Micom Function & Pcb Circuit Explanation - LG GA-B409U*QA Service Manual

MICOM FUNCTION & PCB CIRCUIT EXPLA N A TI O N
This description is made for GA- B359 , B399 . Please refer to overall PCB circuits for other models.
1 FUNCTION EXPOSITION
1) FUNCTION
• The initial Temperature of the Freezer Compartment is -19°C respectively. You can now adjust the temperature of the
compartments as you want.
Optional
LED
(88)
LED
(BAR)
2) FUNCTION OF TEMPERATURE SELECTION
• When you press the temperature control buttons, the temperature of Freezer compartment is repeated in the
following order.
Division
Change
of
LED(BAR)
Indication
Lamp
T emperature Control
Freezer Control
Division Power Initially On
Change
of
LED(88)
Indication
Lamp
Freezer Control
Power Initially O n
9
Middl e Middle Stron g
-19° C
2nd Press 3rd Press
1st Press
-18°C -19°C
Function display board
1st Pres s 2nd Pres s
9
Stron g
-21° C -23° C
4th Press
-20°C -21°C -22°C
-19-
3rd Pres s
9
9
W ea k
-15° C
5th Press 5th Press
-23°C -15°C
4th Press
9
Middle W eak
-16°C
5th Press 5th Press
-16°C -17°C