HP 8112A Operating, Programming And Servicing Manual page 347

50 mhz programmable pulse generator
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Main Board
Change 1 9
Microprocessor Board
In Appendix A, Table A-3 modify:
Al 08 112-66501 C535
In Appendix A, Table A-3 add:
Al 08112-66501 1513
There was a board revision involving component changes and
substitution, caused by a changeover from l k x 4 RAM chips to 2k x 8.
For instruments with serial number 2343G02105 and lower,
1 . Make the following changes to the appropriate parts-lists:
In Appendix A, Table A-5 modify:
A3 08 1 16-66523 UlO
In Appendix A, Table A-5 delete :
A3 08 1 16-66523 R2 1
In Appendix A, Table A-5 add:
A3 081 16-66523 U l l
Reference Description
Capacitor
Q400
Transistor
Reference Description
Ferrite Bead
Reference
Description
IC RAM 444C
Reference Description
U38
Reference
Description
IC RAM 444C
HP Part #
68 pF
0160-5737
Dual PNP 1853-0075
HP Part #
9170-0029
HP Part #
18 18-1330
HP Part #
HP Part #
18 18-1330
Backdating B-13

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