Sony STR-DG720 Service Manual ▷ View online
STR-DG720
61
DIGITAL BOARD (2/3) IC1010 MB91353APMT-G-117E1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
DAC CLK/XMDACMC
O
Clock signal output for XM DAC IC (US, Canadian model) or 8CH DAC IC (AEP, Thai model)
2
XMDACMS
O
Serial latch signal output for XM DAC IC (US, Canadian model)
3
XMDACMDI
O
Serial data output for XM DAC IC (US, Canadian model)
4
DAC_DI
O
Serial data output for 8CH DAC IC
5
TUNING A
I
TUNING +/- encoder (A) signal input
6
TUNING B
I
TUNING +/- encoder (B) signal input
7
HDMI_REG_CTRL
O
HDMI regulator control signal output
8
DSP_SELECT
O
DSP select signal output
9
POWER_RY
O
Power relay control signal output
10
VOL_CL
O
Clock signal output for DIR IC
11
VOL_DA
O
Serial data output for DIR IC
12
HP_DETECT
I
Headphone detection signal input
13
HP_RY
O
Headphone relay driver control signal output
14
C/SUR/SB
O
CENTER/SURROUND/SURROUND BACK L-ch speaker relay driver control signal output
15
FRONT B/ST SW RY
O
FRONT B speaker relay driver control signal output
16
SW RY
O
SUB WOOFER speaker relay driver control signal output
17
FRONT A RY
O
FRONT A speaker relay driver control signal output
18
VSS
—
Ground
19
VCC
—
Power supply pin (+3.3 V)
20
SBR RY
O
SURROUND BACK R-ch speaker relay driver control signal output
21
TUNE_LAT
O
Serial latch signal output for tuner pack
22
TUNE_DI
O
Serial data output for tuner pack
23
T_CLK
O
Clock signal output for tuner pack
24
TUNE_DO
I
Tuner IF data input from tuner pack
25
FUSE_DETECT
I
Fuse open detection signal input
26
DAC_ATC
O
Serial latch signal output for 8CH DAC IC
27
DAC_MUTE
O
Mute signal output for 8CH DAC IC
28
CEC_OUT
O
CEC signal output
29
DIR_XSTATE
I
Xstate signal input from DIR IC
30
HDMI_ERR
I
Error detection signal input from HDMI CONTROL IC
31 to 34
V_SW4 to V_SW1
O
Video select signal output for COMPONENT VIDEO SELECT IC
35, 36
COMP_S1, COMP_S2
O
Component video select signal output for COMPONENT VIDEO SELECT IC
37
PS(V-MUTE)
O
Video mute signal output for COMPONENT VIDEO SELECT IC
38
DIR_XMODE(RESET)
O
System reset (Xmode) signal output for DIR IC
39
DIRCKST
O
Clock select signal output for DIR IC
40
VSS
—
Ground
41, 42
NO USE
O
Not used (Open)
43
VSS
—
Ground
44
VCC
—
Power supply pin (+3.3 V)
45
DIR_CLK
O
Data clock signal output for DIR IC
46
DIR_CE(LAT)
O
Latch signal output for DIR IC
47
DIR_DI
O
Data output for DIR IC
48
DIR_DO
I
Data input from DIR IC
49
DIR_ERROR
I
Error detection signal input from DIR IC
50
HDMI_FSRATE
I
FSRATE signal input
51
NMI
I
Not used (Fixed at H)
52
MD2
—
Selection of micon operation mode (Fixed at H)
53, 54
MD1, MD0
—
Selection of micon operation mode (Connect to VSS)
55
INIT
I
External reset signal input
56
VCC
—
Power supply pin (+3.3 V)
57
X1
—
Clock signal output (12.5 MHz)
58
X0
—
Clock signal input (12.5 MHz)
59
VSS
—
Ground
60
X0A
—
Not used (Connect to VSS)
61
X1A
—
Not used (Open)
Ver. 1.1
STR-DG720
62
Pin No.
