Replacing HP 700 terminal CRTs

COURYHOUSE at aol.com COURYHOUSE at aol.com
Sun Sep 25 23:46:05 CDT 2016


the only difference might be the  keycaps and ROMs! let me know!
 
Ed#
 
 
In a message dated 9/25/2016 9:35:27 P.M. US Mountain Standard Time,  
davidkcollins2 at gmail.com writes:

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. 

David  Collins


(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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