DOWNLOAD Sony STR-DA1000ES / STR-DB790 Service Manual ↓ Size: 11.06 MB | Pages: 104 in PDF or view online for FREE

Model
STR-DA1000ES STR-DB790
Pages
104
Size
11.06 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-da1000es-str-db790.pdf
Date
PREV: Sony CX-LFA700 / XR-FA700 Service Manual

Sony STR-DA1000ES / STR-DB790 Service Manual ▷ View online

STR-DA1000ES/DB790
21
21
6-3.
BLOCK  DIAGRAM  – AUDIO CONTROL Section –
BUFFER
IC602 (2/2)
+
MODE CONTROL
INTERFACE
SERIAL INPUT
INTERFACE
MULT-FUNCTION
X8 OVER SAMPLING
DIGITAL FILTER
D/A
CONVERTER
LPF
AMP
LPF
AMP
LPF
AMP
LPF
AMP
MUTING
Q701
MUTING
Q601
MUTING
Q501
MUTING
Q401
MUTING
Q701
E
(Page 20)
SDO1,
SDO2,
SDO3,
SDO4
F
(Page 20)
BCKO,
LRCKO
G
(Page 20)
S MUTE
TRIM
LEVEL SHIFT
CIRCUIT
CENTER
SUB WOOFER
Q
(Page 23)
DATA, CLK, LAT
(Page 23)
DATA, CLK, LAT
J
(Page 22)
FL
LEVEL SHIFT
CIRCUIT
L
(Page 22)
SL
M
(Page 22)
SBL
N
(Page 22)
SB (R)
R
(Page 22)
SW
LEVEL SHIFT
CIRCUIT
K
(Page 22)
C
J101
45
46
47
40
41
DATA1
DATA2
DATA3
BCK
LRCK
BCKO
LRCKO
SCKI
SDO1
SDO2
SDO3
SDO4
SDO2
SDO4
34
MDI
35
MC
36
ML
37
RST
33
MDO
ML
RST
MDO
14
10
12
11
VOUT1
VOUT5
VOUT3
VOUT4
2 DATA
3 LRK
16 SCK
15
ML
14
MC
13
MD
7
VO L
D/A
CONVERTER
IC1502
LRCKO
1 BCK
BCKO
AUDIO SELECTOR
IC101
9
5.1FL
12 5.1SL
28 5.1 C
15 5.1SW
2
PHONO
3
MD IN
4
MD OUT
5
CD
24
COUT
11
FLOUT
19
SWOUT
10
13 D/ASL
14
SLOUT
22
DATA
21
CLK
23
LAT
26 D/A C
17 D/ASW
17
VRIN
20
OUT
22
21
TRIM
12
CLK
14
LAT
13
DATA
CLK
LAT
DATA
CLK
LAT
DATA
17
VRIN
20
OUT
22
TRIM
21
TRIM
12
CLK
14
LAT
13
DATA
8
VRIN
5
OUT
3
TRIM
4
TRIM
CLK
LAT
DATA
12
CLK
14
LAT
13
DATA
CLK
LAT
DATA
17
VRIN
20
22
21
OUT
TRIM
TRIM
10 DATA OUT
12 LAT
8 RST
13 DATA IN 
9 CLK
17 PCM1748 LAT
69 GROUPING SW
MDO
ML
RST
MDI
MCI
71
SW RELAY
SYSTEM CONTROLLER
IC1601 (3/6)
DATA
CLK
LAT
MDI
MCI
FRONT
L
SURR
L
B
(Page 19)
TUNER-L
H
(Page 20)
SCLKO
6
TUNER
D
(Page 20)
SOURCE-L
7
A/D, V
8
2CH
LINE AMP
IC1521
LINE AMP
IC1561
LINE AMP
IC1541 (1/2)
LINE AMP
IC1541 (2/2)
9
VOUT6
13
VOUT2
R-CH
R-CH
D/AFL
LINE AMP
IC1581 (2/2)
MUTING
Q651
8
VO R
LINE AMP
IC1581 (1/2)
BUFFER
IC602 (1/2)
BUFFER
IC502
ELECTRICAL
VOLUME
IC401
AUDIO SELECTOR
IC173
ELECTRICAL
VOLUME
IC601
BUFFER
IC652 (2/2)
LEVEL SHIFT
CIRCUIT
17
VRIN
20
OUT
22
TRIM
21
TRIM
12
CLK
14
LAT
13
DATA
8
VRIN
5
OUT
3
TRIM
4
TRIM
CLK
LAT
DATA
BUFFER
IC652 (1/2)
ELECTRICAL
VOLUME
IC651
ELECTRICAL
VOLUME
IC501
D/A CONVERTER
IC1501
LINE AMP
IC112
LINE AMP
IC111 (1/2)
LINE AMP
IC111 (2/2)
22
27
26
25
19
21
17
23
BUFFER
IC171
LINE AMP
IC110
CONTROL
14
15
16
6
2
5
DATA
SELECTOR
IC1504
1
(DB790)
(DA1000ES)
38
J151
PHONO IN
L
L
CD/SACD IN
J131
MD/TAPE IN
L
L
MD/TAPE OUT
PHONO
EQ AMP
IC131
BUFFER
IC402
J203
SUB WOOFER
RY807
P
RELAY
DRIVE
Q826
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: TUNER
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
MUTING
CONTROL SWITCH
Q813
(DA1000ES)
(DA1000ES)
ANALOG
MULTI CH IN
ANALOG
STR-DA1000ES/DB790
22
22
6-4.
