Sony STR-DA2ES / STR-DB1080 Service Manual ▷ View online
13
13
STR-DA2ES/DB1080
6-1.
BLOCK DIAGRAM – TUNER/VIDEO INPUT Section –
SECTION 6
DIAGRAMS
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: TUNER
SW3, SW4
7
9
3
5
13
V3
V2. IN
TV
LD
V1. IN
10
4
14
6
2
15
1
SW2
SW3
SW1
SW4
SW5
V1.
OUT
M.
OUT
7
9
3
5
13
V3
V2. IN
TV
LD
V1. IN
10
4
14
6
2
15
1
SW2
SW3
SW1
SW4
SW5
V1.
OUT
M.
OUT
15
13
9
11
3
5
7
1
2
14
10
4
6
ANALOG
SWITCH
SERIAL
INPUT
CONTROL
D304
D303
D851
D850
X301
17.734475MHz
X302
14.31818MHz
L. P. F.
FL301
FL303
A
(Page 17)
DATA, CLK
FM
AM
8
L CH
10
R CH
13
FM SIG OUT
14
RDS-INT
15
RDS-DATA
2
ST-DO
4
CE
3
ST-DI
1
CLK
7
STEREO
11
MUTE
6
TUNED
DATA
LAT
DATA
CLK
STEREO
MUTE
TUNED
(DB1080: AEP, UK)
TU301
TUNER UNIT
28 RDS DATA
RDS SIGNAL
RDS CLK
40 TUNER LAT
19 TUNER AUTO STOP
25 TUNER STEREO
20 TUNER MUTE
139
23 TUNER DATA IN
61
SYSTEM
CONTROLLER
IC1703
(1/7)
8
YOUT
6
COUT
7
VOUT
4
CIN
2
YIN
3
VIN
VIDEO BUFFER
IC305
27
YOUT
26
COUT
25
VOUT
2
CIN
1
YIN
22
SCLK
23
SIN
24
CS
3
VIN
8
EXS
OSD DRIVER
IC307
COMPARATOR
IC306
8
1
2
9
10 3
2
12
13
6
5
4
6
5
(DA2ES/DB1080: Korean)
CLOCK
IC304 (3/3)
8
9
11
10
(EXCEPT DA2ES/DB1080: Korean)
CLOCK
IC304 (1/3)
CLK
DATA
34
LAT
P/N
105
106
107
29 VIDEO SW1
30 VIDEO SW2
31 VIDEO SW3
32 VIDEO SW4
33 VSINK
SYSTEM
CONTROLLER
IC1703
(2/7)
J298 (1/2)
VIDEO 3
INPUT
VIDEO
VIDEO
TV/SAT IN VIDEO
DVD/LD IN VIDEO
IN VIDEO
OUT VIDEO
VIDEO 2
J305
J304
VIDEO 1
IN VIDEO
OUT VIDEO
J299
J852 (2/2)
J850 (1/2)
J850 (2/2)
J852 (1/2)
C
Y
C
Y
C
Y
C
Y
C
Y
C
Y
J751
J302
VIDEO SELECTOR
IC308
Y SWITCH
IC852
C SWITCH
IC850
B
(Page 14)
TU L OUT
FM 75Ω
COAXIAL
AM
R-CH
LAT
TUNED
STEREO
MUTE
DATA
VIDEO 3
INPUT
S-VIDEO
TV/SAT
S-VIDEO IN
DVD/LD
S-VIDEO IN
VIDEO 1
S-VIDEO IN
MONITOR
S-VIDEO OUT
MONITOR
OUT VIDEO
V1. OUT
V1. IN
V2. IN
V2. OUT
TV
LD
V3
M. OUT
SW5
SW1
SW2
SW3
SW4
BUFFER
: VIDEO IN
LEVEL SHIFT
IC310 (1/2)
SYNC SEPARATOR
IC311
SYNC SEPARATOR
IC309
VIDEO 1
S-VIDEO OUT
SW3
SW4
C
(Page 17)
LEVEL SHIFT
IC310 (2/2)
CLOCK
IC304 (2/3)
L. P. F.
L. P. F.
FL302
(EXCEPT DA2ES/DB1080: Korean)
1
CT301
OSD
CT302
OSD
V SYNC BUFFER
Q305
Y SYNC BUFFER
Q304
15
16
CT303
OSD
RY390
-2
-1
VIDEO BUFFER
Q3100 – 3102
10
13
4
15
VIDEO SYNC
SEPARATOR
SEPARATOR
IC3100
Y SYNC BUFFER
Q3103 – 3107
4
1
7
16
CLOCK
GENERATOR
IC3101
X3100
7.5795MHz
VIDEO – 5V
C SYNC BUFFER
Q3108 – 3112
(DB1080)
(DA2ES)
RELAY
DRIVE
Q390 – 394
EXD
XD
ANTENNA
14
14
STR-DA2ES/DB1080
6-2.
