Recent content by BillyE

ok, I give up, I'm sure a pro could repair it, but it's not worth the effort. I tried to put a new CD3125 on and it didn't sit right, and while trying to remove it and clean the pads I got to aggressive trying to remove the solder from the pads and damaged a couple of pads. I tried bending some...

Is it possible to disable this cd3125 and its pair and just lose these two USBc ports?

All the other capacitors show a value in diode mode but this one? Shouldn't it show a voltage drop across the capacitor? I did find the other resistor I needed so I can attempt to put the U3200 back on. My SMD skills are terrible so I have little hope but gonna try anyway, it's the only way to...

ok, good news my parts came in, bad news I'm missing some so I still can't finish. But I have a stupid question. C3205 showed open so I assumed I needed to replace it. So I did. But it still shows open or OL on diode test. I can see ground on pin 2 of C3205 and I can see continuity between pin 1...

No, as I stated, I’m a complete newbie!

Any other spare parts I might want to order? I'll pay more in freight than the components.

ok, got the chip off, and pad cleaned up. But I lost resistor R3095 and capacitor C3205 doesn't show short, but it appears to be open. So I need to order those before I can continue. Any suggestions on best place to buy those? Digikey, Mouser I guess?

That makes sense that it's most likely the CD3125 that's bad. I do have a new one I could try and replace it. It will be my first one to replace with a hot air gun. I guess everyone has to have their first. I guess remove it and then check the caps again to verify?

Rest all look ok

ok, I'm back working on this thing, If I do a diode check on C3208:1 and C3205:1 they both read as ground. I guess I need to pull them out and verify they are bad out of the circuit? But I assume it's a pretty safe bet they are both fried? Should I assume the CD3125 is bad as well?

Ok gotta go work on something else for the next 2 hrs but I can work on it nonstop after that

Just did a diode check on U3100 and XB_LDOD and XB_LDO are both grounded.

I don't have a thermal camera, it would be nice, but I think U3200 is getting hot while checking out UB300 & UB400

Checking U3100 I get 5v on F3000, 3.376 on C3108, 1.796 on C3105, 1.802 on C3106 but 0 on C3104 and U3100 feels warm. Checking UB300 5.19 on FB200, 3.376 on CB308, 1.791 on CB305, 1.796 on CB306, 1.112 on CB304 but only 10.91 on QB300:1 and 7.5 on QB300:4 Checking UB400 same as UB300

Yeah I checked F3001 and getting 5.17 volts there, but at C3208:1 getting nothing now. I've checked these damn things at least 4 times and they have all worked but not now.