HP 5065A Operating And Service Manual page 347

MANUAL CHANGES MODEL 5065A (05065-9041)
SERIAL PREFIX OR
SERIES NUMBER CHANGES
Page 8-53, Figure 8-20. A10 Oscillator Assembly Block Diagram:
2120A >Replace A10 block diagram with A10 schematic diagram supplied
in these manual changes.
2142A >Change A10 (05065-6094) SERIES to 2134.
>Change A10, A10A3 component locator SERIES to 2134.
>Change A10A3R12, R13 value to 464 ohms.
2432A >Change A10A2 p/n from 05061-6165 to 05061-6174, SERIES 2432.
>Change A10A2R11 value to 147K.
>Replace A10A2 (05061-6165) component locator with new A10A2
(05061-6174) component locator, SERIES 2432 supplied in
these manual changes.
2644A01507 >Replace A10A2 (05061-6174) schematic diagram with new A10A2
and above schematic diagram (05061-6199, SERIES 2736A.
>Change A10A2R1 value from 464 ohms to 383 ohms.
Page 8-55, Figure 8-21. A11 RVFR Temperature Controller Assembly:
All Serials >Replace A11 component locator with new A11 component locator
supplied in these manual changes.
Page 8-63, Figure 8-23. A14 Logic Assembly:
All Serials >Change the value of R12 (20K) to 1000 ohms.
>Add R15 (20K) between circuit board common and junction of
CR2 and R16.
Page 8-64. Circuit Diagrams, Theory, and Maintenance:
2144A Power Supply and Regulator Circuit A15 Theory:
>Add the following to paragraph a:
"Starting with the A15 (Part No. 05065-610, SERIES 2144)
the bridge rectifier diodes on A15 are replaced by
chassis-mounted bridge rectifier CR4."
Page 8-65, Figure 8-24. A15 Power Supply and Regulator Assembly:
All Serials >Change part number of Q7 from 1853-0006 to 1853-0012.
>Add reference designation (C12) to disc capacitor loaded
directly below resistor R14, in A15 component locator.
2144A >Change A15 p/n from 05065-6023 to 05065-6100, SERIES 2144.
>Delete all connections to A15 terminals 12, 13, 14, and 15.
>Delete C1 and diodes CR1-CR4 in component locator and
schematic diagram.
>Add a connection by a wht-brn-yel wire (CR4 +) to the junction
of C7 and L1 and mark the wire "+24V-32V FROM