Chapter 3 Replacing Assemblies
To Remove the Front Bezel
Assembly-Level Service Guide
3-7
3
5
Remove the BNC nuts (H3), shown in Figure 3-5, from the front
panel using the 14-mm deep-socket spin tight.
Figure 3-5. Front Bezel Removal
6
For Counters with the optional 1.5 GHz or 3.0 GHz channel
(Option 015 or 030), pull cable W1 out of the front bezel as shown
in Figure 3-5. For the optional 5.0 or 12.4 GHz channel, remove
knurled nut.
CAUTION
When reassembling A3 (Option 015/030) Assembly, ensure that cable W1
is not placed or folded on top of the input circuits of A1 Motherboard
Assembly or is tucked behind A3 as the Counter may start reading or
measuring noise.
H3
H1
H1
W1
J6
P/O A2 Display Board Cable
H1
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 ...