Sharp AY-XP9LSR Service Manual page 31

5. IPM check method
Turn off the power, let the large capacity electrolytic capacitor (C9, 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.
Needle-type tester Normal resistance value
(-) (+)
∞
P N
(several MΩ)
U
V
W
Needle-type tester Normal resistance value
(-) (+)
∞
U N
(several MΩ)
V
W
Values in ( ) are for digital tester.
3 – 10
AYXP9LSR