Search found 3 matches
- Mon Nov 20, 2017 2:06 pm
- Forum: DSO 068
- Topic: Bob 3 board appears to no longer work. How to test???
- Replies: 0
- Views: 3217
Bob 3 board appears to no longer work. How to test???
Things worked pretty good for a few days, went to turn unit on...would not power on. Bypassed Bob 3, starts up and seems to work fine...as soon as power applied. Reflashed boot and firmware, did not make any difference...appears that Bob 3 is no longer working....how do I test this? And how can I ge...
- Sat Nov 18, 2017 5:08 pm
- Forum: DSO 068
- Topic: Voltages off. V5 = -.3.3 V4= 1.6 not -1.6 LED intermitant
- Replies: 1
- Views: 3320
Re: Voltages off. V5 = -.3.3 V4= 1.6 not -1.6 LED intermit
Update.... a few checks, a cold solder joint, re-loading the boot loader and the Firmware,,, unit is now operational, and ready for the additional tests before final assembly.
Voltages still appear to be off on V4 and V5, all associated components are correct and connections confirmed.
Voltages still appear to be off on V4 and V5, all associated components are correct and connections confirmed.
- Fri Nov 17, 2017 9:49 pm
- Forum: DSO 068
- Topic: Voltages off. V5 = -.3.3 V4= 1.6 not -1.6 LED intermitant
- Replies: 1
- Views: 3320
Voltages off. V5 = -.3.3 V4= 1.6 not -1.6 LED intermitant
Sometimes the LED comes on, blinks once or twice then goes back out,,,never comes on again, Sometimes pressing S12 makes it come back then it goes out. Never blinks once, then twice.....If I sits for a bit, it might come on again, when power applied, Swapped crystals, that did not seem to change any...