LeCroy WaveSurfer 400 Series

MAIN BOARD
Primary
1 18.5VDC
2 Primary Return
3CN1 PFC BOARD 5267-3A
3 Triac Bias
1 385VDC
5CN2 PFC BOARD 5566-2A
2 Primary Return
Secondary
Reference
Supplied BOARD
Connector Pin# Voltage /Function Comment
1 24V Bus Voltage CN9 EXT BOARD 5566-2A
2 GND
1 24V To printer
2 N.C
5CN1 EXT BOARD 5267-3A
3 GND
1,2 +5.0V
3,6 GND
4,5 -5.0V
CN2 Main Board 51067
7,8 +2.5V
1 +12.0V
2,4 GND
3 +9.0V
CN3 Main Board 51067
5 -12.0V
Theory of Operation 4-19