Circuit Sword can't power on

[linuxgb]

hi kite
my Circuit Sword board can't power on
only the pcon led on,but the PGOOD LED didn't on
how can i slove the problem?
many thx

[kite]

Hi, need much more information, which step in the guide did you get to? Is it a lite or with CM3? Can you show a picture of where you have got to?

[linuxgb]

Hi, need much more information, which step in the guide did you get to? Is it a lite or with CM3? Can you show a picture of where you have got to?

thx reply
CM3 board,
i use the battery,when i press on/off then only the PON LED on,but the PGOOD LED didn't on,the screen didn't display anything,
thx

[kite]

Can you show a picture? Is it step #2 you are doing from here https://github.com/kiteretro/Circuit-Sw ... cuit-Sword ?

[linuxgb]

Can you show a picture? Is it step #2 you are doing from here https://github.com/kiteretro/Circuit-Sw ... cuit-Sword ?

thx reply
here is img for test

[kite]

Hm, interesting! Ok could you please do the following:

1. Unplug USB C cable
2. Hold down the power button for 5 secs (to remove ALL power from the board), release the button
3. Watch the "PON" LED closely, and plug in the USB C cable (don't press any buttons)

When you do step 3, the PON LED *should* flash 3 times (on-off-on-off-on-off), does it? Or does it do nothing?

[linuxgb]

Hm, interesting! Ok could you please do the following:

1. Unplug USB C cable
2. Hold down the power button for 5 secs (to remove ALL power from the board), release the button
3. Watch the "PON" LED closely, and plug in the USB C cable (don't press any buttons)

When you do step 3, the PON LED *should* flash 3 times (on-off-on-off-on-off), does it? Or does it do nothing?

thx reply

i test it,the PON LED didn't flash 3 times,only on it
thx

[kite]

Ok, so the firmware on the power management controller either never existed or became corrupt or something along those lines, could you please send me an email and we will organise return and I'll repair for free!

[linuxgb]

Ok, so the firmware on the power management controller either never existed or became corrupt or something along those lines, could you please send me an email and we will organise return and I'll repair for free!

thx reply
oh,that will waste many time
can you tell me how to burn the firmwre on the power management controller chip?
thx

[kite]

Sorry but that isn't possible, it needs special tools and the firmware is not available anywhere. It'll take a little time to ship and back, but like I said I will do this for free as it could well have been a mistake on my end and shouldn't have happened