Mitsubishi FREQROL-SF, Troubleshooting Manual

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Appendix 12
Maintenance Instruments
Appendix
Maintenance Instru-
ment
(1) Instruments for adjustment
Instruments in Table 1.2(a) are for adjustment and those
in Table 1.2(b) are for repair of troubles.
Table
Instruments for adjustment
Name
Specifications Application
AC volt meter
Within 300V
Check of AC power
supply voltage
Plus, minus
driver
large, small
large, medium,
Table Instruments for repair of troubles
Name Specifications
Application
AC volt meter
Within 300V Check of AC power
supply voltage
Within 500V
Check of DC power
DC volt meter supply voltage, off-
set voltage
Tester
Resistance check
Plus, minus
driver
large, small
large, medium,
small
Synchroscope 10 MHz or over
Check of waveform of
encoder
Table
Instruments for replacement
of
N a m e
ROM remover
(IC REMOVER)
Specifications
Application
Example,
Removal of