Chapter 4 ELECTRICAL SIGNALS
4-2 UNI-5 Service Manual
XJ2
No. Signal Name Direction Opposite Side
USB-1 Vbus -
LAN, USB memory
USB-2 D- ←→
USB-3 D+ ←→
USB-4 GND -
LAN-1 TX+ →
LAN-2 TX- →
LAN-3 RX+ ←
LAN-4 Not connected
LAN-5 Not connected
LAN-6 RX- ←
LAN-7 Not connected -
LAN-8 Not connected -
XJ17
No. Signal Name Direction Opposite Side
1,2,5,7,9,11,
14,16,29,30
GND
-
PK-263(XJ1)
3,4 DC+5V power supply for LCD -
6,8,10,12,13,
15,17,18,19
LCD control signal
→
20,21 AC power supply for LCD -
22 DC-10V power supply for LCD -
23 DC+15V power supply for LCD -
26 DC+15V power supply for LCD backlight -
27,28 Light control signal for LCD backlight →
24,25 DC+5V -
XJ6
No. Signal Name Direction Opposite Side
1 D#
P-999
2 D
3 DC+12V
4 GND
5 FG
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