Schematic Diagram - Monitor Board (2/3) - Sony ICF-DVD57TV Service Manual

6-23. SCHEMATIC DIAGRAM – MONITOR Board (2/3) –
1
2 3
A
MONITOR
B
BOARD
C
D
C1903
0.1
E
F
G
H
I
CN1404
11P
u-COM GND 1
3.9V 2
TUNER MUTE 3
G
TUNER MODE 4
TUNER F MONO 5
MAIN
J TUNER AFT(A/D) 6
BOARD
(1/4) TUNER AGC 7
CN404
TUNER SDA 8
(Page 36)
TUNER SCK 9
TV/AUX 10
TV/AUX AMUTE 11
CN1405
7P
K DVD ON 1
H
RESET 2
u-COM RDATA 3
MAIN
u-COM CLK 4
BOARD
(1/4) u-COM SDATA 5
CN405
u-COM LATCH 6
(Page 36)
TFT OPEN 7
L
M
ICF-DVD57TV
All manuals and user guides at all-guides.com
• See page 47 for Waveforms. • See page 50 for IC Block Diagrams. • See page 59 for IC Pin Function Description.
4 5 6 7
21 (Page 44)
MONITOR
BOARD
(1/3)
T1901 45
(2/3) DC/DC
CONVERTER
D1901
SB01-05CP-TB-E
10
C1915 L1903 C1920
4.7 47µH 47
50V 25V
D1902
SB01-05CP-TB-E
TP1909
9
C1916 C1921
L1904
10 22
47µH
7
44 16V 16V
D1903
SB05-05CP-TB-E
TP1907
6
8
C1922
C1917 L1905
100
22 47µH
43 16V
16V
5
D1904
8
SB05-05CP-TB-E
0.4 40
3
C1918 L1906 C1923
TP1906 4
10 47µH 22
Q1901 16V 16V
2SD1760Q
42
DV/DC
C1911
CONVERTER
470p
100V
2
D1905
SB01-05CP-TB-E
1
C1905
R1912 L1907 C1924
C1919
47
0 47µH 22
4.7
25V
16V
50V
41
TP1901
C1429
D1402
C1430
C1412 C1427 C1426 C1425 C1424 1SS119-25TD 1 220
10V
0.01 0.01 0.01 0.01 0.01
R1441 1k
R1442 1k
R1440 0
R1443 1k
R1439
100
39
3.6[0.8]<<0.8>>
80 79
NC
NC
VLC2
VLC1
VLC0
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
TP1421
SEG8
SEG9
SEG10
D1403
1SS119-25TD
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
BP1401
(TV TEST MODE)
R1402
220k
8 9 10
(Page 46)
25
MONITOR
BOARD
(3/3)
C1417
X1401 C1421 R1437 0.1
4.19MHz 0.1 4.7k
C1418 C1419 C1420
100p 100p 100p
78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
R1428
[0]<<3.7>>
100
3.3
TFT-ON
3.3
8V-SW
3.3 R1422 1k
uCOM-CLK
3.3
uCOM-S DATA
0
uCOM-R DATA
3.3
OSD-CLK
3.3
OSD-DATA
3.3
OSD-CS
3.1
VSYNC
3.2
IC1401 uCOM-LATCH
3.3
EEPROM-SCL
SUB SYSTEM CONTROLLER 3.3
IC1401 EEPROM-SDA
uPD789477GC-SR7596B 0
RIN
AVSS
1.6
T-AFT
NC
NC
NC
NC
0
SCP-DET
R1403
100k
R1413
4.7k
R1414
4.7k
C1402 C1407 C1432
C1406 C1431
0.01 0.01 100p 100p
0.01
C1405 C1408 C1410
C1401
100p 100p
0.01 0.01
45 45
11 12 13 14
22 (Page 44)
MONITOR
BOARD
(1/3)
HSYNCLOCK
VDOUT
HDOUT
VDOUT
20 19 18 17 16 15 14 13 12 11
IC1502
OSD DRIVER
IC B/D
IC1502
µPD6467GR-546-1
L1507
47µH
1 2 3 4 5 6 7 8 9 10
R1426 100 R1543 470
C1557
R1425 100 R1544 470
C1558
R1424 100 R1545 470
C1559
C1553
100p L1508
22µH
R1421 100
C1560
C1556
R1420 100
C1552 C1561
C1570 47
0.01
R1419 100p 25V TP1515
10k
C1571 R1547
C1554 C1555
R1451 100p 100k
10 0.1
4.7k
C1413 16V
100p
R1452
4.7k
R1444
1k
8 7 6 5
1 2 3 4
C1451
0.1
C1411
1
IC1451
EEPROM
IC1451
BR24C04F-WE2
IC B/D
C1409
100p
ICF-DVD57TV
15
5p
22p
10p
10p
22p