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8
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Circuit thermostat characteristics (JT-37M2H: IC200 40P and 41P)
Temperature
68°F (20ºC)
104°F (40ºC)
140°F (60ºC)
12 V
(C137)
0 V
(CN201 2P)
Reset input: 5 V
(IC200 18P)
Clock frequency: 12 MHz
(IC200 19P)
Power supply voltage:
120 V AC
(Between TAB1 and TAB2)
Power circuit board
(JT-37P2H)
Control circuit board
(JT-37M2H)
Sensor circuit board
(JT-37S)
Resistance
Nȍ
Nȍ
Nȍ
3.44 V
2.38 V
1.47 V
IC200 40P and 41P Voltage
5 V
(CN100 3P)
0 V
(CN100 2P)
7. Circuit board diagram
Circuit board diagrams and check points
