TV screen became dim, dark spots/zones appeared at edges or center, backlight flickers, screen completely dark but sound present, or brightness changes randomly — in 80–90 % cases it's backlight failure (LED, Edge LED or Direct LED). TV backlight repair restores even brightness, eliminates hotspots/dark zones and avoids expensive matrix replacement. Grade service in Khmelnytskyi repairs LED backlights on TVs Samsung, LG, Sony, TCL, Philips, Xiaomi, Hisense and other brands: driver diagnostics, strip/line replacement, recovery after overheating/short circuits with uniformity & temperature testing afterward.
What the Service Includes
TV backlight (LED / Edge / Direct) repair includes:
- Full TV disassembly: back cover removal, matrix disconnection, access to LED strips & drivers
- Backlight type diagnostics: Edge LED (side strips), Direct LED (direct lighting), Full Array Local Dimming
- LED driver (backlight driver / booster board) check: voltage/current measurement, short circuits
- Individual LED strip/line testing: detection of burnt diodes, opens, degradation
- Replacement of faulty LED strips or individual diodes (original or compatible high-quality LEDs)
- Driver repair: capacitor/MOSFET/IC replacement
- Liquid/overheat recovery: contact oxidation cleaning, board trace verification
- Brightness & uniformity calibration in service menu after replacement
- Post-repair testing: full-screen uniformity, no hotspots, stability at different brightness levels
- Component temperature check under load, no flickering
When You Need the Service
Backlight repair is required when:
- Screen very dim even at max brightness
- Dark spots/corners/stripes at edges or center
- Backlight flickers, pulsates or brightness changes randomly
- Screen completely black but sound present & remote responds
- After 3–5 years operation brightness noticeably dropped
- Red/blue/green hotspots or unevenness after power-on
- TV hot at back, fan constant or burning smell present
- After liquid exposure or power surge image became dim
Work Stages
- External inspection & testing: symptom check, brightness/uniformity/temperature measurement
- Diagnostics: backlight type determination, driver multimeter check, burnt chain detection
- Full TV disassembly: matrix removal, access to LED strips & driver board
- Individual LED strip/line testing: faulty diode/open detection
- Replacement of damaged LED strips or diodes with exact voltage/type match
- Driver repair: capacitor/MOSFET/IC replacement
- Dust/oxidation cleaning, contact & trace verification
- Reassembly with sealing & matrix fit check
- Brightness/uniformity calibration in service menu
- Final testing: 1–2 hour operation, temperature control, no hotspots/flickering
Why Choose Grade in Khmelnytskyi
Grade performs backlight repair using professional equipment and quality LED components, ensuring even brightness without hotspots and long service life post-repair. Clients note return of factory brightness and no overheating. Additional services include laptop repair, PC repair, phone repair, coffee machine repair, charging station repair, robot vacuum repair. Reviews — here.
Address: Khmelnytskyi, Panasa Myrnoho str., 31/3
Schedule: Mon–Sun 11:00–20:00
Phone: +380 97 719 4430
Telegram: Telegram
Easy from anywhere in Ukraine
Not in Khmelnytskyi? Ship your TV via Nova Poshta. After backlight repair the device returns with even brightness and stable operation. Details on the Nova Poshta delivery page.
