Block Diagram; Indoor Unit - Samsung AR18HSFNBWKNEU Service Manual

11. Block Diagram

11-1 Indoor unit

HEAT EXCHANGER SENSOR
ROOM TEMPERATURE SENSOR
HUMIDITY SENSOR
INFRARED SIGNAL
REMOTE CONTROL
POWER ON/OFF
MODE
(AUTO,COOL,DRY,FAN,
HEAT)
SPI SELECT
SMART SAVER SELECT
TURBO OPERATION
QUIET OPERATION
TEMPERATURE
SELECT(UP/DOWN)
FAN SPEED SELECT
(H/M/L/AUTO)
BLADE-H/V
MOVING SELECT
d'LIGHT COOL SELECT
AUTO CLEAN SELECT
GOOD SLEEP SELECT
ON,OFF TIMER
SELECT(UP/DOWN)
TEMP/HUMI SELECT
BEEP ON/OFF SELECT
DISPLAY ON/OFF SELECT
WPS MODE SELECT
AP MODE SELECT
Samsung Electronics
CONTROLLER
· H/V BLADE CONTROL
· INDOOR FAN MOTOR CONTROL
· OUTDOOR COMMUNICATION
· TEMPERATURE CONTROL
· HUMIDITY CONTROL
· TIMER
· BUZZER CONTROL
· WIFI MODEM COMMUNICATION
· DISPLAY CONTROL
· SPI
OSCILLATION
CIRCUIT
· STEPPING MOTOR
CONTROL SIGNAL
· SPI CONTROL SIGNAL
· BUZZZER CONTROL SIGNAL
· STEPPING MOTOR DRIVE
· SPI DRIVE
· BUZZER DRIVE
DC12V
DC5V
SMPS POWER BLOCK
AC INPUT
IC-MCU
ZERO
VOLTAGE
DETECT
PWM
CONTROL
SIGNAL
PHOTO COUPLER
OVER
VOLTAGE
PROTECTION
COMMUNICATION
SIGNAL
BUZZER
DISPLAY PART
· DISPLAY
- TIMER
- GOODSLEEP
- COMFORT CARE
- 88 SEGMENT
· SPI
INDOOR FAN MOTOR
WI-FI MODEM
OUTDOOR UNIT
SPI
· STEPPING MOTOR
- BLDAE CONTROL(H/V)
DC5V
DC12V
DC15V
AC230V
11-1