Power Pcb - Samsung AC048KXQPCC Service Manual

5-1-2 Power PCB

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2
①
CN02-MAIN PBA
#1 : DC12V
#2 : GND
#3 : DC5V
#4 : BLDC_PS
#5 : FAN_PWM
#6 : RPM_FEEDBACK
#7 : ZEROCROSS
#8 : PWR_RY_12
#9 : INRUSH_RY_12
#10 : DETECT_OV/LV
Samsung Electronics
5
② ③
CN71-POWER
#1 : L #1 : DC310V
#2 : NC #2 : NC
#3 : N #3 : AGND
#4 : NC #4 : DC15V
#5 : EARTH #5 : Vsp
#6 : RPM_FEEDBACK
④
CN501-BLDC MOTOR CN02-MAIN PBA
#1 : FAN_TURBO_4WAWY_12
#2 : FAN_HIGH_FAN_12
#3 : FAN_LOW_COMP_12
#4 : HEATER_CTRL_12A
#5 : HEATER_ZC
PCB Diagram and Parts List
4 1 3
⑤
CN72-AC LOAD
#1 : N
#2 : NC
#3 : COMPRESSOR
#4 : OUTDOOR FAN MOTOR
#5 : OUTDOOR 4WAY V/V
5-3