Manufacturer: Hewlett-Packard Model: 2748A Serial No.: 939-00150 Year of Manufacture: Capacitor stamped with 6917.   Received: September 2003 Source: Thru SPARC. State upon Receipt: Grimey. Aluminum side castings quite scratched/corroded. Spots of corrosion on other surfaces. Black paint on front panel icky/soft and peeling.

Repairs:

Nov 2003:	Unit dismantled down to main chassis, cleaned. Aluminum side castings filed and sanded to remove corrosion, finish effort could be a bit better. Back panel scotch-brighted. Some spots of aluminum oxide between two front panels, scotch-brighted. Paint on front panel removed, sanded to brushed aluminum finish (should repaint). Numerous corroded nuts and lockwashers replaced.
Nov 2003:	Old-style power supply connector replaced with IEC standard.
Nov 2003:	Slight rust around capstan bearings. Covers popped and regreased with lithium grease.
08 Dec 2003:	Unit functions from front panel but does not respond to the control signal (J2-AA taken to GND). Transistor on board A2 (4-071 fed from A2-20 and A2-T via two diodes) has bad BE junction. Replaced with 2N4400. Unit functional.
08 Dec 2003:	Somewhat rusty steel top and bottom covers replaced with aluminum covers from other junked HP equipment (significant weight reduction).