Table of Contents
List of Figure
s
Figure 1: Four-channel model MSO4000B and DPO4000B series block diagram ......................... 5
Figure 2: Tw
o-channel model MSO4000B and DPO4000B series block diagram.......................... 6
Figure 3: Removing tabs from the front protective cover..................................................... 23
Figure 4: Module locator ......................................................................................... 24
Figure 5: Primary troubleshooting procedure .................................................................. 26
Figure 6: AC power supply troubleshooting procedure....................................................... 27
Figure 7: Module isolation troubleshooting procedure........................................................ 28
Figure 8:
Exploded view, Front Panel assembly............................................................... 34
Figure 9: Display, Analog board, and Main board assembly ................................................ 36
Figure 10: Rear chassis and connecting modules.............................................................. 38
Figure 11: External parts ......................................................................................... 39
Figure 12: Rear chassis, showing cables and connectors ..................................................... 40
Figure 13: Main board, showing cable and connectors ....................................................... 41
ii MSO4000B and DPO4000B Series Digital Phosphor Oscilloscopes Service Manual