Chapter 4 Retrofitting Options
To Retrofit A5 DC Power Input Assembly (Option 002)
4-6
Assembly-Level Service Guide
4
4
Insert and tighten the two hex screws (H4) and the lock washers
(H5) onto the HP-IB connector that protrudes from the rear of the
chassis using the 7-mm spin tight.
5
Now, re-install the front bezel by performing the front bezel
removal procedure, in Chapter 3 of this guide, in reverse. Be sure
to insert A2 Display Board’s cable into connector J6 on
A1 Motherboard Assembly.
6
Tighten the three H1 screws, shown in Figure 4-1A, to secure the
motherboard to the chassis.
Figure 4-1B. DC Power Input Assembly Retrofitting
H2
H2
H1
J18
A4 AC Power Supply
Assembly
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 ...