Circuit Board Diagrams - Mitsubishi Electric JT-SB116JH-G-NA Handbook

8. Circuit board diagrams

Circuit board diagrams and check points
1 Power circuit board (JT-34P1H)
Heater power supply: 120 V AC (With heater ON) Bus voltage (Being stopped): 170 V DC
(JT-34P1H: Between TAB3 and TAB4) (JT-34P1H: Between TAB5 and 0 V or between TAB6 and 0 V)
Non-insulated power supply Non-insulated power supply
Carrier frequency 15 kHz
15 V 0 V
(JT-34P1H: IC1 8P)
(JT-34P1H: CN2 1P) (JT-34P1H: CN2 3P)
Non-insulated power supply
Reset input 5 V
5 V
(JT-34P1H: IC1 18P)
(JT-34P1H: CN2 2P)
Power supply voltage: 120 V AC Clock frequency 12 MHz
(JT-34P1H: Between TAB1 and TAB2) (JT-34P1H: IC1 19P)
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