HP 5065A Operating And Service Manual page 84

Rubidium vapor frequency standard
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Model 5065A
Circuit Diagfams, Theory, and Maintenance
Figure 8-6, (Wiring Diagram 2 of 3):
Delete R7 from A17(6) and ground
Make appropriate changes to Section VI tables.
Delete R4. Make appropriate changes to Section
VI tables.
Figure 8-11, A3 Multiplier Assembly:
Delete L1, 2, 4, 3 from J1, J2, J3, J5 BNC's.
Add jumper wires in place of deleted coils.
Make appropriate changes to Section VI tables.
Figure 7-2, A2 Battery Charger (Option 002):
Change BT1 to 24.0 V, 1420-0009.
Make appropriate changes to Section VII tables.
CHANGES 2 (836-):
Figure 8-17, A7 AC Amplifier Assembly:
Change A7A1C9 to 1.0 mf 0160-0127.
Change A7A1R17to 11K-0757-0949.
Change A7A1R18 to 10K-0757-0948.
Make appropriate changes to Section VI tables.
Figure 8-8, A1 Synthesizer Assembly:
Delete C47.CR41.
Add R96,1K-0757-0924 in place of CR41.
Change Q17, Q19 to 1854-0005 (2N708).
Make appropriate changes to Section VI tables.
CHANGE 3 (840-):
Table 6-2, A3 60 MHz Multiplier Assembly:
Change A3A1T1 to 00105-8003.
Table 6-2, A13 Buffer Amplifier Assembly:
Change A13A1T1 to 00105-8003.
Figure 7-1, A2 Battery Charger Assembly (Op­
tion 002):
Change Q5, Q6 to 1854-0003.
Change CR11 to 1902-3224 (17.8 V).
Change CR15 to 1902-3104 (5.62 V).
Add CR14 between CR15-R27 junction and Q11
base (anode to A11).
Make appropriate changes to Table 7-2.
CHANGE 4 (848-):
Figure 8-11, A3 Multiplier Assembly:
Change Q1 to 1854-0092.
Change Q2, Q5, Q6, Q8to 1855-0081.
Change Q4 to 1854-0060.
Change Q7 to 1853-0015.
Change C3 to 91 pf.
Make appropriate changes to Section VI tables.
Figure 8-25, A13 Buffer Amplifier:
Change C7 to 100 pf. Make appropriate changes
to Section VI tables.
Figure 8-9, A1 Synthesizer Assembly:
Delete R97, 98, 99.
Make appropriate changes
to Section VI tables.
CHANGE 5 (852-):
Figure 8-27, A15 Voltage Regulator Assembly:
Delete C12.
Make appropriate changes to Section VI tables.
CHANGE 6 (902-):
Figure 8-9, A1 Synthesizer Assembly:
Change R19 to R:Fixed:2K.
Make appropriate
changes to Section VI tables.
Table 6-2, A14 Logic Assembly:
Change CR13 to 1884-0003.
Table 7-2, A2 Battery Charger Assembly (Option
002):
Change CR8 to 1884-0003.
CHANGE 7 (916-):
Page 6-7, 6-8, Table 6-2, A4:
Replace A4 portion of Table 6-1 with Table 7-3.
Page 8-18, 8-19, Figure 8-12:
Replace A4 related text, Component locator and
Figure 8-12 with A4, 100 kHz text in Section VII
and with Figures 7-3, 7-4, and 7-5.
Page 7-4, Table 7-2:
Change for A2 Battery Charger, Option 002
Board Assembly only (Series No. 916 to 904).
Page 7-4, Table 7-2:
Change A2R12 to 0811-2586, R:Fxd w.w. 910
OHMS, 3%, 2W.
Change A2R13to 0811-2587, R:Fxd w.w.
4.1 OHMS, 3%, 2W.
Change A2R18 to 0757-0948, R:Fxd met flm,
10KOHM,2%,
1
/4W.
Page 6-23, Table 6-3, A12:
Change 05065-6074 to 5065-6030.
Page 6-9, Table 6-2, A7:
Change A7J1 to 1250-0258.
Page 6-5, Table 6-2, A3:
Change A3, 0565-6078 to 05065-6008.
Change A3J4 to 1250-0258.
Change A3J7 to 1250-0258.
Change A3J8 to 1250-0258.
Page 6-16, Table 6-2:
Change W4 to 05065-6035.
7-2

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