OSSC Pro no audio on AV1 left channel

[aotta]

After years with the OSSC, i bought here the PRO version and i started using it since few days.

But only yesterday i noticed that the audio channel with AV1 input doesn’t work: i checked with a scope the pins 2 & 6 of scart and they have good sound signals, but when connected to OSSC Pro the AV1_AL line is at 0v, while the right channel (AV1_AR) works fine.

If i try to “bridge” the AV1_AL with AV1_AR i get a very low (or nothing) output on right channel too.

AV3 input works fine, but i’d like to have scart audio input working. Of course, jack port assigned to AV1 output give only right channel.

Any further check i could do? thanks in advance for any hints

[aotta]

Just an update, i found that AV1_AL is shorted to GND, that’s i think it’s the issue!

Already checked R31 and D49, and the short remains also removing them.

So, it least the U20, but the IC it’s too small to resolder with my skill, so i can’t check it.

Any other idea?

• This reply was modified 4 days, 17 hours ago by aotta.

[BuckoA51]

We’ll need to RMA that one then I’m afraid, please e-mail in with your order number and we’ll get you sorted.

[aotta]

Thank you for the support, i’m going to e-mail you

[Author]

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