HP 8112A Operating, Programming And Servicing Manual page 370

Change 57
Main Board
Change 58
Instrument
B-36 Backdating
Component values changed to improve instrument performance at
low operating temperatures required by changeover to new style Rate
I Cs.
For instruments with serial number 2851 G09506 and lower, make the
following changes to the appropriate parts-list :
In Appendix A, Table A-3
Al 081 12-6651 1 C200, C220 Capacitor
For instruments with serial number 3205G 1 0006 and lower:
1 . Make the following changes to the appropriate parts-lists:
In Table A-2
modify:
Reference
AO 081 1 2 A l
A3
MPS
M P 1 1
MP14
MP25
In Table A-2 add:
modify:
Reference Description
Capacitor
C240
Resistor
R30
Description
BD AY-MAIN
BD AY-MICROPRCR
FRAME REAR 2
HEATSINK POWER
KEEPER
FUSEHOLDER BODY 2 1 1 0-0564
HP Part #
15 pF 0160-4385
18 pF 0160-4492
200 n 0757-0407
HP Part #
081 1 2-6651 1
081 1 2-66534
5021-5814
08112-21105
081 1 2-04154