Mar 2, 2015 · This will help you identify which side is causing the short - the load side or (PQ21 or PU3). You better use bench power supply as suggested in post #9. If you don't have bench PS and you found the problem to be located in the load …

Sep 7, 2015 · Remove PU3 and clean the pads of both PU3 and U5 from solder (avoid contacts-shorts between pads) and measure resistance again on 8 and 17 without adapter. You shouldn't have 60ohm on pins 8 and 17.

Sep 23, 2020 · I've checked the VO1 and VO2 (PINs 24/7) out of circuit and they both have resistance in 100+ kOhms, putting the chip back in the board and the resistance drops to 2kOhms, plugging in ac and BAM, back to 13ohm... Here are the readings on PU4 when it's in circuit, shich all seem ok except the ones that are 0, but shouldn't be.

Aug 7, 2014 · PWM3 is assigned to PU6 pin (Pin 58 on J3A2) sudo su cd /sys/class/pwm/pwmchip0 echo 0 > export cd pwm0 echo 1000000 > period echo 500000 > duty echo 1 > enable ToDo

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PU3 – Diode 200 V 1A Surface Mount SOD-123HS from SURGE. Pricing and Availability on millions of electronic components from Digi-Key Electronics.

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Jan 9, 2015 · i want to know if i can use tps 51125 equivalent to rl8223a (i know that 51123 is the same but for 51125 ic problem of pin 18 i think)