Sony STR-DA1200ES, Service Manual, Page: 25 / 125

STR-DA1200ES
25 25
STR-DA1200ES
6-4. BLOCK DIAGRAM – ANALOG AUDIO Section –
26 26
27
7.1-L
36 7.1-SL
40 7.1-SBL
32 7.1-C
11 7.1-SW
INPUT SELECTOR
IC1001
ELECTRICAL VOLUME
IC1301
4 MD/DAT OUT L
J604
J605 (1/2)
PHONO
IN
SA-CD/CD
IN
MD/TAPE
IN
J607 (1/2)
J608 (1/2)
J702 (1/2)
BUFFER
IC611
EQ AMP
IC301
BUFFER
IC613
BUFFER
IC616
BUFFER
IC617
BUFFER
IC619
BUFFER
IC621
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
17 PHONO
3 CD/SACD
40 CD/SACD
5 MD/DAT IN
38 MD/DAT IN
8 TV/SAT
35 TV/SAT
9 DVD/LD
34 DVD/LD
11 VIDEO2 IN
32 VIDEO2 IN
13 VIDEO1 IN
30 VIDEO1 IN
2 VIDEO3
41 VIDEO3
25 ATUN
28
2ND.OUT
15
COM
2ND-L SCH-L
39 28
16
COM
J605 (2/2)
J701
18 MIC
19 MULTI
MD/DAT
OUT
AUTO
CAL MIC
R-CH
(NC)
FL
INPUT SELECTOR
IC401
10 VIDEO2 OUT
J607 (2/2)
R-CH
12 VIDEO1 OUT
J608 (2/2)
BUFFER
IC644
MIC AMP
IC703
24 OUT-L 25
LINE AMP
IC1201
MIX
IC1302
33 OUT-SL
LINE AMP
IC1221
37 OUT-SBL
LINE AMP
IC1231
LINE AMP
IC2010
29 OUT-C
14 OUT-SW
LINE AMP
IC1211
LINE AMP
Q708
FR R-CH
R-CH
22 DATA
21 CLK
2
23 LAT
DATA
CLK
LAT-F
MIC
AUCOM-DATA
AUCOM-CLK
FUNC-LAT
22 DATA
21 CLK
23 LAT
DATA
CLK
LAT-F
22 DATA
21 CLK
23 LAT
DATA
CLK
D.MIX
DATA
PREVOL-LAT
VLAT
CLK
LAT-F
D.MIX
MIC
D.MIX
MIC
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: AUDIO (ANALOG)
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
TV/SAT
AUDIO
IN
VIDEO 2
AUDIO
IN
DVD
AUDIO
IN
VIDEO 1
AUDIO
IN
VIDEO 3 IN/
PORTABLE
AV IN
AUDIO
VIDEO 2
AUDIO
OUT
VIDEO 1
AUDIO
OUT
L
R
L
R
L
R
TU-L
8
SBL PREOUT
C PREOUT
W PREOUT
L PREOUT
FRONT-L
SL
SBL
C
SL PREOUT
12
11
1
9
25 D/A-L
34 D/A-SL
38 D/A-SBL
13 D/A-SW
30 D/A-C
D/A-L
D/A-SL
D/A-SBL
D/A-SW
D/A-C
MULTI
CHANNEL
INPUT
J1001
SUR
BACK
FRONT
L
R
L
R
SURROUND
L
R
J1002
CENTER
SUB
WOOFER
R-CH
R-CH
BUFFER
IC706
R-CH
20
ELECTRICAL VOLUME
IC1203
23
16 DATA
VRIN OUT
13 CLK
17 LAT
DATA
CLK
VLAT
AMP
IC1202
20
ELECTRICAL VOLUME
IC1223
23
16 DATA
VRIN OUT
13 CLK
17 LAT
DATA
CLK
VLAT
AMP
IC1222
20
ELECTRICAL VOLUME
IC1233
23
16 DATA
VRIN OUT
13 CLK
17 LAT
DATA
CLK
VLAT
AMP
IC1232
20
ELECTRICAL VOLUME
IC1213
23
16 DATA
VRIN OUT
20 23 VRIN OUT
13 CLK
17 LAT
DATA
CLK
VLAT
AMP
IC1212
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