BLOCK DIAGRAM – AUDIO DSP Section –
DIGITAL
(ASSIGNABLE)
25
SDO3
26
SDO4
SDO3
SDO4
CONTROL
DATA
CLK
LAT
14
15
16
CONTROL
CONTROL
43, 44, 51, 32, 31,
22 – 20, 52, 53, 56,
79, 57, 58, 67, 68
105, 50, 42, 41, 34,
69, 70, 59, 77, 78, 95,
86, 122, 114, 105, 106
7 – 10, 13 – 16,
29 – 32, 35 – 38
5 – 1, 44 – 42,
27 – 24, 21 – 18
S-RAM
IC1602
IC1602
6
17
CS
WE
84
85
CSO
WEO
DATA
DEMODULATOR
LOCK
DETECT
TIMING
MICON INTERFACE
CLOCK
INPUT
CIRCUOT
IC1405
J1401
J202
AUDIO OUT
L
L
L
AUDIO IN
J298 (2/2)
L
VIDEO 2
VIDEO 1
J131
PHONO IN
L
L
CD/SACD IN
J151
IN
L
L
J152 (1/2)
L
L
J201
L
L
L
J171 (2/2)
R-CH
RY171
SIGNAL-END
DEFERENTIAL
CONVERTER
DIGITAL
∑
MODULATOR
SERIAL I/O
INTERFACE
CLOCK/
TIMING CONTROL RESET
/POWER CONTROL
6
DIGITAL AUDIO INTERFACE RECEIVER
IC1408
CLK
LAT
DATA
CLK
LAT
DATA
(Page 17)
DATA, CLK, LAT, 2ND LAT
J
(Page 15)
S MUTE
H
(Page 15)
LRCKO,
BCKO,
SCKOUT
G
(Page 15)
SDO1,
SDO2,
SDO3,
SDO2,
SDO3,
SDO4
D0 – D15
A0 – A15
D16 – D31
A0 – A15
L
R
AUDIO SELECTOR
IC171
IN
OUT
TAPE
D
(Page 15)
CD IN
B
(Page 13)
TU L OUT
25
21
23
27
19
17
4
6
2
8
7
10
9
14
15
16
12
AUDIO SELECTOR
IC151
VIDEO SELECTOR
IC201
25
24
22
21
26
27
19
17
14
15
16
3
4
5
6
9
14
2
7
10
11
12
36 37 38
35
47
CKSEK1
48
CKSEL1
B
A
DI
CE
CLK
DO
XMODE
XMODE
3
DIN0
16
DATAO
34
ERROR
15
LRCK
14
BCK
13
CKOUT
17
XSTATE
20
XMCK
22
XIN
24
AUDIO
2
6
3
5
7
1
X1401
24.576MHz
OSC
IC1410
2
5
1
CLOCK SELECTOR
IC1407
D1702
D1703
HCLK
HDIN
81
HACN2
47
EEROR
82
HCS2
HDOUT2
96
2EXLOCK
79
PM2
78
BST2
80
XRST2
67
DIR ERROR
ANALOG DIGITAL
121
SYSTEM MUTE
116
104
103
102
91 ADC:RST
37 OPT A
36 OPT B
75 DI
74 CE
73 CLK
76 DO
71 XMODE
72 CKSEL1
88
HACN1
89
XRST1
46
LRCK EN
85
HCS1
35
HDOUT1
83
GB9
84
BST1
90
PM1
7
2ND AUDIO RY
70
DATA0
69
DIR XSTATE
A
B
DI
CE
CLK
DO
XMODE
CKSEL1
SYSTEM CONTROLLER
IC1703 (3/7)
A/D CONVERTER
IC1101
15
13
LRCK
16
SYSCLK
1
DOUT
LIN
6
RSTB
14
BCK
18 SDI1
15 LRCKI1
30 SDI2
PM
69
GP8
68
GP9
56
BST
36
HCS
35
HDOUT
32
HACN
2
XRST
22
KFSIO
113
AUDIO DIGITAL
SIGNAL PROCESSOR 1
IC1501
23
SDO1
24
SDO2
25
SDO3
26
SDO4
19
LCKO
20
BCKO
34
HCLK
33
HDIN
75 HCLK
74 HDIN
27 SDI1
28 SDI2
35 SDI3
39 SDI4
29 LRCKI1
38 BCKI1
76
HCS
82
HDOUT
83
HACN
GP3
EXLOCK
PM
141
BST
8
XRST
62
KFSIO
136
120
140
64
BCKO
10
SCKOUT
61
SDO2
60
SDO1
BCKO
SCKOUT
63
LRCKO
111
GP7
LRCKO
SDO2
SDO1
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: TUNER
: AUDIO IN (ANALOG)
: AUDIO IN (DIGITAL)
A
B
E
(Page 15)
2CHL
TV/SAT
AUDIO IN
DVD/LD
