SONY CDXC570R Repair Manual

Pin No.Pin NameI/OPin Description
55AMP MUTEOPower amplifier attenuate control output
56AMP ONOPower amplifier power control output
57XMODEOReset output to CD-TEXT decoder IC.
58VOL SOOMain volume serial data output
59VOL CKOOMain volume serial clock output
60AU MUTEOSystem attenuate control output
61AF MUTEOAttenuate output at AF operation of RDS.
62TU MUTEOTuner attenuate output
63VSSNGND
64ACC INIAccessory power detection input
65AF SEEKOAF operation control output of RDS.
66M SIOI/OEEPROM serial data input/output (Not used in this set.)
67DAVNIRDS IC data taking in detection input
68M CKOEEPROM serial clock output (Not used in this set.)
69M CEOEEPROM chip enable output (Not used in this set.)
70RDS SIORDS serial data input
71RDS CKIORDS serial clock input
72RC IN1IRotary commander shift key input
73X1ANLow speed oscillation input 1
74X0ANLow speed oscillation input 0
75SCORISCOR signal detection input
76BU-INIBack-up power detection input
77DQSYICD-TEXT data set complete signal detection input
78CD SENSICD SENS signal detection input
79KEY ACKIKey input detection input at power OFF.
80TEL MUTEITelephone attenuate detection input
81ST IN/MONOITuner stereo signal detection input
82SEEK OUTOMW/LW SEEK output
83SD INISignal detector input
84NCOConnect to GND.
85PLL CEOPLL chip enable output
86HNHardware standby input
87VSSNGND
88, 89VCCNPower supply pin (+5 V)
90RESETNReset input
91VSSNGND
92X0NHigh speed oscillation input 0
93X1NHigh speed oscillation input 1
94VCCNPower supply pin (+5 V)
95PW SELIPower select initial setting input
96NILIConnect to GND.
97AREA1IDestination select input 1 (Fixed at OH� in this set.)
98AREA2IDestination select input 2 (Fixed at OL� in this set.)
99AREA3IDestination select input 3 (Fixed at OH� in this set.)
100BAND (9K/10K)IFixed at OH� in this set.
101NILIConnect to GND.
102PH3INot used in this set.
103PH2INot used in this set.
104LCD CEOLCD chip enable output
105NILIConnect to GND.
106RE0IRotary encoder input 0
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