IC DESCRIPTION -1/1 (?PD178006AGC-555-3B9, ?PD178018AGC) -2/2
Pin No.Pin NameI/ODescription
42SUB M CONT 2OSub motor control output-2.
43MODE PLIMode pulse input for tape mechanism.
44REELIReel pulse input for tape mechanism.
45STAND-BYIMechanism Stand-by input
46F/R HEADOHead FWD/REV select output.
47MS INIMS signal input (no music: "H", with music: "L"). Pulled when not used
48LEDOSecurity LED flashing output ("H": 120-130 ns, 1 cycle: 3 s)
49MI-1
50MI-2IDiode matrix input for initial setting
51MI-3
52MO-1
53MO-2ODiode matrix output for initial setting
54MO-3
55MO-4
56BS CONTOMS/BL switching output. Open when not used
57NR CONTODolby B NR on/off output. Open when not used
58MTL CONTOMetal tape on/off output. Open when not used
59BEEPOBeep output (3 kHz, 50 ms)
60RMT INIRemote control input. Pulled up when not used
61E-VOL CEOCE output to electronic VR (LC75374E)
62E-VOL DOOData output to electronic VR (LC75374E)
63E-VOL CLOOClock output to electronic VR (LC75374E)
64DSSAOOutputs "H" only when DSSA L/R are operating.
65RDS DIIRDS data inputPulled down when not used.
66DFP INIDetects whether DFP (front panel) is provided or not.
67FLAP INIDetects whether flap DFP is open or closed.
68RDS CLIIRDS clock inputPulled down when not used
69EJECT ININC (pulled down)
70ACC INIACC (accessory power supply) on/off input
71RE1 INIRotary encoder input 1.
72RE2 INIRotary encoder input 2.
73PACK INITape insertion status detection input
74REG CPU�CPU power regulator
75GND�Ground
76X-OUT�System clock oscillator
77X-INISystem clock oscillator
78REG OSC�Regulator for oscillator circuit
79VDD�Power supply
80RESETISystem reset input
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ACEC
