STR-DH720/DH720HP
STR-DH720/DH720HP
21
21
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 (3/4)
18
17
25 26
20 21
22
24
23
19
36
35
37
39
38
-15
-7
15
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
0
0
0
-7
0
0
0
0
0
0
0
0
0
0.7
I
O
G
I
O
COM
G
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
DATA
CLK
SW
C_SUR
PROTECTOR
HP_DET
BRIDGE
SBL_R
LR
SW
HP
1k
R451
1k
R402
1k
R452
C400
2200p
W002
CC01
100p
CC51
100p
CC02
100p
CC52
100p
CC08
100p
CC58
100p
CC03
100p
CC53
100p
CC05
100p
CC55
100p
1k
R401
1k
R453
1k
R403
A_GND
C405
2200p
C449
100p
C450
100p
J405
D352
1SR154-400TE-25
D351
P6SMBJ33A-5
C350
0.47
C352
0.47
RY301
2.2k
R301
100k
R467
47k
R304
47k
R470
C471
10
50V
1k
R466
1k
R455
1k
R405
1k
R408
C458
4.7
50V
C408
4.7
50V
1k
R458
0
R354
15k
R348
C547
10 50V
C546
10 50V
CL300
CL301
CL302
CL303
CL304
CL305
CL306
CL307
CL308
CL309
CL310
CL311
CL312
CL313
CL314
CL315
CL316
CL317
CL318
CL319
CL320
CL321
CL322
CL323
CL324
CL326
CL327
CL328
CL329
CL335
CL336
CL337
CL338
CL340
CL341
CL344
CL345
CL346
CL347
CL378
CL379
CL376
CL377
CL348
C489
2200p
C491
10p
C499
2200p
C490
10p
C488
0.1
CL325
CL392
CL382
CL381
CL333
C351
100
16V
C353
100
16V
220
R450
220
R449
1k
R357
C380
10 50V
C381
10 50V
C382
10 50V
C383
10 50V
C384
10 50V
C385
10 50V
C386
10 50V
C387
10 50V
1k
R380
1k
R381
1k
R382
1k
R383
1k
R384
1k
R385
1k
R386
1k
R387
220p
C388
C389
220p
1k
R388
1k
R389
C390
3300p
C399
100p
C398
100p
C391
3300p
C392
3300p
C393
3300p
C394
3300p
C395
3300p
C396
3300p
C397
3300p
D301
DA2J10100L
GND
HPFN
LPF01
LPF02
LPFN2
LPFN1
SWVOL
VCC
DGND
DA
TA
CLK
VEE
FROUT
FLOUT
SWOUT
COUT
SROUT
SLOUT
SBROUT
SBLOUT
GND
GND
SUB2L
SUB2R
RECL3
RECR3
RECL2
RECR2
RECL1
RECR1
GND
SBL IN2
SBR IN2
SL IN2
SR IN2
C IN2
SW IN2
FL IN2
FR IN2
GND
INL12
INR12
INL1
1
INR1
1
INL10
INR10
INL9
INR9
INL8
INR8
INL7
INR7
INL6
INR6
INL5
INR5
INL4
INR4
INL3
INR3
INL2
INR2
INL1
INR1
GND
SBLIN
SBRIN
SLIN
SRIN
CIN
SWIN
FLIN
FRIN
GND
ADC ROUT
ADC LOUT
GND
SUB1 R
SUB1 L
GND
J409
2
3
1
5
4
7
6
J401
R302
100
C401
10p
C402
10p
CNP411
19P
+7V
NC
-7V
ADCL OUT
AGND
AGND
ADCR OUT
DAC FR IN
DAC FL IN
DAC SW
DAC C
DAC SR IN
DAC SL IN
DAC SBR IN
DAC SBL IN
DCAC
TUNER_R
TUNER_L
1
TUNER_L
CNP410
19P
NC
19
+3.3V
DGND
REG_TEMP
HP_RY
PREOUT_SW_ RY
FL-FR_RY
SBL-R_RY
BRIDGEABLE_RY
C-SLR-RY
PROTECTOR
LIMITER
HP_DET
+15V_TUNER
EVOL_DATA
EVOL_CLK
VIDEO2_R
AGND
VIDEO2_L
2
4
5
1
3
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
59
57 56
60
58
55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
BD3470KS2
IC400
DIR FUNCTION SELECT
IC400
IC352
KIA7907PI
-7V REG
IC350
KIA7807API-U/PF
IC352
+7V REG
IC350
Q301
RELAY DRIVER
2SC3052EF-T1-LEF
L
R
SA-CD/CD
AUDIO IN
L
R
L
R
SAT/CATV
AUDIO IN
L
R
VIDEO 1
AUDIO OUT
L
R
VIDEO 1
AUDIO IN
SUBWOOFER
AUDIO OUT
TV
AUDIO IN
F
DIGITAL
BOARD
(4/4)
CN2105
(Page 11)
G
DIGITAL
BOARD
(4/4)
CN2114
(Page 11)
9
MAIN BOARD
(4/4)
(Page 22)
4
MAIN BOARD (1/4)
(Page 19)
5
MAIN BOARD (1/4)
(Page 19)
6
MAIN BOARD (2/4)
(Page 20)
8
MAIN BOARD
(4/4)
(Page 22)
(ECE)
C323
10p
C324
10p
2-18. SCHEMATIC DIAGRAM – MAIN Board (3/4) –