Service manual

3-10
AY-ZP35PR
5. IPM check method
Turn off the power, let the large capacity electrolytic capacitor (C10) discharge completely, and dismount the IPM. Then, using a tester, check leak
current between C and E.
When using a digital tester, the (+) and (-) tester lead wires in the table must be reversed.
Values in ( ) are for digital tester.
5.1. IPM internal circuit diagram
Needle-type tester Normal resistance value
(-) (+)
PN∞
(several MΩ)
U
V
W
Needle-type tester Normal resistance value
(-) (+)
UN∞
(several MΩ)
V
W