Sony HCD-HDX275 Service Manual page 76

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
Pin No. Pin Name
55 NO_USE
56 DAMP_LATCH2
57 DC_DET
58 S-AIR_RST(SRC RST)
59 NO USE
60 NO USE
61 NO USE
62 VCC
63 HDMI_PCONT
64 VSS
65 DAMP_LATCH1
(MIC/A.CAL_SW)/
66 (HP_SW and
MIC2_SW)/S-AIR_DET
67 S-AIR_GPIO_2
68 TUNED
69 ST_CLK
70 ST_DO
71 ST_CE
72 ST_DI
73 NO USE
74 KEY INT
75 LED_LAT
76 NO USE
77 S-AIR_I2C_SDA
78 S-AIR_I2C_SCL
79 NO USE
80 NO USE
81 NO USE
82, 83 V_SEL0, V_SEL1
84 IO_CE
85 IO_RESET
86 IO_DI
87 IO_DO
88 IO_CLK
89 DMPORT_DET
90 MONO/ST_DET
91 A.CAL_MIC_LEVEL
92 DESTINATION
93 MODEL
94, 95 KEY2, KEY1
96 VSS
97 KEY0
98 VREF
99 VCC
100 NO USE
76
I/O
O Not used
Serial data latch pulse signal output to the stream processor
O
(HCD-HDX275/HDX277WC/HDX475/HDX675)
I DC offset detection signal input terminal
Reset signal output to the ASYNC sample rate converter and EZW-RT10 or EZW-T100
O
"L": reset
O Not used
O Not used
O Not used
- Power supply terminal (+3.3V)
O Power on/off control signal output terminal
- Ground terminal
O Serial data latch pulse signal output to the stream processor
I Connect detection signal input from the J100, J101 and EZW-RT10 or EZW-T100
I Interrupt signal input from the EZW-RT10 or EZW-T100
I Tuning detection signal input from the tuner (FM/AM)
O Serial data transfer clock signal output to the tuner (FM/AM)
I Serial data input from the tuner (FM/AM)
O Serial chip enable signal output to the tuner (FM/AM)
O Serial data output to the tuner (FM/AM)
O Not used
I Wake up signal input terminal
O Serial data latch pulse signal output to the LED driver
O Not used
I/O I2C Two-way data bus with the EZW-RT10 or EZW-T100
I/O I2C data transfer clock signal input/output to the EZW-RT10 or EZW-T100
O Not used
O Not used
O Not used
O Video signal input selection signal output terminal
O Serial data latch pulse signal output to the changer control
O Reset signal output to the changer control
O Serial data output to the changer control
I Serial data input from the changer control
O Serial data transfer clock signal output to the changer control
I Connect detection signal input from the DMPORT connector
I MONO or STEREO detection signal input terminal
I MIC level detection terminal for the AUDIO IN/A.CAL MIC jack
I Setting terminal for the destination
I Setting terminal for the model
I Front panel key input terminal (A/D input)
- Ground terminal
I Front panel key input terminal (A/D input)
- Reference voltage (+3.3V) terminal
- Power supply terminal (+3.3V)
O Not used
Description
"H": power on
"L": tuned
"L": reset