Schematic Diagram - Main Board (3/7) - Sony STR-DH550 Service Manual

STR-DH550/DH750
Ver. 1.2
5-11. SCHEMATIC DIAGRAM – MAIN Board (3/7) –
1 2 3
A
MAIN BOARD (3/7)
B
CL384
HP-RY
CL385 BRIDGE-RY
BRIDGE-RY
CL386 SB-LR-RY
>009S
SB-LR-RY
CL387
SW-RY
MAIN BOARD CL389
LR-RY
CL390 C-SURR-RY
(5/7)
C-SURR-RY
C
(Page 28)
EVOL-CLK
EVOL-DATA
L-IN
D
R-IN
CL441
FR-IN
CL442
FL-IN
CL443
SW-IN
CL444
E
C-IN
CL445
>010S SR-IN
CL446
MAIN BOARD SL-IN
(5/7)
CL447
SBR-IN
(Page 28)
CL448
SBL-IN
F
AGND
+7V
CL449
TUNER-R
CL450
TUNER-L
>011S
MAIN BOARD
+7V
(4/7) DCAC
G AGND
(Page 27)
>012S
CL451
RCH-N
MAIN BOARD CL452
RCH-P
CL453
LCH-P
(7/7)
CL454
LCH-N
(Page 30)
H Q201
PMG85XP
MUTE
6
FB200 PROTECTION
0uH
CL201
6
+6V
C203
0.1u
0
R201
C201
10k 0.01u
I
0
0
>013S
CL202
VMUTE
MAIN BOARD
C202
0.01u
(5/7)
CL200
VSEL-SW
(Page 28)
J
Q200
LTC014EUBFS8TL
MUTE
PROTECTION
K
STR-DH550/DH750
• See page 43 for IC Block Diagrams.
4 5 6 7
HP-RY
SW-RY
LR-RY
R449 220
R450 220
C546 10u 50V CL392
C547 10u 50V CL391
C653 10u 50V R681 1k
C655 3300p
C603 10u 50V R631 1k C605 3300p
C503 10u 50V R531 1k C505 3300p
C553 10u 50V R581 1k C555 3300p
C753 10u 50V R781 1k C755 3300p
C703 10u 50V R731 1k C705 3300p
DH750
C853 10u 50V R881 1k C855 3300p
R831 1k
C803 10u 50V C805 3300p
C211
47u 35V
C204
0.1u
DH750
6 1.5
3 2 1
C431 C430
1u 1u
IC200 C210
NJM41010F1 1000u
6.3V
R421 R420
IC200
22k 22k
VIDEO
C434
DRIVER R205
75 47p
C491
R423
0.1u
4 5 6 100k
0 -7
2+IN VSS
IC402
5 4
2 2 0 0 0
NJM4565M (TE2) 1+IN
2-IN
0 6 3 0
C432 IC402
R422 1-IN
2OUT
47p 100k 7 2 0
7 R472
VCC 1OUT
LINE AMP
100k
8 1
C441 0.1u
C433 10u
1 2 3 4
J200 VIDEO
3P
YEL MONITOR OUT
VIDEO
YEL
VIDEO IN
VIDEO
YEL
SAT/CATV IN
8 9 10 11
>003S
MAIN BOARD (1/7)
(Page 24)
18 20 15 22 23 16 17
C487
0.1u
C489 C499
2200p 2200p
CL439 C450 100p
C449 100p CL430
7 0 0 0 -7 0 0 0 0 0 0 0 0
1 2 3 4 5 6 7 8 9 10 11 12 13
CHIP SUBL
52 14
GND SUBR
0 51 15
ADCL GND
50 16
0
ADCR GND
49 17
GND RECL
48 18
0
IC400
FRIN RECR
47 BD34701KS2 19
0
FLIN GND
IC400
0 46 20
SWIN GND
45 21
0 DIR FUNCTION SELECT 0
CIN INL8
44 22
0 0
SRIN INR8
0 43 23
0
SLIN INL7
42 24
0 0
SBRIN INR7
0 41 25
SBLIN GND
40 26
39 38 37 36 35 34 33 32 31 30 29 28 27
0 0 0 0 0 0 0 0 0 0
W002
AGND
C480 C481
1u 1u
R470 R471
R451 R401 R453 R403 R457 R407
22k 22k
1k 1k 1k 1k 1k 1k
C484
47p
R473
100k
C482 C483
47p 10u
C984
0.0022u
J401 J402
6P 4P BLK
AUDIO L R
SA-CD/CD IN WHT RED
WHT
AUDIO L R
VIDEO IN WHT RED
L R
AUDIO
SAT/CATV IN WHT RED
26 26
12 13 14
19 21
IC352
KIA7907F-RTF/P
IC352
-7V REG.
CL932
-7
OUT IN
GND
C353
D352 C355
100u
GS1G 470p
16V
C351
C354
100u
16V 470p
GND
7
OUT IN
CL933
IC350
KIA7807AF-RTF/P
IC350
+7V REG.
R301
C301
1k
10u
50V
Q301
2PD601ART
R307 RELAY DRIVER
100k
0.7
R304
47k
1 3
R936 R935 0
RY301
1k D301
1k
12V
DA2J10100L
4 5 2
R302
R308 100
47k
R309
1k
AUDIO
BLK SUBWOOFER OUT
L R
RED AUDIO
TV IN
15 16 17
-15
27
C352 D356
1u P6SMB30AT3G
C350
1u
15
28
29
>005S
MAIN BOARD
26
(2/7)
(Page 25)
31
30