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Pin No. Pin Name I/O Pin Description
55 B-CAPM2 O Capstan motor driver (DECK B)
56 B-CAPM3 O Capstan motor driver (DECK B)
57 B-CAPM4 O Capstan motor driver (DECK B)
58 B-CAPM1 O Capstan motor driver (DECK B)
59 A-CAPM2 O Capstan motor driver (DECK A)
60 A-CAPM1 O Capstan motor driver (DECK A)
61 A-CAPM3 O Capstan motor driver (DECK A)
62 A-CAPM4 O Capstan motor driver (DECK A)
63 – 79 S17 – S1 O Fluorescent indicator tube segment driver
80 — — Not used in this set.
81 – 87 G1 – G7 O Fluorescent indicator tube grid driver
88 VEE — Fluorescent indicator tube power supply (-24 V)
89 VCC — Power supply (+5 V)
90 VREF — Connected to power supply.
91 AVSS — Ground
92 – 97 — — Not used in this set.
98 TRGAON/OFF O Trigger control output (DECK A)
99 TRGBON/OFF O Trigger control output (DECK B)
100 A-HALF I Half switch input (DECK A)
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