HP 5065A Operating And Service Manual page 90

Rubidium vapor frequency standard
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Model 5065A
Circuit Diagrams, Theory, and Maintenance
CHANGE 8 (928-):
Page 8-5, Figure 8-4:
Delete T.E.D device and P17/J17 of A12 and
connections going to Q1, A15(5).
Page 8-7, Figure 8-6:
Delete CR3, P17/J17 and T.E.D. device.
Connect
Q1
emitter
directly
to
A15(5)
and label wire WHT-BLK-BLU.
Page 8-10, UNIT THEORY OF OPERATION:
Replace "PRESET DIVIDER TEXT" and "POWER
SUPPLY" text with
Paragraph 7-11
through
7-16, and
Synthesizer
Timing
Diagram
and
Thumbwheel Switch Section.
Page 8-11, Figure 8-8:
Replace Figure 8-8 with Figure 7-6.
Page 8-13, Figure 8-9:
Replace Figure 8-9, component locator and wave­
forms with Figures 7-7, 7-8, and 7-9.
Page 8-15, Figure 8-10:
Replace Figure 8-10 and component
locator
with Figure 7-10 and 7-11.
Page 8-43, Figure 8-14:
Delete T.E.D device and P17/J17 information
from A12 R.V.F.R.
Pages 6-3, 6-4, 6-5, Table 6-2:
Replace A1 portion of Table 6-2 with Table 7-4.
Page 5-15:
Add Tables 7-5, 7-6, 7-7, and 7-8.
Page 6-15, Table 6-2:
Delete CR3.J17.
CHANGE 9 (940):
Page 8-45, Figure 8-25, A12 RVFR Assembly:
Change A12A1C3 to 10 pf.
Change A12A1C4 to 5.6 pf.
Page 6-23, Table 6-3, A12 Parts List:
Change A12A1C3 to 0160-2199, C:Fxd Mica 10
pf 5%.
Change A12A1C4 to 0160-2251, C:Fxd Cer. 5.6
-.25 pf Vdc w.
CHANGE 10 (956):
Page 8-29, Figure 8-17, A7 Assembly:
Replace Figure 8-17 with Figure 7-13, Page 7-31.
Replace A7 text on Page 8-28 with Page 7-27.
Replace text and component locator on Page 8-29
with Page 7-29 (includes Figure 7-12).
Pages 6-9, 6-10, Table 6-2, A7 Parts List:
Replace A7 parts list on those pages with con­
tents of Table 7-9, Pages 7-33 and 7-35.
CHANGE 11 (960):
Page 1-2, Table 1-1:
v
-
Change AC POWER CABLE to HP Part No.
05061-6091.
Page 1-2, Table 1-2:
Change Standby Power Supply description test
line to 115/230 Vac ±10% 50-400 Hz.
Page 2-2, Table 2-2:
Add CLOCK, 4 pin male (J7); Connector HP Part
1251-0128; Mating Connector HP Part No. 1251-
0127;
Mating Connector Descriptin 4-pin Male
plug.
Change AC LINE, 3-pin make jack (J8) Connector
_
HP Part No. to 1251-0146 and Mating Con­
nector HP Part No. to 1251-0257.
Page 6-15, Table 6-2:
Change C5A, B to 0160-3043, C:FXD CER 2 x
.005 UF 250V
Add J6, 1250-0140, Connector BNC.
_
Add J7,1251-0128, Connector female 4 contact.
Change J8 to 1251-0146, Connector 3-pin male.
Add F3, Fuse 2110-0001, Fuse: 1A, 250V.
F3, Fuseholder 1400-0084, Extractor Post-type.
~
Change F1 to 2110-0001.
Change DS1 to 1450-0113, Lampholder: Red
Lens.
Change S1 to 3101-0033.
Page 6-16, Table 6-2:
Add W8 05065-6039, Cable Assy: Rear Panel to
A4.
Add W8 1250-0050, Nut:Clamp.
Add W8 1250-0051, Pin: Connector.
_
Add W8 8120-0229, Cable.Coax 50-OHM, RG-
188A/U.
Change ac power cable (under misc.) to
114B-16A.
~
Page 7-5, Table 7-2:
_
Change
A3DS3
to
1450-0113,
Lampholder:
Red Lens.
Page 8-3, Figure 8-2, Block Diagram:
Change DS1, Integrator Limit color to Red.
Change DS3, Battery Lamp color to Red.
Change DS2, Continuous Operation Lamp color
to Amber.
Add Following J6 Figure to A4 Block:
,J6
14
)
A4
lOOKHz
DIVIDER
7-4

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