
35Samsung Electronics
8. Block Diagram
HEAT EXCHANGER SENSOR
TURBO
STANDARD
AVOID
TIMER
TEMPERATURE(88˚C)
INDOOR FAN MOTOR
(left/right)
BUZZER
COMPRESSOR
OUTDOOR FAN MOTOR
STEPPING MOTOR
-Blade
(down/left/right)
-Auto grille
(left/right)
DISPLAY PART
IC-MCU
ROOM TEMPERATURE SENSOR
CONTROLLER
REMOTE CONTROLLER
INFRARED SIGNAL
RESET
CIRCUIT
OSCILLATION
CIRCUIT
POWER ON/OFF
TURBO OPERATION
SLEEP SELECT
MODE
(AUTO, COOL, DRY,
FAN, HEAT)
FAN SPEED SELECT
(H/M/L)
BLADE-H
MOVING SELECT
ON, OFF TIMER
SELECT
GENERATION ANION
OPERATION
TEMPERATURE
SELECT
ZERO
VOLTAGE
DETECT
• BLADE CONTROL (down/left/right)
• AUTO GRILLE CONTROL
• INDOOR FAN MOTOR CONTROL
(left/right)
• COMPRESSOR CONTROL
• TEMPERATURE CONTROL
• TIMER
• BUZZER CONTROL
TRIGGER
SIGNAL
SSR
• COMPRESSOR DRIVE
• OUTDOOR FAN MOTOR
DRIVE
• STEPPING MOTOR DRIVE
• BUZZER DRIVE
• COMPRESSOR CONTROL
SIGNAL
• STEPPING MOTOR
CONTROL SIGNAL
• BUZZER CONTROL SIGNAL
DC 5V
DC 12V
AC INPUT
SMPS Power Block
VOLTAGE REGULATOR
DB98-17813(1)_1 04/2/23 10:32 AM Page 35
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