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macabi
10-03-2017, 09:38 PM
Konica Minolta Bizhub C350. Black screen. The touch panel still works & if shine flashlight close to the panel you can see what's on it. I tried swapping a complete used control panel, that I know works, & this did not help.
Has someone had this happen? Any ideas?
Thanks.

copyman
10-03-2017, 09:46 PM
I've had this a few times. It was one of the boards on back. MFP or MC. Sorry can't be more specific it's been many years.

nassor
10-05-2017, 02:20 PM
Konica Minolta Bizhub C350. Black screen. The touch panel still works & if shine flashlight close to the panel you can see what's on it. I tried swapping a complete used control panel, that I know works, & this did not help.
Has someone had this happen? Any ideas?
Thanks.

Try to change RAM

lazymangr
10-06-2017, 11:06 AM
that means the backlight of lcd is off. dunno if there is a spare for that

blackcat4866
10-06-2017, 01:21 PM
Are you getting the 24vdc to the backlight inverter PWB? =^..^=

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