Samsung SH12ZS4AX - PCB Diagram; 9-1 Main PCB Diagram (Top View)

Samsung Electronics40
8. Block Diagram
HEAT EXCHANGER SENSOR
TURBO
OPERATION
TIMER
TEMPERATURE*
FUNCTION
INDOOR FAN MOTOR
(left/right)
BUZZER
COMPRESSOR
OUTDOOR FAN MOTOR
STEPPING
MOTOR
-Blade
-Auto grille*
FUNCTION
PART
DISPLAY PART
*
: Option
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)
FAN SPEED SELECT
(H/M/L)
BLADE-H
MOVING SELECT
ON, OFF TIMER
SELECT
FUNCTION*
SELECT
TEMPERATURE
SELECT
ZERO
VOLTAGE
DETECT
• BLADE CONTROL
• AUTO GRILLE CONTROL*
• INDOOR FAN MOTOR CONTROL
• COMPRESSOR CONTROL
• TEMPERATURE CONTROL
• TIMER
• BUZZER CONTROL
• FUNCTION CONTROL*
TRIGGER
SIGNAL
SSR
• COMPRESSOR DRIVE
• OUTDOOR FAN MOTOR
DRIVE
• STEPPING MOTOR DRIVE
• BUZZER DRIVE
• FUNCTION DRIVE*
• COMPRESSOR CONTROL
SIGNAL
• STEPPING MOTOR
CONTROL SIGNAL
• BUZZER CONTROL SIGNAL
•
FUNCTION CONTROL SIGNAL*
DC 5V
DC 12V
AC INPUT
SMPS Power Block
VOLTAGE REGULATOR
AC INPUT
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