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Chapter 3 Replacing Assemblies
To Remove the A2 Display Board, Keypads, and Window
Assembly-Level Service Guide
3-11
3
To Remove the A2 Display Board, Keypads,
and Window
1
Remove the cover.
See the section titled “To Remove the Cover” in this chapter.
2
Remove the front bezel.
See the section titled “To Remove the Front Bezel” in this chapter.
3
Note that A2 Display Board Assembly, shown in Figure 3-7, is held
in place by five tabs (two on top and three on bottom) which are
part of the front bezel.
Figure 3-7. A2 Display Board, Keypad, and Window Removal
A2 Display Board Assembly
P/O Rubber Keypads (MP6)
Front Bezel (MP4)
Window (MP5)
Cap
BNC Nuts (H3)
P/O Rubber Keypads (MP6)
(Shown with
Optional Channel 3)
Summary of Contents for 53131A
Page 1: ...Assembly Level Service Guide HP 53131A 132A 181A 225 MHz Counter ...
Page 2: ......
Page 14: ...Contents xii Assembly Level Service Guide ...
Page 22: ...Preface xx Assembly Level Service Guide ...
Page 23: ...1 Performance Tests Verifying Specifications ...
Page 97: ...2 Service ...
Page 149: ...3 Replacing Assemblies Disassembly and Reassembly ...
Page 173: ...4 Retrofitting Options ...
Page 191: ...5 Replaceable Parts ...
Page 201: ...6 Backdating Manual Changes ...
Page 218: ...Chapter 6 Backdating Backdating Specifications 6 18 Assembly Level Service Guide 6 ...
Page 219: ...7 HP 53131A 132A Specifications ...
Page 235: ...8 HP 53181A Specifications ...
Page 246: ...Chapter 8 HP 53181A Specifications General Information 8 12 Assembly Level Service Guide 8 ...
Page 252: ......
Page 254: ... Manual Part Number 53131 90039 Printed in U S A MARCH 1999 ...