HP 5065A Operating And Service Manual page 168

Model 5065A
Circuit Diagrams, Theory, and Maintenance
Page 8-33, Figure 8-133:
Change A5, Digital Divider Assy to 05065-6025
Add A5S1 and S3 switches to schematic as shown
in Figure 7-19.
See Figure 8-13 of old manual
Page 8-35, Figure 8-14 and Page 8-37, Figure 8-15:
Change A5 Digital Divider Assy to 05065-6025.
Page 8-73, Figure 8-28:
Change A16, Digital Divider Power Supply Assy
to 05065-6028.
Change A16A1 to 05065-6029.
Replace schematic diagram with A16A1 schematic
diagram shown in Figure 7-20.
Page 8-69, Figure 8-26:
Add resistor A14R15 between the cathode of
A14CR2 and ground (value of 5100 ohms).
Change A14R12 to 1000 ohms and A14R16 to
150k ohms.
Page 6-16, Table 6-2:
Add A14R15; 0757-0941; R:FXD 5.1k OHMS 2%
1/8 W; 28480; 0757-0941.
Change A14R12 to 0757-0924; R:FXD MET 1k OHM
2% 1/8 W; 28480; 0757-924.
Change A14R16 to 0757-0976; R:FXD FLM 150k
OHM 2% 1/8W; 28480; 0757-0976.
Page 6-3 and 6-4, Table 6-2, A1 (15065-6076) Re­
placeable Parts:
Change A1A1R3 to 0698-3617; R:FXD MET FLM
100 OHM 2% 1/8W; 28480; 0698-3617.
Page 8-17 and 8-19, Figure 8-9, A1 Schematic
Diagrams:
Change A1A1R3 to 51 OHMS.
CHANGE 22 (1736):
Page 6-18, Table 6-2, Replaceable Parts:
Change fuseholders F1 and F2 part numbers (three
pieces each) to 1400-0085 for both fuseholders.
CHANGE 23 (1820):
Page 6-16, Table 6-2, A15 (05065-6023) Replace­
able Parts:
Add "(SERIES PREFIX 1820)" to A15 "Description".
Change A15R17 from 2100-1774 to 2100-1773 in
"HP" and "Mfr" part number columns. The 2100-
1773 control has a value of 1000 ohms.
Page 8-71, Figure 8-27, A15 Schematic Diagram:
Change A15 series number from 1840 (hot shown
on schematic) to "SERIES 1416".
Change value of A15R17 from 2000 ohms to
1000 ohms.
CHANGE 24 (1840):
Page 6-3 and 6-4, Table 6-2, Replaceable Parts:
Change A1 Module 05065-6076 series number
from 1908 to 1736.
Change A1A1Q20 from 1854-0547 to 1854-0035;
TRANSISTOR NPN SI; 28480; 1854-0035.
Page 8-17, Figure 8-9, Sheet 1 of 2 Schematic
Diagram:
Change A1 and A1A1 series number from 1908 to
1736.
Page 8-19, Figure 8-9, Sheet 2 of 2 Schematic
Diagram:
Change A1 and A1A1 series number from 1908
to 1736.
Change A1A1Q20 from 2N3725 to 1854-0035.
CHANGE A (Option 001 A16 Series 1532 only)
NOTE
The following change for A16 series number does
not affect the serial prefix number of the instrument
in which A16 is installed. Module assembly A16 is
added only when Option 001 or 003 is added. Con­
sequently, the series for A16 may not be the same
as the instrument serial prefix number.
Page 6-27, Table 6-5, Option 001 to 003 Replaceable
Parts:
Change A16 and A16A1 from series 1912 to 1532.
Change A16A1Q8 from 1854-0547 to 1854-0035,
TRANSISTOR NPN SI TO-5; 28480; 1854-0035
Page 8-73, Figure 8-28, A16 Schematic Diagram:
Change A16 and A16A1 series number from 1912
to 1532.
Change A16A1Q8 from 2N3725 to 1854-0035.
CHANGE B (Option 001 A5 Series 1840 only)
NOTE
The following changes for A5 series number does
not affect the serial prefix number of the instru­
ments with A5 added for Option 001 or 003. The
series number of the A5 module assembly may not
be the same as the instrument serial prefix number.
7-54