Yeah I cleaned it too no difference On Sun, Jul 8, 2018, 2:05 PM Stephen Adolph <[email protected]> wrote:
> Reseating the video cable carefully would be something to try. > > > > On Sunday, July 8, 2018, Jeffrey Birt <[email protected]> wrote: > >> Cleaning the flux off will not fix anything in itself (in most cases) it >> just lets you see the solder joints in that area better. If it were me I >> would look at the schematic and see which driver ships control that section >> of the screen and give all those joints a good once over. >> >> >> >> Jeff >> >> >> >> *From:* M100 <[email protected]> *On Behalf Of *Gregory >> McGill >> *Sent:* Sunday, July 8, 2018 1:44 PM >> *To:* [email protected] >> *Subject:* Re: [M100] model 200 arrived.. >> >> >> >> Cleaning didn't help. >> >> >> >> On Sun, Jul 8, 2018, 9:17 AM Jeffrey Birt <[email protected]> wrote: >> >> That looks like some flux residue. Use some 90% or stronger isopropyl or >> denatured alcohol and a toothbrush/cloth to gently clean it up. It is hard >> to tell from the photo but some of those pins do not look well soldered to >> me. >> >> >> >> Jeff >> >> >> >> *From:* M100 <[email protected]> *On Behalf Of *Gregory >> McGill >> *Sent:* Sunday, July 8, 2018 10:42 AM >> *To:* [email protected] >> *Subject:* Re: [M100] model 200 arrived.. >> >> >> >> https://photos.app.goo.gl/R7p1wJ7kvVEgmELMA some gunk by the corner there >> >> >> >> On Jul 8, 2018 6:35 AM, "Jeffrey Birt" <[email protected]> wrote: >> >> The fact that the whole screen clears shows that the LCD is being reset, >> i.e. all LCD driver chips are getting reset and clearing each pixel, the >> default power on state of each pixel is black. So, this should mean that >> the LCD itself is OK, as it can go to both black and clear. A ‘RESET’ goes >> to each chip and this line is toggled as part of the start up sequence. >> >> >> >>
