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TYPE 2A61
Page 3 of 5
Section
5
Performance
Check
Page
5-5
Lower
Frequency
Limited
Response
CHANGE:
last
line
of step
n to readi-
CRT.
Decay
time,
1.6 to 2.8 seconds.
Section
6
Calibration
Page
6-23
Check
Lower
Frequency
Limited
Response
CHANGE:
last
line
of
step
o
to
read:-
the Type
561A.
Decay
time,
1.6 to 2.8 seconds.
PARTS
LIST
CORRECTION
REMOVE:
D4a4
152~0246-00
Silicon,
low leakage
D524
152-0246-00
Silicon,
low leakage
CHANGE
TO:
C507
283-0059-00
1 pF
Cer
25 V
Q433
151-0190-00
Silicon
2N3904
Q508
151-1022-00
TO-18
2N4392
Selected
Q533
151-0190-00
Silicon
2N3904
R507
316-0106-00
10 MQ
1/4 W
10%
ADD:
C420
295-0114-00
1 pF
checked
C514
281-0579-00
21 pF
Cer
500 V
M13,443/168
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Troubleshooting
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