Schematic Diagram -Video Section (7/7) - Sony HS-MB1 Service Manual

4-23. SCHEMATIC DIAGRAM – VIDEO Section (7/7) –
1 2 3
ZONE 1
F
A
CN500
8P
IC506
+10V REG
B
IC506
KIA7810API-U/PF
10 3 1
O I
G
C608 2
C612
47
0.1
25V
C
R500 R501 R503 R502 R504
51 51 51 51 51
0.5% 0.5% 0.5% 0.5% 0.5%
D
R590 R591 R592 R593 R594 R595 R596 R597
0 0 0 0 0 0 0 0
E
C513
10
50V
C512
0.1
28 27 26 25 24 23 22 21 20 19 18 17 16 15
F
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C514
0.1
G
C515
10
50V
C501 C503 C505 C507 C509 C511 C517 C519
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
H
R614 R615 R616 R617 R618 R619 R620 R621
I
51 51 51 51 51 51 51 51
0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5%
J
JL500
CN501
8P
21
K
VIDEO BOARD (3/7)
(Page 29)
SOURCE 1
E
HS-MB1
• See page 36 for IC Block Diagrams.
4 5 6
OUTPUT
ZONE 2 ZONE 3
F F
CN502
8P
IC507
+10V REG
IC507
KIA7810API-U/PF
23 10 3 1 23
O I
G
C609 2
C616 C613 C617
47
0.47 0.1 0.47
25V
R515 R514
51
R510
R513 0.5% 0.5%
R509 R508 51
51
51 51 0.5%
0.5%
0.5% 0.5%
R507
51
0.5%
R598 R599 R600 R601 R602 R603 R604 R605
0 0 0 0 0 0 0 0
IC B/D C533
10
50V
IC500
C532
Pb-Y
0.1
VIDEO SELECT
28 27 26 25 24 23 22 21 20 19 18 17 16 15
IC B/D
IC501
Y
VIDEO SELECT
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C539 10
C521 C523 C525 C527 C529 C531 C537 10
C534
10 10 10 10 10 10 0.1
R630 R631 R632 R633 C535 R634 R635 R636
51 51 51 51 10 51 51
0.5% 0.5% 0.5% 0.5% 50V 0.5% 0.5% 0.5%
JL501 JL502
CN503 CN504 CN506
8P 8P 8P
SOURCE 2 SOURCE 3
E E
INPUT
7 8 9 10
(Page 30)
ZONE 4 VIDEO BOARD (4/7)
F
CN505 CN507
8P 8P
IC508 IC509
+10V REG +10V REG
IC508 IC509
KIA7810API-U/PF KIA7810API-U/PF
10 3 1 23 10 3 1
O I O I
G G
C610 2 2
C614 C618 C615
47
0.1 0.47 0.1
25V
C611
47
25V
R516
51
51
0.5%
R532 R533
51 51
R530 0.5% 0.5% R519
51 51
0.5% 0.5%
R606 R607 R608 R609 R610 R611 R612 R613
0 0 0 0 0 0 0 0
C553
10
IC B/D
50V
IC502
C552
0.1
Pr-Y
VIDEO SELECT
28 27 26 25 24 23 22 21 20 19 18 17 16 15
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C554
C541 C543 C545 C547 C549 C551 C557 C559
0.1
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
C555
10
R637 50V
51 51
0.5%
R622 51 0.5%
R623 51 0.5%
R624 51 0.5%
R625 51 0.5%
R626 51 0.5%
R627 51 0.5%
R628 51 0.5%
R629 51 0.5%
JL503
SOURCE 4
E
33 33
11 12 13
25
VIDEO BOARD (7/7)
23
C619
0.47
R569 10k
R570 10k
R571 10k
R572 10k
R573 10k
R574 10k
R575 10k
R576 10k
R522 R523 R524 R525 R526 R527 R528 R529 R534 R535 R536 R537 R538 R542
75 75 75 75 75 75 75 75 75 75 75 75 75 75
0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5%
IC503
COMPOSITE+
R553 R554 R555 R556 R557 R558 R559 R560 R561 R562 R563 R564 R565 R566
0 0 0 0 0 0 0 0 VIDEO SELECT 0 0 0 0 0 0
C579
10
50V
C578
0.1
28 27 26 25 24 23 22 21 20 19 18 17 16 15 28 27 26 25 24 23
1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6
IC B/D
C580
C562 C565 C568 C571 C560 C563 C566 C569 C572 C577 C593 C596 C599 C591 C597 C594
0.1
0.1 1 1 0.1 1 0.1 0.1 0.1 0.1 1 0.1 1 1 0.1 1
C581
10
50V
7
8
VIDEO BOARD (1/7)
(Page 27)
VIDEO BOARD (1/7)
(Page 27)
HS-MB1
14 15
(Page 30)
VIDEO BOARD (4/7)
26
R577 10k
R578 10k
R579 10k
R580 10k
R581 10k
R582 10k
R583 10k
R584 10k
R546 R549
75 75
0.5% 0.5%
IC505
COMPOSITE-
R567 R568
0 0 VIDEO SELECT
C601
10
50V
C600
0.1
22 21 20 19 18 17 16 15
7 8 9 10 11 12 13 14
IC B/D
C602
C585 C582 C575 C587
0.1
0.1 0.1 0.1 0.1 1
C603
10
50V
11
VIDEO BOARD (2/7)
(Page 28)