Component Testing Tips - LG TD-C70040E Service Manual

COMPONENT TESTING TIPS

7
Component
1. Thermostat
(Manual type)
2. Thermistor
(Low temp.)
3. Heater,
Thermistor
Thermistor
4. Motor
5. Capacitor
6. Pump
Test procedure
Measure resistance of
Terminal to terminal
1) Open at 170°C (-10/+5°C)
Measure resistance of
terminal to terminal
Measure resistance of
Terminal to terminal
Measure resistance of
therminal to terminal
Measure resistance of
Terminal to terminal
Measure capacitance of
Terminal to terminal
Measure resistance of
Terminal to terminal
Check result
Measure resistance by pressing
button When resistance becomes ∞
Resistance value < 5Ω
Resistance value :
10KΩ 5% (at 25°C)
Resistance value :
Yellow/White : 28.96 1Ω
Blue/White : 56.29 2Ω
Resistance value :
200KΩ 5% (at 25°C)
Resistance value :
White/Blue : 24.8 2.5Ω
Blue/Red : 21.5 2.0Ω
Capacitance value : 10 0.2µF
Resistance value :
205 10Ω
15
Remark
Safety
Thermostat
Cover, Front
Heater