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System Blue 19.5 PCB

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System Blue 19.5 PCB
dupreezd Offline
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Posts: 613
Threads: 5
Joined: 2017-11-24
#7
2022-04-12, 02:32
mmm IC502 is responsible for voltage +3V3 which is used by the MCU. Without that regulator (LM3940IMP-3.3) the board will never start up.
Solder it back on if you still have it.
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Messages In This Thread
System Blue 19.5 PCB - by k2ors - 2022-04-11, 14:50
RE: System Blue 19.5 PCB - by cutty - 2022-04-11, 17:46
RE: System Blue 19.5 PCB - by k2ors - 2022-04-11, 17:57
RE: System Blue 19.5 PCB - by cutty - 2022-04-11, 19:40
RE: System Blue 19.5 PCB - by k2ors - 2022-04-13, 15:24
RE: System Blue 19.5 PCB - by dupreezd - 2022-04-11, 22:02
RE: System Blue 19.5 PCB - by k2ors - 2022-04-12, 00:43
RE: System Blue 19.5 PCB - by dupreezd - 2022-04-12, 02:32
RE: System Blue 19.5 PCB - by dupreezd - 2022-04-13, 22:51
RE: System Blue 19.5 PCB - by k2ors - 2022-04-14, 00:07
RE: System Blue 19.5 PCB - by k2ors - 2022-04-14, 13:59

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