Main Power Connector; Speaker Connector - NEC EXPRESS5800/120Ld Service Manual

Main Power Connector

Pin Signal
1 +3.3 VDC
2 +3.3 VDC
3 COM
4 +5 VDC
5 COM
6 +5 VDC
7 COM
8 PWR-GD
9 5 VSB
10 +12 VDC

Speaker Connector

Pin Signal
1 SPEAKER
2 GND
Main Power Connector Pinout
Wire color Pin
Orange 11
Orange 12
Black 13
Red 14
Black 15
Red 16
Black 17
Grey 18
Purple 19
Yellow 20
Speaker Connector Pinout
Signal Wire color
+3.3 VDC Orange
3.3 V sense Brown
-12 VDC Blue
COM Black
PS-ON_L Green
COM Black
COM Black
COM Black
-5 VDC White
+5 VDC Red
+5 VDC Red
Connectors C-3