Manual Changes - HP 5065A Operating And Service Manual

Model 5065A
Circuit Diagrams, Theory, and Maintenance
7-1. MANUAL CHANGES
SECTION VII
MANUAL CHANGES AND OPTIONS
Table 7-1. Manual Changes
7-2. This manual applies directly to Model 5065A
Rubidium Vapor Frequency Standard having serial
number prefix 1104.
7-3. NEWER INSTRUMENTS
7-4. As changes are made, newer instruments may
have serial prefix numbers not listed in this manual.
The manuals for these instruments will be supplied
with an additional "manual changes" sheet containing
the required information; contact the nearest Hewlett-
Packard Sales and Service Office for information if
this sheet is missing.
7-5. OLDER INSTRUMENTS
7-6. This manual with changes listed in Table 7-1
applies to Model 5065A Rubidium Vapor Frequency
Standard having serial number prefix 968 and below.
7-7. OPTIONS
7-8. There is one option available; Option 001 Time
Standard. Some instruments were Option 002 or
Option 003.
a. Option 002: (Standby Power Supply) Add
Figure 7-1 and Table 7-2 to manual. Perform manual
changes listed in Paragraph 7-5. Applicable to instru­
ment serial prefix 916 and below.
b. Option 003: (Combines Option 001, 002) Add
Figure 7-1, and Table 7-2 to manual. Perform manual
changes listed in Paragraph 7-5.
7-9. Option 001 Time Standard
7-10. For Option 001, see Figures 8-13 to 8-15.
7-11. Three changes that alter a particular assembly
series number but not the instrument series number
are located at the end of this section. They are:
Change A
Change B
Change C
(Option 001 A16 Series 1532 Only)
(Option 001 A5 Series 1840 Only)
(Option 001 A5 Series 723 Only)
CHANGE 1 (820-):
Figure 8-18, A8 Phase Detector Assembly:
Delete R50 10K resistor. Make appropriate
changes to Section VI tables
Serial
Prefix No.
820
836
840
848
852
902
916
928
940
956
956
964
968
1104
1220
1320
1340
1416
1420
1532A00631
and Below
1532A00632
through
1532A00790
1736
1820
1840
Make Manual Changes
1 through 24
2 through 24
3 through 24
4 through 24
5 through 24
6 through 24
7 through 24
8 through 24
9 through 24
10 through 24
11 through 24
12 through 24
13 through 24
14 through 24
15 through 24
16 through 24
17 through 24
18 through 24
19 through 24
20 through 24
21 through 24
22 through 24
23 through 24
24 only.
Figure 8-16, A6 1 MHz Divider Assembly:
Change L2 to 17 fih 9140-0107. Make appropriate
changes to Section VI tables
Figure 8-25, A13 Buffer Amplifier Assembly:
Change A13A1R12 to 910 ohm 0757-0923.
Change A13A1Q1, Q2, Q3 to 1854-0092
(2N3563). Make appropriate changes to Section
VI tables.
Figure 7-2, A2 Battery Charger Assembly (Option
002):
Change CR7 to 31.6 V 1902-3290. Make appro­
priate changes to Section VII tables.
Figure 8-27, A15 Voltage Regulator Assembly:
Change R16 to 100 ohms 0757-0900. Make
appropriate changes to Section VI tables.
7-1