Schematic Diagram - Main Board (4/4) - Sony STR-DN840 Service Manual

5-22. SCHEMATIC DIAGRAM – MAIN Board (4/4) –
1 2 3
A
MAIN BOARD (4/4)
B
38
MAIN
40
BOARD
8
C
(3/4)
SW_FIL
(Page 40)
C_FIL
SR_FIL
39
D
IC411
NJM4565M-D
IC411
LINE AMP
E SL_FIL
FR_FIL
F
IC410
NJM4565M-D
IC410
LINE AMP
G
FL-FIL
SBR_FIL
SBL_FIL
H
31
37
MAIN
BOARD
32
7
I
(3/4)
33
(Page 40)
34
35
36
C430 C434
R420 R423
1
47p 100k
22k
C441
J
R421
C431
C432 R422
22k
1
47p 100k
C433
10
K
STR-DN840
• See page 51 for IC Block Diagrams.
4 5 6
C310 R312 R310 R311 R313 C311
470 10V 22 22 22 22
470 10V
R534 15k
R784 15k R533
820
C506
R783
820 270p
C756
270p -7 0 0 0
C427
-7 0 0 0
IC413
1000p
NJM4565M-D
C421
IC413
1000p
LINE AMP
C428
1000p
C422
0 0 0 7
1000p
C556
0 0 0 7 R583 820
270p
R584 1.5k
R733 820 C706
270p
R734 15k
R684 1.5k
R683
820
C656
270p R884 15k
R883
-7 0 0 0
820
C856
C423 270p
1000p
-7 0 0 0
C425
IC412
1000p
C424
NJM4565M-D
1000p
IC412
0 0 0 7
LINE AMP
C426
1000p
C606
R633 820
270p
0 0 0 7
R634 1.5k
C806
R833 820
270p
R834 15k
IC420
NJM4565M-D
C484 R473
C491
47p 100k
0.1
-7
5 BT L+ -7V 4
C480
R470
0.1
1
22k
0 0
6 BT L- DM R+ 3
0 0
7 BT LOut BT R- 2
R472 C482 R471
C481
7 0
100k 47p 22k
1
8 +7V BT ROut 1
C483 10
IC420
US, CND
LINE AMP
7 8 9 10
MAIN BOARD (1/4)
(Page 38)
4
20 22 17 23 24 18
C487 0.1
C489 C499
2200p 2200p
C449 C450
CL431
100p 100p
CL430
7 0 0 0 -7 0 0 0 0 0 0 0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
80 GND
0
79 SUB1 L
0
78 SUB1 R
77 GND
0
76 ADCLOUT
0
75 ADCROUT
74 GND
0
73 FRIN
0
IC400
72 FLIN
BD3470KS2
CL427 0
71 SWIN
IC400
0
70 CIN
DIR FUNCTION SELECT
CL425 0
69 SRIN
0
68 SLIN
CL423 0
67 SBRIN
0
66 SBLIN
65 GND
CL421 0
64 INR1
CL420 0
63 INL1
62 INR2
61 INL2
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42
IC B/D
0 0 0 0 0 0 0 0 0 0 0 0 0 0
W002
A_GND
R403 R453 R407 R457 R408 R458
R640 R641
1k 1k 1k 1k 1k 1k
1k 1k
CC01 CC51 CC03 CC53 CC07 CC57 CC08 CC58
100p 100p 100p 100p 100p 100p 100p 100p
J401
6P
AUDIO
AUDIO L R
SUBWOOFER OUT
WHT RED
SA-CD/CD IN
AUDIO L R L R
AUDIO
WHT RED
VIDEO IN
TV IN
L R
AUDIO
WHT RED
SAT/CATV IN
41 41
11 12 13
19 21
TUNER_GND
0
C353
D352
470
1SR154-400TE-25
16V
GND 21
GND 22
SUB2L 23
C351
SUB2R 24
470
16V
RECL3 25
RECR3 26
NW_L_VOLIC_OUT
0
RECL2 27
0 NW_R_VOLIC_OUT C359
C358
RECR2 28
470
470p
16V
RECL1 29
RECR1 30
GND 31
SBL IN2 32
SBR IN2 33
SL IN2 34
SR IN2 35
C IN2 36
SW IN2 37
FL IN2 38
FR IN2 39
GND 40
C301
10
50V
41
JS315 SW
R307
100k
Q301
2PD601ART
D301 RELAY DRIVER
RY301
DA2J10100L
0.7
R308
47k
0
R309
1k
CL348
J402
4P
BLK BLK
WHT RED
WHT RED
STR-DN840
14 15 16 17
IC352
KIA7907F-RTF/P
IC352
-7V REG.
-7 -15
O I 26
G
C352
D356
1 P6SMBJ33A-5
C350
1
15
7
27
IC350
KIA7807AF-RTF/P
C357
IC350 1
+7V REG.
28
7 15
IC351
KIA7807AF-RTF/P
IC351
+7V REG.
MAIN
BOARD
5
(2/4)
(Page 39)
R301
1k
R302
100
R304
47k
25
29