Still working on determining all the pin functions, I dont know what many of the connections into the V2's head are for at this point. I'd probably need a logic analyzer to figure it out.

Main Board Connectors
Picture
Pin
Colour
Name
Function
Type
Description

Left Foot

1
Orange BAT- 3 Volts Out To I/O Board This connector connects to the board in the left foot. It carries the signals from the touch sensors and the backward tilt sensor, as well as 3 volts out from the brain battery the connects into the right foot.
2
Black GND Ground
3
Blue RFB Back Touch -> Ground
4
Purple RFF Front Touch -> Ground
5
Yellow BB0 Tilt Sensor
6
Green SV

Right Foot

1
Blue SV Tilt Sensor To I/O Board This connector connects to the board in the right foot. It carries the signals from the touch sensors and the forward tilt sensor, as well as 3 volts in from the left foot and 6 volts out for the brain.
2
Purple FB0
3
Black GND Ground
4
Green LFF Front Touch -> Ground
5
Yellow LFB Back Touch -> Ground
6
Brown 6VIN 6 Volts Out
7
Red BAT- 3 Volts In

Left Hand

1
Black GND Left Wrist Encoder To I/O Board The connector connects to the board in the left hand. It carries the signals from the Touch sensor and the right Wrist Encoder.
2
Green B0
3
Yellow B1
4
Orange RT Touch
5
Red SV

Right Hand

1
Black GND Right Wrist Encoder To I/O Board The connector connects to the board in the right hand. It carries the signals from the Touch sensor and the right Wrist Encoder.
2
Green B0
3
Yellow B1
4
Orange LT Touch
5
Red SV
Picture
Pin
Colour
Name
Function
Type
Description

Left Shoulder

1
Red SV   Pot This connector connects to the pot in the left shoulder that determines the arms up/down position.
2
Orange RSVR  
3
Black GND  

Right Shoulder

1
Red SV   Pot This connector connects to the pot in theright shoulder that determines the arms up/down position.
2
Orange LSVR  
3
Black GND  

Left Hand Switch

1
White LPUP Hand Closed Switch Switch This connector connects to the switch in the chest that determines if the left hand is fully closed or not.
2
White SV

Right Hand Switch

1
White RPUP Hand Closed Switch Switch This connecter connects to the switch in the chest that determines i the right hand is fully closed or not.
2
White SV

Head Turn

1
Yellow B2 Head Turn Encoder Encoder This connector connects to the encoder in the neck that determines the heads left / right position, and roughly if the hands are open or closed.
2
Green B1
3
Blue B0
4
Black GND

Head Tilt

1
Brown B1 Head Tilt Encoder Encoder This connector connects to the encoder on the left side of his neck that determines the heads up / down position.
2
Red B0
3
Orange GND
Picture
Pin
Colour
Name
Function
Type
Description

Waist Tilt Forward / Backward

1
Red GND Waist Tilt Pot Pot This connector connects to the pot in the right hip joint that determines his torso forward / backward orientation in relation to his legs.
2
Yellow CHEST
3
Black SV

Waist Tilt Left / Right

1
Black GND Common Encoder This connector connects to the encoder at the front of his waist that determines if his torso is tilted left or right with respect to his legs.
2
Yellow BR Right
3
Orange BL Left

Waist Rotate Left / Right

1
Red SV   Pot I assume this connector connects to a pot in his chest that determines if his torso is rotated left / right with respect to his legs.
2
Blue WVR  
3
Black GND  

Groin Tilt Sensor

1
Grey CB0   Tilt I dont know for sure what this tilt sensor measure (mine appears to be broken), but I think it measures if his torso is upright. I will have to pull it out and see if I can fix it before I can say for sure.
2
Grey SV  

Power

1
Yellow SPK Speaker To I/O Board This connector connects to the power switch board in the back of his chest plate, it also carries the signal for the speaker.
2
Black P_LOW Power Low?
3
Orange 6V 6 Volts In
4
Red 6VIN 6 Volts Out
Picture
Pin
Colour
Name
Function
Type
Description

Motor Header 1

1
N/A GND Ground To I/O Board This connector connects half the signals from the mainboard to the motor board. The signals it caries are Left Shouder Rotate, Left Wrist Rotate, Head Turn, Waist Bend, Head Rotate and the output for the Eyes to move, which appears to be slaved to the head turning.
2
N/A (V 9 Volts Out
3
N/A B - RS Left Shoulder Rotate Down
4
N/A F - RS Left Sholder Rotate Up
5
N/A B - RE Left Wrist Rotate Left
6
N/A F - RE Left Wrist Rotate Right
7
N/A B - NECK Head Rotate Left
8
N/A F - NECK Head Rotate Right
9
N/A B - CHEST Waist Tilt Forward
10
N/A F - CHEST Waist Tilt Backward
11
N/A B - HEAD Head Rotate Down
12
N/A F - HEAD Head Rotate Up
13
N/A B - EYEM Eyes
14
N/A F - EYEM Eyes

