DOWNLOAD Sony STR-DE1075 Service Manual ↓ Size: 8.13 MB | Pages: 81 in PDF or view online for FREE

Model
STR-DE1075
Pages
81
Size
8.13 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-de1075.pdf
Date

Sony STR-DE1075 Service Manual ▷ View online

STR-DE1075
16
16
+
+
TM501
PRE
DRIVE
DRIVE
BIAS
CIRCUIT
REG/PROTECTOR
BIAS
Q440
BOOSTER
Q402
BOOSTER
Q403
L
6
1
13 14
15
3
2
5
B+
B–
B–
POWER AMP
IC403
POWER AMP
IC603
(Page 15)
L OUT
INPUT
–VEOUT
+VEOUT
NF
PRE
DRIVE
DRIVE
BIAS
Q640
BOOSTER
Q602
BOOSTER
Q603
M
8
11
12
9
(Page 15)
C OUT
INPUT
–VEOUT
+VEOUT
PRE
DRIVE
DRIVE
BIAS
Q690
BOOSTER
Q652
BOOSTER
Q653
N
6
3
2
(Page 15)
SB OUT
INPUT
–VEOUT
+VEOUT
NF
NF
VCC VCC
VEE
PRE
DRIVE
DRIVE
BIAS
CIRCUIT
REG/PROTECTOR
BIAS
Q540
BOOSTER
Q502
BOOSTER
Q503
O
8
1
13 14
11
12
9
B+
B–
POWER AMP
IC503
EEPROM
IC1701
SYSTEM CONTROLLER
IC1703 (4/6)
(Page 15)
SL OUT
INPUT
–VEOUT
+VEOUT
NF
VCC VCC
VCC VCC
VEE
VEE
13 14
15
15
1
5
BIAS
CIRCUIT
REG/PROTECTOR
OVER LOAD
DETECTOR
IC803,
Q801, 804
AF POWER
LIMITER
Q406
CURRENT
DETECT
Q404, 405
AF POWER
LIMITER
Q606
CURRENT
DETECT
Q604, 605
AF POWER
LIMITER
Q656
CURRENT
DETECT
Q654, 655
AF POWER
LIMITER
Q506
CURRENT
DETECT
Q504, 505
MUTING
DRIVE
Q811, 812
5
99
6
100
117
5
1
118
2
3
6
10
SDA
SCL
EEPROM SDA
EEPROM SCL
AC MUTE
REAR RY
H. P IN
PROTECTOR
SP A RY
H/P RY
CENTER RY
SB RY
RELAY
DRIVE
Q823
RY806
R-CH
RELAY
DRIVE
Q808
RY802
RELAY
DRIVE
Q809
RY803
RELAY
DRIVE
Q807
RY801
D803
D802
PHONES
CENTER
SURROUND BACK
L
R
J749
+
+
TM502
+
+
R-CH
R-CH
SURROUND
L
R
BOOSTER
Q503
SWITCH
Q806
AF POWER
PROTECTOR
Q802, 803,
Q805
FRONT
SPEAKERS
IMPEDANCE
USE 4-6
–1
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: TUNER
SPEAKERS
IMPEDANCE
USE 4-6
–2
6-4.
BLOCK  DIAGRAM  – POWER AMP Section –
Ver 1.1
STR-DE1075
17
17
OUTPUT
CIRCUIT
CONTROL S  I/O SWITCH
IC751
O2-2
OUTPUT
CIRCUIT
INPUT
CIRCUIT
TV/SAT
CTRL S
STATUS IN
J754
VIDEO 1
CTRL S
OUT
J756
DVD/LD
CTRL S
OUT
J755
MONITOR
CTRL S
IN
J753
INH
BUFFER
Q752, 753
BUFFER
Q1702
REMOTE
CONTROL
RECEIVER
IC1604
I/O BUFFER
Q1701
D1701
CONTROL A1 
II
J303
Q810
S1705
SHIFT
REGISTER
PARALLEL
DATA
OUTPUT
 7, 9, 10, 12 
 15, 20 
 24
D1601 – 1605,
D1611 – 1613,
D1615 – 1619,
D1621 – 1625
LED DRIVE
IC1602
1, 70 
 37
 23
FL1601
FLUORESCENT
INDICATOR
TUBE
F1
F2
HVO25 
 HVO59
HVO24 
 HVO3  
P01 – P35
G1 – G22
FL DISPLAY DRIVE
IC1601
S1701
ON
OFF
SPEAKERS
S1681 – 1685,
S1702 – 1704
S1651 – 1658
S1661 – 1668
S1671 – 1677
S1691 – 1693,
S1801
A
B
RV1901
(JOG DIAL)
A
B
FUNCTION
RV1801
A
B
RV1802
SYSTEM CONTROLLER
IC1703 (5/6)
134
AD3
135
AD4
136
AD5
11
C. JOG
12
C. JOG
13
F. JOG
14
F. JOG
15
V. JOG
16
V. JOG
66 SIRCS
41 M STSTUS
64 MBUS DVD
65 BUS VIDEO
63 MBUS TV
111
CLK
112
DIN
113
LAT
114
CLR
62
POWER
17
SP. SW
132
AD1
133
AD2
86 A1 IN
87 A1 OUT
22
CLK
21
DATA
24
F. SW LAT
115
VOL IC LAT
39
LED CR
38
LED CE
LED CLR
LED LAT
19
CLR
18
STB
17
CLK
16
DATA
LED2
LED3
LED4
LED1
30 CLK
28 DIN
31 LAT
32 CL
FL4
FL1
FL3
FL2
FL4
FL1
FL3
FL2
11
O2-1
10
13
IN1
6
O3-1
7
O3-2
4
2
IN3
OUT1
BUFFER
Q750, 751
B
(Page 13)
DATA, CLK
R
(Page 15)
CLK, DATA, LAT
P
(Page 15)
CLK, DATA, LAT
J
(Page 14)
SCLK, SDAT, SLAT
CLK
DATA
FUNC LAT
VOL LAT
CLK
DATA
LAT
CLK
DATA
FUNC LAT
VOL LAT
CLK
DATA
LAT
CLK
DATA
LED CLK
LED DATA
57 X1
58 X2
X1701
16.5MHz
LEVEL SHIFT
IC805
LEVEL SHIFT
IC804
LEVEL SHIFT
IC1610
LEVEL SHIFT
IC1603
MASTER
VOLUME
I
 
