HDMI "fuse" "traces" need values motherboard sac-001

Hi dear community.

I would like to get some data on how things should be.

I have a ps4 that had several issues. It displayed picture before but intermetedly. After my attempts to fixing it.

My soldering looks solid and I have no clou where the issue is.

Now I don't get any signal anymore. I have measured all traces that I had to recreate and they all measure out fine. There are no solder bridges.

I need to know how much resistance the fuse (marked yellow) should have.

And if it is normal when the two pins connected to there relative paths they should have connectivity (marked in red). If I trace them it seems for me normal. But I thought better to ask.

Encoder IC and HDMI chip should be okay.

I don't know what happened but now like I said It doesn't display anymore.

I had it working before but the soldering wasn't good the first time.

I think maybe the fuse have gone.

Motherboard sac-001

Ps4 1200 series

Best regards

Update (06.10.2020)

Okay the fuse is blown when it is not showing low ohm continuity and therefore the hdmi will not work even if your soldering is good.

It is called a polyswitch fuse or a self resetting fuse. This fuse blows normally slowly because of the heat if there is a short circuit and the ohms go higher until it doesn't conduct anymore. (The liquid in there goes solid)

When you correct the short circuit it should come back to life with low ohms reading and it is liquid again.

But mine stayed at a 35-50k ohms.

If you want more info look up polyswitch on YouTube.

The Playstation is back to life and lives another day.

I just bridged the fuse for now and I don't think I will put another in as long as it works.

It could blow up the IC if something goes wrong but I don't care.

Have a nice day

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