Sony HBD-E280 Service Manual page 75

Pin No. Pin Name
58 KARAOKE_MODE
59 MIC_CLK
60 MIC_DATA
61 MIC_DET_OUT
62 Vcc
63 S-AIR_RST
64 Vss
65 PLUG_DET
66 S-AIR_RF_FB
67 DRIVER_SD
68 ACAL_OUT
69 FE_RST_IF
70 FL_CS
71 ASEL_0
72 ASEL_1
73, 74 NO USE
75 ST_RDS_INT
76 NO USE
77 TS_SDA
78 TS_SCL
79 ATA_PCONT2
80 NO USE
81 SRS_INT
82 PCONT1
83 BD_RESET
84 JIG_MODE1
85 OPWRSB
86 FE_EJECT
87 UPG_STATUS
88 BD_CS
89 ACAL_LV
90 S-AIR_DET
91 BD_TEMP
92 DESTINATION
93 MODEL
94, 95 KEY2, KEY1
96 Vss
97 KEY0
98 Vref
99 Vcc
100 BD_SDO
I/O
I Karaoke mode information input terminal
O Clock signal output terminal
O Serial data output terminal
O Microphone detection signal output terminal
- Power supply terminal (+3.3V)
O Reset signal output terminal
- Ground terminal
I Calibration microphone plug insert detection signal input terminal
I RF feedback signal output terminal
I Shut down signal input from the power amplifi er
I Auto calibration output detection signal input terminal
O Reset signal output terminal
O Chip select signal output to the fl uorescent indicator tube driver
O Audio selection signal output terminal
O Audio selection signal output terminal
O Not used
I RDS interrupt signal input from the FM receiver
O Not used
I/O Two-way data bus Not used
I/O Two-way clock bus Not used
O Power supply control signal output terminal
O Not used
O Reset signal output terminal
O Power supply on/off control signal output terminal
O Reset signal output to the BD decoder, NAND fl ash and EEPROM
I Jig mode selection signal input from the BD decoder
I Power control signal input from the BD decoder
O Eject/stop key input detection signal output to the BD decoder
I UPG status signal input from the BD decoder
O Chip select signal output to the BD decoder
I Microphone input level detection signal input terminal
I Wireless transceiver detection signal output terminal
I Temperature detection signal input terminal
I Destination setting terminal
I Model setting terminal
I Key input terminal for front panel keys
- Ground terminal
I Power supply key input terminal
I Reference voltage (+3.3V) input terminal
- Power supply terminal (+3.3V)
I Serial data input from the BD decoder
Description
Not used
Not used
Not used
Not used
Not used
Not used
"L": shut down
Not used
"L": external audio input , "H": FM
Not used
Not used
Not used
"H": power on
Not used
Fixed at "L" in this unit
HBD-E280/T28
Not used
Not used
"L": reset
Not used
75