A television game console produced by Sony Computer Entertainment, also known as PS4. First announced February 20, 2013 and released November 15, 2013.

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PS4 Not powering after HDMI Port Repair

I bought a known "Broken" PS4 with the White Light (Damaged HDMI Port), It powered up fine with no signal. I replaced the HDMI Port and re-routed a pin when a pad was lifted during removal of the old port. When trying to test to see if the HDMI replacement was successful I get Nothing, No beeps or Lights.

I've tested the PSU with a multi meter and i get 11.8v, I tore the console down and re-assembled several times just in case i missed anything. I even removed my replacement port in case there was a short with the soldering and tried without the port installed. Would the PS4 still light/beep without one?

I've now ordered a replacement PSU just in case it is that. Is there anything else i can try?

I'll also add that when dissembling the console the first time that thermal paste did get on the transistors around the APU. I cleaned it with a toothbrush and alcohol. Could this be the issue?

Appreciate any answers, Thanks.

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2 Answers

Most Helpful Answer

check around the board to see if it looks like any components are missing and double check that the cable that comes from the psu is connected properly on both the psu and the motherboard

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Hi thank you for the reply. I've triple checked all the cables and I've firmly plugged the power cable in. I didn't notice any components missing apart from the HDMI port (Which i removed after the fact)... I've also looked for any damage/splashed solder and failed to find any. At this point i'm hoping it was the PSU that went. I should get the one I ordered tomorrow and will update when that arrives.

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I've installed the new Psu and I'm still getting the same result :/

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did you try a different power cable

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If there are any shorts, check for those. If there are, fix them!

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I checked for shorts but didn't find any obvious ones. However on inspection of the HDMI IC chip I noticed a missing resistor. Could this be the issue? I've looked for other examples of the IC chip and they all seem to have two extra resistors to the left of the chip (Perhaps a newer rev.). My PS4 Rev is CUH-1116A

Picture of HDMI Chip:

https://i.imgur.com/O0OEljK.jpg

If this is the culprit, then would you know what the resister is rated at so i can replace it and hopefully get this PS4 powering again.

Thanks :)

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i dont think anything is missing from there as there are no signs of solder ever being on the pads, plus i dont think it would cos a no power issue and more of no image

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Hi i finally figure out what was shorting out the PS4. I disconnected the flat ribbon cable that goes to the Bluray drive and now the PS4 boots. Two of the connections on the end of the cable are damaged. Could this be the short? or could it be in the daughter board?

image of cable end: https://i.imgur.com/2kgPbdw.jpg

are these easy to replace if i need another?

I've checked all fuses on the daughter board and they seem to be fine (beeping). Thanks for the reply :)

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