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AC DC Source 13V 5V Communication
AC INPUT
AC-
AC-INPUT EMI-FILTER



AC LOAD MAIN PBA
7-1) Block Diagram




MICOM INV COMP
F-DEF HEATER DIODE-Option RESET EEPROM OSCILLATOR Over Voltage
CONTROL DC 5V, 13V
Protection
from
R-DEF HEATER
S
Inverter-Board




n
PIPE HEATER M MICOM
P S
ICE ROUTE MOTOR S P
COMP
7. SCHEMATIC DIAGRAM




M EEPROM
TEST MODE




Location
Detection
AUGER MOTOR CONTROL CONTROL
CONTROL
CUBE MOTOR UART(PLC) UART (PLC)
LOAD NORMAL MODE COMMUNICATION
WATERSOLENOIDVALVE CONTROL
CONTROL CONTROL
ICE SOLENOID VALVE INV
OLP COMP SWITCH CONDITIONAL
1 UART UART
DISPENSER HEATER INPUT CONTROL CONTROL COMMUNICATION
ICE MAKER HEATER AC CONTROL
CIRCUIT ICE-MAKER A/D
CONTROL CONVERTER




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DC CONTROL
CIRCUIT 5V
ICE-MAKER CIRCUIT
13V DC LOAD 13V
SWITCH MOTOR HEATER TEMP-SENSOR RH-SENSOR
COMPRESS COOL FAN SENSING CONTROL CONTROL S S G
SENSING SENSING
S S G

F-ROOM FAN
R-ROOM FAN PANEL
SWITCH ICE-MAKER Temp-SENOR RH-SENOR
F-ROOM [LED] LAMP F-DOOR S/W MICOM
TEST S/W
F-ROOM SENSOR EXT-RH SENSOR
R-ROOM
R ROOM [LED] LAMP R-DOOR S/W HORIZONTAL S/W Touch KEY Sensing
R-ROOM SENSOR
SEMI C-ROOM BOX FAN R-HOME BAR S/W ICE-FULL S/W LED Driver
F-DEF SENSOR
ICE MAKER SENSOR R-DEF SENSOR Buzzer Control

AMBIENT SENSOR Semi C-ROOM Control
EJECT MOTOR

EJECT HEATER PLC
PLC Module
SCHEMATIC DIAGRAM

7-2) Block Diagram (INVERTER PBA)




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