Recent content by Mightyjebus

  1. M

    Dialog DA9087 PMIC for PS5 controller - where to buy?

    Hi, I have a couple of PS5 controllers that don’t work. After inspecting 1 with a thermal camera I can see that the Dialog DA9087 PMIC is blown. I took the other one off the other knackered controller but it looks to be knackered as well as I only see 0.01a when trying to charge. Long story...
  2. M

    Hardware eMMC dead - options?

    if I use a different eMMC, wouldn't that give me the keys for the new eMMC or have I got that wrong?
  3. M

    Hardware eMMC dead - options?

    so.... I picked up a broken switch and after finding nothing wrong with it electronically I still couldn't see anything on the screen. No battery charge symbol, no backlight, nothing, nada. It was charging fine but completely dead. being a low serial number I ran it in RCM and it booted into...
  4. M

    Hardware Switch repair: inconsistent power charge

    have you tried replacing the USB-C?
  5. M

    Hardware Battery charge indicator gone totally crazy

    do a search for fuel gauge IC MAX17050
  6. M

    Hardware Switch Lite - Strange fault

    cheers, i'll use these to check out the vid connector
  7. M

    Hardware Will the switch charge on dock without/broken PI3USB?

    dismantle the dock, reassemble all the electronics outside the case and plug into the switch. if that doesn't work turn the dock connector 180 degrees into the switch USB port and try again. It will tell you if the Dock USB is knackered or if the main board is knackered. Alternatively use a USB...
  8. M

    Hardware Switch Lite - Strange fault

    Hi, I've been working on a broken Switch Lite and it seems to be having a fault I haven't seen before. The switch doesn't display anything on the screen and doesn't produce sound out of the on-board speakers. The backlight works, the switch boots fine with all the correct voltages and if I...
  9. M

    Hardware 0.45A, No boot - Backlight stays on

    I will do once I dig it out of the bin tomorrow!
  10. M

    Hardware 0.45A, No boot - Backlight stays on

    I had another Switch fault today that I haven't seen before and thought I'd share. Switch in question came to me after someone else had worked on it. It looked like someone had replaced the USB-C port at some point and had left a load of flux residue on the motherboard. Symptoms were 0.45A on...
  11. M

    Hardware 2-3 hot components. Two shorts.

    I find the rule of thumb with the switch is if a cap is shorted near a IC, remove the IC and see if the short goes. For my fault I just probed around a good board until I found continuity to the area I was having problems then removed the nearest IC to see if the short disappeared.
  12. M

    Hardware 2-3 hot components. Two shorts.

    weirdly I got a water damaged switch today with a very similar problem. I've not checked out the IC you mentioned but I did remove the BQ, Coil and big cap we mentioned above and short was still there. Using a good board I checked for continuity from the shorted side of the coil and found that...
  13. M

    Hardware Switch Repair Advice being sought

    check pins 35 and 37 on the M92 IC. you should see a difference between the 2 with the charger plugged in. turn the charger 180 degrees and see if the reading swap over. This will tell you if the switch is seeing the charger plugged in and it recognised the orientation. Also disconnect the...
  14. M

    Hardware Plugging in doesn't power Switch on

    first thing I would do is very carefully clean the charge port.
  15. M

    Hardware 2-3 hot components. Two shorts.

    most likely it's a lost cause. One last thing I can think of is the cap circled below.
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