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
TP1906
D
2SD1760Q
CONVERTER
C1905
C1903
47
0.1
25V
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
• 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)
45
T1901
(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 L1904 C1921
10 47µH 22
7
44
16V 16V
D1903
SB05-05CP-TB-E
TP1907
6
8
C1917 L1905 C1922
22 47µH 100
43 16V
16V
5
D1904
8
SB05-05CP-TB-E
0.4 40
3
C1918 L1906 C1923
4
10 47µH 22
Q1901 16V 16V
42
DV/DC
C1911
470p
100V 2
D1905
SB01-05CP-TB-E
1
R1912 C1919 L1907 C1924
0 4.7 47µH 22
50V 16V
41
TP1901
C1429
D1402 C1430
C1412 C1427 C1426 C1425 C1424 220
1SS119-25TD 1
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 78 77
[0]<<3.7>>
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
R1403
100k
8 9 10 11
(Page 46)
25
MONITOR
BOARD
(3/3)
C1417
X1401 C1421 R1437 0.1
0.1 4.7k
4.19MHz
C1418 C1419 C1420
100p 100p 100p
76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
R1428
100
3.3
TFT-ON
3.3
8V-SW
R1422 1k
3.3
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
R1444
1k
C1411
R1413
1
4.7k
R1414
4.7k
C1409
100p
C1402 C1406 C1431 C1407 C1432
0.01 0.01 0.01 100p 100p
C1405
C1401 C1408 C1410
100p 100p
0.01 0.01
45 45
12 13 14 15
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
5p
C1558
R1424 100 R1545 470
22p
C1559
10p
C1553
100p L1508
22µH
R1421 100
C1560
10p
C1556
R1420 100
C1552 C1561
C1570 47
0.01 22p
R1419 100p 25V TP1515
10k
C1571 R1547 C1554 C1555
R1451 100k
100p 10 0.1
4.7k
C1413 16V
100p
R1452
4.7k
8 7 6 5
1 2 3 4
C1451
0.1
IC1451
EEPROM
IC1451
BR24C04F-WE2
IC B/D
ICF-DVD57TV