AUDIO IN
OUT
AUDIO IN
AUDIO OUT
VIDEO 3
INPUT
AUDIO
DIGITAL OPTICAL
RECEIVER
IC1401
DIGITAL OPTICAL
RECEIVER
IC1402
DIGITAL OPTICAL
RECEIVER
IC1403
DVD/LD
OPTICAL IN
DIGITAL OPTICAL
RECEIVER
IC289
DIGITAL
(OPTICAL)
TV/SAT
OPTICAL IN
MD/DAT
OPTICAL IN
DVD/LD
COAXIAL IN
MD/DAT
OPTICAL OUT
DIGITAL OPTICAL
TRANSCEIVER
IC1404
DIGITAL SELECTOR
IC1406
BUFFER
IC1102
17 BCKI1
29 BCKI2
28 LRCKI2
59 EXLOCK
MUTING
SWITCH
SWITCH
Q1705
COUNTER
IC1409
MUTING
SWITCH
SWITCH
Q1703
MUTING
SWITCH
SWITCH
Q1704
MD/DAT
PHONO
EQ AMP
IC131
10
LPF
FILTER
PLL
PLL LOOP
FILTER
Q1403, 1404
5
DIN2
2
DOUT
LEVEL SHIFT
CIRCUIT
10
CLK
12
LAT
11
DATA
CLK
2ND
LAT
DATA
14
IN
16
18
17
OUT
TRIM
TRIM
BUFFER
IC172
ELECTRICAL
VOLUME
IC173
RELAY
DRIVE
Q171
LINE AMP
IC174
9
MCLK1
12
MCLK2
X1501
12.866MHz
144
MCLK1
139
MCLK2
X1601
13.5MHz
AUDIO DIGITAL
SIGNAL PROCESSOR 2
IC1601
EEPROM
IC1701
5
99
6
100
SDA
SCL
EEPROM SDA
EEPROM SCL
6
2
5
1
SIGNAL
SELECTOR
IC1503
F
58
X0
57
X1
X1701
16.5MHz
(DA2ES)
2ND ROOM
OUT
VARIABLE
15
15
STR-DA2ES/DB1080
6-3.
BLOCK DIAGRAM – AUDIO CONTROL Section –
+
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
Q451
MUTING
Q651
G
(Page 14)
SDO1,
SDO2,
SDO3,
SDO4
SDO2,
SDO3,
SDO4
H
(Page 14)
LRCKO,
BCKO,
SCKOUT
BCKO,
SCKOUT
J
(Page 14)
S MUTE
TRIM
LEVEL SHIFT
CIRCUIT
CENTER
SUB WOOFER
CENTER
SURROUND BACK
MULTI CH IN 1
MULTI CH IN 2
J112
SUB WOOFER
D
(Page 14)
CD IN
RELAY
DRIVE
Q815
RY805
P
(Page 17)
DATA, CLK, LAT
Q
(Page 17)
DATA, CLK, LAT
K
(Page 16)
L OUT
LEVEL SHIFT
CIRCUIT
M
(Page 16)
SL OUT
LEVEL SHIFT
CIRCUIT
J699
J449
L
R
FRONT
L
R
SURROUND
LEVEL SHIFT
CIRCUIT
L
(Page 16)
C OUT
N
(Page 16)
SB OUT
R-CH
SR-CH
RY449
RY549
RY699
RY807
RELAY
DRIVE
Q826
J101
J111
45
46
47
41
40
DATA1
DATA2
DATA3
LRCK
BCK
LRCKO
BCKO
38
SCKI
SCKOUT
SDO1
SDO2
SDO3
SDO4
34
MDI
35
MC
36
ML
37
RST
33
MDO
ML
RST
MDO
14
12
10
9
VOUT1
VOUT3
VOUT5
VOUT6
2 DATA
1 BCK
16 SCK
15
ML
14
MC
13
MD
7
VO L
D/A
CONVERTER
IC1202
BCKO
3 LRCK
LRCKO
SCKOUT
AUDIO SELECTOR
IC111
26 5.1L
35 5.1SL
39 5.1C
31 5.1SW
27 6.1L
36 6.1SL
40 6.1C
3
6.1SB
32 6.1SW
37
COUT
24
LOUT
29
SWOUT
5
D/ASB
25
34 D/ASL
6
SBOUT
33
SLOUT
22
DATA
21
CLK
23
LAT
38 D/AC
30 D/ASW
20
VRIN
23
OUT
25
26
TRIM
13
CLK
17
LAT
16
DATA
CLK
LAT
DATA
CLK
LAT
DATA
20
VRIN
23
OUT
25
TRIM
26
TRIM
13
CLK
17
LAT
16
DATA
9
VRIN
6
OUT
4
TRIM
5
TRIM
CLK
LAT
DATA
13
CLK
17
LAT
16
DATA
CLK
LAT
DATA
20
VRIN
23
25
26
OUT
TRIM
TRIM
20
VRIN
23
OUT
25
TRIM
26
TRIM
13
CLK
17
