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Testing dielectric strength
Complete a dielectric strength test to verify insulation integrity and that the leakage current does not
exceed the limits given below.
This procedure is provided as a guide only. See your Dielectric Strength Test Equipment user manual
for specific instructions.
1. Configure the dielectric strength test equipment with the settings given below: Current Type
Output Voltage (kV) Maximum Current Leakage (mA) Minimum Current Leakage (mA) Ramp
Time(s) Dwell Time(s)
Current
Type
DC
2. Create a test cable:
a) Acquire a AC female line cord.
b) Strip the leads on the non-plug end of the cable.
c) Twist the line and the neutral (black and white, or blue and brown) together to create a
short.
3. Attach the test high voltage (HV) lead to the lamp power supply (LPS) line and neutral
(shorted together) terminals of an AC auxiliary outlet.
4. Attach the test return lead to the LPS earth ground post.
5. Ensure no one is touching the EUT and perform the test as per the Test Equipment
instructions.
6. Verify there is no dielectric breakdown and that the leakage current is below 7.1 mA.
Roadie 4K35 and 4K45 Service Manual
020-101694-03 Rev. 1 (01-2016)
Copyright
2016 Christie Digital Systems USA Inc. All rights reserved.
©
Output
Maximum
Voltage (kV)
Current
Leakage
(mA)
2.12
7.1
Parts and module replacement
Minimum
Ramp
Current
Time(s)
Leakage
(mA)
0
4
Dwell
Time(s)
6
85
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