A quick peek inside one of the generic Freescale IMX515 8″ Android tablets (otherwise known as Herotab M802 / APad IMX515 / ePad 8003.
For my full review on this product, please visit here.
There are no screws holding the unit together from the outside. The front resistive panel is ‘clipped’ into place. To undo, pry from the volume rocker, which has an access hatch. The resistive plastic panel is thick, at least 5mm.
Keep an eye out for the ribbon cable which connects the resistive panel to the controller, it is finicky to reinstall. 4 screwed in tabs hold the main display panel in place, though you only need to remove the bottom two (as pictured) to pivot the screen upwards. There are also controllers for the volume rocker / power switch as well as the home button / universal plug at the bottom. The 3rd PCB pictured is the Wifi antenna.
The internal layout of the unit is fairly sparse, with two extremely small speakers at either end. The overall size could have been reduced around 1-2cm without impacting anything, though this would have reduced ‘hand’ space when holding the unit. Manufacturing date stamps around the unit show late August 2010.
The main display unit, fairly thin, but nothing fancy. No part information available.
The Freescale Semiconductor IMX515 processor itself (MCIMX515CJM6C data sheet). The IMX515 supplies LCD controller, network, USB and memory integration, as well as hardware acceleration for 2D/3D functions. A pair of Nanya 256MB DDR2 RAM modules (NT5TU64M16GG-AC data sheet) are present, clocked at 800mhz @ 1.8v. The chip on the top right is the Freescale MC13892 (fact sheet), designed to regulate power delivery/charging, various user interface options and driving the LCD.
A large ribbon cable supplies the display with required information. This daughterboard also regulates power from the batteries.
Here is where the ROM sits, on a 4GB Sandisk Micro SDHC card mounted internally. I haven’t yet inspected the structure of the file system, but logic would dictate the internal memory can be easily upgraded to a larger SDHC card. A faster card than Class 2 would also yield substantial performance improvements.
A pair of non-descript batteries power the show. They are rated on the spec sheet at 3900mah.