MSefi.com read only forum (Jan.15,2018)

last night I replaced the max232 and c26-29 as per instructions, and it's fixed.I want to thank you for your help!

Thanks guys! Hopefully this will shed light on the problem.

i have my 5v on the board where it suppose to be. which pin on the max232 am i suppose to have 5v? that's where i get a little confused, on the max232,what voltages should i have on which pins. i really would like to fix this board rather than build another. thanks so much!

hi all and thank you for your patients. i have MS2 v3 that was build by someone else. in my process of double checking build,i am at the point of verifing serial comunication and it doesn't pass the final loopback comunications test. when i tested a db9 cable and serial port on my computer, the port ...