MVS board connectors pinouts

All infos by MKL.

MV4 PCB connectors pinouts:

CN8

A1 +5V
A2 +5V
A3 +5V
A4 SC2 (15), PRO-CT0 (15)
A5 SC2 (13), PRO-CT0 (16)
A6 SC2 (10), PRO-CT0 (21)
A7 SC2 (8), PRO-CT0 (22)
A8 SC2 (6), PRO-CT0 (23)
A9 SC2 (4), PRO-CT0 (24)
A10 NOT CONNECTED
A11 R2 (1), R3 (3)
A12 NOT CONNECTED
A13 NOT CONNECTED
A14 P1 (9)
A15 P1 (12)
A16 P1 (7)
A17 P1 (14)
A18 P1 (5)
A19 P1 (16)
A20 P1 (3)
A21 P1 (18)
A22 R1 (9)
A23 R1 (12)
A24 R1 (7)
A25 R1 (14)
A26 R1 (5)
A27 R1 (16)
A28 R1 (3)
A29 R1 (18)
A30 GND
A31 GND
A32 GND

B1 +5V
B2 +5V
B3 +5V
B4 SC2 (14), PRO-CT0 (19)
B5 SC2 (12), PRO-CT0 (20)
B6 SC2 (9), PRO-CT0 (25)
B7 SC2 (7), PRO-CT0 (26)
B8 SC2 (5), PRO-CT0 (27)
B9 SC2 (3), PRO-CT0 (28)
B10 SFIX (13)
B11 SFIX (14)
B12 SFIX (15)
B13 SFIX (17)
B14 SFIX (18)
B15 SFIX (19)
B16 SFIX (20)
B17 SFIX (21)
B18 R3 (12)
B19 R3 (14)
B20 R3 (16)
B21 R3 (18)
B22 R2 (11)
B23 R2 (12)
B24 R2 (13)
B25 R2 (14)
B26 R2 (15)
B27 R2 (16)
B28 R2 (17)
B29 R2 (18)
B30 GND
B31 GND
B32 GND

The ICs:

• P1 = 74AS244
• R1 = 74AS244
• R2 = 74AS245
• R3 = 74AS244

CN9

A1 +5V
A2 +5V
A3 +5V
A4 R11 (9)
A5 R11 (12)
A6 R11 (7)
A7 R11 (14)
A8 R11 (5)
A9 R11 (16)
A10 R11 (3)
A11 R11 (18)
A12 R10 (9)
A13 R10 (12)
A14 R10 (7)
A15 R10 (14)
A16 R10 (5)
A17 R10 (16)
A18 R10 (3)
A19 R10 (18)
A20 SC1 (19), PRO-CT0 (59)
A21 SC1 (17), PRO-CT0 (60)
A22 SC1 (15), PRO-CT0 (61)
A23 SC1 (13), PRO-CT0 (62)
A24 SC1 (10), PRO-CT0 (5)
A25 SC1 (8), PRO-CT0 (6)
A26 SC1 (6), PRO-CT0 (7)
A27 SC1 (4), PRO-CT0 (8)
A28 SC2 (19), PRO-CT0 (13)
A29 SC2 (17), PRO-CT0 (14)
A30 GND
A31 GND
A32 GND

B1 +5V
B2 +5V
B3 +5V
B4 P11 (9)
B5 P11 (12)
B6 P11 (7)
B7 P11 (14)
B8 P11 (5)
B9 P11 (16)
B10 P11 (3)
B11 P11 (18)
B12 P10 (9)
B13 P10 (12)
B14 P10 (7)
B15 P10 (14)
B16 P10 (5)
B17 P10 (16)
B18 P10 (3)
B19 P10 (18)
B20 SC1 (18), PRO-CT0 (1)
B21 SC1 (16), PRO-CT0 (2)
B22 SC1 (14), PRO-CT0 (3)
B23 SC1 (12), PRO-CT0 (4)
B24 SC1 (9), PRO-CT0 (9)
B25 SC1 (7), PRO-CT0 (10)
B26 SC1 (5), PRO-CT0 (11)
B27 SC1 (3), PRO-CT0 (12)
B28 SC2 (18), PRO-CT0 (17)
B29 SC2 (16), PRO-CT0 (18)
B30 GND
B31 GND
B32 GND

