Screen turning red/pink a few seconds after bootlogo (using PI2Scart)

[bytestorm]

Hey all! :)

I have a strange issue. I have tried 2 differend RPI3 with original powesupply and another random 2.5A 5v psu but no luck.

After a clean install of retropie 4.2 and editing the config file with these extra lines:

disable_audio_dither=1
dtparam=audio=on
dtoverlay=vga666
enable_dpi_lcd=1
display_default_lcd=1
dpi_group=2
dpi_mode=87
hdmi_timings=320 1 16 30 34 240 1 2 3 22 0 0 0 60 0 6400000 1 #240p

I get a really nice bootlogo, and I can see the text start scrolling, but a few seconds in the screen turns pinkish/redish and looks all wierd :/

I have tried 3 different CRT sets, (lumatron, philips, sony trinitron) and all 3 gets this wierd issue. (all 3 pal tvs but should support)

What am I missing? How come the picture looks good in the first few secs and then just changes? What really happens in those bootsteps? Its so fast I cant read it.

Heres a clip of what happens (sorry for the TATE view but I didnt think about it at the moment filming)

Anything else I need to change? (without changing the config all works perfect on my hd lcd via hdmi)

Thanks in advance for reading :D

Best regards from Sweden // Stefan

[Dalton69]

@bytestorm Tried changing the scart cable?

[bytestorm]

yes I have tried a couple of different ones :/

but its fine the first few secs every boot so... wierd

[edmaul69]

@bytestorm One question, isnt this line

 dtparam=audio=on

Supposed to look like this?

dtparam_audio=on

[BuZz]

@edmaul69 that line is correct.

[bytestorm]

I also tried installing a standalone amibian image but same problem.. hmm.. Could it be the adapter itself? I have tried changing:

Raspberry Pi 3
Scart cable
Power supply
Sd card image (amibian & retropie & recallbox)
Sd card
TV

Feels a bit like it's only the adapter left.. I'll send them a email and explain the situation and see what he says.

I'll keep this one updated!

[edmaul69]

@BuZz ok. I was curious as i am not used to seeing lines with two equal symbols. Thanks for clearing that up for me.

[bytestorm]

Now, finally I found another image from the retropie facebook grp... tried it and BAM, no more color problems!!! Wth?
Guess I need to compare the configs since this last one was pre-configured for crt.

Awesome! :) Who would have thought-.. Thanks all!