LG WT7800C Series Service Manual

Copyright © 2016 - 2017 LG Electronics Inc. All rights
reserved. Only training and service purposes.
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Display pin1 : TX pin2 : RX pin3 : GND pin4 : BOOT pin5 : SB5V pin6 : - pin7 : Standby Signal pin8 : Vcc(16.5V)
Clutch(WH3) Pin1:Common(AC_Live) Pin2:Clutch(Output) Pin3:Clutch_Sensing(Input)
Pump(GY6) Pin1:U Pin2:V Pin3:W
Motor(GY3) Pin1:U Pin2:V Pin3:W
Test PointsResult
(1) to (2) ōѤ
(2) to (3) ōѤ
ōѤ
(3) to (1)
23~34Ω
WH(1) to RD(1) WH(3) to RD(2)
0Ω 0Ω
BLDC
PUMP
RD YL
1234
5
BK
BL
BN
WH
YLYL BK
RD
WH
WHBK
GN
WH
WH GY GY WH WH
GY
WH
WHGY
BN
BL
YL
ATC
OR VL BL BN RD YL BK
987
65 4 3 2 110
YL
Non-Heater
Type
Heater
Type
Only
3 2 1
4 1
WH
CN4
Heater
Type
BK BN RD OR YL GN BL VL
SKY
SKY
4-5. TROUBLESHOOTING SUMMARY

LG WT7800C Series Specifications

General

Brand	LG
Model	WT7800C Series
Category	Washer
Language	English