Date: Sat, 19 Jan 2002 17:05:58 +0000
From: Paul Davey <[EMAIL PROTECTED]>
Subject: Re: [LIB] - L70 no power after hot undocking from EPR?

Looks like that's the problem - the pcb fuse is blown at the very least.

Looks like it's marked at 3.15A, but I found a 3A ultra fast blow - which
is the same surface mount package.

(RS part number is 843-419 on the web at http://www.rswww.com)

Thanks for the info.

--
         pd


At 21:13 17/01/2002, you wrote:
>Date: Thu, 17 Jan 2002 21:05:24
>From: "neil barnes" <[EMAIL PROTECTED]>
>Subject: Re: [LIB] - L70 no power after hot undocking from EPR?
>
>
>
>>Date: Thu, 17 Jan 2002 13:52:48 +0000
>>From: Paul Davey <[EMAIL PROTECTED]>
>>Subject: [LIB] - L70 no power after hot undocking from EPR?
>>
>>Hi,
>>
>>I'm sure I'm not the first person this happened to - but I can't find any
>>web page or
>>archive listing the problem - never mind a solution.
>>
>>I have a L70 and managed to pick up an enhanced port replicator a year or
>>so back.
>>All was well until I failed to power down the L70 before undocking.
>>(The manual warns you not to do this - but it's all too easy ...)
>>
>>Now my libretto works fine on the EPR when docked - (power is then supplied
>>from the normal PSU via the EPR through the base connection) ---
>>but the regular side power-in socket no longer powers up the machine,
>>and it seems that the battery is not charging in either configuration.
>>
>>I have split the battery pack (tougher than I expected) and checked the
>>internal themal
>>fuse and all seems well there
>>
>>So I assume I have blown a fuse or transistor within the L70.
>>
>>Anyone have any suggestions?
>>
>>Fixes (I'm fairly competent with a soldering iron) or repair services (in 
>>UK?)?
>>
>>regards
>>         Paul
>
>Got to admit, never having had a 70 manual, I pop mine on and off the epr 
>all the time without a problem...maybe I should be more careful :)
>
>There's a power supply fuse on the top of the pcb just behind the battery 
>connector. You'll have to take the complete pcb out to reach it. If it's 
>not that, then no idea - it's a little square section thing, easiest way 
>to fix is by soldering a suitable thickness fusewire across the body of 
>it, unless you have access to RS or Farnell cataloguesm both of whom list 
>it. Last time I looked, Maplins didn't.
>
>Neil
>
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