LG GR-B197WV Service Manual page 33

MICOM CIRCUIT DESCRIPTION
2) GR-C247, GR-C207, GR-B247, GR-B207, GR-B197
* Freezer fan motor shall operate when freezer, refrigerator, or home bar door is open.
* Door switches A, B, C, D of freezer and refrigerator are connected to door opening detecting circuit in Micom.
* Home bar door switch E, F is parallelly connected to the refrigerator switch C, D. Therefore it can detect door opening
when one of the door is open.
Load Types
Measuring Points(IC 4)
ON
Conditions
OFF
Machine Defrost
Room Heater
No.10 No.11
AC Converting Refrigerator Home Bar
Relay Compartment Lamp
No.12 No.16
Below 1 V
12 V
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Refrigerator
Fan Motor
Heater High
Speed
No.15 No.13
Standard
Speed
No.14