Sony STR-DH550 / STR-DH750 Service Manual ▷ View online
STR-DH550/DH750
53
Pin No.
Pin Name
I/O
Description
1
VCC
-
Power supply pin (+3.3V)
2
DSP_INT
I
Interrupt status signal input from DSP
3
DSP_RST
O
System reset signal output to the DSP “L” reset
4
POWER_RY
O
Relay drive signal (for main power) output terminal “H”: relay on
5
TUN_RDS_SIGNAL
I
RDS data signal input (for destination that support RDS only)
6
TUNER_SDA
I/O
Serial data output for tuner
7
TUNER_SCL
O
Clock signal output for tuner
8
TUNER_CE
O
Serial data latch pulse signal output to the tuner (FM/AM)
9
DAC-IIC-SDA
I/O
IIC data input/output from the D/A converter
10
DAC-IIC-SCL
O
IIC clock signal output to the D/A converter
11
BRIDGEABLE_RY
O
Relay drive signal (for power supply) output terminal “H”: relay on
12
SBL_SBR_RY
O
Relay drive signal (for surround back) output terminal “H”: relay on
13
SW_RY
O
Relay drive signal (subwoofer) output terminal “H”: relay on
14
FRONT_SPK_RY
O
Relay drive signal (for front) output terminal “H”: relay on
15
C/SL_SR_RY
O
Relay drive signal (for center and surround) output terminal “H”: relay on
16
EVOL_DATA
O
Serial data output to electrical volume
17
EVOL_CLK
O
Serial data transfer clock signal output to the electrical volume
18
PROTECT
I
Protect detection signal input terminal
19
E2P_SDA
I/O
Two-way data bus with the EEPROM
20
E2P_SCL
O
Serial data transfer clock signal output to the EEPROM
21
NO_USE
-
Not used
22
NO_USE
-
Not used
23
HP-RY
O
Relay drive signal (for headphone) output terminal “H”: relay on
24
HP-DETECT
I
Headphone detection signal input
25
VSS
-
Ground terminal
26
VCC
-
Power supply pin (+3.3V)
27
BT_MUTE
I
Bluetooth: Mute request from BT device to Video uCOM
28
NFC-RF-DET
I
NFC detection signal input (Only for STR-DH750)
29
P-CONT
O
Bluetooth Standby power control (Only for STR-DH750)
30
NO_USE
-
Not used
31
NO_USE
-
Not used
32
NO_USE
-
Not used
33
C
-
Regulator stabilization capacity connecting pin
34
VSS
-
Ground terminal
35
VCC
-
Power supply pin (+3.3V)
36
LED-ON
O
Power ON Green LED
37
LED-STBY
O
Standby LED
38
INITX
-
Main Micom Reset port
39
NO_USE
-
Not used
40
NO_USE
-
Not used
41
FUSE_DET
I
Fuse open detect signal input
42
FL-EN
O
Enable control for FL DISPLAY DRIVER IC
43
FL_CLK
O
Clock signal output for FL DISPLAY DRIVER IC
44
FL_DATA
O
Serial data output for FL DISPLAY DRIVER IC
45
FL_LAT
O
Latch signal output for FL DISPLAY DRIVER IC
46
MD1
-
Selection of micon operation mode (Connect to VSS)
47
MD0
-
Selection of micon operation mode (Connect to VSS)
48
X0
-
Main oscillator connecting pin
49
X1
-
Main oscillator connecting pin
50
VSS
-
Ground terminal
51
VCC
-
Power supply pin (+3.3V)
52
INPUT_JOG
I
Function encoder signal input
53
SIRCS_IN
I
SIRCS signal input
54
VOLUME_JOG
I
MASTER VOLUME encoder signal input
55
AD_KEY1
I
Key signal input (A/D port)
MAIN BOARD (4/7) IC2001 MB9AF156NPMC-G-JNK1E2 (SYSTEM CONTROL)
STR-DH550/DH750
54
Pin No.
