Mitsubishi Electric MS-09DW-U1 Technical & Service Manual page 38

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TEST POINT DIAGRAM AND VOLTAGE
MS-09DW-ID]
37
Electronic contol P.C. board
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Room temp.
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CN101
POW1
Auto restart connector
Short the connector CN 125
between @ - (j)
----- Buzzer circuit
2
3
4
5
: j
1 0V DC power supply of control circuit
: 15V
DC reference voltage
6 - - - - - clock signal circuit
51--t---+---+-+---+---I
60 70 7780 90 100
Temperature ('F)
..__ _ _ _ _ _ _ Indoor coil
thermistor RT12
40
- 30
§
g
l9 20
-~
a:
10
\
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\
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...........
40 50 60 70 80 90 100
Temperature ("F)