
PCB Diagram and Parts List
Samsung Electronics
5-25
①
#1,#2,#19,#20:COMM. SIGNAL
#3,#18:EXTERNAL CONTROL
#4,#17:COMP CHECK
#5,#16:ERROR CHECK
#6:VCC(DC5V)
#7,#14:GND
#8,#13,#15:DC12V
#9~#12:COMM. SIGNAL
CN1-2WIRES COMM.
1
This Document can not be used without Samsung’s authorization.
5-3. Indoor Unit Sub PBA
■ 2 wires communication PBA - RAC, Console : AC***BNADCH, AC***BNTDCH, AC***BNJDCH