tokyomatik Posted December 21, 2006 Report Share Posted December 21, 2006 ok guysas usual i have some problemsmy last post was a problem (apparently) with the 1k pull up r2i removed the old one with a brand new onebut now i don't know what...the lcd instead of the usual start up shows strange simbols or lines and nothing elsei tryed with another lcd but i got the same resultsbasicly all the problems started a while ago when i decided to upgrade my mono sid type cwith a new module(i bought both kits at mike's pcb shops)so i updated one of the core with the new firmware, applicationchanged the id to the other one, firmware, application removed the optocouplerbut together they never worked!!(i also never solved the problem with mplab for my 16x2 lcd ???)then suddenly the problem with some midi out messages(1k pull up??)and now i got this with the lcdif i use mios studio i don't get any request of uploadshould i buy the jdm module and reburn the bootloader inside the picand reprogram everything from the beginning or is something easier?let me know Quote Link to comment Share on other sites More sharing options...
tokyomatik Posted December 21, 2006 Author Report Share Posted December 21, 2006 another thingif i try to upload the new mios( i tryed allthe 3 types)using mios studioi get something like hex contains code in mios range forcing reboot!!or it start to upload the first line and then nothing....i wait wait wait... Quote Link to comment Share on other sites More sharing options...
Twin-X Posted December 21, 2006 Report Share Posted December 21, 2006 1. You have a short in your pcb2. The lcd controller is broken (usually caused by a short) Quote Link to comment Share on other sites More sharing options...
tokyomatik Posted December 21, 2006 Author Report Share Posted December 21, 2006 mmmhhh....a short....how can i fix it? Quote Link to comment Share on other sites More sharing options...
Twin-X Posted December 22, 2006 Report Share Posted December 22, 2006 By checking all your connection for accidentily made solder bridges? Quote Link to comment Share on other sites More sharing options...
tokyomatik Posted December 22, 2006 Author Report Share Posted December 22, 2006 i checked more or less everythingand it looks ok, i'll double check everything from the beginning(it takes a lot for me to answer here because i don't have internet at homeso all the times: go home, check and bla bla bla)the doubt is that with all that changing id to the cores and tryng to upload the mios again, both cores are giving me the same resultswith both lcdsand going back to the problem with that 1k pullup resistoreven if i changed it with a new one i still have that problem(my sid is slow)even if the display doesnt show anything,i can ear after a while the drop tune(really slow) and something that sound like formatting the bankstick(?)let me knowthanxthere is the possibility that messing with the mios and the change id app.the two cores, i did the disasteri also got a black out but not during the uploadto be shure that i don't have short in the pcb wich connection should i check exactly?i checked the connection of the pic and the optocoupleric1 pin 1 pin 12ic1 pin 11 pin 12ic1 pin 31 pin 32ic 2 pin 5 pin 8and on both cores i got 5vso what else should i check? Quote Link to comment Share on other sites More sharing options...
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