Read Sony GTK-N1BT Service Manual online
GTK-N1BT
48
Pin No.
Pin Name
I/O
Description
54
DP CE
O
Chip enable signal output to the liquid crystal display driver
55
STANDBY_LED
O
LED drive signal output terminal for the STANDBY indicator “H”: LED on
56
SUB_ON
O
Main power on/off control signal output terminal
For several hundreds msec. after the power supply rises, “H” is input, then it change to “L”
For several hundreds msec. after the power supply rises, “H” is input, then it change to “L”
57
SPK_PROTECT
I
Speaker DC detection signal input terminal for the subwoofer “L”: protect
58
BT_LED
O
LED drive signal output terminal for the Bluetooth indicator “H”: LED on
59
EXT_A_ SEL_A
O
External input analog audio selection signal output terminal Not used
60
Vcc
-
Power supply terminal (+3.3V)
61
EXT_D_SEL_A
O
External input digital audio and clock signal selection signal output terminal
62
Vss
-
Ground terminal
63
EXT_D_SEL_B
O
External input digital audio and clock signal selection signal output terminal
64
TEMP
I
Temperature sensor input terminal Not used
65
TAS INT
I
Interrupt signal input from the audio DSP
66
USB_MCHNG
I
File playback compete fl ag input from the USB decoder
67
KEY2
I
Side panel key input terminal (A/D input)
68
POWER_MONITOR
I
Power monitor terminal
69
KEY1
I
Side panel key input terminal (A/D input)
70
POWER_ON
O
Main power on/off control signal output terminal “H”: power on
71
WM_DETECT
O
WALKMAN connection detection signal input terminal for the WALKMAN port Not used
72
KEY_WAKE_UP
I
Key wake-up signal input terminal
73
BT_MUTE
I
Muting request signal input from the Bluetooth module
74
DSP_RESET
O
Reset signal output to the audio DSP and sample rate converter “L”: reset
75
DSP_IIC_SDA
O
I2C data output to the audio DSP and digital power amplifi er (for L-ch/R-ch)
76
DSP_IIC_CLK
O
I2C clock signal output to the audio DSP and digital power amplifi er (for L-ch/R-ch)
77
DSP_MUTE
O
Muting on/off control signal output to the audio DSP “H”: muting on
78
DAMP_PDN
O
Power down control signal output to the digital power amplifi er (for L-ch/R-ch)
“L”: power down
“L”: power down
79
DAMP_RESET
O
Reset signal output to the digital power amplifi er (for L-ch/R-ch) “L”: reset
80
VOLUME-JOG
I
Jog dial pulse input from the rotary encoder for volume dial
81
PRI_AC-CUT
I
Primary AC cut on/off detection signal input terminal “L”: AC cut on
82
NFC_IRQ
I
Interrupt request signal input from the NFC module
83
NFC_SEL
O
Data read/write control signal output to the NFC module
84
NFC_DATA
O
Serial data output to the NFC module
85
USB_CHARGER
O
USB charge on/off control signal output terminal “H”: charge on
86
DAMP_FAULT
I
Fault signal input from the digital power amplifi er (for L-ch/R-ch) “L”: fault
87
S-Master_PG_MUTE
O
PG muting control signal output to the stream processor
88
S-Master_
SOFT_MUTE
O
Soft muting control signal output to the stream processor
89
S-Master_DATA
O
Serial data output to the stream processor
90
S-Master_SHIFT
O
Serial data transfer clock signal output to the stream processor
91
S-Master_LATCH
O
Serial data latch pulse signal output to the stream processor
92
S-Master_
NSP_MUTE
O
NSP muting control signal output to the stream processor
93
S-Master_NIT
O
Reset signal output to the stream processor “L”: reset
94
Avss
-
Ground terminal
95
SPEC-IN
I
Destination setting terminal
96
VREF
I
Reference voltage (+3.3V) input terminal
97
Avcc
-
Power supply terminal (+3.3V)
98
CXD9981_RESET
O
Reset signal output to the digital power amplifi er (for subwoofer) “L”: reset
99
CXD9981_OTW
I
Over temperature warning signal input from the digital power amplifi er (for subwoofer)
“L”: over temperature
“L”: over temperature
100
CXD9981_SD
I
Shut down signal input from the digital power amplifi er (for subwoofer) “L”: shut down
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