Samsung Electronics - Samsung TH026EAV Service Manual

■ UH052EAV/UH060EAV
OUTDOOR TEMPERATURE SENSOR
DISCHARGE TEMPERATURE SENSOR
CONDENSOR TEMPERATURE SENSOR
FAN
COMPRESSOR
• 4-WAY VALVE
• EEV
INDOOR UNIT

Samsung Electronics

24867A(1)_TH026EAV_1.indd 5
CONTROLLER
IC-MCU
• FAN CONTROL (AC, BLDC)
• EEV CONTROL
• 4-WAY CONTROL
• PFC CONTROL
• COMPRESSOR CONTROL(BLDC)
• LED CONTROL
• INDOOR COMMUNICATION
• EEPROM R/W
OSCILLATION
CIRCUIT
• AC ZERO CROSSING SIGNAL
• COMPRESSOR ZERO
CROSSING SIGNAL
• BLDC FAN PULSE SIGNAL
• IPM FAULT SIGNAL
• DC VOLTAGE
• AC CURRENT
• FAN CONTROL SIGNAL
• EEV CONTROL SIGNAL
• 4-WAY CONTROL SIGNAL
• PFC CONTROL SIGNAL
• COMPRESSOR CONTROL(6P,BLDC)
• LED CONTROL SIGNAL
• NDOOR COMMUNICATION SIGNAL
SMPS
PFC CIRCUIT
AC INPUT
Block Diagram
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2006-04-03 ｿﾀﾀ・9:49:27