Re: QCX Blank LCD


Richard Hall
 

I just ordered another 7805.
To be continued…
Richard
NS3C

On Jan 14, 2018, at 11:53 AM, Richard Hall <n76003@...> wrote:

Yes, I checked and reflowed the solders on both the PCB and the LCD. They seem OK.

New problem: I had 2.8 volts between the pins of the regulator until I slipped and shorted them. That let a little smoke out and now I have .3 volts so I suppose I trashed IC11!
Richard
NS3C



On Jan 14, 2018, at 11:45 AM, w2eb@... wrote:

OOOOPS!  I just noticed you have nearly 5V at the backlight, so the regulator is probably working OK.  Check the solder connection of both the connector on the PCB and on the LCD module.  All OK?  

Bill
W2EB


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