Connector Location And Pin Layout; Logic Board Ass'y - Canon PIXUS 50i Service Manual

2. CONNECTOR LOCATION AND PIN LAYOUT

2.1 Logic Board Ass'y

J302
J303
J306
J305
J201 (DC-DC board I/F)
No. Signal name
1 24V
2 GND
3 5V
4 2.5V
5 GND
6 VIN
7 POWER_ON DC-DC converter on/off control
8 VH_ON
9 BAT_TXD
10 POWER_SW Optional battery output signal
J301
J304 J401
VM motor drive power supply
GND
5V logic drive power supply
2.5V logic drive power supply
GND
Power supply voltage (for printer power supply voltage detection)
Head drive power supply VH output enable
Serial sending data to the optional battery charger
J203
Function
3 - 2
J202
J201
J205
Input/Output
IN
IN
IN
IN
OUT
OUT
OUT
OUT