CHECK AND TEST 1

Step 1

Unscrew cover of mainboard with a Cross-head screwdriver.

Step 2

Check to see whether
wires in mainboard area
are broken.

DIAGNOSIS 1


PROCEDURE 1


Step 1

Cut off the wire.

Step 2

Peel off the sleeves.

 

Step 3

Make sure wires are in proper order and connect them.

Step 4

Tin soldering.

Step 5

Cover connecting point with electrical tape.

CHECK AND TEST 2

Step 1

Install the mainboard cover.

Step 2

Perform current leakage test.

Put one detector on earthing wire of socket, and another detector on surface of the appliance.

DIAGNOSIS 2