Samsung AM009KNQDCH/TC - Page 504

PCB Diagram and Parts List
Samsung Electronics 507
Wall Mounted type(MAX) (Cont.)
- Sub PCB (AM666MNQDEH6) (Cont.)
1
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.