Sony STR-DE497 Service Manual ▷ View online
STR-DE497
17
17
4-4. BLOCK DIAGRAM — DIGITAL SECTION —
31
+5V-2
A.5V
DSI1
SDTI1
LOUT1
LOUT 3
ROUT 3
LOUT 2
SD01
SDTO
9
18
GP8
AUDIO 24
69
KFSI0
CKOUT 13
22
BCKI2
BCK 14
29
LRCKI2
LRCK 15
28
SDI2
CS
WE
DATAO
SCKOUT
MCLKI 39
14
23
6
SDTI2
SD02 24
7
SDTI3
SD03 25
8
27
GP10 67
LRCK
LRCKO 19
5
BCK
BCKO 20
4
17
X1201
13.59MHz
X1101
12.288MHz
MCLK1 9
MCLK2 12
CSO 44
WEO 45
68 56
108,107,105 -102,99,
98,80 - 77,75 - 72
24 - 27,42 - 44,
1 - 5,18 - 21
29 - 32,35 - 38,
16-13,10 - 7
112,110,109,97 - 92,
85-82,66 - 64
6
17
2 113
36
35 33 34
32
3
2
1
6 7
4
18 19 20
5
EXLOCK
ERROR
21
22
21
99
1
95
96
97
98
94
100
38
37
36
35
47
17
3
43
42
41
8
9
10
12
13
DAC
DAC
DAC
DAC
23
24
25
AUDIO
I/F
(2/2)
INPUT
DATA
DEMODULATOR
Pa,Pb DETECTION
LOCK
DETECTION
MICROPROCESSOR
I/F
C bit DETECTION
34
59
16
30
DVD
IN
DIGITAL
(COAXIAL)
VIDEO 2
IN
(OPTICAL)
OUT
IC1104
1
SA-CD/CD
IN
(OPTICAL)
OUT
IC1105
IC1102
DIR
IC1101
J1101
2
3
WAVE
SHAPER
+5V-2
D.5V
+2.5V
VDDI
+3.3V
VDDE
+3.3V
VDD
L-IN
R-IN
FC MUTE
R-CH
L IN
HPF
AUDIO
I/F
(1/2)
CODEC
IC1501
IC1501
DSP
IC1201
SRAM
IC1202
L OUT
C OUT
SW OUT
SL OUT
PD
S.MUTE
CDT1
CCLK
CS
PD
SMUTE
CDT1
SCL
CS
CODEC
GP9
DATAO
HACN
BST
HCS
XRST
HDIN
PM
HDOUT
HCLK
GP9
HACN
BST
HCS
XRST
HDIN
PM
HDOUT
HCLK
DSP
CLK
CE
DI
DO
CKSEL1
XSTATE
CLK
CE
DI
DO
CKSEL1
93
48
XMODE
XMODE
XSTATE
DIR
5
3
4
XOUT
DIN0
DIN2
DIN1
XIN
F.MUTE
Q1601
INV.
ERROR
24 ANA/DIG
Q1602
D1601
D1101
D0-15
A0-15
D0-15
A0-15
SYSTEM
CONTROL
IC1601 (2/4)
TUNER/
AUDIO
SECTION
C
TUNER/
AUDIO
SECTION
B
TUNER/
AUDIO
SECTION
A
ADC
• Signal path
: TUNER (FM/AM)
: CD (DIGITAL)
: VIDEO (AUDIO)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 16)
(Page 16)
(Page 16)
STR-DE497
18
18
4-5. BLOCK DIAGRAM — VIDEO/DISPLAY SECTION —
12
10
5
3
1
2
4
13
88
83
61
7
14 - 29
42 - 31
82
34
33
5
6
88
90
11
8
14
62
8
63
46
60
59
54
38
9
1
2
4
SW NETWORK S131-135,151
39
SW NETWORK S100-107
40
SW NETWORK S120-125
41
SW NETWORK S110-116
RV102
MASTER
VOLUME
VOLUME
56
28
27
51
49
77
2
3
1
3
VIDEO
IN
VIDEO 1
VIDEO
OUT
MONITOR
VIDEO
OUT
VIDEO 1
VIDEO
IN
VIDEO 2
VIDEO
IN
DVD
+3.3V
(STBY)
RESET
IC1602
VOUT1
VOUT2
+5V
V3
V2
V1
X1
X0
SW2
SW3
SW1
SDA
EEPROM
VIDEO SW
SCL
POWER KEY
FLASH1
FLASH2
MD2
MD0
RSTX
-5V
IC807
IC804
+5V
REG
-5V
REG
+V
-V
J201 (2/2)
J200 (2/2)
FL101
FLUORESCENT
INDICATOR
TUBE
F1
F2
DIN
CLK
STB
SW1
SW2
3
SW3
SW4
VIDEO AMP
IC203
S2
M2
S1
M1
J201 (1/2)
J200 (1/2)
SDA
SCL
EEPROM
IC1604
X1601
16MHz
DIN
FL DRV/
LED DRV
BUFFER
IC101
CLK
FL_STB
BLUE LED
SIRCS
VOL(A)
VOL(B)
VOL(B)
A/D0
A/D1
A/D2
A/D3
5
+5V
4
1
1
2
10
9
6
3
8
3
1
FL DISPLAY
DRIVER
IC100
SEG1-16 GRID1-12
LED DRIVER
Q100
1
REMOTE
CONTROL
RECEIVER
IC102
OUT
SIRCS
SYSTEM
CONTROL
IC1601 (3/4)
CNS3
FLASH1
FLASH2
MD2
MD0
RESET
RESET
1
2
7
6
6
5
FLASH
PROGRAMMING
S152
+5V
1
2
I
/ I
D101
MULTI CHANNEL
DECODING
D102
D103
D104
D105
MUSIC
MOVIE
A.F.D.
