MVS board connectors pinouts

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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