3-6. SIDE BUTTONS MALFUNCTION
67
KDL-50W800C, 805C, 807C, 809C/KDL-55W800C, 805C
TROUBLE SHOOTING
Power Key Muffin Pin (B* Board)
Check voltage(Power ON condition) :
3.287V < Voltage < 3.55V?
Key AD muffin pin (B* Board)
Check voltage (Power ON condition):
1.53V < voltage < 1.89V?
Harness on Switch Unit
and B* Board properly connected
Side Key button
malfunction
Change
Switch unit-B* board Harness
Harness
connection
issue
Change B*Board
Change Switch Unit
Switch unit issue
Harness issue
OK
NG
NG
OK
OK
Power Key (B* Board)
Check parts value :
0 ohm < R1089 < 2 ohm?
Muffin IC1000
problem
NG
NG
OK
NG
Key AD(B* Board)
Check parts value :
0 ohm < R1085 < 2 ohm?
NG
OK
Parts Broken issue
NG
OK
OK
NG
Size B* Board G* Board H* Board
50” BMX Not applicable
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