Tableof Contents
ii DPO4000 Series Service Manual
List of Tables
Table 4--1: External inspection check lis t 4--3......................
Table 4--2: Internal inspection check lis t 4 --4......................
List of Figures
Figure 2--1: DPO4000 series block diagram 2--1....................
Figure 4--1: Locator for trim and cabinet removal 4--7...............
Figure 4--2: Locator for internal modules 4--8......................
Figure 4--3:Primary troubl eshooting procedure 4--13................
Figure4--4:AC power supply troubleshootingprocedure 4--14.........
Figure 4--5: Module isolation troubleshooting procedure 4--15.........
Figure 5--1: Exploded view, case 5--4..............................
Figure 5--2: Exploded view: front panel and display,
4-channelinstruments 5--6...................................
Figure 5--3: Exploded view: front panel 2-channel instruments 5--8....
Figure5--4:Exploded view: power supply and I/O board 5--10........
Figure 5--5: Exploded view: mainboard, inverter board,
and side fans 5--12..........................................