Motor Header 2

1
N/A F -RF Left Foot Backward To I/O Board This connector connects the second half of the signals from the mainboard to the motor board. The signals it caries are Left Foot Move, Right Foot Move, Waist Tilt, Waist Rotate, Right Wrist Rotate and Right Shoulder Rotate.
2
N/A B - RF Left Foot Forward
3
N/A F - LF Right Foot Forward
4
N/A B - LF Right Foot Backward
5
N/A F - BODY Waist Tilt Left
6
N/A B - BODY Waist Tilt Right
7
N/A F - WAIST Waist Rotate Left
8
N/A B - WAIST Waist Rotate Right
9
N/A F - LE Right Wrist Rotate Right
10
N/A B - LE Right Wrist Rotate Left
11
N/A F - RE Right Shoulder Rotate Down
12
N/A B - RE Right Shoulder Rotate Up
Picture
Pin
Colour
Name
Function
Type
Description

Head IR Transmitters

1
Orange W Right To I/O Board This connector connects to the head IR Transmitter
2
Red S Middle
3
Grey W Left
4
Black V Common

Camera Board

1
Green CV Uknown To I/O Board Camera Board, Camera is only enabled after a flinch (as long as the object remains visible in all the IR sensors). low frequency signals on HSD, RDY and SK. RST is high while the camera is active (I've never seen it go low while the camera is active, but I assume it must at sometime). CV is the camera power and when high the camera is powered.
2
Yellow HSD Uknown
3
Orange RDY Uknown
4
Red SK Uknown
5
Brown RST Uknown
6
Black GND Uknown

Head Board Connector

1
Brown GND Uknown To I/O Board Head IR Receivers?
2
Orange LV Uknown
3
Yellow LI Uknown
4
Green RV Uknown
5
Blue RI Uknown
6
Purple DV Uknown
7
Black DI Uknown

Head Board Connector

1
White EMB Uknown To I/O Board Eye Motors, Eye LED's and Mic's?
2
Grey ENF Uknown
3
Black SV Uknown
4
Purple REE Uknown
5
Blue LEE Uknown
6
Red GND Uknown
7
Yellow RMIC Uknown
8
Orange LMIC Uknown
Picture
Pin
Colour
Name
Function
Type
Description

 

Control Chip

Pin Name
Function
Pin Name
Function
Test
 
P23
RDY
VO1
Speaker Output - See Speaker
P24
Interconnection With The Driver Chip

VO2

 
P25
????
connected to ground
P26
GND
Ground
P27
OS1
Connects to the small crystal labeled Y41 on the board
P30
LT - Right Hand Touch Sensor
OS0
P31
RT - Left Hand Touch Sensor
RST
 
P32
LPUP - Left Hand Closed Sensor
P10
LI
P33
RPUP - Right Hand Closed Sensor
P11
RI
P34
FB0 - Forward Tilt Sensor
P12
DI
P36
REE - Right Eye LED
P13
 
P37
LEE - Left Eye LED
P14
 
P50
 
P15
RDY
P51
 
VDD
 
P52
 
P20
BB0 - Tilt Backwards Sensor
P53
RST
P21
CB0 - Torso Tilt Sensor
P56
Head Tilt Back / Forward Encoder
P22
HSD
P57

 

Driver Chip

Pin Name
Function
Pin Name
Function
PC7 RFB - Left Foot Front Button P61 WVR - Waist Rotate Left / Right
PB0 BR - Waist Tilt Right P60 CHEST - Waist Tilt Pot
PB1   P87 Waist Rotate Left / Right
PB2 BL - Waist Tilt Left P86
PB3 SDA and SCL repesctively, to the Main Board Serial EEPROM P85 Waist Tilt Backward
PB4 OSC1 To Crystal Oscilator
PB5 B0, B1 and B2. Neck \ Hands Encoder OSC0
PB6 P84 Waist Tilt Forward
PB7 P83 Left Shoulder Up / Down
P90 Right Wrist Rotate Left / Right P82
P91 P81 Left Foot Backward / Forward
P92 Left Wrist Rotate Left / Right P80
P93 RST  
P94 Left Shoulder Rotate Left / Right P77 B1 and B0, Right Wrist Encoder
P95 P76
P96 Head Rotate Left / Right P75 B1 and B0, Left Wrist Encoder
P97 P74
P57 B1 and B0, Head Tilt Back / Forward Encoder P73 Interconnection with the control chip.
P56 P72
VDD   P71
PLLC Connected through capacitor C43 to ground. P70
GND   PC0 Waist Tilt Left / Right
P67 LFB - Right Foot Front Button PC1
P66 LFF - Right Foot Rear Button PC2 Right Foot Forward / Backward
P65   PC3
P64   PC4 Left Foot Forward / Backward
P63 RSVR - Left Shoulder Pot PC5
P62 LSVR - Right Shoulder Pot PC6 RFB - Left Foot Rear Button