Search found 6 matches

by Watchkeeper
Tue Jan 16, 2018 1:11 am
Forum: DSO138
Topic: How to tell your board is counterfeit or not?
Replies: 34
Views: 121734

Re: How to tell your board is counterfeit or not?

Thank you. E-mail sent 12th January, no reply to date (but at least it didn't bounce :mrgreen: )
by Watchkeeper
Wed Dec 27, 2017 3:28 pm
Forum: DSO138
Topic: Can't even get started
Replies: 6
Views: 7716

Re: Can't even get started

Out of curiosity, did you install the SMD parts or was the regulator done by JYE? The kit came with the microprocessor installed but everything else was loose in the polythene bag. This was my first ever experience with SMDs, so mea culpa . Lessons have been learned. I bought the kit from melisocy2...
by Watchkeeper
Wed Dec 27, 2017 2:18 am
Forum: DSO138
Topic: Can't even get started
Replies: 6
Views: 7716

Re: Can't even get started

It's all good! I re-flowed the solder on the regulator pins and she's sprung into life.
Working 1.jpg
Working 2.jpg
I need to calibrate it and adjust the trimmer caps, but basically she's operational.

Thanks for your input, MNTech.
by Watchkeeper
Wed Dec 20, 2017 3:42 pm
Forum: DSO138
Topic: Can't even get started
Replies: 6
Views: 7716

Re: Can't even get started

Thanks for that.I'll give that a go once the Christmas madness has abated.

[Edit] Guess what's on page 4 of the instructions ("when all else fails, read the instructions")? You're dealing with an idiot, I'm afraid!
by Watchkeeper
Mon Dec 18, 2017 2:32 pm
Forum: DSO138
Topic: Can't even get started
Replies: 6
Views: 7716

Can't even get started

After completing the build, as per instructions, I get to Step 2 - Test and Use . First thing is A. Check voltages . So I check the voltage at TP22, as instructed, and find 0V instead of the 3.3V expected. But there's no remedy offered! The instructions assume everything will be hunky-dory, but in m...
by Watchkeeper
Mon Dec 18, 2017 2:16 pm
Forum: DSO138
Topic: How to tell your board is counterfeit or not?
Replies: 34
Views: 121734

Re: How to tell your board is counterfeit or not?

I tried to send my board ID number to the address given in the first post (jyetech@163.com) but the e-mail "bounced". A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: jyetech@163.com host 163mx01.m...