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IC DESCRIPTION -1/2 (IC, µPD178078GF-565-3BA) -2/3
Pin No. 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60, 61 62 63 64 65 66 67 68 69, 70 71 ~ 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 Pin Name FM OSC AM OSC GND PLL EO O EO I IC RESET RDS CLK IN ACC IN RMT IN ST-IND/SD IN NC ST-BY MUTE POWER CONT RDS DI BEEP NC BAND CONT CD ACC CONT RDS MODE POWER MUTE LCD CONT 2 LCD CONT 1 AF MUTE NC MI-1 ~ MI-3 MO-1 MO-2 MO-3 MO-4 AUX IN PACK IN RE1 IN RE2 IN GND NC PANCON1 PANCON2 STAND BY REEL MAIN M CONT FLAP IN I/O I I � O O � I I I I I � O O I O � O O O O O O O � I O O O O � I I I � � � � I I O � FM local oscillation input. AM local oscillation input. Ground for PLL. Error output from charge pump (for FM). Error output from charge pump (for AM). Connected to pull-down resistor. System reset input. RDS clock input. Pulled down when not used. (Not used) ACC (accessory power supply) ON/OFF input. Remote control input. Pulled up when not used. (Connected to GND) Stop pulse input during FM/AM seek. Not connected. Standby/muting output to power amplifier. Unit power control output. RDS data input. Pulled down when not used. (Not used) BEEP output. (3kHz, 50ms) Not connected. AM/FM power switching output. AM: "H", FM: "L". Transmits the power ON/OFF status of head unit to changer. Open when not used. Outputs "H" during RDS AF operation. Open when not used. (Not used) Muting output to power amplifier. LCD DRV power control 2. (Not used) LCD DRV power control 1. Audio muting output. Not connected. Diode matrix input for initial setting. Diode matrix output for initial setting. (Not used) Diode matrix output for initial setting. (Open demo) Diode matrix output for initial setting. Diode matrix output for initial setting. (Not used) Connected to pull-up resistor. Tape insertion status detection input. Rotary encorder input 1. Rotary encorder input 2. Ground. Not connected. Not used. Not used. Mechanism stand-by input. Reel pulse input for tape mechanism. Main motor control output. Not used. Description
