Service Manual
Page 11
... input from FM/AM tuner pack. 19 STEREO I Stop signal input from remote control receiver IC. 50 TUNER MUTE O Muting control signal output to FM/AM tuner pack. 51... Master volume JOG data input A, B 40 FUNC.MUTE O Not used . (Connect to AV.REF pin in this set ) 41 CK O Serial clock signal output to electronic volume IC...+5V - A/D converter reference voltage input (+5 V) 31 - - Power supply pin (+5 V) 53 BASS B. SECTION 4 DIAGRAMS STR-DE197 4-1. IC PIN DESCRIPTION • IC201 µPD78045FGF-134-3B9 (SYSTEM CONTROLLER, FL DISPLAY DRIVER) Pin No. Not used ....
... input from FM/AM tuner pack. 19 STEREO I Stop signal input from remote control receiver IC. 50 TUNER MUTE O Muting control signal output to FM/AM tuner pack. 51... Master volume JOG data input A, B 40 FUNC.MUTE O Not used . (Connect to AV.REF pin in this set ) 41 CK O Serial clock signal output to electronic volume IC...+5V - A/D converter reference voltage input (+5 V) 31 - - Power supply pin (+5 V) 53 BASS B. SECTION 4 DIAGRAMS STR-DE197 4-1. IC PIN DESCRIPTION • IC201 µPD78045FGF-134-3B9 (SYSTEM CONTROLLER, FL DISPLAY DRIVER) Pin No. Not used ....