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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. There is contact between GND and AC lines.	Fig.2 The AC line cable was shorted.

Fig.3 Many kinks because of strong force.	Fig.4 Attach a new cable.