Schematic Diagram - Main Board (3/4) - Sony STR-DH810 Service Manual

STR-DH810

5-15. SCHEMATIC DIAGRAM - MAIN Board (3/4) -

1 2 3
A
15
MAIN BOARD (3/4)
B
C
CNP410
15P
CL300
HP Relay 1
CL301
SW Relay 2
CL302
LR Relay 3
CL303
SBL-R Relay 4
CL304
Bridgeable Relay 5
CL305
C-SUR-Relay 6
CONNECTION CL306
D
Protector 7
BOARD
CL307
K Limiter 8
CN1006
CL309
(Page 41)
HP detect 9
CL308
15V for tuner 10
CL310
VOL DATA
11
CL311
VOL CLK 12
CL312
Tuner_L(81)/V2_L(21) 13
CL313
Tuner_R(81)/V2_R(21) 14
E CL314
+7V 15
CNP411
20P
CL315
-7V 1
CL316
ADCL OUT 2
CL317
AGND 3
CL318
ADCR OUT 4
CL319
FR IN 5
F CL320
FL IN 6
CL321
SW 7
CL322
C 8
CONNECTION
CL323
BOARD SR IN 9
L CL324
CN1004
SL IN 10
(Page 41)
CL333
SBR IN 11
CL325
SBL IN 12
CL326
DCAC 13
G CL327
DM_R(81)/Zone2_R(21) 14
CL328
DM_L(81)/Zone2_L(21) 15
CL329
V2_R(81)/Main_Z_R(21) 16
AGND 17
CL330
V2_L(81)/Main_Z_L(21) 18
CL331
SAIR R 19
CL332
SAIR L 20
H
I
J
K
STR-DH810
• See page 53 for IC Block Diagrams.
4 5 6 7
MAIN BOARD
(1/4)
(Page 26)
4
17 20
CLK
DATA
HP
SW
LR
SBL_R
BRIDGE
C_SUR
Protector SAIR L
SAIR R
HP DETECT
15V for tuner ADCL OUT
R450 220 C450 100p ADCR OUT
220 C449
R449 100p
TUNER_L/V2_L
TUNER_R/V2_R
SW
C
SR IN
SL IN
ADCL OUT
C546 10 50V SBR IN
SBL IN
C547 10 50V ADCR OUT
TUNER_R/V2_R
SW
C TUNER_L/V2_L
SR IN
SL IN
SBR IN
SBL IN
R354 0
SAIR R
SAIR L
C409 C459
4.7 4.7
50V 50V
R409 R459
1k 1k
L1 R1
L R
SA-CD/CD/
CD-R AUDIO OUT
8 9 10
MAIN BOARD
(2/4)
(Page 27)
5
21 22 23 24
19 16 18
C488 C499
0.1 2200p
7 0 0 -7 0 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 SAIR L
0
78 SAIR R SUB2L
SUB2R
77 GND
0
76 ADC LOUT RECL3
75 ADC ROUT RECR3
74 GND RECL2
0
73 FRIN RECR2
0
IC400
72 FLIN RECL1
BD3471KS2
0
71 SWIN RECR1
IC400
0
70 CIN
DIR FUNCTION SELECT
0
69 SRIN SBL IN2
0
68 SLIN SBR IN2
0
67 SBRIN SL IN2
0
66 SBLIN SR IN2
65 GND C IN2
0
64 Bi-AmpR SW IN2
0
Bi-AmpL
63 FL IN2
0
62 TUNER_R/V2_R FR IN2
0
TUNER_L/V2_L
61
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 0 0
W002
C408 C458
4.7
4.7
50V
50V
R401 R451 R404 R454 R458
R402 R452 R403 R453 R408
1k
1k 1k 1k 1k 1k 1k 1k 1k
1k
C403
2200p
G
L2 R2 L3 R3 L1 R1 L2 R2 G L1 R1
L R L R L R L R L
SA-CD/CD/ TV AUDIO IN SAT/CATV BD VIDEO 1
CD-R AUDIO IN AUDIO IN AUDIO IN AUDIO OUT
J403
J401
4P
6P
28 28
11 12 13 14
IC B/D
GND 21
GND 22
23
24
0
25
0
26
27
28
0
29
0
30
GND
31
32
IC352
33
KIA7907PI
34 IC352
35
-7V REG
36
-7
O
37
C353
38 D352
100
1SR154-400TE-25
16V
39
GND
40
C351
100
16V
7
IC350
KIA7807API-U/PF
IC350
+7V REG
C471
10
50V
R301
R467
2.2k
100k
R302
100
D301
RY301
15.3 R304
MA2J1110GLS0
47k
0
R470 Q301
R405 R455
47k 2SC3052EF-T1-LEF
1k 1k RELAY DRIVER
R466
1k
C405
C400
2200p
2200p
L2 R2 G
R L R
SUBWOOFER
AUDIO OUT
VIDEO 1
AUDIO IN
J404 J405
4P 1P
15 16 17
MAIN BOARD
(4/4)
35
7
(Page 29)
-15
I 36
G
C352
0.47
C350
0.47
15
37
MAIN BOARD
(4/4)
8
(Page 29)
38
39