Schematic Diagram - Main Board (3/4) - Sony STR-DN850 Service Manual

5-22. SCHEMATIC DIAGRAM – MAIN Board (3/4) –
1 2 3
A
B
MAIN BOARD (3/4)
CN1002
19P
C
TUNER__IIC/RDS 1
TUNER_DA 2
3
TUNER_CE
TUNER_CK 4
+7V 5
6
R-IN
>002S AGND 7
L-IN 8
D
DIGITAL BOARD
-7V 9
(1/9) +6V_USB 10
11
VCOM-SW2
CN2007
V-SEL-SW2 12
(Page 34)
V-SEL-SW1 13
14
VMUTE
COMP-DET 15
16
DCDC +3.3V
E
OPT-SAT 17
DGND 18
19
OPT-TV
MAIN BOARD (2/4)
30
>039S
(Page 46) 29
IC230
IC230
DIGITAL OPTICAL
F JSR1124
RECEIVER
3.3 JL263
1
VOUT
IN 2 2
GND
(TV ASSIGNABLE)
3 3.3
VCC
OPTICAL
1 3.3 JL261
VOUT
IN 1
2 JL260
GND
(SAT/CATV ASSIGNABLE)
3 3.3 JL262
VCC
G
IC231
IC231
JSR1124 DIGITAL OPTICAL
RECEIVER
H J202
3P
1 CL245
2 CL246
3 CL247
4
YEL YEL YEL
I
CN1005
14P
CL400
DAC-SBL 14
AGND 13
CL401
J
DAC-SBR 12
CL402
DAC-SR
11
>009S
AGND 10
CL403
DAC-SL 9
DIGITAL BOARD
CL404
DAC-SW 8
(1/9)
AGND 7
CL405
CN2006
DAC-C 6
(Page 34) AGND 5
CL406
K
DAC-FR 4
AGND
3
CL407
DAC-FL 1
CL408
STR-DN850
• See page 59 for IC Block Diagrams.
4 5 6
>040S
MAIN BOARD
(4/4)
(Page 48)
31 32 33 34
CL418 C547 10u 50V
CL419 C546 10u 50V
CL854
CL221
5
Q281
CL220
PMG85XP S
5
MUTE
PROTECTION
CL222 0
C284
R281 C282
0.1u
10k
0.01u
C281
Q283
0.1u R282
0 DRC5114E0L
Q282
4.7k
5 MUTE
DRC5114E0L
MUTE PROTECTION
5
PROTECTION
0
C283
0.01u
C292 10u
R250 100 CL242
C296
0.1u
C290 0.1u
CL241
5 1.5
R259 100 CL240
3 2 1
IC233
NJM41010F1
C291 0.1u
C295
IC233
1000u
CL239
6.3V
VIDEO
FB201
DRIVER
0uH
4 5 6
2 2 0
C293 C294
0.1u 0.1u
R211 75
C208 47p
R213 75
C210 47p
C221 47p
R215 75
DAC-FR
DAC-FL
DAC-SW
DAC-SBL
DAC-C
DAC-SBR
DAC-SR
DAC-SR
DAC-SL
DAC-SW
DAC-SL
DAC-C
DAC-SBR
DAC-FR
DAC-FL
DAC-SBL
7 8 9 10
>041S
>042S
TUNER1 BOARD
MAIN BOARD
CN101
(4/4)
(Page 56)
(Page 48)
CN273
9P
CL259
CL260
CL261
CL262 SW_FIL
SR_FIL
CL257
C203
47u
35V
D202
FB209
CES521
0uH
MM1839A50NRE
IC234
C257
7
1 5 1u
CONT VIN
SL_FIL
2
7
GND
3 4 5
NC VOUT
C259
1u C_FIL
IC234
+5V REG.
SBR_FIL
FR_FIL
FR_FIL
FL-FIL
C653
C655
R680
10u 50V 0.0027u
7.5k
SBL_FIL
FL-FIL
C603 C605
R630
10u 50V 0.0027u
7.5k
SW_FIL
C503 C505
R933
10u 50V 0.0027u
7.5k
C_FIL
C553 C555
R730
10u 50V 0.0027u CL417 CL416
7.5k
C431 C430
SR_FIL
1u 1u
C753 C755
R935
10u 50V 0.0027u R421 R420
7.5k
22k 22k
SL_FIL
C434
C703 C705
R936
47p
10u 50V 0.0027u
7.5k
SBR_FIL
C853
C855
R937 C432
10u 50V 0.0027u
7.5k 47p
SBL_FIL
C803 C805
R938
C433
10u 50V 0.0027u
7.5k
10u
47 47
11 12 13
>043S
MAIN BOARD (4/4)
(Page 48)
35 36
R312 R310 R311 R313
22 22 22 22
R784
R533
15k
820
C756 [SR]
R783
270p
820
-7
4 3
C427
-7 0 0
0.001u
4 3 2 1
C421
0.001u
IC411
NJM4565M(TE2)
C428
IC411
0.001u
5 6
C422
LINE AMP
0.001u 0
5 6 7 8
0 0 7
C556
R583
270p
820
C706
R733
270p
R584
820
15k
R734 [SL]
15k
R883
820
R684
15k
-7
C656 [R] 4 3
R683
C425
270p
820
0.001u
-7 0 0
C426
4 3 2 1
C423
0.001u
0.001u IC410 5 6
NJM4565M(TE2)
0
IC410
C424 LINE AMP
C806
R833
0.001u
270p
820
5 6 7 8
0 0 7
R834
15k
C606
R633
270p
820
[L]
R634
15k
CL415 CL414
IC420
NJM4565M(TE2)
IC420
C480 C481
LINE AMP
1u 1u
R423 C491 C484 R473
R470 R471
100k 0.1u 47p 100k
-7
22k 22k
5 BT L+ -7V 4
0
0
6 BT L- DM R+ 3
0
R422
0
100k
7 BT LOut BT R- 2
0 R472 C482 C483
0
+7V
100k 47p 10u
BT ROut
8 1
7
C441
0.1u
STR-DN850
14 15 16 17
R534
15k
37
C506
[SW]
270p
0 0
2 1
IC413
NJM4565M(TE2)
IC413
LINE AMP
7 8
0 7
38
[C]
39
40
R884
15k
41
C856 [SBR]
270p
0 0
2 1
IC412
NJM4565M(TE2)
IC412
LINE AMP
>044S
7 8
MAIN BOARD (4/4)
0 7
(Page 48)
42
[SBL]
43
44
45
46
47
48