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SiUS121827E Check
Part 6 Service Diagnosis 235
8.4 Power Supply Waveform Check
Check No.11 Measure the power supply waveform between No. 1 and No. 2 on the terminal strip, and check the
waveform disturbance.
Check if the power supply waveform is a sine wave (Fig.1).
Check if there is waveform disturbance near the zero-cross (sections circled in Fig.2).
[Fig.1] [Fig.2]
(R1736)
(R1444)
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