Mitsubishi Electric MUZ-HJ25VA-E2 Service Manual page 54

11-6. TEST POINT DIAGRAM AND VOLTAGE
1. Inverter P.C. board
MUZ-HJ25VA MUZ-HJ35VA
Back side of unit
DB61
250 V - 370 VDC
(-)
(+)
Output to
drive
compressor
(LDW,
LDV,
LDU)
LED
Front side of unit
Defrost thermistor (RT61)
100
90
80
70
60
50
40
30
20
10
0
-20 -10 0 10 20
Temperature (°C)
OBH648F
Smoothing
230 VAC
capacitor (C61)
Discharge temperature thermistor (RT62)
800
700
600
500
400
300
200
100
0
0 10 20 30 40 50 60 70 80 90 100 110 120
30 40
Fuse (F801)
T3.15AL250V
LEV connector
(CN724)
Temperature (°C)
54
Output to drive outdoor
fan motor (CN771)
Jumper wire for changing
defrost setting (JS)
Jumper wire for pre-heat
control setting (JK)
Fin temperature thermistor (RT64)
200
180
160
140
120
100
80
60
40
20
0
0 10 20 30 40 50 60 70 80
Temperature (°C)
R.V. coil
(CN721)
Fuse (F701)
T3.15AL250V
230 VAC