[Coco] Trying to find out what signal a composite adapter is using.

[Mark Ormond]

I'm copying the coco2 composite video adapter from John's coco 2 and I was wondering if anyone knew what is located on the left side of c32 (from the front) on a 8709416 board?

Here is what I have so far.

[cid:image002.png at 01CCB7FA.DB50E2C0]


Parts list.





C1 1uf 50V

C2 1uf 50V

C3 30pf

C4 30pf

C5 223Z (22nf)

T1 NTE123AP

T2 2N3904

T3 NTE123AP

R1 2.2K

R2 1K

R3 200K

R4 41 ohm

R5 220 ohm

R6 200K

R7 2.2K

R8 3.3K





GND = GND

G = Pin 8 of MC1372P

Y = Y on Modulator

S = S on Modulator

R = Left side of C32 (Looking from front)



Later,

dabone

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