisions are available in different display sizes, resolutions and technology configurations.
Depending on the model, a BRAVIA television may incorporate LED LCD, Full Array LED, Mini LED or OLED display technology.
The electronic architecture also varies between generations.
Some models use separate power supply and mainboard assemblies, while others incorporate different board arrangements. Display control architecture and backlight configurations also vary.
Common Sony BRAVIA repair enquiries include:
- Television not starting.
- Standby indicator flashing.
- Display remaining black.
- Picture appearing briefly before disappearing.
- Backlight not illuminating.
- Television freezing during startup.
- Android operating system problems.
- Google TV software problems.
- HDMI signal detection failure.
- Picture distortion.
- Sound output problems.
- Network connection failure.
- Unexpected shutdown.
Correct identification of the television model is important because replacement boards and electronic components must match the specific model and hardware revision.
3. SONY TV MOTHERBOARD REPAIR IN UTHIRU
The motherboard, commonly referred to as the mainboard, controls many of the television's electronic operations.
It coordinates communication between different internal systems, processes audio and video signals, manages inputs and supports the television's operating software.
A motherboard fault can produce several different symptoms.
Common signs include:
- Television failing to boot.
- Television restarting repeatedly.
- HDMI ports not detecting connected devices.
- No picture despite normal backlight operation.
- No sound.
- Unresponsive television controls.
- Software freezing.
- Abnormal standby behaviour.
- Network connectivity problems.
- Communication errors between electronic boards.
A proper motherboard diagnosis should include inspection of the board's power rails, connectors, regulators, communication circuits and relevant electronic components.
Depending on the design and fault, repair may involve component replacement, connector repair, circuit troubleshooting or replacement of the complete mainboard.
Before replacing a Sony mainboard, the power supply, panel connections and other connected circuits should be checked. A defective connected component can sometimes cause a replacement board to exhibit the same symptoms.
4. SONY TV POWER SUPPLY BOARD REPAIR
The power supply board converts incoming electrical power into the regulated DC voltages required by the television's internal circuits.
Different voltage rails may supply the mainboard, display control circuits, audio amplifier and backlight system.
When a power supply develops a fault, the television may fail to start or may exhibit unstable operation.
Common symptoms include:
- No standby light.
- No power.
- Clicking sounds.
- Repeated restarting.
- Television shutting down unexpectedly.
- Standby light appearing but no startup.
- Intermittent operation.
- Power supply protection activation.
Power supply diagnosis may involve checking fuses, rectification circuits, switching devices, transformers, capacitors, feedback circuits, voltage regulators and output connections.
A fuse should never be replaced repeatedly without identifying why it failed.
Likewise, capacitors and switching components should be tested appropriately rather than replaced based only on visual appearance.
Power supply work involves hazardous electrical voltages. Internal television repairs should be performed by appropriately trained technicians using suitable isolation and testing procedures.
5. SONY TV BACKLIGHT REPLACEMENT IN UTHIRU
One of the common LED television problems is backlight failure.
A Sony LED television may continue producing sound while its display appears completely dark.
In other cases, the picture may appear for a few seconds before disappearing.
The television may still be processing video even though the screen is not illuminated.
Backlight faults may involve:
- Failed LED strips.
- Open-circuit LED components.
- Short-circuit LEDs.
- Damaged LED connectors.
- Backlight driver problems.
- LED power supply faults.
- Backlight protection activation.
- Damaged backlight wiring.
Diagnosis should establish whether the fault originates from the LED strips, driver circuit or associated power supply.
Backlight replacement requires careful panel handling because television display assemblies are delicate.
The correct LED strip configuration must match the screen model, voltage characteristics, physical arrangement and optical design.
Using incompatible LED strips can cause uneven illumination, excessive electrical loading or premature failure.
A professional assessment should also establish whether the television has edge-lit or direct-lit backlighting.
