LG LSEL6335F Service Manual page 44

Components
Infinite switch (Triple
units):
RF switch
Triple type
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Only training and service purposes
Test procedures
7. When turn on/turn off the knob, position measure
the resistance between S1 to S2
P1 P1
4 4
4a 4a
P2 P2
4b 4b
S2 S2
S1 S1
8. When turn on/turn off the knob, position measure
the resistance between P2 to 4b
P1 P1
4 4
4a
4a
P2 P2
4b 4b
S1 S1
9. After check the single type, check the dual type at
the same procedure.
Infinite Switch Knob Position
OFF
LF ON
2 2
2 2
S2 S2
P2 – 4b
P2 – 4b
Others are same as dual circuits
4-8
Results
Normal: Approximately 570 Ω,
If not replace
Below 150˚F
→ open circuit(infinite).
Above 150˚F
→ continuity (0 Ω)
Results
Infinite(open circuit)
Continuity(short circuit)