Replacing HP 700 terminal CRTs
davidkcollins2 at gmail.com
Sun Sep 25 23:35:18 CDT 2016
Apart from the different colors I'd be surprised if all the tubes weren't interchangable between the 700 series. I think the only difference between models is the logic PCA and ROMs etc. The 700 series service manual would confirm one way or the other.
(Sent from out of office)
> On 26 Sep. 2016, at 3:08 am, Al Kossow <aek at bitsavers.org> wrote:
> I picked up a 700/60, the ANSI version of the HP 700-series terminal and when I took it
> apart to clean, it had a VDC 1401DP31BE inside. I swapped the CRT into a 700/92 which
> has a slightly different board, and a burned in amber tube, and it worked fine.
> Also I noticed the 700/96 PCB is almost identical to the 700/60, so I'll try a
> rom swap to see what happens.
> Too bad there aren't generally available cross reference list for terminal CRTs.
> FWIW, the 700/96 has a Philips M32ECD3G CRT.
> VDC is having a "sale" on the 1401DP4 and P31. The tube price is pretty cheap but the
> shipping is about double when you price it against their normal $55 price. The shipping
> goes down with quantity, so if you buy 5 or so it ends up being about $25 a tube and
> significantly cheaper than all of the ones listed on eBay.
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