The TV motherboard (MainBoard) is the central module containing the processor, memory, tuner, signal decoders, HDMI controllers, audio processor and power circuits. Damage after liquid spill, voltage surges or age causes no picture, no sound, freezes or complete failure. TV motherboard repair saves money over new board or TV purchase. Key queries: TV motherboard repair, MainBoard recovery TV, repair after liquid damage board, TV mainboard fix. Navigational: TV motherboard repair Khmelnytskyi. Informational: how to repair TV motherboard, MainBoard failure symptoms. Commercial: TV motherboard repair cost, mainboard restoration price.
What the Service Includes
The TV motherboard repair service covers: diagnostics (voltage checks on power lines, POST codes, HDMI/audio/tuner signals with multimeter and oscilloscope), full TV disassembly (panel, T-Con, MainBoard, PSU removal), visual board inspection under microscope (corrosion on traces, swollen capacitors, melted traces, damaged ICs), ultrasonic cleaning of board from corrosion and liquid residue, replacement of faulty components (electrolytic capacitors, MOSFETs, stabilizers, flash memory, HDMI chips, audio codecs, MT/MSD/RTD/Amlogic processors etc.), trace restoration with copper wire or soldering, full power line verification, separate board testing with external power, connection to panel/T-Con for picture/sound/channel/Smart function check. For complete TV repairs — TV repair. Post-repair often requires software installation.
Additionally includes quartz resonator check/replacement, flash memory reflashing if needed, anti-corrosion board treatment.
When the Service is Needed
TV motherboard repair is necessary for signs like:
- TV won't power on or powers without picture/sound (indicator flashes)
- screen lights but no image (white/gray screen, logo freeze)
- no remote/button response, Smart features inaccessible
- corrosion visible under board or on connectors after liquid spill
- TV shows "No Signal", "Panel Error" or random reboots
- no sound or picture from all sources (HDMI, USB, tuner)
- typical models: Samsung UE/UN, LG 43/50/55UK, Philips, Sony Bravia, TCL, Hisense after spill or 4–10 years age
If PSU outputs voltage but MainBoard doesn't start panel — board issue. For laptops — all laptop services.
Work Stages
- Diagnostics: Voltage check on board, corrosion visual, short circuit search.
- Disassembly: Full MainBoard removal, LVDS/eDP/HDMI/power cable disconnect.
- Cleaning: Ultrasonic board wash, corrosion removal with brush/chemistry.
- Repair: Capacitor/IC replacement, trace restoration, flash reflashing.
- Testing: Separate board power-up, signal check, panel connection boot.
- Final Check: Full TV reassembly, all input/Smart/sound/picture testing.
Work performed with antistatic protection. For charging stations — charging station repair.
Why Choose Grade in Khmelnytskyi
Grade in Khmelnytskyi has extensive experience recovering TV motherboards across brands (Samsung, LG, Philips, Sony, TCL, Hisense, Xiaomi). We use professional microscopes, oscilloscopes, soldering stations and quality components. Clients leave positive reviews on TV revival after severe spills. Address: Khmelnytskyi, Panasa Myrnoho St., 31/3. Schedule: Mon–Sun 11:00–20:00. Contact: +380 97 719 4430 or Telegram. We also repair coffee machines, robot vacuums.
Work includes full diagnostics and testing to avoid hidden defects.
Easy from anywhere in Ukraine
From Sumy or any city ship your TV via Nova Poshta — we disassemble, recover motherboard and return it. Details: delivery page.
TV motherboard recovery saves a set after liquid damage or major failure. After repair the TV operates stably, picture is sharp, sound clear, Smart features work. Grade uses only pro equipment and quality parts to preserve the board maximally. If corrosion hit multiple areas — we repair comprehensively. All-input/mode testing ensures no issues. Huge savings vs new board or TV purchase. Service applies to all sizes/brands — from 32" Full HD to 85" 8K OLED/QLED. Many clients return for preventive care or tuning afterward. If processor/memory damage found — we check replacement feasibility. Grade controls every step to avoid extra damage. One of the most challenging and effective TV repairs that returns full functionality at a fraction of new device cost.
