UTCOMP Pro does not work anymore
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ArT
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Re: UTCOMP Pro does not work anymore
Seems like DC/DC converter on OLED board is faulty or microprocessor on OLED board (chip on glass - can not be replaced) is faulty and drain to much current. Please measure voltages on 2 DC/DC converters, I marked 10 points:
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- UTCOMP-PRO_OLED-Voltages.jpg (195.52 KiB) Viewed 130 times
Re: UTCOMP Pro does not work anymore
this is what i have
and DC/DC converter is very hot (6-7-8-9-10)
and DC/DC converter is very hot (6-7-8-9-10)
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- 0.36v.jpg (116.5 KiB) Viewed 121 times
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ArT
- Posts: 1354
- Joined: Wed Mar 25, 2015 8:54 am
- Location: Warsaw, Poland
- Has thanked: 48 times
- Been thanked: 140 times
Re: UTCOMP Pro does not work anymore
Ok, it may be DC/DC converter faulty or driver on OLED. Please replace this chip marked with pins 6-10, it's MP1541 / MP1541DJ in SOT23-5 package: https://www.monolithicpower.com/en/mp1541.html
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