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HP 5304A Operating And Service Manual page 86

Timer/counter

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Model No. 5304A
05304-90006
ERRATA (Cont'd):
Page 9D-5-18, Table 9D-5-1, I n Cabinet Performance Checks:
Change Step e.4. to "COM'SEP-CHK to SEP".
Change Step e.5. to "LEVEL (both channels) to position giving most
stable display".
Page 9D-6-2/3, Table 9D-6-1:
*
Change A1R19/20 to 2100-1985.
Add M P 1 Part Number 1460-1312 Spring Clip.
Add MP1 Part Number 0905-0479 Gasket.
C H A N G E 1
Page 9D-6-2, Table 9D-6-1:
Add A1 Part Number 05304-20001 Board Blank RevD.
Page 9D-8-5, Figure 9D-8-1, A1 (05304-60001) Schematic Diagram:
Add "NOTE 3" j u s t above l i n e showing connection between A1U12D (13) and
junction of A1U12A (2) and A1U12C (9).
Add the following under NOTES:
3.
IN "REV D" CKT BOARDS, A1U12D (13) IS CONNECTED T O A1U12 (8);
N O T TO JUNCTION OF A1U12A (2) AND A1U12C (9).
Page 9D-6-4, Table 9D-6-1:
Under Miscellaneous Parts:
Change 05300-20010 to 05300-20025.
CHANGE 2
Page 9D-6-2, Table 9D-6-1:
Change A1Q13/A14 to Part Number 1854-0094 XSTR NPN SI.
Page 9D-7-7, Figure 9D-7-1:
In Table of active components:
Change A1Q13/14 to 1854-0094.
Page 9D-8-5, Figure 9D-8-1:
I n Table of active components:
Change A1Q13/14 to 1854-0094.
CHANGE 3
Page 9D-6-2, Table 9D-6-1, A1 (05304-60001) Replaceable Parts:
Change A1Q1 and A1Q2 from 05304-80001 to 1855-0213; DUAL JFET N-CHANNEL
2N592.
Page

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