HP 8112A Operating, Programming And Servicing Manual page 337

Change 1
Change 2
Instrument case
Display Board
HP-18 Board
Component value change to improve vernier adjustment .
For instruments with serial numbers 2136G00120 and lower, make the
following change to the parts-list for the Main Board assembly Al in
Appendix B , Table A-3.
Al 08 112-66501 R438
For instruments with serial numbers 2136G00160 and lower, make the
following changes to the appropriate parts-lists:
In Appendix A, Table A-2
Reference
AO 081 12 MP2
MPS
MP9
In Appendix A, Table A-7
A5 08 112-66505 DS26
In Appendix A, Table A-8
A6 081 16-66506 Sl
Reference Description
RESISTOR
modify :
Description
SHAFT, POWER SW
FRAME REAR
PANEL REAR
modify:
Reference Description
DISPLAY NUM
DS27
DISPLAY NUM
DS28
DISPLAY NUM
DS29
DISPLAY NUM
modify:
Reference Description
SW AY-SL
HP Part #
0698-4425
HP Part #
081 12-43701
5020-8814
081 12-60253
HP Part #
1990-0649
1990-0531
1990-0531
1990-0531
HP Part #
3101-2097
Backdating B-3