Read Sony SRS-GD50IP Service Manual online
SRS-GD50iP
22
Pin No.
Pin Name
I/O
Description
1 to 3
NO USE
O
Not used
4
SIRCS_IN
I
SIRCS signal input from the remote control receiver
5
P_CONT
O
Power supply on/off control signal output terminal "H": power on
6
ASEL0
O
Audio input selection signal output terminal “L”: iPod or USB, “H”: LINE IN or USB
7
ASEL1
O
Audio input selection signal output terminal “L”: iPod or LINE IN, “H”: USB
8
BYTE
I
External data bus width selection signal input terminal
9
CNVss
I
Change processor mode setting signal input terminal
10
HP_DET
I
Headphone connection detection signal input terminal “H”: headphone is connected
11
HP_MUTE
O
Headphone muting on/off control signal output terminal “L”: muting on
12
RESET
I
System reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
13
Xout
O
System clock output terminal (5 MHz)
14
Vss
-
Ground terminal
15
Xin
I
System clock input terminal (5 MHz)
16
Vcc1
-
Power supply terminal (+3.3V)
17
NMI
I
Not used
18
DAMP_RESET
O
Reset signal output to the digital power amplifi er1 “L”: reset
19
DAMP_PDN
O
Power down signal output to the digital power amplifi er1 “L”: power down
20
AC-CUT
I
AC cut detection signal input terminal “L”: AC cut
21
DAMP_MUTE
O
Muting on/off control signal output to the digital power amplifi er1 “L”: muting on
22
DAMP_SCL
O
Serial data transfer clock signal output to the digital power amplifi er1
23
DAMP_VALID
I
Valid signal input from the digital power amplifi er1 “H”: valid
24
DAMP_SDA
O
Serial data output to the digital power amplifi er1
25
DAMP_THM
I
Thermal warming signal input from the digital power amplifi er2 “H”: OK
26
DC_DET
O
Speaker DC detection signal input terminal “L”: DC detect
27
IPOD_VBUS
O
VBUS power supply on/off control signal output terminal “H”: power on
28
IPOD_CP_RESET
O
Reset signal output to the EEPROM “L”: reset
29
IPOD_CP_CLK
I/O
Two-way I2C clock bus with the EEPROM
30
IPOD_CP_DATA
I/O
Two-way I2C data bus with the EEPROM
31
UART_TXD1
O
Transmit data output terminal
32
UART_RXD1
I
Receive data input terminal
33
PC_VBUS
O
Not used
34
IPOD_ACCDET
O
Accessory detection signal output to the iPod connector
35
IPOD_TX
O
Serial data output to the iPod connector
36
IPOD_RX
O
Serial data input from the iPod connector
37
IPOD_DET
I
iPod connection detection signal input terminal “L”: iPod is connected
38
IPOD_ACCID
O
Accessory indicator signal output to the iPod connector
39
IPOD_ACCP
I
Wake-up signal input from the iPod connector
40
PC_CONNECT
O
USB data from iPod connector on/off selection signal output terminal “H”: USB data on
41
NO USE
O
Not used
42
LED_PC_CONNECT
O
VBUS detection signal output to the USB controller and D/A converter
43 to 45
NO USE
O
Not used
46
NO USE
I
Not used
47
I2C_DATA
O
Not used
48
I2C_CLK
O
Not used
49
KEY_PC_CONNECT
I
SYNC on/off switch input terminal “H”: SYNC on
50 to 61
LED_VOL_23 to
LED_VOL_12
O
LED drive signal output terminal for volume level indicator “H”: LED on
62
Vcc
-
Power supply terminal (+3.3V)
63
NO USE
O
Not used
64
Vss
-
Ground terminal
65, 66
NO USE
O
Not used
67
KEY_ECO
I
Not used
68, 69
NO USE
O
Not used
70
EEPROM_SDA
I/O
Two-way I2C data bus with the EEPROM
71
EEPROM_SCL
I/O
Two-way I2C clock bus with the EEPROM
72
LED_STANDBY
O
LED drive signal output terminal for STANDBY indicator “H”: LED on
73
KEY_POWER
I
POWER key input terminal
74
KEY_VOL_A
I
Jog dial pulse input from the rotary encoder (A phase input) (for VOLUME)
MAIN BOARD IC501 R5F3640DDA04FAR-128 (SYSTEM CONTROLLER)
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