Pin Name
I/O
Description
62
RESET_TRG
I
Reset trigger signal input
63
DIR_DATA0
I
Serial data input from DIR IC
64
DSP RESET
O
System reset signal output for DSP EX3 IC
65
DSP SPIDS(LAT)
O
Serial data latch pulse signal output for DSP EX3 IC
66
74ACT153_B
O
Select control signal output for SELECTOR IC
67
74ACT153_A
O
Select control signal output for SELECTOR IC
68
PROTECTOR
I
Protector detection signal input
69
FL LAT
O
Latch signal output for FL DISPLAY DRIVER IC
70
FL_CLK
O
Clock signal output for FL DISPLAY DRIVER IC
71
FL_DATA
O
Serial data output for FL DISPLAY DRIVER IC
72
NO USE
O
Not used (Open)
73
DSP MISO
I
Serial data input from DSP EX3 IC
74
DSP MOSI
O
Serial data output for DSP EX3 IC
75
DSP SPICLK
O
Serial data transfer clock signal output for DSP EX3 IC
76
VSS
—
Ground
77
VCC
—
Power supply pin (+3.3 V)
78
EEPROM CLK
O
Clock signal output for EEPROM IC
79
VOL_JOG(2B)
I
MASTER VOLUME encoder (B) signal input
80
VOL_JOG(2A)
I
MASTER VOLUME encoder (A) signal input
81
DSPINT
I
Interrupt status signal input from DSP EX3 IC
82
DCAC_DSP_IN
I
External Interrupt signal input from DSP EX3 IC
83
STOP
I
AC off detection signal input
84
SIRCS_IN
I
SIRCS signal input
85
POWER KEY
I
Power key detection signal input
86
RDS INT/XMDB-
POWER
I/O
RDS data clock signal input (AEP model)/XM power control signal output (US, Canadian
model)
model)
87
RDS DATA
I
RDS data input (AEP, UK model)
88
CEC IN
I
CEC signal input
89
INPUT ENCODER A
I
INPUT SELECTOR encoder (A) signal input
90
INPUT ENCODER B
I
INPUT SELECTOR encoder (B) signal input
91
NO USE
O
Not used (Open)
92
XMMIXMO
I
XM uart RX signal input from XM DIGITAL TRANSCEIVER IC (US, Canadian model)
93
XMMOXMI
O
XM uart TX signal output for XM DIGITAL TRANSCEIVER IC (US, Canadian model)
94
XMRESET
O
XM reset signal output for XM DIGITAL TRANSCEIVER IC (US, Canadian model)
95
VCC
—
Power supply pin (+3.3 V)
96
VSS
—
Ground
97
SUBT
O
Sub transformer voltage detection signal output
98
EEPROM DATA
I
Serial data input from EEPROM IC
99
CLINK_TX
I
DMPORT receiver signal input from 8CH DAC IC
100
CLINK_RX
O
DMPORT transmitter signal output for 8CH DAC IC
101
CLINK_DET
I
DMPORT detection signal input from 8CH DAC IC
102
FLASH2/HDMI_UART_
RX
O
Flash programming signal input/DMPORT receiver signal output
103
FLASH1/HDMI_UART_
TX
I
Flash programming signal output/DMPORT transmitter signal input
104
HDMI RESET
O
System reset signal output for HDMI CONTROL IC
105, 106
NO USE
O
Not used (Open)
107
DAVS(VSS)
—
Ground for D/A converter
108
DAVC(3.3V)
—
Power supply pin (+3.3 V) for D/A converter
109
AVCC(3.3V)
—
Analog power supply pin (+3.3 V) for A/D converter
110
AVRH(3.3V)
—
Standard power supply pin (+3.3 V) for A/D converter
111
AVSS/AVRL(VSS)
—
Analog ground for A/D converter
112
VSS(GND)
—
Ground
113, 114
AD KEY1, AD KEY2
I
Key signal input (A/D port)
115
DCAC_IN
I
AUTO CAL MIC analog signal input
116
VERSION
I
Destination detection signal input (L: US, Canadian, Thai model, H: AEP model)
Ver. 1.1
STR-DG720
63
Pin No.
