Sony STR-DE685 Service Manual ▷ View online
13
STR-DE685
SECTION 4
DIAGRAMS
1
VSS
—
Ground
2
XRST
I
Reset signal input
3
EXTIN
I
Not used (connected to ground)
4
FS2
I
Not used (connected to ground)
5
VDDI
I
Power supply
6
FS1
I
Not used (connected to ground)
7
PLOCK
O
Internal PLL lock signal output (Not used)
8
VSS
—
Ground
9
MCLK1
I
Clock signal input (13.5 MHz)
10
VDDI
I
Power supply
11
VSS
—
Ground
12
MCLK2
O
Clock signal output (13.5 MHz)
13
MS
I
Switching of master/slave operation L : internal clock, H : EXTIN clock is used
14
SCKOUT
O
Internal system clock signal output
15
LRCKI1
I
Not used (open)
16
VDDE
I
Power supply
17
BCKI1
I
Not used (open)
18
SDI1
I
Audio IF data input
19
LRCKO
O
Sampling clock output for digital audio serial data
20
BCKO
O
Bit clock output terminal for digital audio serial data
21
VSS
—
Ground
22
KFSIO
I/O
Audio clock signal (364fs/256fs) input/output
23 to 25
SDO1 to SDO3
O
Digital audio serial data output
26
SDO4
O
Audio IF serial output (Not used) (open)
27
SPDIF
O
Not used (open)
28
LRCKI2
I
Sampling clock input for audio serial data
29
BCKI2
I
Bit clock input terminal for audio serial data
30
SDI2
I
Digital audio data input
31
VSS
—
Ground
32
HACN
O
Acknowledge signal output for system control
33
HDIN
I
Serial data input for system control
34
HCLK
I
Clock input for system control
35
HDOUT
O
Serial data output for system control
36
HCS
I
Chip select input for system control
37
SDCLK
O
Not used (open)
38
CLKEN
O
Not used (open)
39
RAS
O
Not used (open)
40
VDDI
I
Power supply
41
VSS
—
Ground
42
CAS
O
Not used (open)
43
DQM/OE0
O
Not used (open)
44
CS0
O
External memory chip select (SRAM)
45
WE0
O
SRAM write enable output
46
VDDE
I
Power supply
47
WMD1
I
Not used (connected to “H”)
48
VSS
—
Ground
49
WIMD0
I
Not used (connected to ground)
50
PAGE2
O
Not used (open)
51
VSS
—
Ground
52
PAGE1
O
External memory page switching signal output (Not used)
53
PAGE0
O
External memory page switching signal output (Not used)
4-1. IC PIN DESCRIPTIONS
• IC1201 CXD9617R (DSP) (DIGITAL Board (1/2))
Pin No.
Pin Name
I/O
Description
14
STR-DE685
54
BOOT
I
Not used (connected to ground)
55
BTACT
O
Not used (open)
56
BST
I
Boot stop signal input
57
MOD1
I
Operation mode signal input (L : 386fs, H : 256fs)
58
MOD0
I
Operation mode signal input (L : single chip mode, H : use prohibited)
59
EXLOCK
I
Lock signal input
60
VDDI
I
Power supply
61
VSS
—
Ground
62, 63
A17, A16
O
Not used (open)
64 to 66
A15 to A13
O
External memory address output (SRAM)
67
GP10
O
LRCK0
68
GP9 (DECODE)
O
DECODE
69
GP8 (AUDIO)
I
AUDIO
70
VDDI
I
Power supply
71
VSS
—
Ground
72 to 75
D15/GP7 to D12/GP4
I/O
External memory data input/output (general port)
76
VDDE
I
Power supply
77 to 80
D11/GP3 to D8/GP0
I/O
External memory data input/output (general port)
81
VSS
—
Ground
82 to 85
A9 to A12
O
External memory address output (SRAM)
86
TDO
O
Not used (open)
87
TMS
I
Not used (open)
88
XTRST
I
Not used (open)
89
TCK
I
Not used (open)
90
TDI
I
Not used (open)
91
VSS
—
Ground
92 to 97
A8 to A3
O
External memory address output (SRAM)
98, 99
D7, D6
I/O
External memory data input/output (SRAM)
100
VDDI
I
Power supply
101
VSS
—
Ground
102 to 105
D5 to D2
I/O
External memory data input/output (SRAM)
106
VDDE
I
Power supply
107, 108
D1, D0
I/O
External memory data input/output (SRAM)
109, 110
A2, A1
O
External memory address output (SRAM)
111
VSS
—
Ground
112
A0
O
External memory address output (SRAM)
113
PM
I
PLL initialization input terminal
114, 115
SDI3, SDI4
I
Not used (open)
116
SYNC
I
Sync/async selection input (L : sync, H : async)
117 to 119
VSS
—
Ground
120
VDDI
I
Power supply
Pin No.