LAT
16
DATA
CLK
LAT
DATA
93 DA1LAT
92 DACINT
108 DA1DO
95 DACDI
94 DACCLK
119 DA2 LAT
ML
RST
MDO
MDI
MCI
120
CD DIRECT
8
PRE RY
SYSTEM
CONTROLLER
IC1703 (4/7)
DATA
CLK
LAT
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: TUNER
: AUDIO IN (ANALOG)
MDI
MCI
FRONT
L
SURROUND
L
E
(Page 14)
2CHL
28 2CHL
FRONT
L
SURROUND
L
LINE AMP
IC1221
LINE AMP
IC1241
LINE AMP
IC1261 (1/2)
LINE AMP
IC1261 (2/2)
11
VOUT4
13
VOUT2
R-CH
R-CH
D/AL
LINE AMP
IC1281
2
(SW)
BUFFER
IC602 (2/2)
BUFFER
IC402
BUFFER
IC602 (1/2)
BUFFER
IC502
BUFFER
IC652 (2/2)
ELECTRICAL
VOLUME
IC401
AUDIO SELECTOR
IC751
ELECTRICAL
VOLUME
IC601
ELECTRICAL
VOLUME
IC501
ELECTRICAL
VOLUME
IC651
-2
-1
PRE OUT
PRE OUT
D/A CONVERTER
IC1201
MUTING
CONTROL
SWITCH
Q813
LINE AMP
IC652 (1/2)
LINE AMP
IC521
LINE AMP
IC621 (1/2)
LINE AMP
IC621 (2/2)
SUB WOOFER
CENTER
SURROUND
BACK
22
27
26
25
19
21
17
23
BUFFER
IC753
LINE AMP
IC421
CONTROL
14
15
16
16
16
STR-DA2ES/DB1080
6-4.
BLOCK DIAGRAM – POWER AMP Section –
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: TUNER
+
+
–
–
TM501
PRE
DRIVE
DRIVE
BIAS
CIRCUIT
BIAS
Q431
BOOSTER
Q402
BOOSTER
Q403
K
6
13 14
15
3
2
5
POWER AMP
IC403
POWER AMP
IC603
(Page 15)
L OUT
INPUT
–VEOUT
+VEOUT
NF
PRE
DRIVE
DRIVE
BIAS
Q631
BOOSTER
Q602
BOOSTER
Q603
L
8
11
12
9
(Page 15)
C OUT
INPUT
–VEOUT
+VEOUT
PRE
DRIVE
DRIVE
BIAS
Q681
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
BIAS
Q531
BOOSTER
Q502
BOOSTER
Q503
M
6
13 14
3
2
5
POWER AMP
IC503
SYSTEM CONTROLLER
IC1703 (5/7)
(Page 15)
SL OUT
INPUT
–VEOUT
+VEOUT
NF
VCC VCC
VCC VCC
VEE
VEE
13 14
15
15
5
BIAS
CIRCUIT
AF POWER
SENSOR
Q434
CURRENT
DETECT
Q432, 433
AF POWER
SENSOR
Q634
CURRENT
DETECT
Q632, 633
AF POWER
SENSOR
Q684
CURRENT
DETECT
Q682, 683
AF POWER
SENSOR
Q534
CURRENT
DETECT
Q532, 533
5
1
118
2
3
6
10
REAR RY
H. P IN
PROTECTOR
SP A RY
4
SP B RY
H/P RY
CENTER RY
SB RY
RELAY
DRIVE
Q823
RY806
R-CH
RELAY
DRIVE
Q808
RY448
RELAY
DRIVE
Q809
RY803
RELAY
DRIVE
Q807
RY801
D803
D802
PHONES
CENTER
SURROUND BACK
L
R
J849
+
+
–
–
TM449
–
–
+
+
R-CH
R-CH
SURROUND
L
R
LIMITER SWITCH
Q791.795
AF POWER
PROTECTOR
Q802, 803,
Q805
FRONT A
SPEAKERS
IMPEDANCE
USE 4-16Ω
–1
SPEAKERS
IMPEDANCE
USE 4-16Ω
–2
RELAY
DRIVE
Q444
RY444
L
R
+
+
–
–
TM444
R-CH
FRONT B
SPEAKERS
IMPEDANCE
USE 4-16Ω
B+
LIMITER SWITCH
Q790
B–
OVER LOAD
DETECTOR
IC803, Q804
(EXCEPT DB1080: E)
Click on the first or last page to see other STR-DA2ES / STR-DB1080 service manuals if exist.