6. SONY TV T-CON BOARD REPAIR
The T-CON, or timing control board, is responsible for important display signal processing functions in television architectures that use a separate timing controller.
It receives video information from the mainboard and coordinates the signals required by the display panel.
T-CON-related faults may produce:
- Vertical lines.
- Horizontal lines.
- Half-screen display.
- Abnormal colours.
- Double images.
- Flickering pictures.
- White screen.
- Distorted display.
- Partial picture.
- Intermittent display operation.
However, these symptoms do not always originate from the T-CON board.
The fault may also involve panel drivers, display connections, mainboard signal processing or the panel itself.
A proper diagnosis should examine the relevant power supply rails, signal connections, board components and display behaviour.
Replacement T-CON boards must be compatible with the exact panel and television model.
7. SONY TV SCREEN AND PANEL FAULT DIAGNOSIS
The television screen is one of the most expensive and delicate components in a modern television.
Sony televisions use different display technologies and panel configurations.
A damaged screen may exhibit:
- Cracked glass.
- Vertical coloured lines.
- Horizontal lines.
- Black patches.
- Ink-like spreading marks.
- Distorted picture sections.
- Missing display sections.
- Flickering.
- Physical impact damage.
- Uneven display illumination.
It is important to distinguish between a panel fault and an electronic display-control problem.
For example, a television displaying half a picture may have a signal processing or panel-driver problem. A television with physical cracks or visible liquid crystal damage generally has panel damage.
Panel replacement depends on the availability and cost of a compatible assembly.
Where the panel is physically damaged, a technician should assess whether replacement is technically and economically practical before recommending the repair.
8. SONY TV NO POWER REPAIR IN UTHIRU
A Sony television that refuses to power on may have several possible faults.
These include:
- Defective power supply.
- Failed standby circuit.
- Damaged fuse.
- Short-circuit protection.
- Mainboard failure.
- Faulty power button.
- Damaged power cable.
- Connector problems.
- Electrical surge damage.
The first diagnostic step is to establish whether the television receives incoming power and whether its standby circuit is operating.
The next step is to inspect the relevant voltage supply and control signals.
Replacing the mainboard or power supply without testing the associated circuits may result in unnecessary component replacement.
9. SONY TV BLINKING RED LIGHT REPAIR
Sony televisions may use a blinking standby indicator to communicate fault or protection conditions.
The number and pattern of flashes may help narrow down the affected system.
However, the interpretation depends on the television model and its service documentation.
Possible fault areas include:
- Power supply.
- Backlight system.
- Mainboard.
- Display panel.
- Internal communication.
- Thermal protection.
- Other model-specific protection circuits.
Customers in Uthiru experiencing blinking red standby lights should provide the exact model number and observed blinking pattern.
The television should not be repeatedly forced to restart when it is entering protection mode.
10. SONY TV SOUND WITHOUT PICTURE REPAIR
A Sony television that produces sound without displaying pictures may have a backlight, display or video processing problem.
One useful preliminary observation is whether the television continues responding to the remote control and whether sound remains normal.
A technician can then establish whether the display is receiving video information and whether the backlight is functioning.
Possible repair areas include:
- LED backlight strips.
- Backlight driver.
- Mainboard.
- T-CON board.
- Panel connections.
- Display control circuits.
A black screen should not automatically be classified as a damaged screen.
11. SONY TV HORIZONTAL AND VERTICAL LINES REPAIR
Lines on a Sony television screen can originate from different electronic or physical problems.
Vertical lines may be associated with panel drivers, display connections, T-CON circuitry or physical panel damage.
Horizontal lines may similarly involve panel control, signal processing or display electronics.
The appearance of the lines is important.
For example:
- A single fixed vertical line.
- Multiple coloured vertical lines.
- Horizontal lines across the entire screen.
- Lines appearing only after the television warms up.
- Lines that disappear temporarily.
- Lines affecting only half the display.
Each pattern provides useful diagnostic information.
A television should undergo careful inspection before any display component is replaced.
