LG LMVM2277ST Service Manual page 16

C. REMOVING THE DOOR INTERLOCK
SWITCHES (Figures 6, 7)
(1) Disconnect the wire leads from the interlock
switches.
(2) Remove two screws securing the front cavity.
(3) Make necessary replacements and check
microwave energy leakage according to following
the test method.
RD(from P.C.B)
WH(from L.V.T)
WH(from P.C.B)
BL(from P.C.B)
PK(from P.C.B)
Secondary Interlock
Monitor Switch
BK(from MGT THERMOSTAT)
RD(from L.V.T)
RD(from FAN MOTOR)
RD(from P.C.B)
Primary Interlock
Monitor Switch
NOTE: THE TEST OF THE MICROWAVE ENERGY
LEAKAGE
Make sure the microwave energy leakage is below the
limit of 1mW/cm 2 (with a 275 ml water load)and
5mW/cm (with a 275 ml water load without the
2
cabinet)when measured with a survey meter.
Interlock
Monitor
Switch
Latch Board
Figure 6
WIRE COLOR
7-6
Figure 7
SYMBOL COLOR
WH WHITE
BK BLACK
BR BROWN
RD RED
YL YELLOW
PK PINK
BL BLUE
GY GREY
GN GREEN
N.P. Not Provided