Sony STR-DE1075 Service Manual ▷ View online
57
STR-DE1075
Pin No.
Pin Name
I/O
Description
43
V.POWER
O
Power ON/OFF control signal output terminal (video section power)
44
VSS
—
Ground terminal
45, 46
NC I
Not used (fixed at “L” )
47
ERROR
I
Error signal input from the audio DSP (IC1601)
48
NC
I
Not used (fixed at “L” )
49
SUB.T.PORT
O
Sub power transformer (T2) on/off signal output terminal
50
AUDIO SPLIT LED
O
LED drive signal output terminal Not used (open)
51
GND
—
Not used (fixed at “L” )
52
MD2
O
MD2 signal output terminal (fixed at “L” )
53
MD1
O
MD1 signal output terminal (fixed at “H” )
54
MD0
O
MD0 signal output terminal (fixed at “H” )
55
RSTX
I
System reset signal input from the reset signal generator (IC1702)
56
VCC
—
Power supply terminal (+3.3V)
57
X1
O
Main system clock output terminal (16.5MHz)
58
X0
I
Main system clock output terminal (16.5MHz)
59
VSS
—
Ground terminal
60
STOP
I
AC power check signal input terminal
61
RDS CLK
I
RDS serial data transfer clock signal input terminal Not used (fixed at “L”)
62
POWER
I
Key input terminal I/1 key (S1705) input
63
MBUS TV
I
TV (M BUS) signal input from the TV jack (J755)
64
MBUS DVD
I
DVD (M BUS) signal input terminal
65
MBUS VIDEO
I
VIDEO (M BUS) input terminal
66
SIRCS
I
Sircs signal input from the remote control receiver (IC1604) and select switch (IC751)
67
DIR ERROR
I
Error signal input from the digital audio interface receiver (IC1408)
68
VCC
—
Power supply terminal (+3.3V)
69
XSTATE
I
Clock status flag signal input from the digital audio interface receiver (IC1408)
70
DATA0
I
Audio data input from the digital audio interface receiver (IC1408)
71
XMODE
O
Reset signal output to the digital audio interface receiver (IC1408) “L”: active
72
CKSEL1
O
System clock select 1 output to the digital audio interface receiver (IC1408)
73
CLK
O
Clock signal output to the digital audio interface receiver (IC1408)
74
CE
O
Chip enable signal output to the digital audio interface receiver (IC1408)
75
DI
O
Data output to the digital audio interface receiver (IC1408)
76
DO
I
Data input from the digital audio interface receiver (IC1408)
77
VCC
—
Power supply terminal (+3.3V)
78
BST
O
Booster control signal output to the audio DSP2 (IC1601)
79
PM2
O
PLL initialize signal output to the audio DSP2 (IC1601)
80
XRST2
O
Reset signal output to the audio DSP2 (IC1601)
81
HACN2
I
Host acknowledge signal input from the audio DSP2(IC1601)
82
HCS2
O
Host chip select signal output to the audio DSP2 (IC1601)
83
GB9
I
Signal input from the audio DSP1 (IC1501)
84
BST1
O
Boot strap signal output to the audio DSP1 (IC1501)
85
HCS1
O
Host chip select signal output to the audio DSP1 (IC1501)
86
A1 IN
I
Audio bus input terminal (control A1)
87
A1 OUT
O
Audio bus output terminal (control A1)
88
HACN1
I
Host acknowledge signal input from the audio DSP1(IC1501)
89
XRST1
O
Reset signal output to the audio DSP1 (IC1501)
58
STR-DE1075
Pin No.
Pin Name
I/O
Description
90
PM1
O
PLL initialize signal output to the audio DSP1 (IC1501)
91
ADC : RST
O
Reset signal output to the A/D converter (IC1101)
92
DACINT
O
Reset signal output to the D/A converter (IC1201)
93
DA1LAT
O
Serial data latch pulse output to the D/A converter (IC1201)
94
(PG3) DACCLK
O
Serial data transfer clock signal output to the D/A converter (IC1201, 1202)
95
(PG4) DACDI
O
Serial date output to the D/A converter (IC1201, 1202)
96
(PG5) 2EXLOCK
O
Extarnal lock signal output to the audio DSP2 (IC1601)
97
VCC
—
Power supply terminal (+3.3V)
98
VSS
—
Ground terminal
99
EEPROM SDA
I/O
Two-way data bus with the EEPROM (IC1701)
100
EEPROM SCL
O
Serial data transfer clock signal output to the EEPROM (IC1701)
101
VSS
—
Ground terminal
102
HCLK
O
Host clock signal output to the audio DSP1, 2 (IC1501, 1601)
103
HDIN
O
Host serial data output to the audio DSP1, 2 (IC1501, 1601)
104
HDOUT2
I
Host serial data input from the audio DSP2 (IC1601)
105
CLK
O
OSD serial data transfer clock signal output to the select switch (IC307)
106
DATA
O
OSD serial data output to the select switch (IC307)
107
LAT
O
OSD serial data latch pulse output to the select switch (IC307)
108
DAIDO
I
Serial data input from the D/A converter (IC1201)
109
SOTI
O
UART signal output terminal Not used (fixed at “L”)
110
SIN1
I
UART signal input terminal Not used (fixed at “L”)
111
CLK
O
Serial data transfer clock signal output to the FL display driver (IC1601)
112
DIN
O
