Turn off the card rack power before proceeding.<\/p>\n\n\n\n
SCA HV connector-<\/p>\n\n\n\n
Remove the large SCA filter box (that has the big black cable going into it) and check for the following resistances \u2013
Pin 1 to 3 = 7.4 Meg ohms
Pin 1 to 2 = 4.5 Meg ohms
Pin 2 to 3 = 2.9 Meg ohms
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All SCA HV pins should be open to ground
<\/p>\n\n\n\n
Remove the POS and NEG filter boxes.
POS to NEG on the SCA should be about 15 meg ohms.
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Capacitance tests –
POS to chamber should be about 850 pF (.850 nF)
NEG to chamber should be about 200 pF (.200 nF)
MCD connector
All pins should be about 300 pF (.300 nF) from the pins to the chamber, except for the 4 center pins which should be about 100 pF (.100 nF).
All MCD pins should be open to the chamber<\/p>\n","protected":false},"excerpt":{"rendered":"
Turn off the card rack power before proceeding. SCA HV connector- Remove the large SCA filter box (that has the big black cable going into it) and check for the following resistances \u2013Pin 1 to 3 = 7.4 Meg ohmsPin … Continue reading