Hitachi RAS-70YH5 Service Manual page 97
Room air conditioner
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Also See for RAS-70YH5:
- Information booklet & user manual (68 pages) ,
- Service manual (5 pages) ,
- Installation manual (2 pages)
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SYSTEM POWER MODULE DIAGNOSIS
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
0305E Pg 90-109
+
PGU
U
NGU
–
P1
L2 L1
105
Collector
BASE
Emitter
PGV
PGW
V
W
NGV
NGW
N1
P2
+
–
– 105 –
4/1/06, 11:01 AM
U
W
V
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