LG LSSE3029BD Service Manual page 45

Components
Infinite switch
(Double units):
LF switch
Dual type
(single)
Dual type
(dual)
4 P1
4a
P2
S1
Test procedures
7. When turn on/turn off the knob, position measure
the resistance between S1 to S2
P1 P1 P1
4 4 4
4a 4a 4a
P2 P2 P2
S1 S1 S1
8. After check the single type, check the dual type at
the same procedure.
Infinite Switch Knob Position
Off
LF
On
Off
LF
On
S2
S2 S2 S2
Results
P1 - 2 Infinite(open circuit)
P2 - 4 Infinite(open circuit)
P2 - 4a Infinite(open circuit)
S1 – S2 Infinite(open circuit)
P1 - 2 Continuity(short circuit)
P2 - 4 Continuity(short circuit)
P2 - 4a Infinite(open circuit)
S1 – S2 Continuity(short circuit)
Infinite(open circuit)
P1 - 2
P2 - 4 Infinite(open circuit)
Infinite(open circuit)
P2 - 4a
S1 – S2 Infinite(open circuit)
Continuity(short circuit)
P1 - 2
P2 - 4 Continuity(short circuit)
Continuity(short circuit)
P2 - 4a
S1 – S2 Continuity(short circuit)
4-7
Results