Circuit Board Diagram - Mitsubishi Electric JT-MC106G-W-NA Handbook

7. Circuit board diagram

Circuit board diagrams and check points
12.6 V
(C125)
Power circuit board (JT-33P)
Circuit thermostat characteristics (JT-33M: IC1 7P and IC1 8P)
Temperature
20°C
40°C
60°C
Sensor circuit board
(JT-33S)
Power supply voltage
120 V AC
(Between TAB1 and TAB2)
Resistance IC1 7P and 8P Voltage
3.44 V
2.38 V
1.47 V
Display circuit board
(JT-33D)
5 V
(CN2 4P) (CN2 7P)
─ 8 ─
Reset input
(IC1 11P)
Clock frequency
(IC1 15P)
Control circuit board (JT-33M)
0 V
5 V
8 MHz