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LG 55SJ8000l - User Manual

LG 55SJ8000l
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P/No : MFL69707642 (1706-REV01)
www.lg.com
*MFL69707642*
Please read this manual carefully before operating your TV and
retain it for future reference.
55SJ8000
55SJ800T
55SJ9500
65SJ8000
65SJ800T
65SJ9500
65SJ950T
75SJ955T 86SJ9570
86SJ957T
Safety and Reference
LED TV*
* LG LED TVs are LCD TVs with LED backlighting.
OWNER’S MANUAL
Copyright © 2017 LG Electronics Inc. All Rights Reserved.

Table of Contents

Questions and Answers

  • F
    frank27Aug 10, 2025
    What to do if my LG 55SJ8000l has sound but no picture?
    • C
      carl35Aug 10, 2025
      If your LG LED TV has normal audio but no video, first, check that all cables between the boards are properly inserted. Then, verify if the backlight is on. Further troubleshooting includes checking the power board voltage (20V, 13.2V, etc.) and the 20V output of the power board. If issues persist, consider repairing the power board or its parts, replacing the inverter, or replacing the T-con/Main Board or module.
  • J
    jacksonmargaretAug 27, 2025
    How to fix LG 55SJ8000l with no video but normal audio?
    • J
      Jamie SalazarAug 27, 2025
      To troubleshoot an LG LED TV with no video but normal audio, start by ensuring all cables between the boards are correctly inserted. Next, check if the backlight is functioning. You should also check the power board voltage (20V, 13.2V, etc.). If these steps don't resolve the issue, you may need to repair the power board or its parts, replace the inverter, or replace the T-con/Main Board or module.

LG 55SJ8000l Specifications

General IconGeneral
Screen Size55 inches
Display TypeLED
HDMI Ports4
USB Ports3
BluetoothYes
Resolution3840 x 2160 (4K Ultra HD)
HDR SupportYes (HDR10, Dolby Vision, HLG)
Smart TVYes
Operating SystemwebOS
Audio Output20W
Refresh Rate120Hz (Native)
Wi-Fi802.11ac
EthernetYes

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