Chapter 3 Replacing Assemblies
To Remove A6 High Stability Timebase Assembly (Options 001, 010, and
012)
3-20
Assembly-Level Service Guide
3
Figure 3-12. Option 001, 010, and 012 A6 High Stability Timebase
Assembly Removal
3
Disconnect the ac power supply’s two-wire cable from A6 High
Stability Timebase Assembly (if the two-wire cable exists).
4
Remove the three TORX 10 screws (H2) attaching the timebase to
the chassis as shown in Figure 3-12.
5
Remove A6 High Stability Timebase Assembly.
H2
H2
H2
1
Ext
Arm
Ref
In
I
N
P
U
T
S
!
AC LINE:
10 MHz Out
60 VA
100 - 120 VAC
200 - 240 VAC
50/60/400 Hz
50/60 Hz
OPTIONS
001 MS Oven
010 HS Oven
SERIAL PLATE
To Configure:
Hold Recall during turn-on.
Osc Adjust
RS - 232
ISM 1-A
92
FOR LABORATORY USE BY
QUALIFIED PERSONNEL
FOUR USAGE EN LABORATOIRE
PAR PERSONNEL QUALIFIE
HP-IB
Talk Only
2
3
A6 High Stability
Timebase Assembly
J9
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 ...