LG LRSC21935xx, Service Manual

Page: 42 / 128

1-6. Switch entry circuit
The following circuits are entry circuits for sensing signal form test S/W, electronic single motor damper reed S/W for
examining refrigerator.
1) GR-P257, L257, P217, L217 2) GR-C257, B257, C217, B217
1-7. Option designation circuit (model separation function)
1) GR-P257, L257, P217, L217
2) GR-C257, B257, C217, B217
The above circuits are used for designating separation by model as option and notifying it to MICOM. Designation of option
by model and the application standards are as follows:
u These circuits are accurately pre-adjusted in shipment from factory and so you must not additionally add or remove
option.
EXPLATION FOR MICOM CIRCUIT
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Separation Connection Status Application Standard
Connection MAGIC/ROOM
OP1
OUT NON-MAGIC/ROOM