Re: TP755CD - backlight doesn't work

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From: James H. E. Maugham (CaptJHEM_at_waterw.com)
Date: Mon Jan 04 1999 - 17:32:04 EST


On 4 Jan 99, at 12:43, Paul Khoury wrote in reply to Eyvind Spangen:

> If it isn't the tube, it could be the inverter board, which converts the
> power from 12VDC to the a thousand or so volts that the tube needs.
> That's what I would replace next. I actually have one from a 355C, but
> don't know if it would be the same (though the 355/360/750/755 series are
> VERY similiar).

Also check the wiring of the switch at the left top of the base unit right in front
of the hinge. Failure of this switch will prevent the display from illuminating.
Depressing the switch while the unit is on should give you an audible signal,
even under DOS.

Let me know if it's the inverter board. I'll be parting out a 755CD this week
which has a shattered display. The DPO swears that his 6 year old attempted
to crack a walnut in it!

Regards,

James

James H. E. Maugham, V.P.
CaptJHEM_at_waterw.com
Share the Technology Computer Recycling Project
http://www.libertynet.org/~share


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