Problem sync with BVM-D14H5U

[CPC6128]

Hi,

I bought recently a sony BVM-D14H5U.
I do not manage to sync the RGB:

I use a SCART cable BNC with the synchro on pin 20, I tried on pin 19, the result is always the same.
Before I used a BVM-14E5U, without any problem, to note that I had configured " SYNC mode INTERNAL "


With the BVM-D14H5U is indicated on the manual :

“• When INT SYNC is selected, use a component including
a sync signal on the Y signal, and use RGB signal
including a sync signal on the G signal.
• When the BKM-129X is not installed to the monitor or
serial digital signals are monitored, INT SYNC is
automatically selected. You cannot select EXT SYNC. “

Thus I understand the synchro is on the green?

[CPC6128]

I solved the problem by the maintenance menu:
Video board 3/4
RGB SW, H SYNC SEP2 and 1 was 0, I selected 1.


There is another problem, the image is not full screen.
Even by settling" V SIZE " at maximum on 31, there stay black bands.

( I specify that it’s a super famicom @60Hz)

[Ed Oscuro]

Can the EXT SYNC SLOT setting be changed? I think it should be on SLOT2 now, as the BKM-129X has its own RGB decoder.

As for the current problem, is there a 4:3/16:9 switch or setting? Or overscan/underscan buttons?

[CPC6128]

I tried everything, there is not overscan/underscan buttons.
There is a button 16:9 but when I press, above the image becomes even smaller.
I also tried with S-video it's similar

[CPC6128]

Finally, I returned in maintenance menu :
DEFLECTION 1/3
And I increased H SIZE and V SIZE.

The BVM serie D is "less coherent" that the BVM I think.
I also find that the image is slightly less good.
Maybe owed in made that the BVM has their RGB card directly connected with tube :

[CPC6128]

I wonder if it's interesting to adjust V LINE AMP besides V SIZE?