LG F1480TDSP Service Manual ▷ View online
4
4
9-5. INLET VALVE ASSEMBLY
Wiring
diagram
diagram
Circuit in the MAIN PWB
INLET
VALVE
VALVE
Vac
Rs
Vdc
Cg
Rg
IC
MICOM
Cs
PCB
CONNECTOR
Inlet valve driving circuit
Function
Test
points
points
and
Result
Depending on the cycle and water temperature, the controller will energize the hot or cold
water valve solenoids to meet the selected water temperature.
water valve solenoids to meet the selected water temperature.
After pull out the connector of defective valve, check the resistance.
Test points
(1)-(2)
Result
0.8-1.2 kΩ
Wiring Diagram
MAIN
WASH
PRE
WASH
BLEACH
HOT
VALVE
1
2
1
2
1
2
1
2 RD
BL
BL
NA
WH
NA4
GY VT
BL
BL4
BL3
4
3
2
1
1
2
3
1
2
3
4
3
2
1
4
3
2
1
4
3
2
1
COMMON
(BK)
(BK)
MIAN PWB
INLET VALVE
* Each circuits of loads in wiring diagram are all same.
(1) (2)
(1) (2)
(1) (2)
(1) (2)
4
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9. DISASSEMBLY INSTRUCTIONS
Disassemble and repair the parts after pulling out power cord from the outlet.
1 Unscrew the screws on the top plate.
3 The cover(Inner) is disassembled.
2 The plate assembly(Top) is pulled back and
then upward to arrow direction.
1 Pull out the drawer and unscrew 2 screws.
2 Lift the side the Control Panel Assembly and
pull it out
1 Two screws is unscrewed.
2 Push out PANEL ASSEMBLY, CONTROL after
Push the hook below.
1 The PWB assembly(Display) is disconnected.
2 When 7 screws are unscrewed on the PWB
insulator and the PWB assembly(Display) is
disassembled from the PWB insulator.
disassembled from the PWB insulator.
CONTROL PANEL
Screws
Screws
Screws
Disassembly two connector
4
6
1 Disassembly lower cover assembly.
2 Disammembly MAIN PWB ASSEMBLY.
3 Disconnect the wiring connector.
4 The cover of PWB assembly(main) is First.
Press hook and turn the safety switch removed.
5 Disconnect connector from the wiring.
PWB ASSEMBLY(MAIN)
1 The plate assembly(Top) are disassembled.
3 Two screws are unscrewed.
3 Two screws are unscrewed.
2 Pull the drawer to arrow direction.
4 Clamp
4 Clamp
5 Cutting cable ties and the ventillation hose
are disassembly on the dispenser
5 Cutting cable ties and the ventillation hose
are disassembly on the dispenser
DISPENSER ASSEMBLY
2 Pull the drawer to arrow direction.
2
1
4
7
VALVE (STEAM)
VALVE (PRE-WASH)
VALVE (NORMAL-WASH)
1 Disconnect the wiring connector.
1
1
2
3
2 Remove the valve by two screws of the valve
holder.
• Rating : 220/240V 50/60Hz
• Resistant : 3.5~4.5kΩ
• Resistant : 3.5~4.5kΩ
2
When reconnecting the connector
1 Open the door completely.
2 Remove the three screws from the hinge.
When removing the Door Assembly, it is
necessary to hold the Bracket that is inner of
the Cabinet Cover.
necessary to hold the Bracket that is inner of
the Cabinet Cover.
First, prepare a bucket to put in the remained
water.
water.
Pull it out from hose.
VIOLET/BLACK-BLACK
WHITE/BLACK-BLACK
GRAY/BLACK
INLET VALVE
3
DOOR
Removing method of remained water
CAP(REMAING HOSE)
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