Hitachi RAI-50NH5 - System Power Module Diagnosis Details; Module Circuit Diagrams and Terminals

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SYSTEM POWER MODULE DIAGNOSIS
BASE
Collector
Emitter
+
–
PGU PGV PGW
NGU NGV NGW
UVW
+ –
P1 P2 UN1
L2 L1 W V
Circuit diagram of
the device
(excepting the
reflux diode)
Circuit diagram of
the module
Terminals symbol
mark of the module
See next page
for measuring
value using
tester
0274E Pg 97-118(RAI-50NH5) 19/10/05, 3:38 PM112