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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 ...
- Tue Aug 21, 2018 4:06 pm
- Forum: DSO 068
- Topic: Problem with powering-up test
- Replies: 2
- Views: 3548
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.
- Mon Aug 20, 2018 4:14 pm
- Forum: DSO 068
- Topic: Problem with powering-up test
- Replies: 2
- Views: 3548
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...