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Back to Measurement Equipments 2

Oscilloscope VP-5520C ( National )


[Outline] [Inside view] [Restoration]
[Replace the shorted AC line cable.] [Attach  the air filter.] [Adjustment of the Main A-Sweep rate.]
[Replace the light bulbs for scale illumination.] [Replace a BNC receptacle of CH2 input ]




Fig1. The rear panel and the air filter. Fig.2 Cut out the filter into the proper size.



Fig.3 Attach the filter. Fig.4 Attach the rear panel to the chassis.