Search found 3 matches

by BunkyByrd68
Fri Dec 21, 2018 8:52 pm
Forum: DSO 068
Topic: Test 2
Replies: 0
Views: 10453

Test 2

The back light did not turn on, and I am not getting voltage to pin 19 of the lcd screen. Under "Dark LCD" it says to "check related connections." I am a beginner and not sure what "related connections" the instructions is talking about. I checked the schematic, and it ...
by BunkyByrd68
Tue Aug 21, 2018 4:06 pm
Forum: DSO 068
Topic: Problem with powering-up test
Replies: 2
Views: 3495

Re: Problem with powering-up test

Thanks for the advise. I soldered JP4 temporarily closed and received 4.93 volts at the +5v near JP4.
by BunkyByrd68
Mon Aug 20, 2018 4:14 pm
Forum: DSO 068
Topic: Problem with powering-up test
Replies: 2
Views: 3495

Problem with powering-up test

I'm using a 3.7 volt battery and installed BOB1, BOB2, BOB3, BOB4 and BOB5. I temporarily closed JP2 for the test. Questions: 1. I found 5 volts only on the +5v near JP4 but not on any other +5V holes on the board. Is +5 volt supposed to be on ALL +5V holes at this point? 2. Then I closed JP4 and go...