DOWNLOAD Sony STR-DE675 Service Manual ↓ Size: 15.03 MB | Pages: 45 in PDF or view online for FREE

Model
STR-DE675
Pages
45
Size
15.03 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-de675.pdf
Date

Sony STR-DE675 Service Manual ▷ View online

11
11
STR-DE675
– DISPLAY/POWER SECTION –
RESET
Q1604,1605
IN2
8
12
+V OUT2
POWER AMP
IC701
9
NF2
LIMITER
Q701
11
-V OUT2
LIMITER
Q702
BOOSTER
Q703
BOOSTER
Q704
CURRENT
DETECT
Q705,706
AF POWER
PROTECT
Q740
IN1
6
2
+V OUT1
5
NF1
LIMITER
Q651
3
-V OUT1
LIMITER
Q652
BOOSTER
Q653
BOOSTER
Q654
CURRENT
DETECT
Q655,656
IN+
1
6
+V OUT
POWER AMP
IC501
2
IN-
LIMITER
Q501
5
-V OUT
LIMITER
Q502
BOOSTER
Q503
BOOSTER
Q504
CURRENT
DETECT
Q505,506
D721
PROTECT
SWITCH
Q722,723,725
RELAY
DRIVE
Q790
RY791
RELAY
DRIVE
Q710
RY701
D731
RELAY
DRIVE
Q610
RY601
D733
RELAY
DRIVE
Q550
RY501
D734
IC401
5
7
RELAY
DRIVE
Q560
RY560
L
R
SR
SL
C
R-CH
R-CH
R-CH
PHONES
TM601
TM602
AUDIO
OUT
J405
67
PROTECT
68
HEADPHONE RY
72
FRONT RY
70
REAR RY
71
CENTER RY
69
WOOFER RY
LED DRIVE
Q100-105
RV102
ENCODER
3
1
VOL+
60
VOL-
59
POWER KEY
56
?/1
S138
77
RESET
47
STOP
54
SIRCS
REMOTE
CONTROL
RECEIVER
2
1
IC102
POWER
CONTROL
IC1605
5
8
3
6
+5.6V REG
Q1606
D1911
D910-913
AC
IN
T902
RY901
D915
D914
RELAY
DRIVE
Q901
D820-823
23
VCC5
84
VCC3
-5V
REG
3
2
+5V
REG
3
1
-7V
REG
3
2
+7V
REG
1
3
AUDIO
+7V
VIDEO
+5V
VIDEO
-5V
IC801
IC802
IC807
IC804
POWER RY
66
RELAY
+B
D1901-1904
T1
240V
220V
120V
0V
VOLTAGE
SELECTOR
E MODEL ONLY
S901
82
83
X0
X1
X1601
20.0MHz
FL1
FL2
L
SL
SL
C
SW
A
MUTING
1
POWER
MUTING
Q747,748
22
AC MUTING
J791
FLUORESCENT
INDICATOR TUBE
FL101
61
DIN
62
CLK
63
STB
7
DIN
8
CLK
9
STB
14 29
SEG1-16
42 31
GRID1-12
FL1
FL2
2
LEVEL LED
3
NAME LED
1
SUR LED
4
SETUP LED
LED DRIVE
IC100
D106-109
40
MULTI CH LED
32
AFD LED
31
2CH LED
30
MODE LED
25
DCS LED
FUNCTION
KEY
AD0
38
S101-107
S100-117
FUNCTION
KEY
AD1
39
FUNCTION
KEY
AD2
40
S118-125
S126
FUNCTION
KEY
AD3
41
S128-137
B
RESET
JW2003
JW2001
SYSTEM CONTROL
IC1601(3/3)
• Signal Path
• R-CH is omitted due to same as L-CH
: FM
: CD(ANALOG)
: DVD (DIGITAL)
AF POWER
PROTECT
Q640
AF POWER
PROTECT
Q540
IC601
2
1
FRONT
SURROUND
CENTER
IC601
5
7
26
HP DETECT
BUFFER
IC101
D100-105
29
EQ LED
AEP,UK, 
Argentina MODEL
RV101
ENCODER
3
1
JOG+
58
JOG-
57
35
AVCC
BUFFER
Q1603
+3.3V
REG
3
1
IC1904
AUDIO
-7V
D899
D898
+12V
REG
3
1
TUNER
+12V
IC806
T901
+3.3V REG
Q471
+3.3V
REG
3
1
IC803
TUNER
+3.3V
+3.3V
F901
JW903
JW902
US,CND,E,
TW,MX,CH
AEP,UK,MY,
SP,AR
F902
AC
OUTLET
J911
F904
D802
4
8
IMPEDANCE
SELECTOR
S902
US,CND MODEL
D811
D810
+B
-B
-B SW
Q691,692
-30V REG
Q801
FL101
-30V
POWER AMP
-B
+3.3V
REG
3
1
IC1903
+5V
T999
+2.5V
REG
3
1
IC1902
+2.5V
+3.3V
REG
3
1
IC1901
+3.3V
+5V
REG
3
1
IC1503
AUDIO
+5V
SPEAKERS
SUB
WOOFER
JOG
DIAL
MASTER
VOLUME
Ver 1.2  2003.05
12
12
STR-DE675
3-3. PRINTED WIRING BOARD – DIGITAL SECTION –
• See page 9 for Circuit Boards Location.
IC1101
IC1102
IC1103
IC1603
IC1501
IC1502
IC1552
IC1202
IC1201
IC1301
IC1601
IC1605
IC1104
IC1105
IC1107
IC1106
IC1503
IC1901
IC1904
IC1902
IC1903
OPTICAL
(Page 22)
(Page 16)
(Page 24)
(Page 20)
(Page 16)
(Page 16)
Ref. No.
Location
D1001
B-10
D1101
B-2
D1501
C-9
D1502
C-9
D1601
F-1
D1602
G-2
D1603
E-3
D1901
G-7
D1902
G-7
D1903
F-7
D1904
F-7
D1911
G-3
D1912
F-8
D1913
E-3
D1914
E-8
IC1101
C-3
IC1102
B-1
IC1103
B-4
IC1104
B-7
IC1105
B-8
IC1106
B-8
IC1107
B-9
IC1201
D-2
IC1202
C-3
IC1301
D-4
IC1501
C-2
IC1502
C-1
IC1503
D-10
IC1552
C-1
IC1601
F-2
IC1603
B-4
IC1605
G-4
IC1901
F-8
IC1902
F-8
IC1903
G-8
IC1904
F-8
Q1601
F-1
Q1602
F-1
Q1603
G-2
Q1604
G-2
Q1605
G-2
Q1606
G-7
Q1607
E-4
• Semiconductor
Location
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
13
13
STR-DE675
3-4. SCHEMATIC DIAGRAM – DIGITAL SECTION (1/3) –
3.3
2.1
2.1
2.5
3.3
2.6
2.6
4
• See page 9 for Waveform.   • See page 25 for IC Block Diagrams.
14
14
STR-DE675
3-5. SCHEMATIC DIAGRAM – DIGITAL SECTION (2/3) –
• See page 9 for Waveform.
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