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6.8.2 Checking method
1.Check the connecting wiring of the defrost heaters are well or not, repair it if it is broken.
Feezer defrost heaters corresponding pins as the drawing below.
2.Enter compulsory defrost mode, use a multimeter to measure the voltage between pin
No.2 and No.7 on CN2 connectors of the mainboard, if the voltage doesn't equal to
electric supply power, it means the heater is broken, change it.
3.Use a multimeter to measure resistance of the heaters, if the value isn't 55.1Ω±10%, it is
broken, change the heater.
6.9 Removing the Display Component
Step 1. Use Philips screwdriver to remove three fixed screws, as picture 1.
Step 2. Unplug the connecting terminal, as picture 2.
Step 3. Disassemble the fixed screws, as picture 3.
Step 4.Remove the terminal, as picture 4.
Step 5.Remove the two fixed screws, as picture 5.
Step 6.Take out the display component, aspicture6.
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