Sub Control (Lcd) - Wf520Abp/Xaa, Wf520Abw/Xaa - Samsung WF511AB series Service Manual

7-2. SUB CONTROL (LCD) - WF520ABP/XAA, WF520ABW/XAA

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+3.3V_IS
CS
SD_OUT
WP
1 1 1
2 2 2
GND
+3.3V_IS
GND
MAIN_RELAY_WATCHDOG
1 2
WATER_LEVEL_TO_MAIN
2 1
MAIN_RESET
2 1
2 1
GND
+5V_IS
1 1
2 2
+3.3V_IS
Washer : 10P
Dryer : 6P
GND
Washer : O
Dryer : X
+5V_IS
2
1
1 2
+5V_IS
42 _ Schematic Diagram
Dryer : 12V
+15_IS
SIG_A
SIG_B
DTC_I
GND Washer : O
Dryer : X
+3.3V_IS
+3.3V_IS
1
SC
SD_IN
LCD_CS 2
LCD_CD Dryer : 12V
+15_IS
HOLD
GND
LCD_RST
SC
1
1 2
SD_IN
LCD_W/D
2
1 2
2
1 1
Washer
LCD_LED
Washer : DC07-00117A R30,70 : 470ohm
Dryer : DC07-00117B
1
Dryer
2 2 R30,70 : 100ohm
GND
GND
CS
WC_BUSY
WC_SCLK
WC_RXD
WC_CE
WC_EPM
SD_OUT
WC_CNVSS
WC_TXD
WC_RESET
1
Dryer : 12V
Washer : O GND
Dryer : X +15_IS 2
WC_CNVSS
GND
+3.3V_IS
1
2 1
1 1
GND
2
+3.3V_IS
1 2
+3.3V_IS 1
GND
2 2
+3.3V_IS
JOG_B
GND
JOG_A
DRUM_LIGHT
MAIN_RELAY_WATCHDOG
WC_RESET
BZ_PW1
1
BZ_PW2
1
BZ_FRQ
WATER_Lv
2
WP
2
GND
GND
GND
1 2
1
+3.3V_IS
1 2
2
GND
GND
1 2
1
2
+3.3V_IS
GND
GND
GND
Washer : N.C. Dryer(Elec) : D1 Dryer(Gas) : D1-D2
MT_OP
MT_KEY2
MT_KEY1
1 1 1
2 2 2
GND
MT_COM7
MT_COM0
MT_COM1
GND
MT_COM2
MT_COM3
MT_COM4
MT_COM5
MT_COM6
+3.3V_IS
2 1
1 2
GND
M_SW
MAIN_RESET
MT_COM0
MT_COM1
MT_COM2
MT_COM3
MT_COM4
MT_COM5
MT_COM6
MT_COM7
2
1
2
SIG_A
SIG_B
DTC_I
BZ_PW1_1
BZ_PW2_1
+3.3V_IS
BZ_FRQ
GND
Dryer : 12V
+15_IS +3.3V_IS
1 2
JOG_A
DRUM_LIGHT
JOG_B
1
Washer : O
GND Dryer : X
2
Dryer : 12V
+15_IS
1 2 1 2 1 2
GND
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
LED_4
LED_3
LED_2
LED_1
LED_0
BZ_PW1 BZ_PW1_1
BZ_PW2 BZ_PW2_1
Washer : O
2 Dryer : X
+3.3V_IS
GND
GND
1
M_SW 1
DRY_AIR_T
1
DRY_CON_T 1
+5V_IS
WATER_T
1
WATER_Lv 1
Dryer : 12V
+15_IS
1 1 1 1 1
1
2 2 2 2 2
+15_IS
2
GND
1 2
WATER_LEVEL_TO_MAIN
BUZZER_1
GND
1
2
GND
1 2
Washer
R24 : 390ohm
R37-R40 : 470ohm
R41-R45 : 620ohm
Dryer
R24 : 330ohm
R37-R40 : 330ohm
R41-R45 : 330ohm
+3.3V_IS
2
2
2
2
2
1
+3.3V_IS
2
GND
GND
+3.3V_IS
1
2