Troubleshooting
4-66
Samsung Electronics
Indoor/outdoor communication error (2 min.) (Error Code: E202) (Cont.)
Communication IC Measuring (Port)
Steady-state Measuring Value
Remark
COM 1(RED)
#6 - #5
0.9kΩ ~ 1.2kΩ
Measuring after separating the
communicatio connection
#7 - #5
0.9kΩ ~ 1.2kΩ
#8 - #5
4.7Vdc ~ 5.3Vdc
TVS-Diode Measuring
Steady-state Measuring Value
Both ends of diode
1kΩ or above
Measuring Part
Communication IC Measuring Part
(Circuit Diagram)
Example of Measuring
Communication IC
Example of Measuring
TVS-Diode
Location
GND(#5)
Comm A(#6)
Comm B(#7)
Vcc (#8)
Measuring Point
#5-GND, #6- Communication A,
#7-Communication B, #8-Vcc
