Toshiba RAS-13UAV-E2 Service Manual page 71

10-8-5. Checking Method for Each Part
No. Part name
1 Electrolytic capacitor
(For raising pressure, smoothing)
2 Converter module
Checking procedure
1. Turn OFF the power supply breaker.
2. Discharge all three capacitors completely.
3. Check that safety valve at the bottom of capacitor is not broken.
4. Check that vessel is not swollen or exploded.
5. Check that electrolytic liquid does not blow off.
6. Check that the normal charging characteristics are show in
continuity test by the tester.
C12, C13, C14 500 F/400V
1. Turn OFF the power supply breaker.
2. Discharge all four capacitors completely.
3 Check that the normal rectification characteristics are shown in continuity
test by the tester.
Diode check
Tester rod
Resistance value
in good product
– 70 –
FILE NO. SVM-03008
Case that product is good
Pointer swings once, and
returns slowly. When
performing test once again
under another polarity, the
pointer should return.
IGBT check
Tester rod
Resistance value
in good product