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Strady77 · 04-21-2016, 02:48 PM

Today I opened the csb and noticed that the whole part in AC - 220v works .
In fact, the 430V and 17V power supplies are generated correctly. (PCB on TOP)

The problem is that one of the two stages to 90V ( output for battery charging ) is in error and is kept disabled .

In fact the mosfet driver B6NB50 ( L6598D ) is off and does not allow the MOSFET to drive the transformer to generate the VDC Output 90V .

Visually there are no burnt components , tomorrow I will try to analyze why the driver is not enabled .

Have feedback on csb repaired ? which I recommended components to check first?

Thank you

04-21-2016, 02:48 PM	#15
Strady77 New Member Join Date: Mar 2016 Location: Italy Posts: 11	Today I opened the csb and noticed that the whole part in AC - 220v works . In fact, the 430V and 17V power supplies are generated correctly. (PCB on TOP) The problem is that one of the two stages to 90V ( output for battery charging ) is in error and is kept disabled . In fact the mosfet driver B6NB50 ( L6598D ) is off and does not allow the MOSFET to drive the transformer to generate the VDC Output 90V . Visually there are no burnt components , tomorrow I will try to analyze why the driver is not enabled . Have feedback on csb repaired ? which I recommended components to check first? Thank you Last edited by Strady77; 04-21-2016 at 02:53 PM..