Block Diagrams - Samsung AM18A1(B1)E09 Service Manual

7. Block Diagrams

7-1 Micro Computer Block Diagram
HEAT EXCHANGER SENSOR
ROOM TEMPERATURE SENSOR
INFRARED SIGNAL
REMOTE CONTROLLER
POWER ON/OFF
MODE
(AUTO, COOL, DRY , FAN)
TURBO
FAN SPEED SELECT
BLADE-H
MOVING SELECT
ON, OFF TIMER SELECT
TEMPERATURE SELECT
SLEEP SELECT
TIME SETTING
AC INPUT
Samsung Electronics
INDOOR CONTROL PANEL
RESET
CIRCUIT
OSCILLATION
CIRCUIT
MODE SELECT
SWITCH
• COMPRESSOR CONTROL
SIGNAL
•
STEPPING MOTOR
CONTROL SIGNAL
•
BUZZER CONTROL
SIGNAL
• COMPRESSOR DRIVE
• STEPPING MOTOR
DRIVE
BUZZER DRIVE
•
DC 5V
VOLTAGE REGULATOR
POWER TRANSFORMER
•BLADE-H CONTROL
•INDOOR FAN MOTOR
CONTROL
•COMPRESSOR
CONTROL
•TEMPERATURE
CONTROL
•TIMER
•BUZZER CONTROL
TRIGER
SIGNAL
SSR
DC 12V
INDOOR FAN MOTOR
SPEED DETECT
ZERO CROSSING
*
INDICATOR PANNEL
OPERATING/DEICE LED
TIMER LED
FAN LED
TURBO LED
INDOOR FAN MOTOR
COMPRESSOR
STEPPING MOTOR
BUZZER
7-1