Tektronix 2A60 Instrument Reference Book page 42

Type 60 (con'd)
INSTALLATION INSTRUCTIONS:
a) Remove the following wires and components:
1) R481, 470 k 1/2W resistor, connected between CSA-24 and CSB-24.
2) R482, 100k l/2W resistor, connected between CSA-25 and CSB-25.
M6089
(con 'd)
3) Bare wire connecting left-hand terminal of R48 3 (Int Trig DC Level) and CSB -22.
b)
4) Bare wire connecting center terminal of R483 to CSB-25.
5) R483, the Int Trig DC Level potentiometer.
Install the following wires and components:
1) R48~, 250k pot. Connect the bare wire from
CSB-26 and the black-brown-brown wire to the
the right-hand terminal of R483.
2) Bare wire between CSB-25 and CSB-26.
3) Bare wire from CSB-27 to the left-hand
terminal of R483.
4) R480, 4. 7 Meg resistor, from the center
terminal of R483 to CSB-24.
5) R481, 1 Meg 1% resistor, and C481, a
1.
8 pF
ceramic capacitor, between CSA-24 and
CSB-24.
6)
R482, 500k 1% resistor, between CSA-25
and CSB-25.
R.4Bl
R.480
l;!,E~Of<.B
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+
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N\O'D
R.484
V483
2.2.
K..
+-
,en
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C404-
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-- -
.01
R481
470 k.
R.483
R4B2.
2.SOK
100
k.
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II
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R4B6
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0
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Page 6 60/2A60 MODIFICATION SUMMARY
R483
IN1., TRIG,.
o.c ..
\...E\)£.L
-t 1'2.5 \J
R.484
2..2
K..
C484
,C>l
V 483
8-12-66