Bad BOB3 and Y1

Anything about this unique oscilloscope DIY kit
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miha
Posts: 3
Joined: Thu Apr 06, 2017 6:20 pm

Bad BOB3 and Y1

Post by miha »

Good day!
during assembly of the oscilloscope revealed, that the elements Y1 and BOB3 bad!!!
for testing patpal another quartz resonator of me, but he's on a lower frequency(18MHz) and U4 earned!
when jumper J2 is open, the device does not turn on, indicating, that the defect BOB3...
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