Manual Changes; Introduction; Reference Circuit Schematic Backdating - HP 11713A Operating And Service Manual

Model 11713A
Manual Changes
SECTION VII
MANUAL CHANGES
INTRODUCTION
This section contains manual change instructions
for backdating this manual for HP Model 11713A
Attenuator/Switch Driver with serial number pre¬
fixes lower than 2508A.
MANUAL CHANGES
To adapt this manual to your instrument, refer to
Table 7*1 and make the manual changes listed
opposite your instrument's serial number prefix.
The manual changes are listed in serial number
prefix sequence and should be made in the se¬
quence listed.
If your instrument's serial number prefix is not
dT^edb'fith^titlie'pagVofthis'm'anTidhjir m'Tsibie'
.7:L _ be documented in a MANUAL
CHANGES supplement. For additional important
information about serial number coverage, refer to
INSTRUMENTS COVERED BY MANUAL in
Section I.
Table 7-1. Manual Changes by Serial Number Prefix
Serial Number Prefix Make Manual Changes
1850A F, E, D, C,B,A
1946A F, E, D, C, B
2135A F, E. D, C
2223A F. E,D
■"■'"FrET"'" ■ ■
2421A F
MANUAL CHANGES
MANUAL CHANGE INSTRUCTIONS
CHANGE A
Page 6-7, Table 6-2:
Delete A5R7 and A5R8 0757-0438 RESISTOR-PXD 5.11K 1% .125W
Change A5U1 to 1820-1197.
Page 8-11 Figure 8-5:
Replace with Figure 7-2.
Page 8-11, Figure 8-6, Service Sheet 3:
Chang A5 schematic diagram to configuration in Figure 7-1.
Change part number for U1 to 1820-1197 in TRANSISTORS AND INTEGRATED CIRCUIT PART
NUMBERS box (right-hand side).
Figure 7-1. Reference Circuit Schematic Backdating {Partial Diagram. Part of Change A)
7-1