LeCroy WaveSurfer 400 Series

4-20 Theory of Operation
1 -12.0V F.B –12.0V
2 +12.0V F.B +12.0V
3 -5.0V F.B –5.0V
4 +5.0V F.B +5..0V
5 LINE Line tiger
Signal
6 BAT EN Battery EN.
CN4 Main Board 5268-07A
7 BAT VS Battery V.S.
1 +12Vdig CN5 Main Board
FAN MOTOR
5568-02A
2 GND
Reference
Supplied
BOARD
Connector Pin# Voltage
/Function
Comment
1,2,11 3.3Vdig
3 GND
4 5.0Vdig
5,7,13 GND
6,19,20 5.0Vdig
8 PWR_OK TTL level
9 +5.0Vstb Standby Power
10 +12.0Vdig
12 -12Vdig
15,16,17 GND
14 PS_ON# <0.8V:ON/>2V:OFF
CN6 UATX-Board 5566-20A
18 -5.0Vdig
1 LINE
CN11 PFC BOARD 5267-02A
2 GND