On May 26, 2004, at 9:48 AM, G-Books wrote:
Date: Wed, 26 May 2004 09:40:09 -0400 Subject: Re: Pismo power problem From: Laurent Daudelin <[EMAIL PROTECTED]>
on 26/05/04 04:20, [EMAIL PROTECTED] at [EMAIL PROTECTED] wrote:
Just wanted to ask your opinion on the most likely cause of the following
problem:
- Pismo 400 cannot charge battery in either bay
- the computer will occasionally turn off by itself if on battery power;
also occasionally turns off when on AC power
Does this sound like the AC/charging board on the logic board? It's a
separate part from the logic board isn't it? That is, if I find one on ebay,
etc., I can swap out just the board?
Looks like the Power Management Unit, or charging board. Yes, it separate
from the logic board and you can just swap out the board. I got one on eBay
the other day for around $15. It's hell to replace though, as you have to
completely strip the Pismo down...
There are two boards in the power-management loop - one in the back that has the AC input along with sound in/out, and another underneath the trackpad that also controls the mouse button.
If it turns off while on battery, I would suspect the cheaper trackpad board. However, turning off when on AC makes the sound board a likely culprit, which is generally more than $50 on eBay.
Either one requires taking the entire upper part off of the computer.
---
JSH
TiBook
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