Sony STR-DE475 Service Manual ▷ View online
21
STR-DE475
IC301 BU1924F-E2 (MAIN BOARD)
IC501 STK350-230 (MAIN BOARD)
ANALOG
DIGIT
AL
RCLK
NC
XO
XI
VSS2
T2
VDD2
T1
QUAL
RDA
T
VREF
MUX
VDD1
VSS1
VSS3
CMP
1
4
3
6
5
8
7
2
14
15
16
13
12 11 10
9
CLOCK
PLL 57kHz
RDS/ARI
COMPARATOR
8th SWITCHED
CAPACITOR
FILTER
ANTI-ALIASING
FILTER
BIPHASE
DECODER
PLL
1187.5Hz
DEFFERENTIAL
DECODER
TEST
1
2
3
4
5
6
7
8
9
TR3
R1
R2
TR4
TR6
TR7
R4
R9
TR5
TR1
TR2
R6
D4 D3
R7
R8
TR8
D1 D2
R5
R3
INPUT
NF
-VEOUT
+VEOUT
V
SS
GND
V
CC
SUB
IC701 uPC2581V (MAIN BOARD)
IC702 uPC2581V (MAIN BOARD)
IC702 uPC2581V (MAIN BOARD)
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
MUTE
+VOUT1
–VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
–VOUT2
+VOUT2
VCC1
VCC2
VEE
DRIVE
3-15. IC BLOCK DIAGRAMS
IC1008 AK4527 (DIGITAL BOARD)
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
FORMAT
CONVERTER
AUDIO
INTERFACE
INPUT
CIRCUIT
OUTPUT
CIRCUIT
CIRCUIT
LOOP1
LOOP0/SDA/CDTI
DIF1/SCL/CCLK
DIF0/CSN
P/SN
MCLK
DZF1
AVSS
AVDD
VREFH
VCOM
DZF2
RIN+
RIN–
LIN+
LIN–
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
DEM1
DEM0
TVDD
DVDD
DVSS
PDN
ICKS2
ICKS1
ICKS0
CAD1
CAD0
SDOS
I2C
SMUTE
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS
IC1015 NJM2279D (VIDEO BOARD)
VIN3
V-
14
SW2
13
VIN1
12
MUTE1
11
VOUT1
10
NC
9
V+
8
1
SW1
2
AMP
VIN2
3
MUTE2
4
VOUT2
5
GND2
6
GND1
7
AMP
22
STR-DE475
IC950 NJM2103D (STANDBY BOARD)
1
2
3
4
5
6
7
8
V+
VSB/SESIN
VSA
RESET
GND
OUTC
VSC
CR
VREF
+
–
–
+
–
+
–
+
Q
R
S
IC1004 LC89055W-RA8 (DIGITAL BOARD)
46
43
40
37
34
31
47
44
41
38
35
32
48
45
42
39
36
33
25
26
27
28
29
30
3
6
9
12
15
18
2
5
8
11
14
17
1
4
7
10
13
16
24
23
22
21
20
19
X'TALL
DATA
RECOVER
TIMING
PLL
INPUT
MICRO COMPUTER
INTERFACE
FS
CALCULATION
LOCK
DETECTION
Pa, Pb
DETECTION
Cbit
DETECTION
CSFLAG
F0/P0/C0
F1/P1/C1
F2/P2/C2
VF/P3/C3
DVDD
DGND
AUTO
BPSYNC
ERROR
DO
DI
CE
CL
XSEL
MODE0
MODE1
DGND
DVDD
DOSEL0
DOSEL1
CKSEL0
CKSEL1
XMODE
AUDIO
ENPHA
XIN
XOUT
XMCK
DVDD
DGND
XSTATE
DATAO
DGND
BCK
CKOUT
AGND
AVDD
LPF
VIN
R
DVDD
DGND
DIN2
DIN1
DIN0
DOUT
DISEL
23
STR-DE475
3-16.