Pin Name
I/O
Description
117
RDS SIGNAL
I
TUNER SD signal detection input
118
MODEL
I
Model select signal input (Fixed at L)
119
VACS_CTRL
I
Not used (Fixed at L)
120
NO USE
O
Not used (Connect to VSS)
Ver. 1.1
STR-DG720
64
Pin No.
Pin Name
I/O
Description
1
VSYNC
O
Vertical synchronize signal output for HDMI TX.
2 to 5
QO23 to QO20
—
Not used (Open)
6
IOGND
—
Ground
7
IOVCC
—
Power supply pin (+3.3 V)
8 to 11
QO19 to QO16
—
Not used (Open)
12
CVCC18
—
Power supply pin (+1.8 V)
13
CGND
—
Ground
14 to 17
QO15 to QO12
—
Not used (Open)
18
IOGND
—
Ground
19
IOVCC
—
Power supply pin (+3.3 V)
20 to 23
QO11 to QO8
—
Not used (Open)
24
CVCC18
—
Power supply pin (+1.8 V)
25
CGND
—
Ground
26 to 29
QO7 to QO4
—
Not used (Open)
30
IOGND
—
Ground
31
IOVCC
—
Power supply pin (+3.3 V)
32 to 35
QO3 to QO0
—
Not used (Open)
36
CVCC18
—
Power supply pin (+1.8 V)
37
CGND
—
Ground
38
CI2CA
—
Not used (Fixed at L)
39
CSDA
I/O
I2C two-way data bus with HDMI section.
40
CSCL
I
I2C clock signal input from HDMI controller.
41
DSDA
I/O
I2C two-way data bus with HDMI input select.
42
DSDL
I
I2C clock signal input from HDMI input select.
43
NC
—
Not used (Open)
44
PWR5V
I
HDMI SAT IN, DVD IN, BD IN and OUT connector detect signal input
45
CVCC18
—
Power supply pin (+1.8 V)
46
PGND
—
Ground
47
PVCC
—
Power supply pin (+3.3 V)
48
RSVD
—
Not used (Open)
49
AVCC
—
Power supply pin (+3.3 V)
50
RXC–
I
TMDS clock signal input from HDMI SAT IN, DVD IN, BD IN and OUT connector.
51
RXC+
I
TMDS clock signal input from HDMI SAT IN, DVD IN, BD IN and OUT connector.
52
AGND
—
Ground
53
AVCC
—
Power supply pin (+3.3 V)
54
RX0–
I
TMDS data input 0 from HDMI SAT IN, DVD IN, BD IN and OUT connector.
55
RX0+
I
TMDS data input 0 from HDMI SAT IN, DVD IN, BD IN and OUT connector.
56
AGND
—
Ground
57
AVCC
—
Power supply pin (+3.3 V)
58
RX1–
I
TMDS data input 1 from HDMI SAT IN, DVD IN, BD IN and OUT connector.
59
RX1+
I
TMDS data input 1 from HDMI SAT IN, DVD IN, BD IN and OUT connector.
60
AGND
—
Ground
61
AVCC
—
Power supply pin (+3.3 V)
62
RX2–
I
TMDS data input 2 from HDMI SAT IN, DVD IN, BD IN and OUT connector.
63
RX2+
I
TMDS data input 2 from HDMI SAT IN, DVD IN, BD IN and OUT connector.
64
AGND
—
Ground
65
DGND
—
Ground
66
DVCC18
—
Power supply pin (+1.8 V)
67
MUTE
O
Audio muting signal output
68
IOVCC
—
Power supply pin (+3.3 V)
69
IOGND
—
Ground
70
SPDIF
O
SPDIF signal output for digital audio interface and HDMI TX.
71 to 74
SD3 to SD0
O
Serial data output for DSP and HDMI TX.
75
WS
O
Word select signal output for DSP and HDMI TX.
76
SCK
O
Serial clock signal output for DSP and HDMI TX.
HDMI RE BOARD (1/2) IC3511 SII9011CLU (HDMI RX)
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