ICF-DVD57TV
44
44
ICF-DVD57TV
6-22. SCHEMATIC DIAGRAM – MONITOR Board (1/3) –
•
See page 47 for Waveforms.
•
See page 50 for IC Block Diagrams.
LIQUID CRYSTAL
LCD1 (2/2)
(BACK LIGHT)
DISPLAY MODULE
TP1420
Q1501, 1502
SYNC SEPARATOR
CN406
BOARD
MAIN
(1/4)
J
MONITOR
24
BOARD
(3/3)
MONITOR
21
BOARD
(2/3)
MONITOR
22
BOARD
(2/3)
MONITOR
23
BOARD
(3/3)
IC B/D
31
37
IC B/D
32
33
34
36
35
38
IC B/D
CN403
BOARD
MAIN
(1/4)
F
1.7
1.2
1.2
2.5
0.9
0
0
1.7
1.3
4
1.6
2.4
1.6
8.1
5
5
3.4
3.4
2.7
4.6
-1.5
4
0.4
3
3.1
2.3
2.4
3.6
3.1
2.7
2.5
2.5
5
2
2.4
2
2
5
2
0
0
3.4
3.4
3.4
0
0
0
0
3
2.9
3.1
3.1
4
2.5
2.5
7.3
2.5
2.5
2.5
2.5
2.5
0
0
3
3.3
0
1.8
2.6
5
4.5
3
2.4
1.6
0.3
0
3.1
2.4
3.1
3.6
0
0.7
4.9
0
0
2.1
7.9
5
2
7.6
0
5
1
6
2.1
3.2
7.4
7.9
1.8
8.2
8.1
7.3
0.7
RV1901
5V
DV/DC CONVERTER
FREQUENCY
RV1902
1
A
10P
CN1406
1
2
3
4
5
6
7
8
9
10
6P
CN1403
1
2
3
4
5
6
IC1901
BA9743AFV
1
CT
2
RT
3
NON1
4
INV1
5
FB1
6
DT1
7
OUT1
8
GND
9
VCC
10
OUT2
11
DT2
12
FB2
13
INV2
14
NON2
15
SCP
16
VREF
IC1501
AN2546FH-AV
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
IC1801
MP1015
1
ABR
T
2
IL
3
BDSC
4
DBR
T
5
EN
6
DRV
7
BA
TT
8
OUTL
9
PGND
10
BTL
11
BTR
12
PGND
13
OUTR
14
BA
TT
15
REF
16
COMP
17
FT
18
VLFB
19
ISFB
20
AGND
R1939
47k
R1940
100k
R1905
47k
R1926
220k
R1909
22k
C1906
0.47
C1909
470p
R1925
220k
R1904
47k
R1929
10k
C1908
0.47
R1930
22k
R1911
100k
C1913
1
R1916
2.2k
R1933
2.2k
R1918
2.2k
R1934
2.2k
Q1903
IMZ1A
R1935
22k
R1920
10k
R1917
10k
R1932
22k
R1914
22k
R1931
10k
C1910
470p
C1912
470p
R1913
22k
R1924
220k
R1907
47k
C1904
470p
C1902
220p
R1908
4.7k
R1927
10k
RV1901
10k
R1906
47k
R1923
220k
R1928
22k
C1907
0.47
R1910 100k
R1903
22k
R1922
22k
R1902
47k
L1901
150
µ
H
L1902
10
µ
H
Q1904
2SB1694
R1937
47k
F1901
0.5A
50V
C1502
0.1
C1501
47
25V
C1901
0.01
C1513
1
C1512
1
C1511
1
C1510
0.1
C1509
0.1
C1508
0.1
C1507
2.2
50V
C1506
0.1
C1504
2.2
50V
R1508
10k
R1507
4.7k
R1504
4.7k
R1503
2.2k
R1502
10k
C1501
47k
R1579
4.7k
R1506
10k
R1505
4.7k
C1503
0.1
L1501
47
µ
H
R1938
2.2k
Q1501
2SC4081-T106R
Q1502
2SC4081
-T106R
C1537
2.2
C1549
9p
TP1510
X1501
3.579545MHz
C1548
1
R1535
10k
R1534 10k
C1543
0.1
C1542
0.1
C1541
0.1
C1540
0.1
C1539
0.1
C1547
7p
C1546
10p
C1545
22p
L1506
47
µ
H
R1532
2.2k
C1538
4.7
50V
R1533
1k
R1536
0
