[thestr4ng3r]

Sony KD-55XD7005
(one of the 2016 4k models)

Passthrough with Dreamcast (PAL, VGA), SNES (PAL) and Mega Drive (PAL and NTSC) works, but the image drops every 10 seconds or so, making it unusable.
Anything from Line2x and up gives either an image shifted downwards by a random (?) amount of lines or a completely glitched image.
I suppose this is actually just a bug in the TV’s software since even the DVDO iScan VP30’s output is not handled right when setting it to 720p or lower.

See this thread: https://videogameperfection.com/forums/topic/image-shifted-down-on-tv-advanced-timing-settings/

[thestr4ng3r]

Update:
I just got the DVDO iScan VP30 and now I am almost certain that my TV’s firmware currently simply has a bug. Setting the DVDO to an output resolution of 720p or lower results in the image being distorted like this: http://imgur.com/rhltMJU
Again, everything looks fine on a PC monitor. I haven’t tried to change the timing settings of the DVDO though.

Luckily, when setting the DVDO to 1080p output, it works fine. That combined with the OSSC’s Line3x simply looks gorgeous.

So I think we can say the Sony XD70 series (and maybe even all 2016 4k models) in the current state is not really compatible with the OSSC.

[thestr4ng3r]

Setting V.Active to 240 works on one of my PC monitors, but unfortunately it does not solve the issue with the TV.
I saw an advert for a DVDO iScan VP30 for 180€ not far from me, so I will probably get that.

[thestr4ng3r]

I see, thanks for the info!
Changing the settings for 288p works. I can set the V. backporch to values between 1 and 20 without losing the image. Lower values reduce the gray bar at the top, but do not move the content itselt upwards. The space between the gray bar and the content is filled with black.

What exactly do you mean by “enhanced format”. I can set my HDMI ports to an “optimized format” for 4k content, which unfortunately does not solve the issue. Is that what you meant?

TV firmware (Android TV) is up to date and none of its settings I changed so far solved the problem as well as changing the OSSC TX mode to DVI.

[thestr4ng3r]

I tried messing around with that, but it does not seem to change anything.

Some questions for clarification:
For example, I currently have a Mega Drive connected to the OSSC running in PAL mode.
The OSSC shows RGBS 313p and runs in Line2x mode.
This would mean I have 313×2 = 626 lines, but my TV shows a resolution of 720×576.
Is it handling the resolution wrong or does 313p not mean it has exactly 313 lines in this case?

Now, when I would want to change the advanced timing options, I go to Sampling opt -> select Adv. timing and select the current output resolution there, right? When I change any of the settings for 576p with the setup mentioned above, the image does not change at all.
Also, what is the difference between the 720p and 1280×720 option in this menu?

[thestr4ng3r]

Thanks for the tips!
I went over all pins of the TVP7002 with the soldering iron again and that fixed it.

The image quality is just stunning with the Mega Drive’s RGB output. Thanks a lot for developing the OSSC!

[thestr4ng3r]

Ok, now that I have finished soldering the OSSC, I could measure the voltage and it’s 2.5V, so I will try to use a bidirectional voltage converter.

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