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Out of the fryingPad and into the iFire?

  • 20 March 2012
  • Written by 
  • Published in Mobility

 

With the "new iPad" only days old, users are complaining about over-heating issues.  Although they probably didn't read the instructions, we have the solution.

 

 

Fresh from announcing one of the largest profit distributions in American corporate history, Apple seems to have a problem with the new iPad.

 

The various iPad discussion forums are aghast with tales of the new iPad showing signs of considerable over-heating in the lower-left corner (when held in portrait mode).

Over at TechRepublic, resident spanner-wielder Bill Detwiler shows a tear-down of the new iPad, claiming that it is a pain to open and reseal.  In addition, the people at ifixit also offer us a view of the internals.  Here's what their combined hard work very clearly shows:

1. There is a one-inch wide electronics (motherboard?) module all down the left side of the unit (the battery pack occupies the remainder of the space behind the display).

2. In the 'offending' corner is the 30-pin dock connector along with the Broadcom BCM4330 802.11a/b/g/n radio with FM receiver and Bluetooth on one side of the motherboard and on the other some non-descript electronics which appear to be involved in power and docking connector management.

3. The actual power management chip is located approximately 1 quarter of the way up the side.

4. The System-on-chip dual-core CPU and quad-core GPU are located half-way along the left side; well above the point where users are feeling the heat.

Clearly, suggestions that the CPU/GPU is running hot (due to the extra work in driving the higher-resolution screen) cannot be correct, as the heat is nowhere near this chip.

But, what is the solution?  It's actually relatively clear from the tear-downs... Read on.

 


Beyond what was covered on the previous page, what's more intriguing are a couple of themes running through the forum discussions.

1. Compared side-by-side, the new iPad is discharging its battery considerably more quickly than the iPad 2.

2. The fast dischargers also seem to be having the heat problem.

3. Those users who complained of the heat and subsequently executed a full discharge and recharge (possibly over 2 or 3 cycles) found that the heat problem vanished.

Some have speculated that this initial hot-running is due to some kind of burn-in.  In fact one commenter noted that he will "burn in" a rebuilt car engine and suggests this equipment performs a self-controlled burn-in for much the same reason, to bed-down the systems (along with a heat-stress to cause faulty components to fail early).

The problem, of course is that new users have been too eager to get their sticky fingers on the (oleophobic screened) new iPad without bothering to give it the care and attention it needs when new.

For those people, PLEASE do the following:

1. Unbox the iPad and start using it, but let the battery run down to totally empty.

2. Recharge the battery to full and again use the device until it runs down to empty.

3. One more cycle might be nice, but at this point you're good-to-go.  No more over-heating; no more short battery life.

This may not be the only solution, but it appears to have worked for pretty-well everyone in the forums.  And of course if you never had the over-heating problem, please ignore these instructions totally!

 

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