Schematic Diagram - Monitor Board (1/3) - Sony ICF-DVD57TV Service Manual

ICF-DVD57TV
6-22. SCHEMATIC DIAGRAM – MONITOR Board (1/3) –
1 2 3 4
A
MONITOR BOARD
B
TP1420
C
R1909
22k
R1939
47k
B02
D
(Page 45)
21
IC B/D
MONITOR IC1901
BOARD
(2/3)
POWER CONTROL
IC1901
E B06 BA9743AFV
B08
B07 R1902
L1901 47k
150µH
RV1901
CN1406
10k
10P
C1901 RV1901
8V 1
0.01
5V
F
8V 2
INV-GND 3
J
L1902
INV-GND 4
10µH
8.2 8.1
MAIN
P-GND 5
BOARD
F1901
P-GND 6 Q1904
(1/4) 0.5A
2SB1694
50V
CN406 P-GND 7 R1937
7.3
47k
(Page
8V 8
8V 9 Q1902,1904
36) R1938
R1903
2.2k B+ SWITCH
G 8V 10 22k
0 R1936 R1922
22k
2.2k
Q1902
2SC4081-T106R
0.7
H
I
CN1403
6P
F V-GND 1
R-Y 2
MAIN
V-GND 3
BOARD
B-Y 4
(1/4)
CN403 V-GND 5
(Page Y/CVBS 6
J
36)
R1573
C1569
1000p 4.7
K
ICF-DVD57TV
• See page 47 for Waveforms. • See page 50 for IC Block Diagrams.
5 6 7 8 9
(1/3)
R1929 R1914
R1925
22k
220k 10k
R1904 C1908
C1906
47k
0.47
0.47
R1930
22k
R1911
100k
C1534
C1913
100p
1
C1535
100p
R1919
Q1501, 1502
2.2k
SYNC SEPARATOR
8.1
2.5
16 15 14 13 12 11 10 9 R1540
R1542 5
22k 47k
3.4
5
Q1501
Q1502
2SC4081-T106R 3.4
2SC4081
-T106R
C1550
2.7
0.22
R1577 R1536
C1537
4.7k 0
2.2
1 2 3 4 5 6 7 8
31
R1533
R1932 1k
C1538
22k
4.7
50V
3.1
C1545
22p
2.3
4 C1546 L1506
R1532
10p 47µH
0.4
2.2k 2.4
C1547
RV1902 4.6 7p
-1 2.7
10k C1539
0.1
R1910 100k -2 3.6
C1540
0.1
C1541 3.1
R1928
Q1903
22k 0.1
-1.5 IMZ1A
C1542
DV/DC
0.1
R1917 CONVERTER
10k
C1907
R1935 2.5
C1543
0.47 22k
R1913 0.1 R1534 10k
2.5
22k C1548
R1920
R1927
10k 1 TP1510
10k
R1535
RV1902 R1931 10k
C1544
10k
0.022
DV/DC CONVERTER
FREQUENCY
C1549
9p
X1501
3.579545MHz
37
L1501
47µH
C1501
47
25V
22
MONITOR
BOARD
(2/3)
(Page 45)
10 11 12 13
(Page 46)
24
MONITOR
BOARD
(3/3)
F1801 1A 32V L1801 100µH
3.1
R1527 R1525 3.6 Q1505 R1512
4.7k 2SC4081-T106R
4.7k 10k
D1501 R1520 Q1503
1SS356-TW11 10k
2SC4081-T106R 0
3.1
0.7
C1529
C1527
0.47 22 R1517 R1516
50V 16V 22k 10k
Q1504
C1525
R1529 2SC4081-T106R C1524 1
220k 2200p
BUFFER
Q1503,1505
0
SINC DET
C1533 R1523
1000p 10k
R1515
100K
2.4
L1505
100µH
R1530
470
R1519 R1518
47k 100k
C1523
R1514 R1513 47
R1531
100k 470k 25V
1k
C1536
4.7
C1522
50V
1
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
36
35
3 2.9
49 PONRST HDOUT 32
3.1
50 COMDC VDOUT 31
51 SECAM BLACK ADJ RWMOUT 30 34
3.1 C1521 1
52 YIN VCC3 29
4
53 CTRAPOUT VCOMOUT 28
2.5 C1520
2.2
54 CTRAPIN R-OUTDET 27
2.5 50V
55 YDET R-OUT 26
IC1501 7.3 R1511 47
C1519
56 ACCDET VCC2 25 0.1
2.5 C1518
RGB DECODER
57 CIN VREFDRIV 24
0.01
5 IC1501
58 VCC1 AN2546FH-AV GND1 23
2.5 C1517
59 GND3 G-OUTDET 22
2.2
2.5 50V
60 KILLDET G-OUT 21
R1510 47
2.5 C1516
61 APCDET B-OUTDET 20
2.2
2.5 50V
62 SCOUT B-OUT 19
2 0 R1509 47
63 VXO-NTSC BLANK 18
0
64 VXO-PAL YS 17 33
C1515
32
47
25V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
IC B/D
2 2 5 2 0 0 0 0 0 0
C1514
0.1
L1502
100µH
C1504
2.2
50V
C1502
C1503
0.1 0.1
R1505 R1506 C1506
4.7k
10k 0.1
C1501
R1503
47k
2.2k
R1508
R1502
R1579 10k
10k
4.7k
R1504 C1505 R1507
4.7k 2.2
4.7k
50V
44 44
14 15 16 17 18
C1801
47
25V
R1820 R1810
R1803 R1802
22k 10k 100k 220k
R1819
10k
R1804
0 C1805 C1811
0.01 1
C1804
1
C1813 C1816
0.01
0.47
R1811
100k
38
20 19 18 17 16 15 14 13 12 11
IC1801
LCD BACK
LIGHT CONTROL
IC1801
MP1015
IC B/D
3 8
1 2 3 4 5 6 7 8 9 10 2
7
R1806
470k 4
HDOUT
6
C1814
VDOUT 5
0.01
R1805
1k
T1801
INVERTOR
R1808 TRANSFORMER
2.2k
R-OUT
R1813
C1812
4.7k
1
R1812 C1803 C1806 C1810
100k 0.022 1 0.1
G-OUT
B-OUT
R1807
1k
23
MONITOR
BOARD
(3/3)
(Page 46)
19 20 21
C1819
CN1801
15p
2P
3150V LCD1 (2/2)
LIQUID CRYSTAL
DISPLAY MODULE
C1818
(BACK LIGHT)
470p
R1821
100k
R1818
470
R1816
220k
C1820
R1817 R1822
4700p 220 1k