R1577
4.7k
R1542
22k
R1540
47k
C1536
4.7
50V
C1550
0.22
R1530
470
R1531
1k
C1535
100p
C1534
100p
R1529
220k
R1526
1k
R1528
1k
C1533
1000p
C1531
470P
C1532
22
16V
R1527
4.7k
R1525
4.7k
R1524
10k
C1530
1
C1529
0.47
50V
C1528
0.022
R1522
10k
R1523
10k
C1527
22
16V
C1526
0.022
R1521
1M
Q1504
2SC4081-T106R
BUFFER
R1518
100k
R1519
47k
R1514
100k
R1513
470k
R1515
100K
C1524
2200p
Q1503
2SC4081-T106R
Q1505
2SC4081-T106R
C1525
1
R1517
22k
R1516
10k
R1520
10k
D1501
1SS356-TW11
R1512
10k
C1514
0.1
C1515
47
25V
L1502
100
µ
H
C1516
2.2
50V
C1517
2.2
50V
C1518
0.01
C1519
0.1
R1511 47
R1510 47
R1509 47
C1520
2.2
50V
C1521 1
C1523
47
25V
C1522
1
L1505
100
µ
H
C1801
47
25V
F1801 1A 32V
L1801 100
µ
H
R1803
22k
R1819
10k
R1806
470k
R1805
1k
R1807
1k
R1808
2.2k
C1803
0.022
C1806
1
C1808
0.01
R1802
10k
R1804
0
C1810
0.1
R1812
100k
C1812
1
C1814
0.01
R1813
4.7k
R1822
1k
C1824
0.022
C1817
0.047
R1815
4.7k
C1820
4700p
C1819
15p
3150V
R1816
220k
R1821
100k
R1817
220
R1818
470
C1818
470p
R1810
220k
R1820
100k
R1814
1k
C1805
0.01
C1811
1
C1804
1
R1811
100k
C1809
0.47
C1823
470P
C1807
1000P
C1813
0.01
C1815
0.47
C1816
0.47
C1544
0.022
R1573
4.7
C1569
1000p
2SC4081-T106R
Q1902
2.2k
R1936
BLK
OSD_BOUT
OSD_GOUT
OSD_ROUT
SCK
B-OUT
G-OUT
R-OUT
VDOUT
HDOUT
SD
ATA
9
H
E
19
10
14
C
16
D
I
11
6
5
F
15
7
12
J
17
G
2
3
B
K
4
18
20
13
8
21
8V
8V
INV-GND
INV-GND
P-GND
P-GND
P-GND
8V
8V
8V
V-GND
R-Y
V-GND
B-Y
V-GND
Y/CVBS
POWER CONTROL
IC1901
VSS
YIN
PDL
VXO-PAL
AFCDET
SCOUT
HSYNCLOCK
VCC2
B-IN2
VREF
R-OUTDET
B-OUT
RWMOUT
+BCLKFL
T
GND2
KILLDET
R-IN2
B-DET
SECAM BLACK ADJ
CSYNCOUT
GND1
G-IN2
VDOUT
NRGB
VCOMOUT
NA
VSYNCIN
PONRST
VCC1
COMDC
VREFDRIV
R-YOUT
APCDET
VCC1
R-IN1
G-DET
B-YOUT
VCDADJ
VXO-NTSC
R-OUT
CSYNCIN
YS
SD
ATA
CIN
SCP
R-DET
CTRAPIN
HDOUT
ACCDET
G-OUT
B-IN1
YDET
B-OUTDET
BLANK
G-OUTDET
VDIN
VCC1
R-YIN
GND3
SCLK
CTRAPOUT
VCC3
B-YIN
P
ALN
G-IN1
RGB DECODER
IC1501
IC1801
8
2
7
6
5
3
4
T1801
CN1801
MONITOR BOARD
(1/3)
B02
C07
B06
C05
B08
B07
B14
C04
C03
C02
C06
B10
B15
B05
B01
B04
B+ SWITCH
Q1902,1904
-1
-2
Q1503,1505
SINC DET
INVERTOR
TRANSFORMER
LCD BACK
LIGHT CONTROL
2P
B11
HSYNCLOCK
R1919
2.2k
R1539
100k
R1541
47k
C1551
1
DV/DC
CONVERTER
RV1902
10k
C1505
2.2
50V
(Page 45)
(Page
36)
(Page
36)
(Page 45)
(Page 46)
(Page 46)