Sony STR-DE497 Service Manual ▷ View online
13
STR-DE497
Pin No.
Pin Name
I/O
Pin Description
55
BTACT
O
Not used (Open)
56
BST
I
Boot stop signal input from SYSTEM CONTROL IC
57
MOD1
I
Operation mode signal input (L: 386fs, H: 256fs) (Fixed at H)
58
MOD0
I
Operation mode signal input (L: single chip mode, H: use prohibited) (Fixed at L)
59
EXLOCK
I
Error detection signal input from DIR IC
60
VDDI
I
Power supply pin (+2.6 V)
61
VSS
—
Ground
62, 63
A17, A16
O
Not used (Open)
64 to 66
A15 to A13
O
External memory address signal output for D/A converter IC (SRAM)
67
GP10
O
Connect to LRCKO
68
GP9
O
Decode signal output for SYSTEM CONTROL IC
69
GP8
I
Audio signal input from DIR IC
70
VDDI
I
Power supply pin (+2.6 V)
71
VSS
—
Ground
72 to 75
D15/GP7 to D12/GP4
I/O
External memory data input/output for D/A converter IC (general port)
76
VDDE
I
Power supply pin (+3.3 V)
77 to 80
D11/GP3 to D8/GP0
I/O
External memory data input/output for D/A converter IC (general port)
81
VSS
—
Ground
82
A9
O
External memory address signal output for D/A converter IC (SRAM)
83 to 85
A12 to A10
O
External memory address signal output for D/A converter IC (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 signal output for D/A converter IC (SRAM)
98, 99
D7, D6
I/O
External memory data input/output for D/A converter IC (SRAM)
100
VDDI
I
Power supply pin (+2.6 V)
101
VSS
—
Ground
102 to 105
D5 to D2
I/O
External memory data input/output for D/A converter IC (SRAM)
106
VDDE
I
Power supply pin (+3.3 V)
107, 108
D1, D0
I/O
External memory data input/output for D/A converter IC (SRAM)
109, 110
A2, A1
O
External memory address signal output for D/A converter IC (SRAM)
111
VSS
—
Ground
112
A0
O
External memory address signal output for D/A converter IC (SRAM)
113
PM
I
PLL initialization signal input from SYSTEM CONTROL IC
114, 115
SDI3, SDI4
I
Not used (Open)
116
SYNC
I
Sync/async select signal input (L: sync, H: async) (Fixed at H)
117 to 119
VSS
—
Ground
120
VDDI
I
Power supply pin (+2.6 V)
14
STR-DE497
• IC1601 MB90478PF-G-170-BND (SYSTEM CONTROL) (DIGITAL Board (2/2))
Pin No.
Pin Name
I/O
Pin Description
1
DATAO
I
Serial data line signal input from DIR IC
2
GP9
I
GP9 signal input from DSP IC
3
BST
O
Boot stop control signal output for DSP IC
4
HCS
O
Chip select signal output for DSP IC
5
HACN
I
Acknowledge signal input from DSP IC
6
XRST
O
Reset signal output for DSP IC
7
PM
O
PLL control signal output for DSP IC
8
PD
O
Power down signal output for CODEC IC
9
SMUTE
O
Soft mute signal output for CODEC IC
10
CDT1
O
Control data output for CODEC IC
11
VSS
—
Ground
12
SCL
O
Serial data clock signal output for CODEC IC
13
CS
O
Latch signal output for CODEC IC
14
DATA
O
Serial data output for VOL/TUNER IC
15
CLK
O
Clock signal output for VOL/TUNER IC
16
LATCH– VOL IC
O
Latch signal output for VOL/TUNER IC
17
SPK B RELAY
O
Speaker B relay driver control signal output
18
HDOUT
I
Serial data input from DSP IC
19
HDIN
O
Serial data output for DSP IC
20
HCLK
O
Serial data clock signal output for DSP IC
21
F.MUTE
O
Function mute control signal output
22
NC
O
Not used (Fixed at L)
23
VCC5
—
Power supply pin (+3.3 V)
24
ANA/DIG
O
Muting and error port signal output
25
HP DETECT
I
Headphone detection signal input
26
NC
—
Not used (Fixed at L)
27
FLASH2
—
Flash programming signal output 2
28
FLASH1
—
Flash programming signal output 1
29 to 32
NC
—
Not used (Fixed at L)
33
SCL
O
Clock signal output for EEPROM IC
34
SDA
I/O
Serial data input/output for EEPROM IC
35
AVCC
—
Power supply pin (+3.3 V)
36
AVRH
—
Power supply pin (+3.3 V)
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 level input (AEP, UK model only)
44
MODEL
I
Model detection signal input
45
VERSION
I
Destination detection signal input
46
BLUE LED
I
LED (MULTI CHANNEL DECODING) driver signal input
47
NC
—
Not used (Fixed at L)
48
STOP
I
AC off detection signal input
49
MOD0
—
Selection of micon operation mode
50
MOD1
—
Not used (Connect to AVCC)
51
MOD2
—
Selection of micon operation mode
52
RDS CLOCK
I
RDS data clock signal input (AEP, UK model only)
53
RDS DATA
I
RDS data input (AEP, UK model only)
54
SIRCS
I
SIRCS signal input
55
FUSE DETECT
I
Fuse open detection signal input
56
POWER KEY
I
Power key detection signal input
57, 58
NC
I
Not used (Fixed at L)
59
VOL (B)
I
Volume encoder signal input
STR-DE497
15
15
4-2. CIRCUIT BOARDS LOCATION
Pin No.