IC PIN FUNCTION DESCRIPTION
• IC102 MB90553ABPF-G-193-BND
(SYSTEM CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
I
I
O
O
O
O
O
O
—
O
—
O
O
O
O
O
O
O
I
I
O
O
—
I
O
I
—
—
O
—
—
—
—
—
—
—
—
I
I
I
I
—
I
I
—
—
I
I
—
—
Pin Name
A
B
BLUE LED
DCS LED
AFD LED
2CH LED
MOD LED
PW RY
P30
SP_A RY
VSS
CENTER RY
WOOFER RY
REAR RY
H/P RY
FL DATA
FL CLK
FL LAT
FLASH 1
FLASH 2
YSS912 CLK
YSS912 SI
VCC
YSS912 SO
YSS912 CS
HTIB
C
P50
AC MUTING
P52
P53
P54
P55
AVCC
AVRH
AVRL
AVSS
AD KEY IN 1
AD KEY IN 2
AD KEY IN 3
AD KEY IN 4
VSS
VERSION
RDS SIGNAL
P66
P67
STOP
RDS DT
MD0
MD1
Description
Read volume encoder A changing
Read volume encoder B changing
Control Blue LED
Control DCS LED
Control AFD LED
Control 2CH LED
Control MODE LED
Control power relay
Control front speaker relay
Ground
Control center speaker relay
Control woofer relay
Control rear speaker relay
Control headphone relay
Output data signal to FL tube driver
Output clock signal to FL tube driver
Output latch signal to FL tube driver
Input FLASH 1 signal
Input FLASH 2 signal
Output clock signal to DSP
Output data signal to DSP
Power supply
Input data signal from DSP
Output chip select signal to DSP
Input HTIB signal
Power stabilizing capacitor
Control power to power amp
Analog power supply
Analog ground
Read key push signal
Read key push signal
Read key push signal
Read key push signal
Ground
Read version setting
Detect RDS signal level
Input signal when AC off
Read RDS data
Selection of micom operation mode
Selection of micom operation mode
24
STR-DE475
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
—
—
I
—
I
I
I
I
O
O
O
I
—
—
O
I
I
O
O
O
O
O
O
O
O
O
I
O
O
O
—
—
—
—
—
—
—
O
I
O
O
O
O
I
I
I
—
O
O
O
Pin Name
MD2
HSTX
RDS CLK
P73
HP SW
PW KEY IN
SIRCS
PROTECTOR
TUNER LAT
TUNER DATA OUT
TUNER CLK
TUNER DATA IN
P84
P85
TUNER MUTING
AUTO STOP
STEREO
CODEC CLK
CODEC CDT1
CODEC DFS
CODEC PD
CODEC MUTING
CODEC CS
VIDEO MUTING
S1
S2
RESET
M61501 DATA
M.CLK
M.CE
VSS
X0
X1
VCC
P00
P01
P02
SYSTEM MUTING
D.DO
DIR DI
DIR CE
DIR CLK
DIR XMODE
DIR DATAO
D.ERR
DIR XSTATE
P14
ANG/DIG
Y_CSB
Y_IC
Description
Selection of micom operation mode
Hardware standby signal
Read RDS clock
Detect headphone switch
Detect power switch key
Input data from remote control receiver
Detect protector status
Output latch signal to tuner
Output data signal to tuner
Output clock signal to tuner
Input tuner freq. data
Mute tuner during scanning
Tuner has tuned to a freq.
Tuned freq. has stereo
Output clock signal to CODEC
Output Control Data signal to CODEC
Output DFS mode signal to CODEC
Output Power Down signal to CODEC
Output Soft Muting signal to CODEC
Output CS signal to CODEC
Control Video muting
Control Video IC switching
Control Video IC switching
Detect reset signal
Output data signal to sound processor
Output clock signal to sound processor
Output chip enable signal to sound processor
Ground
For micom clock
Power supply
Control muting circuit
Input data signal from DIR
Output data signal to DIR
Output CE signal to DIR
Output clock signal to DIR
Output reset signal to DIR
Input audio data signal from DIR
Input PLL error muting from DIR
Input XSTATE data from DIR
Control muting circuit
Output CSB signal to DSP
Output IC signal to DSP
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