Normal NG
C-1)
Ⓐ
C-2)
Ⓑ
SVC Guide for Wi-Fi is Turned Off (LJ/UJ/SJ/LK/UK/SK series)
Service Bulletin
Applicable for Serial Number: Since issued of SVC bulletin, All models in the List
Applicable for models:
Bulletin Type: SVC Notice Parts Others
Applicable only with symptoms with every repair
Symptoms
①
Wi-Fi network disconnect
(refer to Picture)
How to check the detailed symptoms
c-1) Network Menu: Network Off
Ⓐ
c-2) Output NG on Wi-Fi MAC / Speed
in In-start menu
Ⓑ
②
Pop-up Message is shown on the screen as
“unknown device is connected/disconnected”
Picture
Cause
Faulty FFC cable for connecting Wi-Fi module and
main board
MENU: Settings Network Wi-Fi menu
Product: TV
Bulletin #:
GLZ201900187-01
Release Date: 2019-11-05
1. Repair Instruction:
Change the FFC cable
18Y FHD: LK54 Series 32”,43”
LK57 Series, 43”, 49”
18Y UHD: UK60,61,62,63,65,Series, 43”,49”,50”,55”,65”,70”,75”
SK80 Series, 55”, 65”
17Y FHD: LJ55 Series, 43”, 49”, 55”
17Y UHD: UJ63 Series 49”, 55”, 60”, 65” (43” excepted)
UJ65 Series 49”, 55”, 60”, 65”, 70” / UJ64 75”
UJ77 Series 49”, 55”, 60”, 65”
SJ80 55”, 65” / SJ85 65”
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