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5.0 Key Switch Buttons Error
Side key buttons error
Resistor value
R1108 : 0 [ohm]
R1049 : 47k [ohm]
R1222 : 4.7k [ohm]
Resistor value
R1028 : 4.7k [ohm]
R1107 : 0 [ohm]
R1050 : 20k [ohm]
R1051 : 22k [ohm]
TV Business Division
Check harness
OK
connection between
B-board and switch
module
NG
OK
Change harness
between B-board to
switch module harness
NG
OK
Change switch module
NG
NG
Check resistor value on
B-board
OK
In case that power key error
NG
Check resistor value on
B-board
In case that buttons error except power key
OK
Harness connection issue
B-board to switch module
harness issue
Switch module issue
Parts issue
Main device issue
Change B-board
(Supplementary
74
information)
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