DOWNLOAD LG WD-MD750WM Service Manual ↓ Size: 58.44 MB | Pages: 44 in PDF or view online for FREE

Model
WD-MD750WM
Pages
44
Size
58.44 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wd-md750wm.pdf
Date

LG WD-MD750WM Service Manual ▷ View online

Cotton Eco
Easy Care
Duvet
     Delicate
Wool
5. OPERATION
5-1. F**73TD(P)(1~9)
12
Wash program selector
• 9 programs can be set
depending on the type of
the laundry.
• If the power button is
pressed, all lamps are on
• By turning the dial, [
]
can be selected.
This is a bi-directional selector.
Start/Pause button
• Use the button to start or pause wash
cycle.
• The power turns off automatically 4
minutes after the pause button is
pressed.
Child -Lock
• Child Lock system can
be set and canceled by
pressing and holding
both 
Medic Rinse
button
and 
Pre Wash
button
simultaneously more
than 3 seconds.
Tub Clean
• Tub Clean course can be set by
pressing and holding 
Intensive
and
Crease Care
button simultaneously.
• Tub Clean is special cycle to clean the
inside of the washer.
Option
• Medic Rinse: Function that offers more purity in rinse operation by maintaining 
 the optimum temperature fo r elimination of remnant detergent.
 It can be selected in all courses with the exception of Quick 30, 
Wear,Wool, Delicate course.
•Intensive : If the laundry is heavily soiled “Intensive”  option is effective.
By selecting the Intensive option, the wash time may be 
extended, depending on the program selected.
•Pre Wash : If the laundry is heavily soiled, “Pre Wash” course is effective.
Pre Wash is available in Cotton,Cotton Eco,Baby Care
•Crease Care : If you want to prevent crease, select this button with spin.
12
5. OPERATION
5-1. F**B9(Q/T)D(T)
and Easy Care Course. 
                                 Cotton-
Delicate-Wool-Quick 30-
Rinse+Spin-Baby Care-
Duvet-Easy Care-
Cotton Eco
F10**(Q/T)D(T)(3)(1~9)
F12**(Q/T)D(T)(3)(1~9)
F14**(Q/T)D(T)(3)(1~9)
F**B9(Q/T)D(T)
13
How to set “ Time Delay
- Press the power button
- Turn the Program dial to select you require
- Press Time Delay button and set the desired time
Each pressing of the button advances on time delay by 3h,6h,9h and cancel.
Time Delay is ”expected time” from the present to completetion of washing cycle or selected process
(Washing, Rinsing. Spin).
The Beep on/off function can be set by pressing and holding the Time Delay button (About 3 seconds)
The Beep on/off function can be set at any time and it is automatically cancelled in the event of a power cut.
The Beep on/off function also works when power is off.
14
6. WIRING DIAGRAM / PCB LAYOUT / PROGRAM CHART
BL
BL
BL
BL
YL
YL
YL
VL
OR
L
Y
L
Y
/
RD
YL
BL
/
RD
BL
/
WH
BL
/ WH
BL
/ WH
BL
BL
BL
BL
BL
GN
/YL
GN
/YL
GN
/YL
BL
SBL
VL
OR
BL
/
WH
BL
/ WH
BL
/ WH
SBL
BN
/ YL
BN
BN
BL
BN
YL
BK
RD
NA
NA
NA
NA
NA
WH
W
H
WH
WH
WH
RD
RD
RED
D
R
D
R
BK
B
K
BK
B
K
BK
BK
K
B
H
W
WH
/ BK
WH
/ BK
GY
/
WH
GY
/
WH
GY
RD
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
1
2
1
2
1
2
1
2
3
4
5
6
1
1
1
1
1
2
2
2
6
3
1
4
5
2
6
3
1
4
1
2
1
2
1
2
1
1 1
2
2 2
3
(S
)
(G
)
(S)
3
1
2
1
2
1
2
3
1
2
3
2
2 2
1
1
1
3
2
1
5
4
2
3
1
5
4
2
3
GND
Ha
Hb
1
3
2
1
3
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
3
1
2
3
1
1 1
2
3
1
2
3
1
NOISE FI
LTER
P
O
WER CORD
W
ASHIG HE
ATER
DRAIN  PUMP
DOOR LOCK S/W
INLET
 V
A
LVE
INLET
 V
A
LVE
THERMIS
TOR
PRESSURE SENSOR
THERMIS
TOR
PRESSURE SENSOR
Motor
H O T
W
V
U
P R E
M A I N
P
R
E
M
A
I
N
3
4
4
5
2
2
2
3
3
3
3
3
4
4
5
4
5
6
5
6
6
Wiring Diagram
[Note]
RD : Red
YL : Yellow
BL : Blue
WH : White
GY : Gray
BK : Black
VL : Violet
OR : Orange
SBL : Sky Blue
NA : Natural
5
4
3
2
15
PCB Layout
Display
Display
PCB Power & Heater
Pressure Switch
&
Heater Thermistor
Measure Hz impossible here
Just check cut-off.
Heater Thermistor
(44~53K , 25°C)
Pressure Switch
Common
Drain Pump
&
Door
&
Inlet Valve
Door Switch
Measure R impossible here
Common
Motor
&
Hall Sensor
V ~ U / U ~ W / W ~ V
R : 8 ~11
V   
U  
W
Hb
(5~15k )
Ha
(5~15k )
Common
Drain Pump
(160~177 )
Pre. Valve
(3.5~4.5k )
Main Valve
(3.5~4.5k )
Heater
(24.7~28.0 )
PCB Power
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
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