Tektronix SD-14, Service Manual

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Maintenance
Maintenance
3Ć2
ăStep 3:ă &/ %.$" 0%" /00& 2+(0$" #.+) 4+1. +!4 4 3".&*$ 3.&/0
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TableĂ3Ć1:ăRelative Susceptibility to Electrostatic Discharge (ESD)
Semiconductor Classes Relative
Susceptibility
Levels
1
+. )& .+ &. 1&0/ +. !&/ ."0" &. 1&0/ +. (&*".
)& .+ &. 1&0/ 3&0% &*,10/ )+/0 /"*/&0&2"
%+00'4 /&$*( !&+!"/
%+00'4
&$%5#."-1"* 4 &,+(. 0.*/&/0+./
&*". )& .+ &. 1&0/
+35,+3". %+00'4
("/0 /"*/&0&2"
1
Voltage equivalent for levels (voltage discharged from a 100ĂpF capacitor through resisĆ
tance of100 W
:
1Ă=Ă100 to 500 V 6 = 600 to 800 V
2 = 200 to 500 V 7 = 400 to 1000 V (est.)
3 = 250 V 8 = 900 V
4 = 500 V 9 = 1200 V
5 = 400 to 600 V
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