Change
40
Change
41
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
(
08 1 12-66534
)
was introduced with
one 32k EPROM replacing old ROMs. Changes to circuit diagrams
and trouble shooting signature analysis table
(
s
)
were involved in this
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:
Instrument
In Appendix A, Table A-3 and Table A-5:
modify
Reference
Description
HP Part #
AO 08112 A3
BD AY-MICROPRCR 081 12-66533
Microprocessor Board
In
Appendix A, Table A-5
modify:
B-22 Backdating
Reference
Description
HP Part #
A3 081 1 6-66533 BTl
BAT NI-CAD 1420-0251
UlO
RAM
1818- 1 768
In Appendix A, Table A-5
delete :
Reference Description
HP Part #
A3 081 16-66533 CR6
R24
U40
W3
Summary of Contents for 8112A
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Page 144: ...8 32 Testing Performance ...
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Page 194: ...10 2 4 Servicing the Power Supply ...
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Page 240: ...10 4 16 Servicing the Shaper and Output Amplifier ...
Page 242: ...A R l BD RY MR I N 1 2 7 I I IJt 51 CR1 B e i 1 _ _ _ _ 20 ...
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Page 262: ...A B A2 ED RY CONTROL ...
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Page 290: ...R B c R3 BD RY M I CROPROCESSOR 1 2 3 FIGURE 1 0 7 8 ...
Page 294: ... 8 X2l 2 X2 Figure A 1 Mechanical Parts 1 A 2 Replaceable Parts ...
Page 295: ...MP MP3 MP MP2 MP4 MPS MP 1 2 MPS MP MP I B ElElElEl Replaceable Parts A 3 ...
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Page 378: ...Figure B 14 Mechanical Parts 1 B 44 Backdating ...
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