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/ Apple Service Training: … to Apple Monitor Service / Introduction to Apple Monitor Service v1.0 1994.iso / DS⁄IAMS visuals / topic6 / Cutoff.140.11khz.ms (.mp4) < prev    next >
Apple QuickTime movie  |  1994-02-08  |  946.6 KB  |  300x226  |  30fps  |  54 seconds  |  [MooV/TVOD]
Transcription: Connect the voltmeter's ground lead to the monitor chassis and then use the other lead to check the red, green, and blue cathode voltages. Touch the voltmeter probe to the contact marked KR and read the voltage. It should read within two volts of 140 volts DC. If necessary, adjust the red background control until the DC voltage measures 140 volts. Make sure the voltage is within two volts of 140. Next, touch the voltmeter probe to the contact mark KG and check the voltage. Adjust the green background until the voltmeter reads within two volts of 140. Repeat the procedure with the contact mark ...