12. SONY TV ANDROID AND GOOGLE TV SOFTWARE REPAIR
Many Sony Smart TVs use Android TV or Google TV platforms.
These systems provide access to applications, streaming services, network connectivity and other smart television features.
Software-related problems can affect the television's performance.
Common issues include:
- Television stuck on the Sony logo.
- Android TV boot loop.
- Television freezing.
- Applications failing to open.
- Google TV startup problems.
- Software update failure.
- Slow operating system response.
- Network connection errors.
- Application compatibility problems.
- Repeated system restarts.
Troubleshooting may involve checking network connectivity, available storage, software version, system updates and model-specific recovery procedures.
A factory reset may resolve certain software problems, but it also removes user settings and may require applications and accounts to be configured again.
Firmware installation must match the exact television model and hardware region. Incorrect firmware can render the television inoperable.
13. SONY TV HDMI PORT REPAIR
HDMI connections allow Sony televisions to receive digital audio and video from external devices.
These may include:
- Digital television decoders.
- Gaming consoles.
- Computers.
- Streaming devices.
- Home theatre systems.
- Media players.
- Audio receivers.
A defective HDMI port can result in:
- No signal.
- Intermittent connection.
- Loose HDMI socket.
- Distorted picture.
- No audio.
- Connected device not detected.
- HDMI input failure.
The repair process involves inspecting the HDMI connector, solder joints, signal paths and associated electronic protection components.
Where the port is physically damaged, replacement may be necessary.
14. SONY TV SOUND AND AUDIO SYSTEM REPAIR
Sony televisions incorporate different audio systems depending on the model.
Audio problems can originate from speakers, amplifiers, mainboard circuits, software settings or external audio equipment.
Common symptoms include:
- No sound.
- Distorted sound.
- Crackling.
- Low volume.
- Sound cutting off.
- One speaker not working.
- Headphone output problems.
- Audio delay.
- HDMI ARC or eARC problems.
- Bluetooth audio connection problems.
Diagnosis should distinguish between internal television faults and external equipment or configuration problems.
15. SONY TV WIFI AND NETWORK REPAIR
Sony Smart TVs depend on network connectivity for streaming, application updates and other online services.
Network-related problems may include:
- Wi-Fi not detecting networks.
- Wi-Fi disconnecting repeatedly.
- Television failing to connect to a router.
- Applications not loading.
- Ethernet connection failure.
- Bluetooth pairing problems.
- Network settings errors.
Possible causes include router configuration, software problems, wireless module faults, antenna connections or mainboard issues.
A technician should establish whether the problem is external network configuration or an internal television fault.
16. SONY TV OVERHEATING AND AUTOMATIC SHUTDOWN
Sony televisions are designed with thermal protection systems.
If internal temperatures exceed acceptable operating limits, the television may reduce operation or shut down.
Possible causes include:
- Restricted ventilation.
- Dust accumulation.
- Defective cooling components where fitted.
- Power supply problems.
- Backlight circuit faults.
- Mainboard overheating.
- Electrical component deterioration.
Overheating should be investigated rather than treated by repeatedly restarting the television.
17. SONY TV CAPACITOR AND COMPONENT-LEVEL REPAIR
Electronic boards contain capacitors, resistors, diodes, transistors, integrated circuits, switching devices and other components.
A failure in one component can affect the entire television.
Component-level diagnosis may involve:
- Visual board inspection.
- Continuity testing.
- Resistance measurement.
- Voltage measurement.
- Diode testing.
- Capacitance testing.
- Short-circuit investigation.
- Regulator testing.
- Circuit tracing.
- Connector inspection.
Component replacement must consider the original electrical rating, physical specification and circuit function.
18. SONY OLED AND 4K TELEVISION REPAIR
Sony OLED and 4K televisions incorporate advanced display and electronic technologies.
OLED televisions differ from conventional LED LCD televisions because they use self-emissive pixels rather than a separate LED backlight system.
