Chapter 6 Backdating
Backdating Hardware
Assembly-Level Service Guide
6-5
6
b. Connect the negative lead of a voltmeter to the white wire
connection (GND) on the connector of the two-wire cable, and
connect the positive lead to the gray wire connection (
−
9V) as
shown in Figure 2-10.
Verify a reading of
−
9.0 ± 0.45 V.
Page 5-7, Table 5-3. HP 53131A/132A/181A Replaceable Parts:
Change A6 Options 001, 010, and 012 Timebase Support Board from
53132-60016 to 53132-60008.
Change A6 Option 010 Oscillator-Oven from 10811-60160 to
10811-60111.
Change A6 Option 012 Oscillator-Oven from 10811-60260 to
10811-60211.
CHANGE 4 (Series 3710A to 3705A)
53132A Only (Firmware Revision 3646A to 3546A)
Page 2-41, Table 2-2. HP 53132A Assembly Identification:
Change A1 Motherboard part number from 53132-60014 to
53132-60001.
Page 5-7, Table 5-3. HP 53131A/132A/181A Replaceable Parts:
Change A1 Motherboard (53132A) part number from 53132-60014 to
53132-60001.
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 ...