Business Desktops/Calcs

35731B Monitor

Vectra Selection:

Name: 35731B Monochrome Monitor
Product Number: 35731B
Introduced: 1985
Division: Roseville Terminals
Original Price: $325
Catalog Reference: 1986, page 87


The 35731A/B was a twelve-inch monochrome monitor with resolution up to 640 x 400 dots. The 35731A/B (The "B" model was the international version) was commonly used with Original Vectra PCs and 300 Series computers. The 35731A/B supported the HP Touch Accessory.

Collector's Notes:

Modern multisync monitors will work in place of the 35731 including the NEC LCD1800, LCD1810, LCD1830 and LCD2010. You can also use a regular VGA monitor in place of the 35731 (when you use a composit-to-VGA converter, cost about $20).

As of 2013, we observed a 30% to 40% failure rate in 35431B monitors. The problem is usually with the power supply. This can sometimes be corrected by replacing an internal fuse on the power supply PCB (which can be accessed by disassembling the unit and removing the power supply assembly). 35731A monitors are less reliable with fewer than 40% still working.

The German company STCS makes a Composite to VGA converter that can be used in place of a 35731A, click here.

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