Consequently, an OLED black-screen problem should not be diagnosed using the same assumptions as an LED backlight fault.
Possible problem areas include power supply circuits, mainboard processing, panel electronics, display control, firmware and physical panel damage.
Similarly, Sony 4K televisions may experience HDMI compatibility problems, display processing faults, software issues and panel-related faults.
Model-specific technical information is essential when diagnosing these televisions.
19. SONY TV WALL MOUNTING AND INSTALLATION IN UTHIRU
In addition to repair enquiries, we target customers requiring television installation and wall-mounting services.
Installation considerations include:
- Television screen size.
- Wall construction.
- Mounting bracket compatibility.
- Correct fixing points.
- Cable management.
- Viewing height.
- Ventilation clearance.
- Power supply accessibility.
- External device connections.
The correct mounting bracket must support the television's weight and comply with its mounting-hole configuration.
Proper installation also helps reduce unnecessary strain on the television's frame and connectors.
20. SONY TELEVISION REPAIR FOR HOMES, OFFICES AND BUSINESSES
Sony televisions are used in different environments.
Our Uthiru and surrounding-area SEO coverage targets:
- Residential homes.
- Apartments.
- Rental properties.
- Offices.
- Hotels.
- Guest houses.
- Restaurants.
- Schools.
- Training institutions.
- Entertainment premises.
- Commercial establishments.
- Conference rooms.
Different environments create different repair requirements.
For example, a television used for long operating hours in a commercial environment may experience different thermal and usage conditions from one used occasionally in a residential home.
A proper assessment should consider operating history, fault symptoms and television condition.
21. SONY TV SPARE PARTS AND ELECTRONIC BOARD SOURCING
Replacement components must be compatible with the television model.
Common Sony television components include:
- Mainboards.
- Power supply boards.
- T-CON boards.
- LED backlight strips.
- Speakers.
- HDMI connectors.
- Power connectors.
- Remote control sensors.
- Wireless modules.
- Internal wiring.
- Display connectors.
- Replacement panels.
Part identification should use the model number and, where possible, the original board identification number.
A television model name alone may not be sufficient because different production revisions can use different board versions.
22. SONY TV REPAIR DIAGNOSTIC PROCEDURE
A structured diagnostic process helps reduce unnecessary replacement costs.
The process generally involves:
STEP 1: CUSTOMER FAULT DESCRIPTION
The customer describes the symptoms, when they started and whether the television has undergone previous repairs.
STEP 2: MODEL IDENTIFICATION
The exact Sony television model and relevant identification information are established.
STEP 3: EXTERNAL INSPECTION
The power cable, connectors, HDMI ports, screen condition and external controls are inspected.
STEP 4: FUNCTIONAL ASSESSMENT
The television's startup behaviour, standby indicators, picture, sound and input response are evaluated.
STEP 5: ELECTRONIC DIAGNOSIS
The appropriate internal circuits are examined using suitable testing equipment and model-specific information.
STEP 6: FAULT IDENTIFICATION
The defective component or circuit section is identified as far as the available evidence permits.
STEP 7: REPAIR RECOMMENDATION
The proposed repair, parts requirement and estimated cost are communicated before proceeding.
STEP 8: REPAIR AND VERIFICATION
After authorised repair, the relevant television functions are tested.
STEP 9: CUSTOMER HANDOVER
The repair outcome and any relevant maintenance recommendations are explained.
23. WHY SONY TELEVISION OWNERS SHOULD AVOID GUESSWORK REPAIRS
Television electronic systems are interconnected.
Replacing a component without checking the surrounding circuits can create additional problems.
For example, a defective LED backlight strip can cause a backlight protection circuit to shut down illumination.
Replacing the power supply without checking the backlight load may not resolve the original problem.
Similarly, replacing a mainboard without checking connected components can result in repeated failures.
Proper electronic diagnosis is therefore essential.