Sony HT-GT1 Service Manual page 51

Pin No. Pin Name
54 DIR_DOUT
55 DIR_DIN
56 DIR_CLK
57 DIR_FLAG1
58 DIR_FLAG2
59 BLUETOOTH_LED
60 Vcc
61 BT_STBY
62 Vss
63 NFC STANDBY
64 NFC DATA SEL
65 DSP INT
66 NFC RF DETECT
67 NFC DATA
68 NFC CLOCK
69 NFC IRQ
70 FAN_ONOFF
71 FAN_SPEED
72 TUNER_ON
73 USB MCHNG
74 USB IRPTO
75 USB SDA
76 USB SCL
77 USB BUSY
78 USB RESET
79 USB SEARCH
80 USB POWER
USB
81
OVERCURRENT
82 F_SPK_RELAY
83 DSEL
84 P-ON
85 FAN_LOCK
86 SPEC-IN
87 DC-OFFSET
88 PVDD-ON
89 EXT_SEL_D-A
90, 91 KEY 1, KEY 2
92 VOLUME-JOG
93 MODEL-IN
94 Avss
95 DP CS
96 VREF
97 Avcc
98 DP INH
99 DP SDA
100 DP SCL
I/O
O Serial data output to the digital audio interface receiver
I Serial data input from the digital audio interface receiver
O Serial data transfer clock signal output to the digital audio interface receiver
I Error detection signal input from the digital audio interface receiver
I Non-PCM detection signal input from the digital audio interface receiver
O LED drive signal output terminal for the Bluetooth indicator
- Power supply terminal (+3.3V)
- Not used
- Ground terminal
O Standby control signal output to the NFC module
O Data read/write control signal output to the NFC module
I Interrupt signal input from the audio DSP
I RF detection signal input from the NFC module
O Serial data output to the NFC module
O Serial data transfer clock signal output to the NFC module
I Interrupt request signal input from the NFC module
- Not used
O Fan motor speed control signal output terminal
O Power on/off control signal output to the TUNER board for the tuner section
I File playback compete fl ag input from the USB decoder
I Interrupt signal input from the USB decoder
I/O Two-way I2C data bus with the USB decoder
O Serial data transfer clock signal output to the USB decoder
I Busy signal input from the USB decoder
O Reset signal output to the USB decoder
I Searching fl ag input from the USB decoder
O USB VBUS power on/off control signal output terminal
I USB VBUS power over current detection signal input terminal
O Relay drive signal (for front speaker) output terminal
O External input digital audio and clock signal selection signal output terminal
O Main power on/off control signal output terminal
- Not used
- Not used
I Speaker DC detection signal input terminal
O Main power on/off control signal output terminal
O External input digital audio and clock signal selection signal output terminal
I Top panel key input terminal (A/D input)
I Jog dial pulse input from the rotary encoder for volume dial
- Not used
- Ground terminal
O Chip select signal output to the LCD driver
I Reference voltage (+3.3V) input terminal
- Power supply terminal (+3.3V)
Liquid crystal display and LCD back light LED on/off control signal output to the LCD driver
O
"H": liquid crystal display and LCD back light LED on
O Serial data output to the LCD driver
O Serial data transfer clock signal output to the LCD driver
Description
"H": LED on
"L": reset
"H": power on
"H": relay on
"H": power on
"L": protect
"H": power on
HT-GT1
"H": power on
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