BLOCK  DIAGRAM  – AUDIO AMP Section –
: AUDIO (ANALOG)
TM449 (2/2)
+
+
–
–
TM444
BIAS
Q431
BOOSTER
Q402
BOOSTER
Q403
J
(Page 21)
FL
SYSTEM CONTROLLER
IC1601(4/6)
CURRENT
DETECT
Q432, 433
CURRENT
DETECT
Q632, 633
CURRENT
DETECT
Q732, 733
70
55
43
72
68
29
67
REAR RELAY
HP DETECT
DETECT
FRONT RELAY
30
SPB RY
HEADPHONE RELAY
C/SB RY
PROTECTOR
RELAY
DRIVE
Q823
RY806
R-CH
RELAY
DRIVE
Q809
RY449
RELAY
DRIVE
Q811
RY699
RELAY
DRIVE
Q807
RY549
D820
D818
PHONES
CENTER
L
R
J1086
+
+
–
–
TM699
–
–
+
+
R-CH
R-CH
SURR
L
R
SURR
BACK
L
R
RY649
D812
D818
D816
AF POWER
PROTECTOR
Q802, 803,
Q805
–1
RELAY
DRIVE
Q808
RY444
L
R
+
+
–
–
TM449 (1/2)
R-CH
FRONT A
FRONT B
RV431
BIAS
PRE DRIVE
Q2001, 2003
BIAS
Q2004, 2005
BIAS
Q2006
BIAS
Q531
BOOSTER
Q502
BOOSTER
Q503
L
(Page 21)
SL
RV531
BIAS
PRE DRIVE
Q2401, 2403
BIAS
Q2404, 2405
BIAS
Q2406
BIAS
Q631
BOOSTER
Q602
BOOSTER
Q603
K
(Page 21)
C
RV631
BIAS
PRE DRIVE
Q2201, 2203
BIAS
Q2204, 2205
BIAS
Q2206
BIAS
Q731
BOOSTER
Q702
BOOSTER
Q703
M
(Page 21)
SBL
RV731
BIAS
PRE DRIVE
Q2701, 2703
BIAS
Q2704, 2705
BIAS
Q2706
+
–
–2
BIAS
Q681
BOOSTER
Q652
BOOSTER
Q653
N
(Page 21)
SB (R)
RV681
BIAS
PRE DRIVE
Q2301, 2603
BIAS
Q2304, 2605
BIAS
Q2306
D411
D611
D711
CURRENT
DETECT
Q682, 683
D661
D511
(DB790)
(DA1000ES)
(DA1000ES)
R
(Page 21)
SW
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
CURRENT
DETECT
Q532, 533
CENTER
SURROUND
BACK
(DA1000ES)
(DB790)
SPEAKERS
+
OVER VOLTAGE
DETECT
Q822
B+
STR-DA1000ES/DB790
23
23
6-5.
