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Search: Posts Made By: Gin Jockey

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Forum: Tech Log

12th Apr 2021, 05:52

Replies: 4

Seeking for info Diode M1220- Electrical B737NG

Views: 1,729

Posted By Gin Jockey

I agree the diode is probably there to isolate...

I agree the diode is probably there to isolate one part of the DC system from another, but in the example you mention i.e. a problem with the battery (short circuit etc) the battery bus wouldn’t...

Forum: Tech Log

9th Apr 2021, 11:25

Replies: 4

Seeking for info Diode M1220- Electrical B737NG

Views: 1,729

Posted By Gin Jockey

As best I can tell, this diode allows TR3 to...

As best I can tell, this diode allows TR3 to power DC BUS 2 if TR2 fails. Additionally, it allows TR3 to power DC BUS 1 if TR1 fails, but only when the DC cross bus tie relay (R9 controlled by SPCU)...

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