Sony STR-DA3100ES - Fm Stereo/fm-am Receiver, Service Manual

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87
STR-DA3100ES
Pin No. Pin Name I/O Description
98 VSS – Ground terminal
99 EEP SDA I/O Two-way data bus with the EEPROM
100 EEP SCL O Serial data transfer clock signal output to the EEPROM
101 VSS – Ground terminal
102 OSD-CLK O Serial data transfer clock signal output to the OSD driver
103 OSD-DAT O Serial data output to the OSD driver
104 RDS DATA – Not used
105, 106
TREBJOG1,
I Jog dial pulse input from the rotary encoder (for TREBLE)
TREBJOG2
107 UPCOM DAT I/O Two-way data bus with the chroma decoder
108 UPCOM CLK O Serial data transfer clock signal output to the chroma decoder
109 SOT1 O Serial data output to the RS-232C
110 SIN1 I Serial data input from the RS-232C
111 FLCLK O Serial data transfer clock signal output to the fluorescent indicator tube
112 FLDATA O Serial data output to the fluorescent indicator tube
113 DAC LAT O Serial data latch pulse signal output to the D/A coverter
114 AD/AD RST O System reset signal output to the D/A coverter and A/D converter
115 DAC LAT I Serial data input from the D/A converter
116, 117 SP-A, SP-B I Front speaker selection switch input terminal
118, 119
MENU JOG1,
I Jog dial pulse input from the rotary encoder (for MENU)
MENU JOG2
120, 121
MAIN MENU JOG1,
I Jog dial pulse input from the rotary encoder (for MAIN MENU)
MAIN MENU JOG2
122 VCC – Power supply terminal (+3.3V)
123 SUB VOL LAT O Serial data latch pulse signal output terminal Not used
124 AC MUTE O Muting on/off control signal output terminal Not used
125 DATA FEINT – Not used
126 DAVS – Ground terminal (for D/A converter)
127 DAVC – Power supply terminal (+3.3V) (for D/A converter)
128 AVCC – Power supply terminal (+3.3V) (for A/D converter)
129 AVRH – Reference voltage (+3.3V) input terminal (for A/D converter)
130 AVRL – Reference voltage (0V) input terminal (for A/D converter)
131 AVSS – Ground terminal (for A/D converter)
132 to134 AD1 to AD3 I Front panel key input terminal (A/D input)
135 VERSION I Destination setting terminal
136 RDSSIGNAL – Not used
137 HP-SW I Headphone detection signal input terminal “H”: headphone is connected
138, 139
+/–JOG1,
I Jog dial pulse input from the rotary encoder (for –/+)
+/–JOG2
140 VCC2 – Power supply terminal (+3.3V)
141 BACUP – Power supply terminal (+3.3V) (for back up)
142 X0A I Sub system clock input terminal Not used
143 X1A O Sub system clock output terminal Not used
144 VSS – Ground terminal