Model 100, again

From: Charles P. Hobbs <transit_at_primenet.com>
Date: Mon Nov 17 21:52:22 1997

>
> BTW, are you sure a new display is needed for this M100?

I sure hope not. From what I've read so far, reinstalling it would be a
royal pain. . .

> Firstly my M100
> TechRef lists separate part numbers for the display itself, the mounting
> frame, the driver chips, etc. So you might be able to reapir the old one.
>
> And secondly, I've never had a M100 display fail. What normally fails is
> the -5V power supply (normally an O/C rectifier IIRC). This supply is used
> by the serial port, internal modem _and_ as the bias supply for the LCD
> panel.

Any idea which rectifier it could be (I see at least 22 of them on the
motherboard)

I guess I could check them all with a voltmeter, although in-circuit
testing of these things is fraught with peril. . .
Received on Mon Nov 17 1997 - 21:52:22 GMT