Main Board
Main Board: This is the top of the Main Board.
The Main board is responsible for controlling the body and reading the sensors, I believe it also contains the amplifiers for the speakers. It communicates with the Media board via a serial connection.
There are now three ICs on the board, two of which appear identical. They appear similar to the ICs on the RoboSapien V2's board, but I haven't compared them yet. What is important to note, unlike the ICs in the RoboSapien V2, these carry a naming schema and markings that I believe denote them as being manufactured by SunPlus (Which should be familiar from the main chip in the RoboSapien V2's Camera board). Unlike the Camera board, the Main board carries no helpful (but somewhat cryptic on the RoboSapien V2) labeling. What isn't apparent from these pictures is that the while five pin socket shown above does not have a matching plug, and on mine it is also damaged, suggesting something was plugged in and then unplug in a hurried fashion.
The ICs are labeled as follows
SPCE061A - 16-bit Sound Controller with 32K x 16 Flash Memory, you can see a datasheet here.
SPBA01A - is probably a Bus extender you can see a datasheet for a similar product here.
The unused header mentioned above is connected to the programing port for the SPCE061A. Unfortunately WowWee will almost certainly have blown the security fuse, preventing reading and writing of the memory. Even if they haven't, there is no public data available on how to program them and the IDE is not available.
Photos of the RS Media's Main board
Main Board: This is the underside of the Main Board
Circuitry: This photo shows the RS Media's circuitry attached to the rear of the Torso with both chest plates removed.