LG TCW2013QS1 Service Manual page 19

PCB Layout
( P/N : EBR81121308 )
NA4:
1.
2.Circulation Pump
3. Atomizing Valve
4. Door Switch 3
5. Door Switch 2
6. Main Valve
YL1:
1. Drain Pump
2. Bleach Valve
3. Door Lock
4. Hot Valve
PIN3:Card Reader
1. CARD TX +
2. CARD TX -
3. CARD RX +
4. CARD RX -
5. VCC
6. G
X132:
1. AC2
2. Heater Relay
X131 :
1. AC1
2. Heater Relay
BL3
1.
2.
3. Emergency Switch
GR : Motor Stator Control
1. U
2. V
3. W
19
RD7:Auto Dosing
BL4: E-suds
1. TX - 1 .ch1 (ETC)
2. ch2 (Main wash)
2. TX +
3. RX + 3. ch3 (Bleach)
4. ch4 (Softener)
4. RX -
5. ch5 (Pre-wash)
6. 12V
7.
NA2:
1. G
2. VCC 5V
3.
4. Thermistor
5. G
6. Pressure Switch
7. Pressure Switch
8. G
PIN2:Coin
1. 5V
2. COIN1
3. G
4. COIN 2
5. G
6. COIN BOX
7. COIN SVC
8. G
9. 16.5V
CON1:
1. RX
2. TX
3. G
4. 12V
5. 5V
6. Boot
7. Reset