Instruction manual

Table of Contents
vi
1720/1721
Figure 4-2: Block diagram of the Phase Lock Loop 4--7................................
Figure 5-1: Rear view of Remote plug connections.. 5--4................................
Figure 5-2: Loop--through connection of black burst signal to both EXT REF and CH-B. 5--7..
Figure 5-3: U sing the vector graticule --3 dB markings to measure bandwidth. 5--8...........
Figure 5-4: Signal connection for checking CH-A/CH-B phase matching. 5--10...............
Figure 5-5: Rear-panel XY INPUT connector showing inputs.. 5--14.......................
Figure 5-6: Audio frequency XY display. 5--15........................................
Figure 5-7: Adjustment and test point locations for 1720/1721 Vectorscope. 5--17.............
Figure 5-8: Starting connections for the adjustment procedure. 5--18.......................
Figure 5-9: Test points and adjustment locations for the ¦11.8V supplies. 5--21..............
Figure 6-1: Circuit board assembly locations 6--5.....................................
Figure 6-2: M ultiple pin connectors used in the 1720/1721 Waveform Monitors 6--6..........
Figure 6-3: Screws that need to be removed to remove the bezel. 6--17......................
Figure 6-4: Screws that need to be removed to remove the rear panel 6--19..................
Figure 6-5: Screws that hold the Front Panel circuit board (A2) in place. 6--20...............
Figure 6-6: Screws holding the main circuit board (A3) in place. 6--21......................
Figure 6-7: Screws holding the Power S upply circuit board (A1) in place. 6--22..............
Figure 6-8: Repackaging 6--23.....................................................