LG LXFS28596 Series, Service Manual

Page: 51 / 108

Change the
Item
⑤
(Main PCB
Voltage
Value)
Crush mode doesn't work
2
Check the SUB PCB
Resistance Value
No
Yes
6
Explain to customer
1
Check the Auger Motor
(Working Sound
Visual inspection)
3
Check the SUB PCB voltage Value No
Yes
Change the
Dispenser
Assembly,Ice
(Loc. 600C)
4
Check the Display PCB Voltage
Value
No
Yes
Change the
Cover
Assembly,
Display
(Loc. 279A)
CON102
10
th
pin, 23
th
pin
Voltage [V]
PWM 5V
±
10%
5
Check the Main PCB Voltage
Value
No
Yes
Change the
PCB
Assembly,
Main
(Loc. 500A)
CON6
4
th
pin, 3
th
pin
Voltage [V]
24V 24V
±
10%
Check the
Ice Bucket
CON1
17
th
pin, 19
th
pin
17
th
pin, 21
th
pin
19
th
pin, 21
th
pin
Geard Motor
1
st
pin, 2
nd
pin
2
nd
pin, 3
th
pin
1
st
pin, 3
th
pin
Resistance
[
Ω]
U, V, W
2.55
±
7%
No
Yes
CON1
2nd pin, 6
th
pin
Voltage [V]
24V 24V
±
10%
While pushing the lever S/W
is voltage correct?
No
※
Sub PCB Voltage NG
or, When Main PCB
Voltage is OK,
Estimated Harness
open circuit.
CON1
2nd pin, 6
th
pin
Voltage [V]
PWM 5V
±
10%
Change the
Case
Assembly,
PCB
(Loc. 500C)
CON1
14
th
pin, 6
th
pin
Voltage [V]
24V Enable 5V
±
10%
Con 102
CON102
6
th pin, 23 th pin
Voltage [V]
24V Enable 5V
±
10%
Con 6