HP 8112A Operating, Programming And Servicing Manual page 356

50 mhz programmable pulse generator
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Change 40
Change 4 1
I nstrument
Microprocessor Board
B-22 Backdating
This change introduced the HP 8 1 16A sub-panel which has better
RFI characteristics. No backdating action for earlier instruments is
required.
New microprocessor board A3
one 32k EPROM replacing old ROMs. Changes to circuit diagrams
and trouble shooting signature analysis table
change. Details of appropriate parts, drawings etc. for older style
microprocessor boards are given here.
For instruments with serial number 2633G05780 and lower:
1 . Make the following changes to the appropriate parts-lists and
trouble shooting information:
In Appendix A, Table A-3 and Table A-5:
Reference
AO 08112 A3
In
Appendix A, Table A-5
A3 081 1 6-66533 BTl
In Appendix A, Table A-5
A3 081 16-66533 CR6
(
)
08 1 12-66534
was introduced with
(
modify
Description
BD AY-MICROPRCR
modify:
Reference
Description
BAT NI-CAD
UlO
RAM
delete :
Reference Description
R24
U40
W3
)
s
were involved in this
HP Part #
081 12-66533
HP Part #
1420-0251
1818- 1 768
HP Part #

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