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TEST PROCEDURE
24.2 With the tester set to the above parameters, perform the test. If the unit fails, remove the top cover
and repair the problem. Once the unit is repaired, repeat the Hi-Pot and the ground bond test to ensure
the unit is safe to return to the customer.
26. Ground Bond Test
Note: This test only needs to be performed if the chassis ground wire from the AC IEC connector to the
inside of the chassis of the amplier has been removed or disturbed as part of a repair. If it has not, this
test does not need to be performed. This test measures current handling capability between the ground
blade on the AC inlet or mains plug and the earth bond point on the rear of the chassis.
Ground Bond Tester Settings:
10A, < 12VAC open circuit, < 0.1 Ohms from AC earth terminal on IEC connector in chassis, to earth
bond point on rear of chassis.
26.1 Connect the AC mains cord to the back of the Unit Under Test. Plug the other end of the AC cord
into the ground bond test box.
26.2 With the tester set to the above parameters, perform the test. If the unit fails, remove the top cover
and repair the problem. Once the unit is repaired, repeat the Hi-Pot and the ground bond tests to ensure
the unit is safe to return to the customer.
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