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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. CH2 input BNC receptacle was broken.	Fig.2 Behind the front panel.

Fig.3 The new and old BNC receptacles.	Fig.4 Replace BNC receptacle to new one.

Fig.5 Same as Fig.4.	Fig.6 After replacement.