The ICs:

• R10 = 74LS244
• R11 = 74LS244
• P10 = 74LS244
• P11 = 74LS244

CN10

Pin	Connected to	Location
A1	+5V
A2	+5V
A3	+5V
A4	+5V
A5	Pin 2 of 74AS245	B7
A6	Pin 3 of 74AS245	B7
A7	Pin 4 of 74AS245	B7
A8	Pin 5 of 74AS245	B7
A9	Pin 6 of 74AS245	B7
A10	Pin 7 of 74AS245	B7
A11	Pin 8 of 74AS245	B7
A12	Pin 9 of 74AS245	B7
A13	Pin 2 of 74AS245	B8
A14	Pin 3 of 74AS245	B8
A15	Pin 4 of 74AS245	B8
A16	Pin 5 of 74AS245	B8
A17	Pin 6 of 74AS245	B8
A18	Pin 7 of 74AS245	B8
A19	Pin 8 of 74AS245	B8
A20	Pin 9 of 74AS245	B8
A21	Pin 9 of 74AS245 + Pin 3 of 74AS244	B8 + C11
A22	Pin 5 of 74AS244	C11
A23	Pin 7 of 74AS244	C11
A24	Pin 9 of 74AS244	C11
A25	Pin 12 of 74AS244	C11
A26	Pin 14 of 74AS244	C11
A27	Pin 16 of 74AS244	C11
A28	Pin 18 of 74AS244	C11
A29	Ground
A30	Ground
A31	Ground
A32	Ground

B1 +5V
B2 +5V
B3 +5V
B4 +5V
B5 B9 (18)
B6 B9 (3)
B7 B9 (16)
B8 B9 (5)
B9 B9 (14)
B10 B9 (7)
B11 B9 (12)
B12 B9 (9)
B13 B10 (18)
B14 B10 (3)
B15 B10 (16)
B16 B10 (5)
B17 B10 (14)
B18 B10 (7)
B19 B10 (12)
B20 B10 (9)
B21 B11 (18)
B22 B11 (3)
B23 B11 (16)
B24 B11 (5)
B25 PRO-C0 (72)
B26 PRO-C0 (74)
B27 PRO-C0 (75)
B28 PRO-C0 (73)
B29 GND
B30 GND
B31 GND
B32 GND

The ICs:

• B7 = 74AS245
• B8 = 74AS245
• B9 = 74HC244
• B10 = 74HC244
• B11 = 74AS244
• C11 = 74AS244

CN11

A1 +5V
A2 +5V
A3 +5V
A4 +5V
A5 F2 (14)
A6 F2 (12)
A7 F2 (9)
A8 F2 (7)
A9 F2 (3)
A10 F2 (5)
A11 G2 (5)
A12 G2 (16)
A13 G2 (9)
A14 G2 (12)
A15 G2 (7)
A16 G2 (14)
A17 G2 (18)
A18 G2 (3)
A19 F2 (16)
A20 NOT CONNECTED
A21 B11 (14)
A22 G10 (13)
A23 NOT CONNECTED
A24 NOT CONNECTED
A25 NOT CONNECTED
A26 NOT CONNECTED
A27 NOT CONNECTED
A28 NOT CONNECTED
A29 GND
A30 GND
A31 GND
A32 GND

B1 +5V
B2 +5V
B3 +5V
B4 +5V
B5 F1 (9)
B6 F1 (8)
B7 F1 (7)
B8 F1 (6)
B9 F1 (5)
B10 F1 (4)
B11 F1 (3)
B12 F1 (2)
B13 G1 (9)
B14 G1 (8)
B15 G1 (7)
B16 G1 (6)
B17 G1 (5)
B18 G1 (4)
B19 G1 (3)
B20 G1 (2)
B21 B11 (7)
B22 B11 (12)
B23 B11 (9)
B24 NOT CONNECTED
B25 NOT CONNECTED
B26 NOT CONNECTED
B27 NOT CONNECTED
B28 NOT CONNECTED
B29 GND
B30 GND
B31 GND
B32 GND

The ICs:

• B11 = 74AS244
• F1 = 74LS245
• F2 = 74LS244
• G1 = 74LS245
• G2 = 74LS244
• G10 = LS138