Pin Name
I/O
Description
56
POWER_KEY
I
Power switch input terminal
57
AD_KEY2
I
Key signal input (A/D port)
58
PUREDIRECT
I
Disable FL display
59
MU UART IN
I
IIC data input from the video micom
60
AVCC
-
Analog power supply pin for A/D converter
61
AVRH
-
Standard power supply pin for A/D converter
62
AVSS
-
Analog ground for A/D converter
63
VCOM_SDA (OUT)
O
IIC data output to the video micom
64
HDMI_CEC_OUT
O
CEC serial data output to the HDMI connector
65
HDMI_CEC_IN
I
CEC serial data input from the HDMI connector
66
STOP
I
AC off detection signal input
67
LIMITER
I
Limiter signal input
68
DIR FSRATE
I
Sampling rate frequency from the digital audio interface receiver
69
TEMP_SENSOR_2
I
Thermal detection signal input from the thermal sensor
70
TEMP_SENSOR_1
I
Thermal detection signal input from the thermal sensor
71
FLASH_CLK
O
In Line programming clock data line
72
SO
O
Serial data output terminal (use for Firmware Flash Program)
73
SI
I
Serial data input terminal (use for Firmware Flash Program)
74
DIR_SIGNAL
I
Audio serial data input from the digital audio interface receiver
75
VSS
-
Ground terminal
76
VCC
-
Power supply pin (+3.3V)
77
DIR_XSTATE
I
Clock selection signal input from the digital audio interface receiver
78
TCK
-
Test clock signal input terminal (for JTAG)
79
TDI
-
Test data input terminal (for JTAG)
80
TMS
-
Test mode selection signal input terminal (for JTAG)
81
TD0
-
Test data output terminal (for JTAG) Not used
82
DIR_MISO
I
Serial data input from digital audio interface receiver
83
DIR_MOSI
O
Serial data output to digital audio interface receiver
84
DIR _SPICLK
O
Serial clock output to digital audio interface receiver
85
DIR_CE
O
Chip enable signal output to the digital audio interface receiver
86
DIR_SIGNAL
I
Audio serial data input from the digital audio interface receiver
87
DIR_RST
O
Reset signal output to the digital audio interface receiver
88
DSP_SFLASH_HOLD
O
Hold signal output to the serial fl ash
89
DSP_NLPCM
I
SPDIF / IIS NLPCM signal input from digital audio interface receiver / HDMI receiver
90
DSP_ERROR
I
SPDIF / IIS Error signal input from digital audio interface receiver / HDMI receiver
91
DSP_SPICS
O
Chip select signal output to DSP
92
PROG_VU_MD0
O
Programming (video micom)
93
VU_RST
O
Video micom reset signal output terminal
94
DSP_SPICLK
O
Serial data transfer clock signal output to the serial fl ash and DSP
95
DSP_MOSI
O
Serial data output to the serial fl ash and DSP
96
DSP_MISO
I
Serial data input from the serial fl ash and DSP
97
VCC
-
Power supply pin (+3.3V)
98
VSEL-SW
O
Composite video output signal switch
99
VMUTE
O
Video muting control signal output to the video amplifi er
100
VSS
-
Ground terminal
STR-DH550/DH750
55
MAIN BOARD (7/7) IC2602 MB9AF156NPMC-G-JNK1E2 (HDMI CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VCC
-
Power supply pin (+3.3V)
2
NO_USE
-
Not used
3
NO_USE
-
Not used
4
NO_USE
-
Not used
5
MHL-OVC
I
MHL over current detection
6
TEST_SCK
O
Not used
7
TEST_SDA
O
Not used
8
NO_USE
-
Not used
9
APPLE_RST
O
Reset pin for Apple certifi cation.
10
APPLE_SCL
O
I2C SCL for Apple certifi cation IC
11
APPLE_SDA
I/O
I2C SDA for Apple certifi cation IC
12
UPDATE-LED
I
USB Update: USB Update LED Control
13
HDMI-NLPCM
I
HDMI: Non LPCM Stream Info Line Notifi cation
14
NO_USE
-
Not used
15
NO_USE
-
Not used
16
NO_USE
-
Not used
17
NO_USE
-
Not used
18
TEST-1
O
Test Pad 1 (for designer evaluation only)
19
TEST-2
O
Test Pad 2 (for designer evaluation only)
20
TEST-3
O
Test Pad 3 (for designer evaluation only)
21
TEST-4
O
Test Pad 4 (for designer evaluation only)
22
TEST-5
O
Test Pad 5 (for designer evaluation only)
23
TEST-6
O
Test Pad 6 (for designer evaluation only)
24
TEST-7
O
Test Pad 7 (for designer evaluation only)
25
VSS
-
Ground terminal
26
VCC
-
Power supply pin (+3.3V)
27
PROG_MUTX
I
Programming pin (Uart TX pin)
28
PROG_MURX
O
Programming pin (Uart RX pin)
29
NO_USE
-
Not used
30
MHL-PCONT
O
MHL Power control
31
HDMIOUT-5VPWR
O
HDMI 5V detect pin
32
HDMI_PCONT
O
HDMI power control pin
33
C
-
Regulator stabilization capacity connecting pin
34
VSS
-
Ground terminal
35
VCC
-
Power supply pin (+3.3V)
36
SPARTA_RST
O
HDMI device reset control port
37
HDMI_MUTE
O
HDMI: Audio Mute Request
38
INITX
-
Video Micom Reset port
39
SPARTA_INT
I
HDMI device interrupt port
40
HDMI_SDA
I/O
HDMI: Communication Line - I2C SDA for HDMI-Rx, HDMI-Tx, EDID device
41
HDMI_SCL
O
HDMI I2C clock pin.
