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6th-gen iPod nano dismantled to reveal battery 2x larger than shuffle

post #1 of 6
Thread Starter 
Apple's new sixth-generation, multi-touch iPod nano has a battery with more than twice the capacity of the similarly-sized iPod shuffle, while its tiny 1.54-inch display has a pixel density nearly twice that of the iPad.

iFixit concluded its series of teardowns of Apple's latest iPod lineup with the new iPod nano. Thanks to the addition of a multi-touch screen and the ditching of the click wheel, the device is less than half the size of its predecessor.

The new device has a case design very similar to the latest iPod shuffle, including a lack of screws on the exterior. Despite their similar size and shape, the new iPod nano has a battery capacity of 105 mAh, versus the 51 mAh on the screen-less iPod shuffle.

The battery in the new iPod nano only has two wires, while every previous generation device has had three wires, including one that ties into a "thermistor." The site said that the battery inside the new iPod nano is likely small enough that overheating is not a concern.

The solutions provider also noted that the LCD multi-touch display on the device has a resolution of 240 by 240 pixels, which adds up to 220 pixels per inch. That's a total well beyond the 132 PPI density on Apple's iPad, which sports a much larger 9.7-inch screen, but it's also much lower than the 326 PPI density found on the Retina Display of the latest iPhone and iPod touch.



Other information gathered in iFixit's teardown:

"The front glass on the 6th generation Nano sticks up about .3 mm from the flat face of the outer case. Why, you ask? Presumably the headphone jack. Apple wanted to keep the device as thin as possible, and the curvature of the edges would have forced the case to be thicker for a completely flush glass panel. A thicker case was ditched in favor of the glass sticking out slightly."

like the latest iPod shuffle, the new nano has a tiny logic board and battery sharing about an even amount of space inside.

The display assembly on the iPod nano is just 2.27mm thick, thinner than the 2.93mm display on the new iPod touch, and 3.05mm display on the iPhone 4.

All of the external buttons and inputs -- headphone jack, volume and sleep/wake -- are on the same ribbon cable around the inner perimeter of the device.

Like the previous generation hardware, the headphones act as the FM radio antenna, and any headphones will work as an antenna.

Inside, the new iPod nano has eleven screws. "Quite a hefty amount for such a small device," they said.

Overall repairability of the sixth-generation iPod nano was given a score of 5 out of 10, as removing the display without a heat gun is difficult and the battery is soldered to the logic board.
post #2 of 6
Wow, there's really not a lot in one of those things.
post #3 of 6
What about a CPU?
post #4 of 6
Quote:
Originally Posted by matrix07 View Post

What about a CPU?

My guess is it's the IC with the Apple logo on it to the right of the PCB. Something like this doesn't exactly need a powerful CPU.

Given one of the key restricting factors on packaging these things seems to be the headphone jack, I wonder if Apple (or anyone else for that matter) might eventually take a stab at introducing a new design for audio out? They'd have to release the spec so people could make their own peripherals (much as I love Apple, I wouldn't buy a music player which restricted me to their headphones), but realistically there is no technical reason why the audio out connector needs to be as big as it is.
post #5 of 6
Quote:
Originally Posted by PaulMJohnson View Post

My guess is it's the IC with the Apple logo on it to the right of the PCB. Something like this doesn't exactly need a powerful CPU.

It might doesn't but from YouTube videos I saw the new Nano is very fast.
post #6 of 6
Quote:
Originally Posted by PaulMJohnson View Post

They'd have to release the spec so people could make their own peripherals (much as I love Apple, I wouldn't buy a music player which restricted me to their headphones), but realistically there is no technical reason why the audio out connector needs to be as big as it is.

They tried once with the original iPhone (people needed an adapter for most of their headphones), and people criticized them heavily for doing that. Even now, some manufacturers resist going along with the 3 band audio connector that Apple developed for carrying both the mic and audio signals. What makes you think others will go along with an entirely new one, let alone a redesigned standard?
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