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SECTION MITL91 OS/91 1 O-096-350-NA
POWER CHECKS
Q
General
F1.01 This Appendix consists of a series of MAPS which will be direc-
tly referenced by the charts of Part 6, SX-lOO/SX-200 Power
Supply. The Appendix is also referenced directly by the tables of Part 5,
Report Troubleshooting and Cross-Reference.
F1.02 These MAPS describe how to measure the electrical voltages in
key areas of the SX-lOO/SX-200 system. The measurements
will aid the repair person in the location of a specific fault. At all times
the repair person should follow the safety precautions suggested in
the MAPS to ensure personal and equipment safety.
Table Fl-1 is a listing of all power checks that may be pet-for-
med when troubleshooting an SX-lOO/SX-200 system:
MAP350-600, deals with the SX-200 system power supply only.
This map deals primarily with the system not running or a
major power failure.
MAP350-601 deals with a suspected power failure on or at the
Interconnect card of the SX-200 system.
MAP350-602 deals with a suspected power failure on the Power
Fail Transfer card where the system may or may not be in a
transfer condition.
MAP350-603 deals with the voltages that appear on the ter-
minal blocks of the backplanes in an SX-lOO/SX-200 system.
MAP3$0-604 outlines the procedure for checking the voltage on
the SX-200 Reserve Battery Backup.
MAP350-605 outlines the procedure for checking the voltages
to the combined Console Interface, Power Fail Transfer and
Interconnect card of the SX-100 system.
MAP350-606 outlines the procedure for checking the voltage on
the SX-100 Reserve Battery Backup.
TABLE Fl-1
POWER CHECKS
I
sx-200
I
MAP 1
sx-100
I
MAP
I
Power Supply Check 350-600 Interconnect Card 350-605
Interconnect Card 350-601
Power Fail Tr?nsfer Card
350-602 Reserve Battery Backup 350-606
Backplane(s) . r 350-603
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Reserve Battery Backup
350-604
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