LG LMVM1935SB Service Manual page 19

C. REMOVING THE DOOR INTERLOCK
SWITCHES (Figures 9,10)
(1) Disconnect the wire leads from the interlock
switches.
(2) Remove two screws securing the Latch Board.
(3) Make necessary replacements and check
microwave energy leakage according to
"ADJUSTMENT PROCEDURE" on page 7-12.
Latch Board
Secondary Interlock Switch
WH(from H.V.Transformer)
YL(from Fan Motor)
WH(from Power Cord)
WH(from cooktop lamp)
Monitor Interlock Switch
WH(from H.V.Transformer)
RD(from H.V.Transformer)
Primary Interlock Switch
PK(from P.C.B)
BL(from P.C.B)
Figure 9
WIRE COLOR
SYMBOL
WH
BK
BR
RD
BL
PK
GY
N.P.
7-7
Latch Board
Secondary
Interlock Switch
Interlock
Monitor Switch
Primary
Interlock Switch
Figure 10
COLOR
WHITE
BLACK
BROWN
RED
BLUE
PINK
GREY
Not Provided