Chapter 3 Replacing Assemblies
To Remove A1 Motherboard Assembly
3-10
Assembly-Level Service Guide
3
Figure 3-6. A1 Motherboard Assembly Removal
8
Remove the BNC nuts (H3), shown in Figure 3-6, from the rear of
the chassis using the 14-mm deep-socket spin tight (Opt 015/030
only). Remove knurled nut for Option 050.
9
Remove the three screws (H1) in A1 Motherboard Assembly as
shown in Figure 3-6.
10
Finally, slide the motherboard assembly forward.
H4
H1
H1
H1
H5
H3
A1 Motherboard
Assembly
H5
MP1
A3 1.5/3.0 GHz
Channel Assembly
(Option 015/030)
J7
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 ...