Sony HT-DDW995 / STR-K995 Service Manual ▷ View online
49
STR-K995
Pin No.
Pin Name
I/O
Description
1
HDMI_MUTE
I
HDMI mute signal input
2
HDMI_RESET
O
HDMI reset signal output
3
XM_RESET
O
Not used. (Open)
4
XMDACMDI
O
XM D/A converter MDI signal output
5
XMDACMC
O
XM D/A converter MC signal output
6
XMDACMS
O
Not used. (Open)
7
SUB_T
O
Sub T signal output
8
HP_DETECT
I
Headphone detect signal input
9
POWER_RY
O
Power relay control signal output
10
VOL_CL
O
Volume serial clock signal output
11
VOL_DA
O
Volume serial latch signal output
12
PROTECTOR
I
Protector control signal input
13
BRIDGEABLE_RY
O
Bridgeable relay control signal output
14
FUSE_DETECT
I
Not used. (Fixed to “H” (+3.3V))
15
VOL ENCODER(B)_UP
I
Volume encoder signal input (up)
16
VOL ENCODER(A)_DOWN
I
Volume encoder signal input (down)
17
FRONT_B_RY
O
Front B speakers relay control signal output
18
VSS
—
Ground pin
19
VCC
—
Power supply pin (+3.3 V)
20
INPUT_ENCODER_A
I
Input select encoder signal input A
21
INPUT_ENCODER_B
I
Input select encoder signal input B
22
SW_RY
O
Sub woofer relay control signal output
23
HP_RY
O
Headphone relay control signal output
24
C/REAR/SB_RY
O
Center/surround speaker relay control signal output
25
FRONT_RY
O
Front speaker relay control signal output
26
TUN_DO
I
Tuner serial data signal input
27
TUN_LAT
O
Tuner serial latch signal output
28
V_MUTE
O
Video mute control signal output
29
V_COMP SW2
O
Component video select switch control signal output 2
30
V_COMP SW1
O
Component video select switch control signal output 1
31
V_SW4
O
Video input select switch control signal output 4
32
V_SW3
O
Video input select switch control signal output 3
33
V_SW2
O
Video input select switch control signal output 2
34
V_SW1
O
Video input select switch control signal output 1
35
TUNING_ENCODER_A
I
Not used. (Fixed to “L”)
36
TUNING_ENCODER_B
I
Not used. (Fixed to “L”)
37
PCM1609_RESET
O
Reset signal output for A/D and D/A converters IC
38
DIR_XMODE
O
Mode select signal for digital audio interface IC
39
DIR_CLK_SEL
O
Serial clock select signal output for digital audio interface IC
40
VSS
—
Ground pin
41
TC74HC153_A
O
Input select switch control signal output A
42
TC74HC153_B
O
Input select switch control signal output B
43
VSS
—
Ground pin
44
VCC
—
Power supply pin (+3.3 V)
45
DIR_CLK
O
Serial clock signal output for digital audio interface IC
46
DIR_CE(LAT)
O
Serial latch signal output for digital audio interface IC
47
DIR_DI
O
Serial data signal output for digital audio interface IC
48
DIR_DO
I
Serial data signal input from digital audio interface IC
DIGITAL BOARD IC1907 MB91F353APMT-G-112E1 (SYSTEM CONTROLLER)
50
STR-K995
Pin No.
Pin Name
I/O
Description
49
DIR_ERROR
I
Error signal input from digital audio interface IC
50
DIR_XSTATE
I
State signal input from digital audio interface IC
51
NMI
I
Not used. (Fixed to “H” (+3.3V))
52
MD2
I
Operation mode setting pin 2 for Flash programming
53
MD1
I
Operation mode setting pin 1 (Fixed to “L”)
54
MD0
I
Operation mode setting pin 0 (Fixed to “L”)
55
INIT
I
Reset signal input
56
VCC
—
Power supply pin (+3.3 V)
57
X1
O
High speed clock output (12.5 MHz) (Main clock)
58
X0
I
High speed clock input (12.5 MHz) (Main clock)
59
VSS
—
Ground pin
60
X0A
I
Not used. (Fixed to “L”)
61
X1A
O
Not used. (Open)
62
RESET_TRG
O
Reset trigger signal output
63
DIR_DATA0
I
Serial data signal input for digital audio interface IC
64
BST_SEL
O
Burst select signal output
65
GP9
I
GP9 address strobe signal input
66
BST
O
Burst signal output
67
HCS
O
HCS signal output
68
HACN
I
HACN signal output
69
DSP_RESET
O
Digital signal processor reset signal output
70
FL_CLK
O
Fluorescent display serial clock signal output
71
FL_DATA
O
Fluorescent display serial data signal output
72
PCM1609_ML
O
ML signal output for D/A converter IC
73
PM
O
PM signal output
74
GP12
O
GP12 address strobe signal output
75
PCM1609_MDO
I
MD signal input
76
VSS
—
Ground pin
77
VCC
—
Power supply pin (+3.3 V)
78
FL_LAT
O
Fluorescent display serial latch signal output
79
TUNER_CLK
O
Tuner serial clock signal output
80
TUNER_DATA
O
Tuner serial data signal output
81
STOP
I
Stop signal input
82
SIRCS_IN
I
Remote control receiver signal input
83
ERROR_SEL
I
Error select signal input
84
RDS CLK
I/O
XMDB power control signal output
85
POWER_KEY
I
Power key signal input
86
RDS_DATA
I
XM command signal input
87
DCAC DSP IN
I
DCAC display in signal input
88
HDMI CEC IN
I
HDMI CEC signal input
89
HDMI UART IN
I
HDMI select signal input
90
HDMI UART OUT
O
HDMI select signal output
91
HDMI_CEC_OUT
O
HDMI CEC signal output
92
XM_MIXMO
I
XM MIXMO signal input
93
XM MOXMI
O
Not used. (Fixed to “H” (+3.3V))
94
HDMI_REG_CTRL
O
HDMI REG control signal output
95
VCC
—
Power supply pin (+3.3 V)
96
VSS
—
Ground pin
97
EEPROM_DATA
I/O
EEPROM serial data signal input/output
51
STR-K995
Pin No.
