Fri Apr 30 2021

C100 blows fuses

I have a C1000 which won't power up. I found F3, a 5x20mm 5A fast fuse, blown. After replacing it, F103, a 5x20mm 500mA fast fuse hidden under the power inlet, blew when I applied power, but before I turned on the power switch.

   RE: Biotech/Life Science Report Post
Tue May 10 2022Reply from J.King
avatar placemark

Its jarring that I found the exact same issue nearly a year later after doing the same thing. Assistance from anybody would be Much appreciated.


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Sun May 15 2022Reply from sidneisantos_BIO-R@D
avatar placemark

Olá, primeiro voce tem que acertar os erros na entrada.é complicado de explicar, esta placa tem PFC e conversor DC-DC, precisa seguir o esquema eletrico do manual. esta tua placa é a antiga pelo jeito.

verifica se esta em curto Q3; Q4 e Q6, UCC3817 = U5 PFC aciona U4 TC4452 que chaveia o Q3

DC-DC U6 = UC2825B; U2 = TC4452; U8 = TC4452 Chaveia o Q4 e Q6

verifica os capacitores NF e UF ao redor.

 


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Thu Jul 14 2022Reply from Larbsarb
avatar placemark

I have the same problem. Does anyone have the service manual?

Thanks!


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Thu Jul 14 2022Reply from Larbsarb

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