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

STR-DN850
Ver. 1.2
5-23. SCHEMATIC DIAGRAM – MAIN Board (4/4) –
1 2 3
A
B
MAIN BOARD (4/4)
31
>040S
C
MAIN BOARD (3/4)
34
(Page 47)
32
33
D
E
37
38
39
F
40
41
42
43
44
G
>044S
MAIN BOARD (3/4)
(Page 47)
47
48
H
46
I
45
J
K
STR-DN850
• See page 59 for IC Block Diagrams.
4 5 6 7
>043S
MAIN BOARD (3/4)
(Page 47)
35 36 20 19
C487
0.1u
C489 C499
0.0022u 0.0022u
C449 C450
100p 100p
CL430
7 0 0 -7 0
GND_80
80
SUB1L
79
SUB1R
78
GND_77
0 77
ADCL
76
0
ADCR
75
GND_74
0 74
FRIN
IC421
0 73
BD3470KS2
FLIN
CL427 0 72
IC421
SWIN
71
0
CIN
DIR FUNCTION
CL425 0 70
SELECT
SRIN
0 69
SLIN
68
CL423 0
SBRIN
0 67
SBLIN
66
R985
GND_65
0
CL421 0 65
INR1
0 64
INL1
CL420 63
R986 0
INR2
0
DCAC-IN 0 62
INL2
61
0 0 0 0 0 0 0 0 0
NWR-N
R443 0
NWL-P R442 0
W002
9 8 7 6 5 4 3 2 1
AUDIO L R
SA-CD/CD IN
WHT RED
AUDIO L R
RED
VIDEO IN WHT
L R
AUDIO
WHT
RED
SAT/CATV IN
8 9 10 11
>033S
MAIN BOARD (1/4)
(Page 45)
21 17 14 15 16 18
0 0 0 0 0 0 0
C353
D352
470u
GS1G
16V
GND_21
C351
21
470u
GND_22
22 16V
SUB2L
23
SUB2R
24
C359
RECL3
470u
25
RECR3
16V
26
RECL2
27
RECR2
28
RECL1
29
RECR1
30
GND_31
31
TEST7
C301
32
10u R307
TEST8
50V
33 100k
R302
TEST9
100
34
TEST10
35
TEST11 D301
RY301
36 DA2J10100L
12V
TEST12
37
TEST13
38
TEST14
R308 0.7
39
10k
GND_40
40
R309
0
1k Q301
2PD601ART
RELAY
DRIVER
0 0 0 0 0 0 0
JW301
CC08 CC58
100p 100p
C401
0.0022u
CL348
J402
J401
9 8 7 6 5 4 3 2 1 4P
6P
AUDIO
SUBWOOFER OUT
BLK BLK
L R
AUDIO
WHT
RED TV IN
WHT
RED
48 48
12 13 14
28
IC352
KIA7907F-RTF/P
>035S
IC352
-7V REG. MAIN BOARD (2/4)
-7 -15
(Page 46)
O I 25
G
C355
C352
D356
470p 1u
P6SMB30AT3G
27
C350
C354
1u
470p
G 15
7
26
IC350
C358 C357
KIA7807AF-RTF/P
470p 1u
IC350
+7V REG.
7 G 15
IC351
KIA7807AF-RTF/P
IC351
R301
1k +7V REG.
R304
47k
+7V
TUNER_GND
CL413 MAIN BOARD (3/4)
TUNER_L/LRCK
CL412
TUNER_R/BCK
15 16 17
>042S
(Page 48)