42
PROG_MU_MD0
O
Programming USB Update MD0 select
43
MU_RST
O
USB Update: USB Update Main Micom Reset
44
MU UART IN
O
Communication between Main and Video line.(Uart RX)
45
VCOM_SDA (OUT)
I
Communication between Main and Video line. (Uart Tx)
46
MD1
-
UCOM Mode setting terminal
47
MD0
-
UCOM Mode setting terminal
48
X0
-
Main oscillator connecting pin
49
X1
-
Main oscillator connecting pin
50
VSS
-
Ground terminal
51
VCC
-
Power supply pin (+3.3V)
52
NFC_SW
O
NFC switch (Only for STR-DH750)
53
NFC_IRQ
I
NFC interrupt pin (Only for STR-DH750)
54
NFC_DATA
I/O
NFC data line (Only for STR-DH750)
55
NO_USE
-
Not used
STR-DH550/DH750
56
Pin No.
Pin Name
I/O
Description
56
NO_USE
-
Not used
57
NFC_SEL
O
NFC select pin (Only for STR-DH750)
58
NO_USE
-
Not used
59
NO_USE
-
Not used
60
AVCC
-
A/D converter power supply terminal / Analog power supply pin for A/D converter
61
AVRH
-
ADC analog reference voltage input / Standard power supply pin for A/D converter
62
AVSS
-
A/D converter terminal GND / Analog ground for A/D converter
63
No_Use
-
Not used
64
BT_PCONT
O
Bluetooth: Power control for BT device
65
BT_VUTX_BTRX
O
Bluetooth: UART Rx on Video uCOM from BT device
66
BT_VURX_BTTX
I
Bluetooth: UART Tx on Video uCOM to BT device
67
BT_RST
O
Bluetooth: RESET for BT device
68
VURTSOUT_BTCTS
O
Bluetooth: RTS on Video uCOM
69
VUCTSIN_BTRTS
O
Bluetooth: CTS on Video uCOM
70
NO_USE
-
Not used
71
Prog_VU_SCK
O
Programming Clock (video micom)
72
Prog_VUTX
O
Programming UART TX (video micom)
73
Prog_VURX
I
Programming UART RX (video micom)
74
NO_USE
I
Not used
75
VSS
-
Ground terminal
76
VCC
-
Power supply pin (+3.3V)
77
TRXTS (No Use)
-
Not used
78
TCK
-
Test clock signal input terminal (for JTAG)
79
TDI
-
Test data input terminal (for JTAG)
80
TMS
-
Test mode selection signal input terminal (for JTAG)
81
TD0
-
Test data output terminal (for JTAG) Not used
82
NO_USE
-
Not used
83
NO_USE
-
Not used
84
NO_USE
-
Not used
85
NO_USE
-
Not used
86
NO_USE
-
Not used
87
NO_USE
-
Not used
88
NFC_RFDET
I
NFC DRF detect pin (Only for STR-DH750)
89
NFC_SPICLK
O
Serial data transfer clock signal output to the NFC
90
USB BUSY
O
BUSY signal communication between USB board
91
USB_RESET
O
USB: RESET for USB Device BU94604BKV
92
USB SEARCH
I
USB: SEARCH signal communication between USB board
93
USB_IRPTO
I
USB: IRPTO (notifi cation that two USB confi guration descriptor or more is connected) from
USB Device BU94604BKV
USB Device BU94604BKV
94
USB_SCL
O
USB: Communication Line I2C SDL
95
USB SDA
I/O
USB: Communication Line I2C SDA
96
USB_MCHNG
O
USB: MCHNG (change of music fi le being playback) to USB Device BU94604BKV
97
VCC
-
Power supply pin (+3.3V)
98
USB_PCONT
I
USB: Power control for USB device
99
USB_OVC
I
USB: Overcurrent Detection
100
VSS
-
Ground terminal
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