Sony STR-DE497 Service Manual ▷ View online
33
STR-DE497
4-20. IC BLOCK DIAGRAMS
IC201 M61527FP (MAIN BOARD (1/2))
MCU I/F
LATCH
DATA
CLK
AVCC
GND
SW ch
SL ch
SR ch
R ch
L ch
L ch
L ch
L ch
R ch
C ch
SR ch
SL ch
SW ch
R ch
R ch
L ch
GND
GND
GND
GND
GND
GND
R ch
SL ch VOL
SR ch VOL
R ch VOL
L ch VOL
C ch
C ch
VOL
VOL
SW ch
VOL
DVDD
AVEE
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1 INR3
INL2
INR2
INR1
CIN1
SWIN1
SRIN1
SLIN1
RIN1
GND
GND
LIN2
RIN2
CIN2
SWIN2
DGND
CLOCK
D
ATA
LA
TCH
DVDD
A
VCC
GND
SWSELOUT
SLSELOUT
CSELOUT
COUT
SWVIN
CVIN
SWOUT
SLOUT
SROUT
SRVIN
SRSELOUT
RSELOUT
RVIN
ROUT
NC
NC
NC
NC
NC
NC
LOUT
LVIN
LSELOUT
GND
RECL1
RECL2
RECL3
RECR1
RECR2
RECR3
INL10/RECL4
INR10/RECR4
A
VEE
INL9
INR9
INL8
INR8
INL7
INR7
INL6
INR6
INL5
INR5
INL4
INL3
INR4
GND
SL
VIN
SLIN2
SRIN2
GND
BALANCER L/-
BALANCER L/+
BALANCER R/-
BALANCER R/+
LIN1
GND
INL1
IC501 STK350-230 (MAIN BOARD (2/2))
IC701 µPC2581V-S (MAIN BOARD (2/2))
IC702 µPC2581V-S (MAIN BOARD (2/2))
IC702 µPC2581V-S (MAIN BOARD (2/2))
1
IN+
2
IN-
3
4
5
-VOUT
6
+VOUT
7
-B
8
GND
9
+B
PRE
GND
DRIVER
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
+VOUT1
–VOUT1
NF1
IN1
GND
IN2
NF2
–VOUT2
+VOUT2
VCC
VCC
VEE
DRIVE
34
STR-DE497
IC203 NJM2279D (VIDEO BOARD)
IC1101 LC89056W-E (DIGITAL BOARD (1/2))
13
14
CKOUT
12
A.GND
11
AVDD
4
DIN1
10
LPF
9
VIN
8
R
7
DVDD
6
D.GND
5
DIN2
2
DOUT
1
DISEL
3
DIN0
25
CSFLAG
33
BPSYNC
32
AUTO
31
DGND
30
DVDD
26 27 28 29
F3/P3/C3
F2/P2/C2
F1/P1/C1
F0/P0/C0
35
DO
36
DI
34
ERROR
BCK
15
16
LRCK
DATAO
17
XSTATE
18
19
DGND
DVDD
20
21
XMCK
XOUT
22
XIN
23
24
EMPHA
AUDIO
48
47
XMODE
CKSEL1
CKSEL1
46
45
CKSEL0
DOSEL1
DOSEL1
44 DOSEL0
43
43
42
DVDD
DGND
DGND
41
40
MODE1
MODE0
MODE0
39 XSEL
38
37
CLK
CE
INPUT
PLL
DATA
DEMODULATOR
C BIT DETECTION
Pa,Pb DETECTION
MICROPROCESSOR INTERFACE
LOCK
DETECTION
fs
CALCULATION
TIMING
X'TAL1
IC1501 AK4626VQ (DIGITAL BOARD (1/2))
1
SDOS
TMD0
CDT1
CCLK
CS
S/P
MCLKI
DZF1
A.GND
A.5V
VREFH
VCOM
2
I2C
3
S.MUTE
4
BCLK
5
LRCK
6
SDTI1
7
SDTI2
8
SDTI3
9
SDTO
10
DAUX
11
DFSO
33 DZF2
32 RIN
31 LIN
31 LIN
30 NC
29 TST5
29 TST5
28 ROUT1
ADC
AUDIO
I/F
HPF
ADC
HPF
FORMAT
CONVERTER
DATT
DAC
LPF
27 LOUT1
DATT
DAC
LPF
26 ROUT2
DATT
DAC
LPF
25 LOUT2
DATT
DAC
LPF
24 ROUT3
DATT
DAC
LPF
23 LOUT3
DATT
DAC
LPF
MCLK
SDOUT
BCLK
LRLK
SDT0
SDTI1
SDTI1
SDTI2
39
40
41
42
43
37
38
35
36
44
34
TST1
DZFE
TVDD
D.5V
D.GND
PD
TST2
CAD1
CAD0
TST3
TST4
17
16
15
14
13
19
18
21
20
12
22
14 13 12
11
10 9
8
1 2
3
4
5 6
7
AMP
-5V
S1
V3
M1
VOUT1
NC
+5V
V1
S2
V2
M2
VOUT2
GND2
GND1
AMP
35
STR-DE497
Ver. 1.1
SECTION 5
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
5-1. CASE SECTION
Ref. No.
Part No.
Description
Remark
1
4-245-939-01 CASE (BLACK)...(BLACK)
1
4-245-939-21 CASE (SILVER)...(SILVER)
1
4-245-939-41 CASE (GOLD)...(GOLD)
2
4-210-291-01 SCREW (CASE 3 TP2) (BLACK)...(BLACK)
2
4-210-291-11 SCREW (CASE 3 TP2)
(SILVER)...(SILVER,GOLD)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories are given in the last of this parts list.
R
R
• Abbreviation
SP
: Singapore model
MY : Malaysia model
E2
E2
: AC 120 V area in E model
AUS : Australian model
KR
KR
: Korea model
TW : Taiwan model
#1
#1
1
2
2
2
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
36
STR-DE497
Ver. 1.1
5-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
X-2048-859-1 FRONT PANEL ASSY (SILVER)...(SILVER)
(SP,MY,TW)
51
X-4956-123-1 FRONT PANEL ASSY (BLACK)...(BLACK)
(E2,AUS)
51
X-4956-124-1 FRONT PANEL ASSY (SILVER)...(SILVER) (E2)
51
X-4956-125-1 FRONT PANEL ASSY (GOLD)...(GOLD)
51
X-4956-126-1 FRONT PANEL ASSY (BLACK)...(BLACK)
(AEP,UK)
51
X-4956-127-1 FRONT PANEL ASSY (SILVER)...(SILVER)
(AEP,UK)
52
4-977-358-01 CUSHION
53
1-773-114-11 WIRE (FLAT TYPE) (19 CORE)
54
4-951-620-01 SCREW (2.6X8), +BVTP
55
1-861-044-11 TUNING BOARD
56
1-861-045-11 POWER BOARD
57
A-4750-402-A DISPLAY BOARD, COMPLETE
58
4-232-113-01 KNOB (VOL) (BLACK)...(BLACK)
58
4-232-113-12 KNOB (VOL) (SILVER)...(SILVER) (AEP,UK,E2)
58
4-232-113-22 KNOB (VOL) (GOLD)...(GOLD)
58
4-232-113-31 KNOB (VOL) (SILVER)...(SILVER) (SP,MY,TW)
FL101
1-518-966-11 VACUUM FLUORESCENT DISPLAY
supplied with
RV102
RV102
not supplied
(HEADPHONE board)
(HEADPHONE board)
FL101
51
52
58
54
54
54
54
54
54
54
55
56
57
53
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