Samsung SC09AWH, Service Manual

Page: 45 / 106

Samsung Electronics 42
7. Block Diagram
HEAT EXCHANGER SENSOR
OPERATION
TIMER
TURBO
INDOOR FAN MOTOR
BUZZER
COMPRESSOR
OUTDOOR FAN MOTOR
STEPPING MOTOR
: BLADE UP/DOWN
DISPLAY PART
IC-MCU
ROOM TEMPERATURE SENSOR
CONTROLLER
REMOTE CONTROL
INFRARED SIGNAL
RESET
CIRCUIT
OSCILLATION
CIRCUIT
POWER ON/OFF
TURBO OPERATION
1HR TIMER
SLEEP SELECT
MODE
(AUTO, COOL, DRY,
FAN)
FAN SPEED SELECT
(H/M/L)
FLAP
ON, OFF TIMER
SELECT
ENERGY SAVING
BATTERY CHECK
TEMPERATURE
SELECT
ZERO
VOLTAGE
DETECT
• BLADE CONTROL
• INDOOR FAN MOTOR CONTROL
• COMPRESSOR CONTROL
• TEMPERATURE CONTROL
• TIMER
• BUZZER CONTROL
• OUTDOOR FAN MOTOR 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
• OUTDOOR FAN MOTOR
CONTROL SIGNAL
DC 5V
DC 12V
AC INPUT
SMPS POWER BLOCK
VOLTAGE REGULATOR
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