Schematic Diagram - Main Board (2/3) - Sony STR-DH800 Service Manual

STR-DH800

5-14. SCHEMATIC DIAGRAM - MAIN Board (2/3) -

1 2
A
B
C
D
E
C607
R607
68k
F
G
CN555
18P
+7V 1
-7V 2
R-CH(V2) 3
R2-GND 4
H
L-CH(V2) 5
R2+15V 6
GND 7
K
GND 8
FR 9
CONNECTION
FL 10
BOARD
CN803 SW 11
(Page 37)
I C 12
SR 13
SL 14
GND 15
GND 16
SBR 17
SBL 18
CN556
18P
J
ZONE2 L 1
ZONW2 R 2
PROTECT 3
DATA 4
CLK 5
MULTI-IN 6
VACS 7
L
L-IN 8
K
R-IN 9
CONNECTION
GND 10
BOARD
CN804 TUNER-R 11
(Page 37)
GND 12
TUNER-L 13
SIRIUS-R 14
SIRIUS-L 15
DCAC 16
L
DM-R 17
DM-L 18
M
N
STR-DH800
• See page 42 for IC Block Diagrams.
3 4 5 6 7
MAIN BOARD (2/3)
IC B/D IC600
IC600
μPC2581V-S
POWER AMP
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 15
JR761
0
R608
22k
(US, CND)
C600
10
50V
R761
3.3k
1/3W
(AEP, UK)
R603
3.3k
R760
1/3W R759
3.3k 3.3k
1/3W 1/3W
(AEP, UK)
R615 R609
3.3k 3.3k
1/3W 1/3W
C605 22p 500V C620 3p 500V
3p 500V
R619
C606 R604
68k
100p 1k
R606
C608
2.2k R605 C604 C603
220
68k 100p 10
10V
50V
C551 C552
R551 100p 100p
1k
R552
1k
IC B/D
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
80
0
79 Zone2 L
0
78 Zone2 R
77
0
Lout
76
0
75 Rout
74
0
73 FR-IN IC551
0
72
FL-IN
0 INPUT SELECTOR,
SW-IN
71 ELECTRICAL VOLUME
0
IC551
70 C-IN
BD3471KS2
0
69 SR-IN
0
68 SL-IN
0
67 SBR-IN
0
SBL-IN
66
65
0
64 Bi-FR
0
63 Bi-FL
0
62 R CH(V2)
0
L CH(V2)
61
Tuner R
60 59 58 57 56 55 54 53 52 51
R527
1k
R536
1k
(AEP, UK)
C527
100p
C534 C521 C528 C522 C529
100p 100p 100p 100p 100p
L R L R L R
SA-CD/CD/ SA-CD/CD/ TV IN
CD-R OUT CD-R IN
J521
8 9 10 11
MAIN
11 (Page 25)
BOARD
(1/3)
IC B/D IC601 IC B/D
IC601
POWER AMP
μPC2581V-S
14 13 12 11 10 9 8 7 6 5 4 3 2 1 15 14 13
C618 C619 C612 C611
JR760 22p 100p 100p 22p JR758
0 500V 500V
R614
22k
JR759 JR757
C615
0
10
(US, CND)
50V
(AEP, UK)
R758 R757
3.3k 3.3k
1/3W 1/3W
R626 R620
3.3k 3.3k
1/3W 1/3W
C613 3p 500V C635 3p 500V
R616 R610
R613 R630
R618 1k 1k R612
68k 68k
2.2k 2.2k
C621 C614
220 220
10V 10V
C616
10
50V C609
10
50V
C441
10
50V
C553
47
25V
C555
0.1
21
22 C556
0.1
Bi-FL Out 23
24
Bi-FR Out
25
C554
47
26
25V
0
27 R554 R553
REC Video1 L (J)
2.2 2.2
0
REC Video1 R (J) 28
0
R441
REC SACD L (J) 29
100k
0
R443
REC SACD R (J) 30
C538 C540 47k
4.7 4.7
31
50V 50V
Bi-FL2 IN 32 R442
1k
Bi-FR2 IN
33
34
35
36
37
Bi-FL1 IN
38
Bi-FR1 IN
39
40
Video1 L (J)
50 49 48 47 46 45 44 43 42 41
C541
4.7
50V
R523
1k
C539
4.7 R526 R535 R525 R534
R533 R524 50V 1k 1k 1k 1k
1k 1k
CL521
C523 C530 C524 C531 C526 C533 C525 C532
100p 100p 100p 100p 100p 100p 100p 100p
C536 C537
JW522
2200p 2200p
(CHASSIS) (CHASSIS) (CHASSIS)
L R L R L R L R SUBWOOFER
AUDIO OUT
SAT BD VIDEO 1 VIDEO 1
J524
AUDIO IN AUDIO IN AUDIO OUT AUDIO IN
J522 J523
26 26
12 13 14 15
IC602 IC B/D
IC602
μPC2581V-S
POWER AMP
12 11 10 9 8 7 6 5 4 3 2 1 15 14 13
C633 C634 C625 C624
22p 100p 100p 22p JR756
0 500V 500V 0
R625
22k
JR755
C630
0 0
10
(US, CND)
50V
(AEP, UK)
C602
100
R755 R756 100V
3.3k 3.3k
1/3W 1/3W
R631 R636
3.3k 3.3k
1/3W 1/3W
C626 3p 500V C648 3p 500V
R627 R621
R624 R640
R629 1k 1k R623 R601 R602
68k 68k
2.2k 2.2k 10 10
1W 1W
C636 C627
220 220
10V 10V
C631 C622
10 10
50V 50V
R444
10k
R446
220
RY441
D441
MA2J1110GLS0
Q441
2SC3052EF-T1-LEF
0.1
RELAY DRIVE
0.6
R445
47k
IC413
-7V REGULATOR
IC413
KIA7907PI
D412
1SR154-400TE-25
-6.9 -15.3
O I
2 1
G
3
C415 C414
470 0.47
16V
C413 C412
470 0.47
16V
3
7 14.7
2 1
IC412
+7V REGULATOR
IC412
KIA7807API-U/PF
C535
2200p
(CHASSIS)
16 17 18 19
IC603
IC603
μPC2581V-S
POWER AMP
12 11 10 9 8 7 6 5 4 3 2 1
C646 C647 C640 C639
22p 100p 100p 22p
500V 500V
R635
22k
C643
(US, CND) 10
50V
14
GND
C601
MAIN
100
100V
BOARD
(3/3)
(Page 27)
C641
3p
500V
R637 R632
R634
R639 1k 1k R633
68k
2.2k 2.2k
C649 C642
220 220
10V 10V
C644 C637
10 10
50V 50V
A27
A26 15
B02
B03 MAIN
BOARD
+15V
(3/3)
GND (Page
27)