29
Circuit Descriptions
1) The sensor uses the characteristics of thermistor. If temperature goes higher, resistance goes
lower. On the contrary, if temperature goes lower, resistance goes higher.
2) A MICOM input voltage is calculated by sensor as follows.
(V
CC
: 5V, R
TH
: Sensor reisitance)
3) For the resistance data corresponding to a temperature and a MICOM input voltage, please
refer the conversion table on the back.
R
TH
V
F
= X Vcc
R
TH
+ R
301
When Sensor is open
MICOM input “HIGH”
When sensor is cut off
MICOM input “LOW”
( Air Sensor)
10-5) Temperature Sensing Circuit
Summary of Contents for RB2044SL
Page 1: ...Model RB2044SL Bottom Mounted Freezer SAMSUNG Home Appliance Service ...
Page 7: ...7 5 WARRANTY INFORMATION ...
Page 11: ...11 Refrigeration Cycle and Cool Air Circulation Route 7 2 Cool Air Circulation ...
Page 33: ...33 Circuit Descriptions ...
Page 37: ...37 Diagnostics 5 If the defrost sensor of the freezer has trouble ...
Page 40: ...40 Diagnostics 11 5 If the refrigerator fan doesn t work ...
Page 41: ...41 Diagnostics 11 6 If the compressor cooling fan motor doesn t work ...
Page 43: ...43 Diagnostics ...
Page 45: ...45 Diagnostics 2 If beep sounds continuously 3 When the digital panel PCB does not light ...
Page 46: ...46 Diagnostics 4 When a button of the digital panel is not selected ...
Page 49: ...49 11 PCB Circuit Diagram ...
