HDMI PORT DAMAGE
LG TV & Audio · 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV
HDMI ports physically damaged from cable insertion/removal, strain, or cable snags. Symptoms: no signal on specific port (other ports work), intermittent connection, or bent/shorted pins. Inspect with flashlight for bent pins or debris. Some ports are soldered to main board requiring skilled repair; some are on separate daughter board.
Error HDMI PORT DAMAGE on the LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV means: HDMI Port Physical Damage. The top-ranked community fix is “Replace Damaged HDMI Port Daughter Board” (hard difficulty, ~90 min, DIY cost: $20-$40). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · tv
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many tv repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $200-$350.
tv · 2 fixes
tv · 2 fixes
tv · 2 fixes
tv · 2 fixes
tv · 2 fixes
tv · 2 fixes
App Freezes or Crashes
Audio Out of Sync with Video
Backlight Bleeding / Clouding
LED Backlight Strip Failure — No Picture
LED Backlight Strip Physical Failure
Horizontal or Vertical Banding
Power Supply Overcurrent / Short
Main Board Failure
The LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV has 8 other known error codes:
Error code HDMI PORT DAMAGE also appears on 6 other LG TV & Audio models:
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