TV screen shows vertical or horizontal lines, partial image missing, screen flickers, colors distorted, backlight works but part of matrix displays nothing or unresponsive — in most cases the issue is in the matrix cable (LVDS / eDP / FFC). Matrix cable repair or replacement restores full image without expensive panel replacement. Grade service in Khmelnytskyi replaces and repairs matrix cables on TVs Samsung, LG, Sony, Philips, TCL, Xiaomi, Hisense and other brands: break diagnostics, contact resoldering, cable replacement with uniformity & artifact-free testing afterward.
What the Service Includes
TV matrix cable (LVDS / eDP / FFC) repair or replacement includes:
- Full TV disassembly: back cover removal, matrix disconnection, access to cable
- Visual & microscopic cable diagnostics: break, crack, oxidation, shielding damage check
- Cable testing with multimeter: continuity of each line (data, clock, power, ground)
- Contact cleaning from oxidation & dirt with isopropyl alcohol & antistatic agents
- Damaged contact resoldering or trace restoration (if possible)
- Full matrix cable replacement with original or high-quality analog (exact pin count, length, connector type match)
- Compatibility & correct connection check (polarity, securing)
- Post-replacement calibration: image uniformity, no lines/flickering/color artifacts
- Load testing: 1–2 hour operation at different brightness, signal stability check
- Verification of all inputs & functions: HDMI, USB, Smart, sound, no new artifacts
When You Need the Service
Matrix cable repair/replacement is required when:
- Vertical or horizontal colored/white/black lines across screen or part
- Partial image missing (half or sector black/white)
- Screen flickers, flashes, colors distort or vanish with viewing angle change
- After drop/impact/transport artifacts appeared on image
- Backlight even but part of matrix displays nothing
- Image appears only after pressing hard on frame or screen
- TV shows «no signal» or «no connection» with connected source
- After self-disassembly/repair image became unstable
Work Stages
- External inspection & testing: symptom check, different source connection, artifact assessment
- Diagnostics: confirm issue in cable (not matrix or T-Con board)
- Full TV disassembly: matrix removal, access to cable & connectors
- Cable check: visual, multimeter, oscilloscope (if needed)
- Contact cleaning from oxidation, dirt, flux
- Cable repair (resoldering, trace restoration) or full replacement with compatible original/analog
- Reassembly with correct connection & securing check
- Brightness/uniformity calibration in service menu
- Post-repair testing: 1–2 hour operation, source check, no artifacts
- Final full function verification & client report
Why Choose Grade in Khmelnytskyi
Grade performs matrix cable replacement/repair using professional tools and quality cables, ensuring stable image without artifacts and long service life post-repair. Clients note full picture restoration and no recurring issues. 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 matrix cable repair the device returns with clear & even image. Details on the Nova Poshta delivery page.