Serial data output to the FL display driver (IC1601)
113
LAT
O
Serial data latch pulse output to the FL display driver (IC1601)
114
CLR
O
Clear signal output to the FL display driver (IC1601)
115
VOL IC LAT
O
Serial data latch pulse output to the electrical volume (IC401, 501, 601, 701)
116
SYSTEM MUTE
O
System muting control signal output terminal
117
AC MUTE
O
Audio muting control signal output to the poweramp (IC403, 503, 603)
118
PROTECTOR
I
Over load detection signal input from the protect circuit “L”: protect detect
119
DA2LAT
O
Serial data latch pulse output to the A/D, D/A converter (IC1202)
120
CD DIRECT
O
CD direct relay drive signal output terminal Not used (open)
121
ANALOG DIGITAL
O
Analog/digital select signal output to the TC7WH157FU (IC1407)
“L”: analog, “H”: digital
“L”: analog, “H”: digital
122
VCC
—
Power supply terminal (+3.3V)
123
A. DIRECT
O
MULT/2CH DIRECT select signal output terminal Not used (open)
124
NC
—
Not used (open)
125
NC
—
Not used (open)
126
DAVS
—
Ground terminal (for digital)
127
DAVC
—
Power supply terminal (+3.3V) (for digital)
128
AVCC
—
Power supply terminal (+3.3V) (for analog)
129
AVRH
—
Reference voltage input (+3.3V) terminal (for analog)
130
AVRL
—
Connect to ground (for analog)
131
AVSS
—
Ground terminal (for terminal)
132
AD1
I
Key input terminal (A/D input) S1681 to 1685, S1702 to 1704 (AM, FM, FM MODE,
SHIFT, MEMORY, DISPLAY, ON SCREEN, DIMMER)
SHIFT, MEMORY, DISPLAY, ON SCREEN, DIMMER)
133
AD2
I
Key input terminal (A/D input) S1651 to 1658 (LEVEL, SURR, EQ, <, PRESET TUNING –
/+, TUNING +/–)
/+, TUNING +/–)
59
STR-DE1075
Pin No.
Pin Name
I/O
Description
134
AD3
I
Key input terminal (A/D input) S1671 to1677 (DIGITAL CONCERT HALL B,
EQUALIZER, 6.1CH DECODING, DIGITAL CONCERT HALL A, MULTI/2CH
A.DIRECT, SOUND FIELD 2CH/MODE)
EQUALIZER, 6.1CH DECODING, DIGITAL CONCERT HALL A, MULTI/2CH
A.DIRECT, SOUND FIELD 2CH/MODE)
135
AD4
I
Key input terminal (A/D input) S1661 to 1668 (CINEMA SOUND EX C/B/A, SET UP,
NAME, >, ENTER, A.F.D.)
NAME, >, ENTER, A.F.D.)
136
AD5
I
Key input terminal (A/D input) S1691 to 1693, S1801 (MODE, INPUT MODE, MUTING,
2ND ROOM)
2ND ROOM)
137
VERSION1
I
Version setting signal input terminal
138
VERSION2
I
Version setting signal input terminal
139
RDS SIGNAL
I
FM IF signal input terminal Not used (fixed at “L”)
140
VCC2
—
Power supply terminal (+3.3V)
141
BACKUP
—
Power supply terminal (+3.3V) (for back up)
142
GND
—
Ground terminal
143
OPEN
—
Not used (open)
144
VSS
—
Ground terminal
60
STR-DE1075
•
VIDEO BOARD IC307 MB90089F-G-238-BND (OSD DRIVER)
Pin No.
Pin Name
I/O
Description
1
YIN
I
Y (luminance) signal input from the Y switch (IC752)
2
CIN
I
C (color) signal input from the C switch (IC750)
3
VIN
I
Composite video signal input from the video select (IC308)
4
AVCC
—
Power supply terminal (+5V) (for analog)
5
FSCO
O
Internal color burst phase display signal output terminal Not used (open)
6
VBLK
O
Vertical blanking timing signal output terminal Not used (open)
7
VCC
—
Power supply terminal (+5V)
8
EXS
I
External clock generator circuit for color burst
(NTSC: 14.31818MHz, PAL: 17.734475MHz)
(NTSC: 14.31818MHz, PAL: 17.734475MHz)
9
XS
O
Clock signal output terminal for color burst Not used (open)
10
HSYNC
O
Horizontal synchronizing signal output terminal (for test)
11
VSYNC
O
Vertical synchronizing signal output terminal (for test)
12
EXHSYN
I
External horizontal synchronizing signal input terminal Not used (open)
13
EXVSYN
I
External vertical synchronizing signal input terminal Not used (open)
14
VSS
—
Ground terminal
15
EXD
I
Dot clock generator connecting terminal for display
16
XD
O
Dot clock generator connecting terminal for display
17
VOB
O
Blanking signal output terminal Not used (open)
18
VOC2
O
color signal output terminal Not used (open)
19
VOC1
O
color signal output terminal Not used (open)
20
VOC0
O
color signal output terminal Not used (open)
21
TEST
I
Test signal input terminal “L”: test (normally: fixed at “H”)
22
SCLK
I
Serial data transfer shift clock signal input terminal
23
SIN
I
Serial data input terminal
24
CS
I
Chip select signal input terminal “L”: active
25
VOUT
O
Composite video signal output to the video buffer (IC305)
26
COUT
O
C (color) signal output to the video buffer (IC305)
27
YOUT
O
Y (luminance) signal output to the video buffer (IC305)
28
AVSS
—
Ground terminal (for analog)
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