How to Use an A2320

[QuikSanz]

Amber is from around 1990.Caps?

[QuikSanz]

The 2 you see are of electrolytic type but, every part with a "C" in front of the part # is a cap. All types can go bad after 26 years.

Edit: I count about 32

[QuikSanz]

Look again. VCC to ground, Pin 23 is VCC = +5V. They want this in the adapter for a trash filter on the power to the chip.

Edit: A bit large for that. Maybe typo, 10Mf maybe.

[QuikSanz]

Se edit, yes your assumption is right, 5V, but I question 100Mf. Sounds high to me but the voltage on that bus may have some other heavy current loads causing a fluctuation.

[QuikSanz]

This cap is only designed to keep power clean so 100Mf won't hurt, just have to wedge it into the adapter. Big size diff between 100 and 10.

[QuikSanz]

I appreciate it.  Thanks.  I have spare PCB; I guess I'll buy a female vga connector - or I may have one, actually.

One last question: The 9-pin vga has a sync ground and separate R, G, and B grounds; the 15-pin vga only has one ground (that hits multiple pins).  So should I just 'tie up' all the separate grounds and just put them all to the single ground of the 15-pin?

It appears as though the 15 pin has 3 grounds next to RGB pins, so 1 for each color, to keep out crosstalk/color bleed. #5 should be power ground, that's the ground you want.

[QuikSanz]

I suppose the layout is for all formats including RCA type cable just put the cap near the chip close to the legs. Maybe underneath.

Edit: Use electrolytic