Hitachi MPJ1 Manuel D'utilisation page 80

USB STORAGE
G
USB A type jack
Pin Signal
 +5V
2 - Data
3 + Data
4 Ground
USB
H
USB B type jack
Pin Signal
 +5V
2 - Data
3 + Data
4 Ground
COMPUTER IN1 COMPUTER IN2
S-VIDEO
K
VIDEO
4 3 2 
4 3
2

Connection to the ports (continued)
H G
AUDIO OUT
USB USB STORAGE
DC 5V 0.5A
AUDIO IN
5