2CH
-2
-1
-1
-2
-3
• Signal path
: VIDEO
STR-DE497
19
19
4-6. BLOCK DIAGRAM — POWER SECTION —
8
12
11
DRIVE
POWER AMP
Q701-704
CURRENT
DETECT
Q705,706
RY791
RY701
RY601
RY851
PRE DRIVER
IC701
IN 2
+VOUT2
-VOUT2
SPEAKERS
IMPEDANCE
USE 8-16Ω
R
L
FRONT A
L
SURROUND
CENTER
R
R-CH
R-CH
R-CH
FL-CH
FR-CH
SL-CH
C-CH
R-CH
SR-CH
R-CH
TUNER/
AUDIO
SECTION
D
RY901
RY801
240V
240V
220V
120V
220V
120V
0V
D804
F1
F2
-30V
+3.3V
(STBY)
+2.5V
+5V-1
-7V
+7V
TU+10V
TU+3.3V
-30V
F901
RECT
D910-913
T902
POWER
TRANSFORMER
D914
Q921
D915
D731
D734
D733
~
AC IN
OVERLOAD
DETECT
D740,Q740
1
66
6
5
DRIVE
POWER AMP
Q501-504
CURRENT
DETECT
Q505,506
-30V REG
Q801
RELAY
DRIVER
Q901
PRE DRIVER
IC501
IN+
+VOUT
-VOUT
OVERLOAD
DETECT
D540,Q540
8
12
11
DRIVE
POWER AMP
Q651-654
CURRENT
DETECT
Q655,656
PRE DRIVER
IC702
IN 2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D640,Q640
RELAY
DRIVER
Q790
RELAY
DRIVER
Q710
RELAY
DRIVER
Q610
RY501
RELAY
DRIVER
Q510
69
71
67
PROTECTOR
D721,722
Q722,723,725
25
65
48
70
OVERLOAD
DETECT AMP
7
2
IC601
Q692
Q691
+B
-B
-BB
+3.3V
REG
1
3
IC1905
BACK-UP
SWITCH
4
5
+3.3V
2
IC1901
+5V-2
+5V
REG
1
3
IC1503
+10V
REG
1
3
IC1902
-V
+V
+7V
REG
3
1
IC801
-7V
REG
2
3
IC802
+5V
REG
1
3
IC1903
+3.3V
REG
1
3
IC1904
R-CH
R-CH
R-CH
-BB +B
-BB +B
-BB +B
R-CH
R-CH
R-CH
RECT
D802
D802
RECT
D820-823
T901
POWER
TRANSFORMER
TM601
TM602(2/2)
TM602(1/2)
R
FRONT B
L
R-CH
TM603
J791
PHONES
S901
VOLTAGE
SELECTOR
HP-RY
FRONT-RY
SPK B-RY
REAR-RY
CENTER-RY
HP DETECT
HP-RY
SPK B-RY
HP DETECT
FRONT-RY
REAR-RY
CENTER-RY
HEADPHONE
RELAY
PREOUT/FRONT
RELAY
REAR RELAY
PROTECTOR
HP DETECT
POWER RELAY
17
SPK B RELAY
72
BRIDEABLE RELAY
STOP
CENTER RELAY
AEP,UK M0DEL
SYSTEM
CONTROL
IC1601 (4/4)
PRE
DRIVE
PRE
DRIVE
PRE
DRIVE
E2 MODEL
EXCEPT E2
MODEL
MODEL
EXCEPT E2
MODEL
MODEL
RELAY
DRIVER
Q851
R810
R812
R910
RELAY
DRIVER
Q809
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 16)
STR-DE497
20
20
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: CD (ANALOG)
c
: CD (DIGITAL)
• Abbreviation
SP
: Singapore model.
MY
: Malaysia model.
E2
: AC 120 V area in E model.
AUS
: Australian model.
KR
: Korea model.
TW
: Taiwan model.
for printed wiring boards:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
• Abbreviation
SP
: Singapore model.
MY
: Malaysia model.
E2
: AC 120 V area in E model.
AUS
: Australian model.
KR
: Korea model.
TW
: Taiwan model.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Ver. 1.1
• Waveforms (DIGITAL Board)
3.4Vp-p
1
IC1101
qd
(CKOUT)
1V/DIV 50nsec/DIV
12.288MHz
3.4Vp-p
2
IC1101
qf
(BCK)
1V/DIV 0.2µsec/DIV
3.07MHz
3.2Vp-p
3
IC1101
wa
(XOUT)
1V/DIV 50nsec/DIV
12.288MHz
4.4Vp-p
4
IC1501
el
(MCLKI)
1V/DIV 50nsec/DIV
12.288MHz
3.4Vp-p
5
IC1201
qs
(MCLK2)
1V/DIV 50nsec/DIV
13.59MHz
3.4Vp-p
6
IC1201
qf
(SCKOUT)
1V/DIV 50nsec/DIV
12.288MHz
2.5Vp-p
7
IC1601
id
(X1)
1V/DIV 50nsec/DIV
16MHz
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