Pin Name
I/O
Description
98
EEPROM_CLK
O
EEPROM serial clock signal output
99
HDOUT
I
HD signal input from digital signal processor IC
100
HDIN
O
HD signal output from digital signal processor
101
HDCLK
O
HD serial clock signal output from digital signal processor
102
FLASH2
I
Flash signal input
103
FLASH1
O
Flash signal output
104
C_LINK_DET
I
DMPORT link detect signal input
105
DA1
I
Not used. (Open)
106
DA0
I
Not used. (Open)
107
DAVS
—
Ground pin
108
DAVC
—
Power supply pin (+3.3 V)
109
AVCC
I
Analog power supply pin (+3.3 V)
110
AVRH
I
Standard power supply pin (+3.3V) for A/D converter
111
AVSS
—
Analog ground pin
112
VSS
—
Ground pin
113
DCAC_IN
I
DCAC IN signal input
114
AD_KEY1
I
AD key signal input 1
115
AD_KEY2
I
AD key signal input 2
116
VERSION
I
Not used. (Fixed to “L”)
117
TUNER_SD
I
Tuner SD signal input
118
MODEL
I
Not used. (Fixed to “L”)
119
VACS_CTRL
I
VACS control signal input
120
NO USE
I
Not used. (Fixed to “L”)
52
STR-K995
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 pin
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 pin
14 to 17
QO15 to QO12
—
Not used. (Open)
18
IOGND
—
Ground pin
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 pin
26 to 29
QO7 to QO4
—
Not used. (Open)
30
IOGND
—
Ground pin
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 pin
38
CI2CA
—
Not used. (Fixed to “L”)
39
CSDA
I/O
I
2
C two-way data bus with HDMI section.
40
CSCL
I
I
2
C clock signal input from HDMI controller.
41
DSDA
I/O
I
2
C two-way data bus with HDMI input select.
42
DSDL
I
I
2
C clock signal input from HDMI input select.
43
NC
—
Not used. (Open)
44
PWR5V
I
HDMI DVD IN, VIDEO 2/BD IN, OUT connector detect signal input
45
CVCC18
—
Power supply pin (+1.8 V)
46
PGND
—
Ground pin
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 DVD IN, VIDEO 2/BD IN, OUT connector.
51
RXC+
I
TMDS clock signal input from HDMI DVD IN, VIDEO 2/BD IN, OUT connector.
52
AGND
—
Ground pin
53
AVCC
—
Power supply pin (+3.3 V)
54
RX0–
I
TMDS data input 0 from HDMI DVD IN, VIDEO 2/BD IN, OUT connector.
55
RX0+
I
TMDS data input 0 from HDMI DVD IN, VIDEO 2/BD IN, OUT connector.
56
AGND
—
Ground pin
57
AVCC
—
Power supply pin (+3.3 V)
58
RX1–
I
TMDS data input 1 from HDMI DVD IN, VIDEO 2/BD IN, OUT connector.
59
RX1+
I
TMDS data input 1 from HDMI DVD IN, VIDEO 2/BD IN, OUT connector.
60
AGND
—
Ground pin
61
AVCC
—
Power supply pin (+3.3 V)
62
RX2–
I
TMDS data input 2 from HDMI DVD IN, VIDEO 2/BD IN, OUT connector.
63
RX2+
I
TMDS data input 2 from HDMI DVD IN, VIDEO 2/BD IN, OUT connector.
64
AGND
—
Ground pin
65
DGND
—
Ground pin
66
DVCC18
—
Power supply pin (+1.8 V)
HDMI RE BOARD IC3511 SII9011CLU (RX)
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