BLOCK  DIAGRAM  – DISPLAY/KEY CONTROL Section –
REMOTE
CONTROL
RECEIVER
IC1051
I/O BUFFER
Q1607
D1603
CONTROL A1
II
J1102
Q810
S1050
S1057
42 – 31
FL1603
FLUORESCENT
INDICATOR
TUBE
F1
F2
SEG1 – SEG16
GRID1 – GRID12 
S1041 – 1047
S1051 – 1054,
S1056, 1065
SYSTEM CONTROLLER
IC1601 (5/6)
39
A/D1
54 SIRCS
61
DIN
62
CLK
63
FL STB
56
POWER KEY
38
A/D0
65 A1 IN
14 DATA
15 CLK
16 LATCH
46 FUN LAT SW
64 A1 OUT
7
DIN
8
CLK
9
STB
A
(Page 19)
DATA, CLK
Q
(Page 21)
DATA, CLK, LAT
P
(Page 21)
DATA, CLK, LAT
C
(Page 20)
DATA, CLK, LAT
DATA
CLK
LAT
DATA
CLK
LAT
DATA
CLK
LEVEL SHIFT
IC1006
I
 
/ 1
28
SP SWITCH/
FLASH1
SPEAKERS
89
VOL ENCODER A
90
VOL ENCODER B
87
+/– ENCODER A
88
+/– ENCODER B
44
MENU ENCODER A
45
MENU ENCODER B
MASTER
VOLUME
INPUT
SELECTOR
ROTARY
ENCODER
RV1051
ROTARY
ENCODER
RV1052
MENU
–/+
86
FUNC (A)
85
FUNC (B)
ROTARY
ENCODER
RV1061
ROTARY
ENCODER
RV1060
FLUORESCENT INDICATOR TUBE DRIVER
IC1001
9
10
2
1
13
12
8
3
11
LEVEL SHIFT
IC804
9
10
2
1
13
12
5
4
8
3
11
6
LEVEL SHIFT
IC805
14 – 29
D1031
MULTI CHANNEL DECODING
D+5V
2
LED2
1
LED1
LED DRIVE
Q1032
DIMMER
CONTROL SWITCH
Q1031
D+5V
STR-DA1000ES/DB790
24
24
6-6.
BLOCK  DIAGRAM  – POWER SUPPLY Section –
+5V
REGULATOR
Q824
+5V
+10V
REGULATOR
IC1902
TUNER +10V
+3.3V
REGULATOR
IC1905
TUNER +3.3V
+5V
REGULATOR
IC1403
A+5V
+5V
REGULATOR
IC952
V+5V
+3.3V
REGULATOR
IC1903
+3.3V/+2.5V
REGULATOR
IC1901
+3.3V
D+3.3V
+3.3V
REGULATOR
IC1904
RECT
D54 – 57
D52
D53
T2
SUB POWER
TRANSFORMER
SYSTEM CONTROLLER
IC1601 (6/6)
AC POWER
DETECT
Q54
–5V
REGULATOR
IC951
V–5V
F1
F2
FLUORESCENT
INDICATOR TUBE
(FL1603)
–28V
BIAS
B–
BIAS
B+
– 15V
+15V
+15V
REGULATOR
IC955
-2
-1
8
Ω
4
Ω
IMPEDANCE
SELECTOR
S901
T901
MAIN POWER
TRANSFORMER
24
D-POWER
47
LIMITTER
26
V-POWER
77
RSTX
48
STOP
66
POWER RELAY
B+ SWITCH
Q956, 957
STBY +3.3V
RESET SIGNAL
GENERATOR
IC1602
+5V
REGULATOR
IC953
RECT
D908
F904
F903
RECT
D914
F1
RELAY
DRIVE
Q51
RY1
(AC IN)
(DB790: TW)
(DA1000ES/DB790: SP, MY)
(DA1000ES/DB790: SP, MY, TW)
AC OUTLET
CNJ1
B+ SWITCH
Q958, 959
(DB790: AEP, UK)
(DB790)
F2
• Abbrivation
  MY : Malaysia model
  SP  : Singapore model
  TW : Taiwan model
D909
B– SWITCH
Q953 – 955
B+ SWITCH
Q52, 53, 55
+2.5V
D+5V
–28V
REGULATOR
Q903
RECT
D912, 913,
915, 916
LIMITER SWITCH
Q2601, 2603
THERMAL DETECT
Q960 – 962
THP901
LIMITER SWITCH
Q2602
B–
+24V (RY)
B+
– 15V
REGULATOR
IC954
RECT
D903 – 906
Ver 1.3
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