Pin Name
I/O
Description
15
STR-DE685
1
DATAO
I
Serial data input for DIR
2
GP9
I
Decode signal input
3
BST
O
Boot stop signal output to DSP
4
HCS
O
Chip select signal output to DSP
5
HACN
I
Acknowledge signal input for DSP
6
XRST
O
Reset signal output to DSP
7
PM
O
PLL initialization output to DSP
8
PD
O
Power down signal output to CODEC
9
SMUTE
O
Soft mute signal output to CODEC
10
CDT1
O
Control data output to CODEC
11
VSS
—
Ground
12
SCL
O
Serial data clock to CODEC
13
CS
O
Chip select signal output to CODEC
14
DATA
O
Serial data output to VOL/TUNER
15
CLK
O
Clock signal output to VOL/TUNER
16
LATCH
O
Latch signal output to VOL/TUNER
17
SPKB
O
Speaker B out control signal output
18
HDOUT
I
Serial data for DSP
19
HDIN
O
Serial data to DSP
20
HCLK
O
Clock signal output to DSP
21
F.MUTE
O
Function input mute signal output
22
AC MUTE
O
Power amp mute signal output
23
VCC5
I
Power supply
24
ANA/DIG
I
Muting and error port signal input
25
HP DETECT
I
Headphone detect signal input
26
DCS LED
O
LED (DCS) driver signal output
27
FLASH2
O
Flash programming signal output
28
SP SWITCH/FLASH1
I/O
Speaker ON/OFF signal output
29
MCH LED
O
LED (MULTI CHANNEL DECODING) driver signal output
30
MODE
O
LED (MODE) driver signal output
31
2CH
O
LED (2CH) driver signal output
32
AFD
O
LED (A.F.D.) driver signal output
33
SCL
O
Clock signal output to EEPROM
34
SDA
I/O
Serial data to EEPROM
35
AVCC
I
Power supply
36
AVRH
I
Not used (connected to “H”)
37
AVSS
—
Ground
38 to 41
A/D0 to A/D3
I
Key signal input (A/D port)
42
VSS
—
Ground
43
RDS SIGNAL
I
RDS signal input
44
MODEL
I
Model detection port
45
VERSION
I
Version resistor port
46
NC
O
Not used (connected to ground)
47
NC
O
Not used (connected to ground)
48
STOP
I
Input signal when AC off
49
MD0
—
Selection of micom operation mode
50
MD1
—
Not used (connected to ground)
51
MD2
—
Selection of micom operation mode
52
RDS CLOCK
I
RDS clock signal output (Not used)
53
RDS DATA
I
RDS data output (Not used)
54
SIRCS
I
Input data from remote control receiver
55
FUSE DETECT
I
Power down detect input
• IC1601 MB90478PF-G-120-BND (SYSTEM CONTROL) (DIGITAL Board (2/2))
Pin No.
Pin Name
I/O
Description
16
STR-DE685
Pin No.
Pin Name
I/O
Description
56
POWER KEY
I
Detect power switch key
57
JOG (B)
I
Jog encoder signal input (–)
58
JOG (A)
I
Jog encoder signal input (+)
59
VOL (B)
I
Volume encoder signal input (–)
60
VOL (A)
I
Volume encoder signal input (+)
61
DIN
O
Serial data output to FL driver
62
CLK
O
Clock signal output to FL driver
63
FL_STB
O
Strobe signal output to FL driver
64
CONTROL A1 OUT
O
Control A1 II signal output
65
CONTROL A1 IN
I
Control A1 II signal input
66
POWER RELAY
O
Control power relay driver output
67
PROTECTOR
I
Detect protector status input
68
HEADPHONE RELAY
O
Control headphone relay driver output
69
WOOFER RELAY
O
Control woofer speaker relay driver output
70
REAR RELAY
O
Control rear speaker relay driver output
71
CENTER RELAY
O
Control center speaker relay driver output
72
PREOUT/FRONT RELAY
O
Control front speaker relay driver output
73
TUNED
O
Tuned signal output to tuner
74
STEREO
O
Stereo signal output to tuner
75
MUTE
O
Mute signal output to tuner
76
DO
I
Serial data input for tuner
77
RSTX
I
Reset signal input
78
SLATCH
O
Latch signal to tuner
79
X1A
—
Not used (open)
80
X0A
—
Not used (connected to ground)
81
VSS
—
Ground
82
X0
I
Clock signal input (20 MHz)
83
X1
O
Clock signal output (20 MHz)
84
VCC3
I
Power supply
85
NC
I
Not used
86
NC
O
Not used
87 to 90
SW4 to SW1
O
Video input select signal output
91
SELECT1
O
Optical input select signal output
92
SELECT2
O
Optical input select signal output
93
XMODE
O
Mode signal output to DIR
94
CKSEL1
O
Clock select signal output to DIR
95
CLK
O
Clock signal output to DIR
96
CE
O
Chip select signal output to DIR
97
DI
O
Serial data output to DIR
98
DO
I
Serial data input for DIR
99
ERROR
I
Error signal input for DIR
100
XSTATE
I
XSTATE signal input for DIR
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