Schematic Diagram - Main Board (3/4) - Sony STR-DH540 Service Manual

STR-DH540
Ver. 1.2
5-21. SCHEMATIC DIAGRAM – MAIN Board (4/4) –
1 2 3
A
MAIN BOARD (4/4)
B
29
C
MAIN
31
BOARD
8
(3/4)
SW_FIL
(Page 35)
C_FIL
SR_FIL
D
30
C421
IC411 1000p
NJM4565M (TE2)
IC411
LINE AMP
C422
1000p
E
SL_FIL
R733
R734 15k
FR_FIL
F
C423
1000p
G
C424
1000p
FL-FIL
R633
R634
H
MAIN
BOARD 26
7
I 28
(3/4)
(Page 35) 27
J
K
STR-DH540
• See page 46 for IC Block Diagrams.
4 5 6 7
C310 R312 R310 R311 R313 C311
470 10V 22 22 22 22 470 10V
R534 15k
R533
R784 15k
820
C506
270p
R783
820
C756
270p
-7 0 0 0
C427
-7 0 0 0
IC413
1000p
NJM4565M (TE2)
IC413
LINE AMP
C428
1000p
0 0 0 7
C556
0 0 0 7 R583 820
270p
R584 15k
C706
820
270p
R684 15k
R683
820
C656
270p
-7 0 0 0
IC410
NJM4565M (TE2)
IC410
LINE AMP
0 0 0 7
C606
820
270p
15k
R401
SA-CD/CD IN
SAT/CATV IN
8 9 10
MAIN BOARD (1/4)
(Page 33)
4
16 18 15 19 20
C487 0.1
C489 C499
2200p 2200p
C449 C450
CL431
100p 100p
CL430
7 0 0 0 -7 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 GND
0
79 SUB1 L GND
0
78 SUB1 R SUB2L
77 GND SUB2R
0
76 ADCLOUT RECL3
0
75 ADCROUT RECR3
74 GND RECL2
0
73 FRIN RECR2
0
IC400
72 FLIN RECL1
BD3470KS2
CL427 0
71 SWIN RECR1
IC400
0
70 CIN GND
DIR FUNCTION SELECT
CL425 0
69 SRIN SBL IN2
0
68 SLIN SBR IN2
CL423 0
67 SBRIN SL IN2
0
66 SBLIN SR IN2
65 GND C IN2
CL421 0
64 INR1 SW IN2
CL420 0
63 INL1 FL IN2
62 INR2 FR IN2
61 INL2 GND
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
0 0 0 0 0 0 0 0 0 0 0 0 0 0
W002
A_GND
R403 R453 R407 R457 R408 R458
R451
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
WHT RED SUBWOOFER OUT
AUDIO L R L R
AUDIO
WHT RED
VIDEO IN
TV IN
L R
AUDIO
WHT RED
36 36
11 12 13 14
17
IC B/D TUNER_GND
C353
D352
470
10V 1SR154-400TE-25
21
22
23
C351
24
470
10V
25
26
0 NW_R_VOLIC_OUT
27
NW_L_VOLIC_OUT
0 C359
C358
28
470
470p
10V
29
30
31
32
7
33
O
34
IC351
35
KIA7807AF-RTF/P
36 IC351
37
+7V REG.
38
39
40 C301
10
50V
R315
SW
0
R301
1k
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
15 16 17
IC352
KIA7907F-RTF/P
IC352
-7V REG.
-7 -15
O I 21
G
C352 D356
1
P6SMBJ33A-5
MAIN
C350 BOARD
5
1
15 (2/4)
7
O I 22
(Page 34)
IC350
KIA7807AF-RTF/P C357
IC350 1
+7V REG.
23
24
15
I
R302
100
R304
47k