Schematic Diagram - Main Section (4/4) - Sony ICF-DVD57TV Service Manual

6-17. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
1 2 3
A
MAIN BOARD
(4/4)
B
C
D
R911
1k
E
L905
22µH
R917
10k
F
D03
12
D04
R927
D05
MAIN 4.7k
BOARD D06
(1/4)
D02
(Page
R936
1k
IC903
36)
G
+3.3V
REGULATOR
L908
IC903
22µH
BA33BCOFP
(5.1)
(3.1)
O I
R941
3 G 1 100k
2
H
C953
C960 C959
100
0.01 0.01
16V
I
J
ICF-DVD57TV
All manuals and user guides at all-guides.com
• See page 47 for Waveforms. • See page 50 for IC Block Diagrams.
4 5 6 7 8
D911
Q907, 909
1SS355 TH902
REGULATOR CONTROL
24
L903
16.7 F903
O(8.2) (13.7) 16.7 22µH 3.5A
S
1 4 R915
(13.7) 72V
2.2k 4 3
2
L904
5
22µH
3
6 16.7
R918 IC952
(16.6)
220
Q907
R916
2SC4081-T106
47k TEMPERTURE
DETECT
16.2 IC952
C928
25
16 R929 (6.4) 100p XC61CN3502NR
(6.6) 47 1 2
3.9
16.7 R930
Q908 3.7
(6.6) 220
TCP6102
Q909
SWITCHING
2SA1576A C983
REGULATOR R972
C938
100p 100k
R928
22k
D908 RB501V-40
26
Q916 Q913, 918
TCP6102 REGULATOR CONTROL
D913
SWITCHING
1SS355 REGULATOR
L906
16.7
(13.7) 16.7 22µH F904
O(5.1) S
R937 3.15A
1 4 (13.7)
2.2k
4 3 72V
2
L907
22µH 5
3
6 16.7
R938 IC951
(9.2)
220
15.9 Q913
R940 (9.2) 2SC4081-T106
220k
TEMPERTURE
DETECT
16.2
C945
R949 (9.4) IC951
100p
1 2
47 XC61CN3502NR
3.9
16.7 R957
27 3.7
(9.2) 220
Q918
2SA1576A
R950
C971 R969 C947
22k
100k 0.1
100p
TH901
9 10 11 12 13
C918
0.1
Q903
2SA1576A R907
0 0 Q905,906
SWITCHING 220
C919
R910 R909 MONITOR ON
0(2.5) 1
1k 0(2.5) 22k SWITCH
Q902 16.7(13.7)
R913
0
2SC4081 47k
0
(2.5)
(2.5) Q905 16.7(0)
R914 C925
DTA144EUA 9
47k 0.01
0.4(13.7)
R923 C929 R921
47k 470p 220k C921
0(3.1)
R924
C930 R925 R922
0.01 10k 220k 47k
Q910
2SA1576A
R971
DEAD TIME
0(1.5)
10k
0(2.5)
R934
100k 0
(2.5)
R935
47k
C941
2.2
16 15 14 13 12 11 10 9
C942
10
50V
0.1
IC905
C943
0.01
POWER CONTROL
IC905
BA9743AFV
IC B/D
1 2 3 4 5 6 7 8
28
R945 0(1.5)
47k 0(2.5)
Q917
R948
220k 2SA1576A
R953 DEAD TIME
22k
0
R958
(2.5)
R956
100k
47k
C970
0.47
C966
2.2
D925 D924
1SS355 1SS355
R968 10k
D907 RB501V-40
D915 D914
1SS355 1SS355
39 39
14 15 16 17
(Page 37)
16
MAIN
BOARD
(2/4)
IC901
+5V REGULATOR
IC901
XC6202P502PR
(5) O I (9)
1 G 3
2
C920
C978 C917
22
100
0.1
16V 25V
9 0(9)
Q901
2SB1694
C913 C914
IC902 4700 0.01
9
25V
(8.2)
R906
+9V REGULATOR 100k
IC902 Q901,904
XC6202P902FR MONITOR ON
SWITCH
R978 R908
O I 16.7 47k 22k
1 G 3
9(0.1)
0(0.7)
2
Q904
C923 R912
2SC4081-T106R
470 0.1 47k
10V
C915
4700
16V
Q911,914,919,923,924
+5V REGULATOR
Q911
2SD2396K
IC904
5 12.9
-1.2
+3.9V REGULATOR
R942
Q924
IC904 47 D916
XC6201P392PR 2SA1576A R975 DA204U
5.6 12.3
1K
5.6
3.9 5 11.6
O I
1 G 3
C982 R946
1 220
2 R974
5.7
1k
5.6 Q914
R951
2SA1576A
10k
0
2.7
0 Q919 0.7
2SC4081-T106R
C972 C974
470 0.01
10V
C981
Q923
22 DTC144EUA C976 R964
25V 0.01 4.7k
R966 2.2k
Q912
Q913,915,920-922
+6V REGULATOR 2SD2396K
6.2 12.9
-1.2
Q922 R943
D917
2SA1576A 47
R977 DA204U
6.7 12.3
1K
6.7
11.6
C980 R947 Q915
1
R976 6.7 220 2SA1576A
1k 6.7
R952
10k
0
2.7
Q920 0.7
0
2SC4081-T106R
C973
C975
470
0.01
10V
C979
Q921
22 DTC144EUA C977 R965
25V 0.01 4.7k
R967 2.2k
17 MAIN BOARD
(3/4)
(Page 38)
ICF-DVD57TV
18 19 20 21 22
TRANS BOARD
C903
0.1
D901
RBV-406H
2 C905
0.1
1 4
3
CN901 C902 C904
0.1 0.1
6P 6
C906
0.1
T901
POWER
F901 TRANSFORMER
D905 2.5A
1 1SS355 125V
D906
1SS355
R902
47k
F902
C916
C907 2.5A
0.01
0.1
125V
L901
C909 D902 L902
0.1 RBV-406H
2
C901
100p
1 4
C912
0.47
3
R901
1M 1/2W
C908 C910
0.1 0.1
C984
1000p
(SHIELD)
C985
100p
CN902
1P
(HINGE)
(AC IN)
D
TU
BOARD
(Page
33)