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HDMI failure - OPi One

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Published in 2017-2-14 12:38:51 | Show all floors |Read mode
Who do I contact to get my board replaced?

My OrangePi One was up and running just fine, (with a heatsink), all was working perfectly.

Then my display started to blank out, come back, blank out, come back, etc. so I used remote desktop to do a shutdown.  While I was connecting the screen went black permanently.

I can not get any display from the HDMI port since then, I have tried a freshly imaged SD card, I can use the OPi via ssh or serial but nothing on the HDMI.

I pulled the One and put my OrangePi PC in it's place (same power supply, HDMI cable, keyboard, mouse, etc.) and it's working perfectly.

Any ideas?

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Published in 2017-2-14 17:56:25 | Show all floors
As it appears that Xunlong does not give any warranty, you have unfortunately only those options:
1. You still have the Aliexpress buyer protection (15days once the order is closed): Raise a dispute.
2. You have it over 15 days: no warranty.

To do some troubleshooting, I would:
1. observe what happens to the LEDs once the OPI is powered, do they light up at all?
2. check the voltage at the 5V and 3.3V rail (GPIO pin 2/4 5V, pin 6 ground, pin 1 3.3V)
3a. if there is the correct voltage at the rails to connect a UART to USB adapter and to have a look there,
3b. dcpost reported a blown SY8008B on his board (link), maybe you face something similar.
Please click on reply when answering direct to me. That way I get a notification ;)

"Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety."
                                  Benjamin Franklin 1755

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 Author| Published in 2017-2-15 12:49:10 | Show all floors
As I said, it still boots up, and I can connect to it, log in, etc. via ssh and serial.

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Published in 2017-2-15 16:41:35 | Show all floors
Hm,
I would test in this case the components in between the H3 and HDMI port. The google link for the schematics is down again so I could not check the what might be onnected to the HDMI from the H3...
I hope you are lucky to find the error.

It is embarrassing that Steven/Xunlong do not have the guts to answer here...
Please click on reply when answering direct to me. That way I get a notification ;)

"Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety."
                                  Benjamin Franklin 1755

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 Author| Published in 2017-2-17 00:43:00 | Show all floors
Yeah, I agree.  Just give me your money, I'll give you a board that may or may not work.  Got the cash now so I don't care.

Wonder if slump in sales might make him/them change their minds......

I bought the board to use it, not play tech with.
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