LA210 Schematics

Kevin Handy kth at srv.net
Fri Nov 11 15:10:54 CST 2005


Allison wrote:

>>Subject: LA210 Schematics
>>  From: Kevin Handy <kth at srv.net>
>>  Date: Fri, 11 Nov 2005 13:29:25 -0700
>>    To: "'General Discussion": "On-Topic and Off-Topic Posts'"
>><cctalk at classiccmp.org>
>>
>>Are the LA210 printer schematics/tech info available anywhere?
>>    
>>
>
>I have hardcopy buried somewhere I think. No B size scanner though.
>
>  
>
>>I have one that will print a few lines, then go through some kind
>>of reset (printing, lights go off, come back on, loss of text, repeat)
>>
>>Self-test print fails after a few lines in like manner. Prints a few
>>lines, resets, and stops printing.
>>    
>>
>
>You likely have a bad PS. Especially if it does it during self test.
>
>Easiest starting point is to check operating voltages.  If during 
>printing they drop or go flakey it's the PS.  The fact that it 
>prints at all says most of the logic is solid and working.
>
>Allison
>
>
>  
>
One of the reasons I want some kind of schematic.

So I can know what voltage levels should be where, and if I find
a flakey line, which parts produce it. The power supply is a
largish block with several wires, and iirc there is a "Power Ok"
buried in it somewhere.




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