/ 1
6-5.
BLOCK  DIAGRAM  – DISPLAY/KEY CONTROL Section –
Ver 1.1
STR-DE1075
18
18
+5V
REGULATOR
Q824
+5V
+12V
REGULATOR
IC1301
+12V
(TUNER UNIT)
D POWER
SWITCH
Q1813, 1814
+3.3V
REGULATOR
IC1302
+3.3V
(TUNER UNIT)
+5V
REGULATOR
IC1808
+5V
D/A, A/D CONVERTER
(IC1201, 1202, 1503) B+
+5V
REGULATOR
IC1801
+5V
(VIDEO)
 D POWER
SWITCH
Q1811, 1812
+5V
REGULATOR
IC1802
+5V
REGULATOR
IC1807
+3.3V
REGULATOR
IC1806
+5V
DIGTAL OPITICAL
RECEIVER/TRANSCEIVER
(IC1401 – 1404) B+
+2.6V
REGULATOR
IC1805
D+2.6V
D+3.3V
D1803
D1801
+3.3V
REGULATOR
IC1804
+5V
REGULATOR
IC1803
STBY +5V
RECT
D54 – 57
D58
D52
D53
T2
POWER
TRANSFORMER
SYSTEM
CONTROLLER
IC1703
(6/6)
AC POWER
DETECT
Q54
– 5V
REGULATOR
Q902
V POWER
SWITCH
Q904, 905
– 5V
(VIDEO)
F1
F2
FLUORESCENT INDICATOR TUBE
(FL1601)
+36V
FL DISPLAY DRIVE
(IC1601) B+
+36V
REGULATOR
Q903
RECT
D912, 913
– 15V
REGULATOR
IC802
– 15V
+15V
+15V
REGULATOR
IC801
+24V
(RELAY B+)
B+
B–
F905
F906
-2
-1
8
4
IMPEDANCE
SELECTOR
S901
T901
POWER
TRANSFORMER
MD2
MD0
SIN1
SOT1
RESET
GND
VDD
STBY +3.3V
52
MD2
54
MD0
110
SIN1
109
SOT1
42
D POWER
43
V POWER
55
RSTX
49
SUB T. PORT
60
STOP
18
POWER RY
(FOR CHECK)
CN1107
POWER AMP
(IC403, 503, 603)
MD2
MD0
SIN1
SOT1
RSTX
B+ SWITCH
Q1801, 1802
B+ SWITCH
Q1803, 1804
B+ SWITCH
Q1810
+5V
SYSTEM CONTROLLER
(IC1703) B+
RESET SIGNAL
GENERATOR
IC1702
B+ SWITCH
Q52, 53
RECT
D903 – 906
RECT
D908
F904
F903
RECT
D914
F1
RELAY
DRIVE
Q51
RY1
AC IN
F2
AC OUTLET
CNJ1
D+5V
6-6.
BLOCK  DIAGRAM  – POWER SUPPLY Section –
Ver 1.1
19
STR-DE1075
6-7.
NOTE  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC  DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
2
: nonflammable resistor.
C
: panel designation.
Note on Printed Wiring Board:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
• Indication of transistor
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
A
: B+ Line.
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER
F
: AUDIO IN (ANALOG)
c
: AUDIO IN (DIGITAL)
E
: VIDEO IN
Note:
The components identi-
fied by mark 
0
 or dotted
line with mark 
0
 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 
0
 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
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