6 Explanation of Connectors
6.1. Main Board
6.1.1. CN1 ( to Front Panel )
Pin No. Signal Name Description Direction
1
2
3
4
5
6
+5V
nKEY
nLEDO 0
nLEDO 1
nLEDO 2
5VGND
----
Key Input
Ready LED (Green)
Error LED (Red)
Toner LED (Yellow)
OUT
IN
OUT
OUT
OUT
---

CN1 (to Front Panel)

6.1.2. CN2 ( OPC Drum Unit Interlock SW )
Pin No. Signal Name Description Direction
1
2
3
+5V
5VGND
+5V (LD)
+5V
---
+5V after thru OPC Drum Unit Interlock SW
OUT
---
IN

CN2 (OPC Drum Unit Interlock Switch)

6.1.3. CN3 ( LSU Control Signals )
Pin No. Signal Name Description Direction
1
2
3
4
5
6
7
+5V (LD)
5VGND
nVIDEO
5VGND
nLDON
nHSYNC
nADJUST
+5V after thru OPC Drum Interlock SW
------
Video Signal
-----
LD Light Enable
Horizontal Sync Signal (BD)
LSU APC timing
OUT
---
OUT
---
OUT
IN
OUT

CN3 (LSU Control Signals)

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KX-P7100