I have never bought a service manual which is as competely readable as this althogh it was a scanned pdf. Thank you for this succesful manual also cheaper than other sites.
Thanks for a very good and readable servicemanual. Just what I needed as a "dinosaur technician". I really recommmend this site and will come back.
Åsbjörn
Pin Name COM2 COM3 LCD0 LCD1 LCD2 LCD3 LCD4 LCD5 LCD6 LCD7 LCD8 LCD9 LCD10 LCD11 LCD12 LCD13 LCD14 LCD15 LCD16 BATT SEL TV SEL BASS SEL POC0 MUTE OUT SP CANCEL S-BASS OUT CLOCK/TU Xout Xin DSP TEST BATT IND S-BASS HOLD IF SELECT BATT DSP NSB SIG KEY IN GND VDD2
I/O O O O O O O O O O O O O O O O O O O O I I I O O O O I � I I/O O I I I I I I � � LCD segment output LCD common output
Description
Voltage detection method select pin. "H": Voltage is detected by the input to pin 76. "L": Voltage is detected by the input to pin 64. TV canceling pin. "H": TV not provided, "L": TV provided. S-BASS key select pin. "H": Switched by input to S-BASS port. "L": Switched by A/D key input. Not used Outputs "H" with MUTE. Outputs "H" to cancel speaker output. Outputs "H" with S-BASS ON. Clock/frequency display switching input. "H": Frequency display. For the connection of crystal oscillator For the connection of crystal oscillator All indicators light when "H" is input. BT3 indicator lights when "H" is input. S-BASS ON with "H" input No A/D key input is accepted when "H" is input. IF frequency select pin. "H": 10.7 MHz, "L": 10.5 MHz A/D input for battery remaining lever display A/D input for discriminating NSB signal level. A/D KEY input GND Power supply