Pin Name
I/O
Pin Description
60
VOL (A)
I
Volume encoder signal input
61
DIN
O
Serial data output for FL driver IC
62
CLK
O
Clock signal output for FL driver IC
63
FL_STB
O
Latch signal output for FL driver IC
64
NC
—
Not used (Fixed at L)
65
POWER RELAY
O
Power relay driver control signal output
66
PROTECTOR
O
Protector detection signal output
67
HEADPHONE RELAY
O
Headphone relay driver control signal output
68
WOOFER RELAY
O
Sub woofer relay driver control signal output
69
REAR RELAY
O
Surround speaker relay driver control signal output
70
CENTER RELAY
O
Center speaker relay driver control signal output
71
PREOUT/FRONT RELAY
O
Speaker A relay driver control signal output
72
BRIDGEABLE RELAY
O
Bridgeable relay driver control output
73
TUNED
I
Tuned signal detection input
74
STEREO
I
Stereo signal detection input
75
MUTE
O
Tuner mute signal output
76
DO
I
Tuner serial data input
77
RSTX
I
Reset signal input
78
SLATCH
O
Tuner latch signal output
79
X0A
—
Not used (Open)
80
X1A
—
Not used (Connect to VSS)
81
VSS
—
Ground
82
X0
—
Clock signal input (16 MHz)
83
X1
—
Clock signal output (16 MHz)
84
VCC3
—
Power supply pin (+3.3 V)
85
REMOTE SELECT
—
Not used (Fixed at H)
86, 87
NC
—
Not used (Fixed at L)
88 to 90
SW3 to SW1
O
Video select signal output
91, 92
NC
—
Not used (Fixed at L)
93
XMODE
O
Xmode signal output for DIR IC
94
CKSEL1
O
Clock select signal output for DIR IC
95
CLK
O
Data clock signal output for DIR IC
96
CE
O
Latch signal output for DIR IC
97
DI
O
Data output for DIR IC
98
DO
I
Data input from DIR IC
99
ERROR
I
Error detection signal input from DIR IC
100
XSTATE
I
Xstate signal input from DIR IC
POWER board
STANDBY board
AC SELECT board
(E2 model only)
(E2 model only)
BRIDGEABLE board
VIDEO board
DIGITAL board
MAIN board
TUNING board
DISPLAY board
STR-DE497
16
16
4-3. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
4
80
60
R-CH
R-CH
R-CH
J402 (1/2)
J403
J404 (1/2)
J401
-5
L
-6
R
IN
SA-CD/CD
IN
MD/TAPE
DVD
FM 75Ω
COAXIAL
AM
ANTENNA
TU+10V
TM301
FM/AM TUNER UNIT
TU+3.3V
+10V
L CH
R CH
STEREO
TUNED
MUTE
CE
RDS SIGNAL
RDS DATA
RDS CLOCK
STEREO
TUNED
MUTE
SLATCH
DO
FM OUT
RDS DATA
RDS INT
STEREO
TUNED
MUTE
CE
CLK
DATA
TU-DO
DATA
CLK
LATCH-VOL IC
WOOFER RELAY
ST-DO/MC-DI
ST-DI/MC-DO
CLK
AEP,UK MODEL
STEREO
TUNED
MUTE
CE
TU-DO
DATA
CLK
FM SIGNAL OUT
RDS DATA
FM OUT
RDS DATA
RDS INT
RDS INT
R-CH
REC L2
58
REC L1
14
BAL L+
17
BAL R+
R-CH
INL1
2
INL2
INL3
INL4
INL5
INL6
INL7
INL9
LIN1
SLIN1
SW IN1
C IN1
78
76
R-CH
R-CH
VIDEO 2
VIDEO 1
AUDIO
IN
AUDIO
IN
74
72
68
INL10
INL8
R-CH
R-CH
MULTI
CH IN
FRONT
SURROUND
CENTER
SUB
WOOFER
10
20
43
53
52
74
73
75
78
76
14
15
16
68
24
25
23
LOUT
41
36
35
5
7
SLOUT
47
ROUT
R-CH
R-CH
42
SROUT
COUT
SWOUT
67
31
30
AVEE
SAVCC
DVDD
28
27
29
R-CH
R-CH
R-IN
L-IN
J402 (2/2)
-4
R
-3
L
OUT
MD/TAPE
VIDEO 1
J404 (2/2)
-3
L
-4
R
AUDIO
OUT
-1
L
-2
R
-1
L
-2
R
-5
L
-6
R
-3
L
-4
R
-1
L
-2
R
AUDIO
IN
-3
L
-4
R
7
MUTE
Q361,362
MUTE
Q365,366
MUTE
Q363
MUTE
Q364
RELAY
DRIVER
Q560
L OUT
C OUT
SW OUT
SL OUT
LIN2
CIN2
SWIN2
SLIN2
MCU
I/F
DATA
CLK
LATCH
DIR
FUNCTION
SELECT
IC201
RY560
Q379
INV.
FC MUTE
J405
SUB
WOOFER
AUDIO
OUT
FL-CH
FR-CH
SL-CH
SR-CH
C-CH
WOOFER
AMP
IC401
11
(0/6/12/18dB)
(0/6/12/18dB)
(0/6/12/18dB)
(0 – -99dB)
(0 – -99dB)
(0 – -99dB)
+3.3V
REG
Q471
+7V
-7V
+7V
-2
-1
TUNER
VOL IC/
TUNER
SYSTEM
CONTROL
IC1601 (1/4)
POWER
SECTION
D
DIGITAL
SECTION
A
DIGITAL
SECTION
B
DIGITAL
SECTION
C
(0/6/12/18dB)
(0 – -99dB)
ATT
0/-6/-12/-18dB
65
70
8
54
56
39
38
33
55
40
37
34
• Signal path
: TUNER (FM/AM)
: CD (ANALOG)
: VIDEO (AUDIO)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 17)
(Page 19)
(Page 17)
(Page 17)
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