Read Sony STR-DA2ES / STR-DB1080 Service Manual online
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
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