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A70/A72 Output Board
AWG410, AWG420 & AWG430 Service Manual
You will need a screwdriver with a #2 Phillips tip (Items 1 and 3).
1. Locate the modules to be removed (see Figure 6–5 on page 6–15).
2. Do the procedure that precedes this procedure to remove the interconnect
cables.
3. Orient the waveform generator so that its top is down on the work surface
and its front is facing you.
4. Remove A70/A72 Output Board using Figure 6–23 on page 6–45 as a guide.
5. Unplug the following cables and connector:
H The coaxial cables to CHx Output connector at J190, and J290 (A72
only).
H The coaxial cables from ADD INPUT at J300.
H The interconnect cables from the A52 AWG Board at J100 and J200.
6. Remove the four screws attaching the Output board to the main chassis and
A52 AWG Board.
7. Lift the Output board up perpendicularly from the main chassis and A52
AWG Board to complete the removal.
NOTE. A70/A72 Output Board has a connector in a frontpanel-hand side, and is
connected with A50 Sequence Board.
If you remove A80 Digital Out Board, raise the bord perpendicularly. If the post
spacer(s) is removed with the Output board, remove the spacer(s) and screw it
back into its mounting hole.
8. To install, do this procedure in reverse order, and then refer to the procedure
Cabinet (page 6–20) to complete the assembly.
Removal and Installation Procedures
6-47
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