NESRGB Missing SMD Cap Help

[MajorPBX]

Hello,

I've reviewed as many pictures as I can but I can not figure out the exact value of this missing SMD capacitor. I've sent 2 e-mails to "orders@etim.net.au" and I totally understand that no one has gotten back to me. However, I just need the value of this capacitor to finish my NESRGB installation. Any help identifying what the value is would be greatly appreciated. I believe if it's the same as the one next to it that it's class 1 which puts it in the picofarad range.

Board Version: 23.03
NESRGB41 T.W. 2023

[VEGETA]

Hello,

you have to look more to figure it out, like posting high resolution images of the board and the area. next step, try looking on silkscreen + probing around (continuity) to verify if it is actually a capacitor since it could be a resistor. Once we understand the circuit and where it connects to, then we can make a decision.

But first, does the board work?

if it is just a bypass capacitor then any value will work fine.

post the pictures and I will try my best to help you.

I do have a faulty nesrgb board somewhere (not v4), as a last resort, I can find it and read the cap value (needs desoldering and so on). lots of effort

[MajorPBX]

That's fair, I had hoped the board's silk screen would be the answer however it doesn't indicate anything. Judging from other pictures found I believe it to be C28 but that's a guess. The board works as it outputs video and audio. It does have an issue with video. Seems like half the data is there which if I trace the board it seems like the missing cap is one of 2 needed. The cap is associated with J5 jumper which is the Luma trap frequency selection for either PAL or NTSC. I can take more pictures but I was kinda hoping someone just knew it off the bat. I get that was a long shot but I think I'm probably going to try a 100pF cap and see what happens.

Thank you for the reply and direction for further troubleshooting. I have another board coming in just in case.

[VEGETA]

That's fair, I had hoped the board's silk screen would be the answer however it doesn't indicate anything. Judging from other pictures found I believe it to be C28 but that's a guess. The board works as it outputs video and audio. It does have an issue with video. Seems like half the data is there which if I trace the board it seems like the missing cap is one of 2 needed. The cap is associated with J5 jumper which is the Luma trap frequency selection for either PAL or NTSC. I can take more pictures but I was kinda hoping someone just knew it off the bat. I get that was a long shot but I think I'm probably going to try a 100pF cap and see what happens.

Thank you for the reply and direction for further troubleshooting. I have another board coming in just in case.

ok, then before putting the cap check the encoder chip datasheet to see its value, if it is the luma trap one.

[MajorPBX]

You know, I'm mad at myself because I should have checked the datasheet. 5pF dang it