Infinite Switch (Triple Units): Rf Switch - LG LUTE4619SN Service Manual

Components
Infinite switch (Triple units): 1. Refer to page 3-7 for the servicing procedure.
RF switch
2. Set the Multiple meter scale to the R x 1000.
3. Disconnect all wires from infinite switch.
4. Push in and turn left knob to check the single type.
2 2
5. When turn on/turn off the knob, position measure the resistance
A B
1
6. When turn on/turn off the knob, position measure the resistance
Test procedures
between P1 to 2.
2 2
P1 P1
4 4
4a 4a
P2 P2
4b 4b
S2 S2
S1 S1
between P2 to 4.
2 2
P1 P1
4 4
4a 4a
P2 P2
4b 4b
S2 S2
S1 S1
2 2
P1 P1
4 4
4a 4a
P2
P2
4b 4b
S2 S2
S1 S1
4-8
Results