Samsung AQ09MSBN Service Manual page 54

13. Block Diagram
HEAT EXCHANGER SENSOR
ROOM TEMPERATURE SENSOR
INFRARED SIGNAL
REMOTE CONTROL
POWER ON/OFF
MODE
(AUTO, COOL, DRY,
FAN),HEAT*
TURBO OPERATION
FAN SPEED SELECT
(H/M/L/AUTO)
FLAP
ON, OFF TIMER
SELECT
TEMPERATURE
SELECT(UP/DOWN)
GOOD MORNING
OPERATION
13-1
CONTROLLER
BLADE CONTROL
INDOOR FAN MOTOR CONTROL
COMPRESSOR CONTROL
OUTDOOR FAN MOTOR CONTROL
4 WAY VALVE CONTROL (*)
TEMPERATURE CONTROL
RESET
TIMER
CIRCUIT
BUZZER CONTROL
OSCILLATION
CIRCUIT
COMPRESSOR CONTROL SIGNAL
OUTDOOR FAN MOTOR CONTROL
SIGNAL
4 WAY VALVE CONTROL SIGNAL*
STEPPING MOTOR CONTROL
SIGNAL
BUZZER CONTROL SIGNAL
COMPRESSOR DRIVE
OUTDOOR FAN MOTOR DRIVE
4 WAY VALVE DRIVE*
STEPPING MOTOR DRIVE
BUZZER DRIVE
DC5V
VOLTAGE REGULATOR
DC12V
SMPS POWER BLOCK
AC INPUT
IC-MCU
ZERO
VOLTAGE
DETECT
TRIGGER
SIGNAL
SSR
BUZZER
* : OPTION
DISPLAY PART
OPERATION
TURBO
TIMER
INDOOR FAN MOTOR
COMPRESSOR
OUTDOOR FAN MOTOR
4 WAY VALVE*
STEPPING MOTOR
: BLADE UP/DOWN
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