Roland Fantom X Display & Screen Replacement

[Vladistone]

Hey guys!
Are you ready to help me in this question:

V-Synth GT engineering mode/menu

How would able to get into the engineering menu (not is the service menu w/7-8-7-8 sequence)… Google searches do not provide an answer to this request, and AI does not deny that such a synthesizer mode exists! therefore - if anyone knows how to get to this complementary menu of V-synth GT settings - Have you solution? I will be grateful!

Roland V-synth GT LCD upgrade: an unconventional approach

So, data sheets reading primers does wonders! Judging by the host parameters supply specified in SM (if I didn’t make a mistake in choosing the data table according to the bit depth (16bit) and RGB565 depth = 65K) for IC38 (S1D13742 Mobile Graphics Engine) [Снимок экрана 2025-06-23 в 10.13.25] I found outed this table of signal encoding for RGB(565): [Снимок экрана 2025-06-23 в 15.04.00] in which I did not quite understand the essence of the mapping between controls & picture data flow (in…