STR-DH550/DH750
STR-DH550/DH750
26
26
5-11. SCHEMATIC DIAGRAM – MAIN Board (3/7) –
• See page 43 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MAIN BOARD (3/7)
15
16 17
18
19
20
28
27
29
31
30
21
22 23
26
0
0
0
0
0
0
0
0
0
0
7
0
0
0
1.5
6
6
0
6
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-7
7
0
0
0
-7
0
0
0
0
0
0
0
0
0
0
0
0
-15
-7
15
7
0.7
0
0
LR-RY
C-SURR-RY
BRIDGE-RY
SW-RY
SB-LR-RY
HP-RY
SW-RY
AGND
C655
3300p
C605
3300p
C505
3300p
C555
3300p
C755
3300p
C705
3300p
C855
3300p
C805
3300p
C203
0.1u
C491
0.1u
C441
0.1u
C433
10u
C487
0.1u
C204
0.1u
C200
0.1u
C301
10u
50V
C449
100p
C450
100p
C499
2200p
C489
2200p
C355
470p
C352
1u
C350
1u
C354
470p
C484
47p
C482
47p
C434
47p
C432
47p
C483
10u
C480
1u
C051
100p
C001
100p
C053
100p
C003
100p
C057
100p
C007
100p
C208
47p
C206
47p
C205
0.1u
C207
0.1u
R204
75
R203
75
C984
0.0022u
C052
100p
C002
100p
C653
10u 50V
C603
10u 50V
C503
10u 50V
C553
10u 50V
C753
10u 50V
C703
10u 50V
C853
10u 50V
C803
10u 50V
C353
100u
16V
C351
100u
16V
C210
1000u
6.3V
C546
10u 50V
C547
10u 50V
CL437
CL439
CL440
CL441
CL442
CL341
CL443
CL444
CL445
CL340
CL446
CL375
CL448
CL338
CL449
CL450
CL374
CL451
CL452
CL438
CL435
CL434
CL392
CL391
CL204
CL203
CL200
CL202
CL201
CL390
CL389
CL387
CL386
CL385
CL384
CL339
CL337
CL205
CL858
CL859
CL860
CL430
CL861
CL862
CL431
CL433
CL447
CL432
CL933
CL932
CL453
CL454
D352
GS1G
D301
DA2J10100L
D356
P6SMB30AT3G
+6V
FB200
0uH
IC352
KIA7907F-RTF/P
OUT
GND
IN
OUT
GND
IN
1 2
3
4
J401
6P
J200
3P
J402
4P
Q201
PMG85XP
MUTE
PROTECTION
IC400
BD34701KS2
1
VCC
2
DGND
3
DA
4
CL
5
VEE
6
FROUT
7
FLOUT
8
SWOUT
9
COUT
10
SROUT
11
SLOUT
12
SBROUT
13
SBLOUT
14
SUBL
15
SUBR
16
GND
17
GND
18
RECL
19
RECR
20
GND
21
GND
22
INL8
23
INR8
24
INL7
25
INR7
26
GND
27
INL6
28
INR6
29
INL5
30
INR5
31
INL4
32
INR4
33
INL3
34
INR3
35
INL2
36
INR2
37
INL1
38
INR1
39
GND
40
SBLIN
41
SBRIN
42
SLIN
43
SRIN
44
CIN
45
SWIN
46
FLIN
47
FRIN
48
GND
49
ADCR
50
ADCL
51
GND
52
CHIP
Q301
2PD601ART
RELAY DRIVER
Q200
LTC014EUBFS8TL
MUTE
PROTECTION
R302
100
1k
R451
1k
R401
1k
R453
1k
R403
1k
R457
1k
R407
1k
R681
1k
R631
1k
R531
1k
R581
1k
R781
1k
R731
1k
R881
1k
R831
10k
R201
75
R205
1k
R935
1k
R936
47k
R308
47k
R304
1k
R309
100k
R307
R422
100k
R423
100k
R473
100k
R470
22k
C430
1u
C431
1u
R420
22k
R421
22k
C481
1u
R471
22k
R472
100k
220
R449
220
R450
1k
R301
RY301
12V
1
2
3
4
5
LCH-P
VSEL-SW
VMUTE
SL-IN
SW-RY
TUNER-L
SBL-IN
TUNER-R
HP-RY
SW-IN
RCH-P
SR-IN
RCH-N
C-IN
FR-IN
FL-IN
AGND
BRIDGE-RY
SBR-IN
DCAC
C-SURR-RY
LCH-N
LR-RY
SB-LR-RY
EVOL-DATA
AGND
R-IN
L-IN
EVOL-CLK
+7V
+7V
IC200
NJM41010F1
1
OUT
2
GND
3
VCC
VIN1
4
VIN2
5
VSW
6
IC402
NJM4565M (TE2)
1
1OUT
2
1-IN
3
1+IN
4
VSS
2+IN
5
2-IN
6
2OUT
7
VCC
8
W002
C211
47u 35V
C202
0.01u
C201
0.01u
YEL
YEL
YEL
WHT
RED
WHT
RED
WHT
RED
WHT
RED
BLK
BLK
-7V REG.
IC352
IC350
KIA7807AF-RTF/P
+7V REG.
IC350
DIR FUNCTION SELECT
IC400
LINE AMP
IC402
VIDEO
DRIVER
IC200
VIDEO
MONITOR OUT
VIDEO
VIDEO IN
VIDEO
SAT/CATV IN
L
R
AUDIO
VIDEO IN
AUDIO
SUBWOOFER OUT
L
R
AUDIO
SAT/CATV IN
AUDIO
TV IN
L
R
AUDIO
SA-CD/CD IN
L
R
>009S
MAIN BOARD
(5/7)
(Page 28)
>003S
MAIN BOARD (1/7)
(Page 24)
>005S
MAIN BOARD
(2/7)
(Page 25)
>010S
MAIN BOARD
(5/7)
(Page 28)
>013S
MAIN BOARD
(5/7)
(Page 28)
>012S
MAIN BOARD
(7/7)
(Page 30)
>011S
MAIN BOARD
(4/7)
(Page 27)
DH750
DH750
Ver. 1.2
