ICF-DVD57TV
39
39
ICF-DVD57TV
6-17. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
•
See page 47 for Waveforms.
•
See page 50 for IC Block Diagrams.
1
6
(HINGE)
(SHIELD)
CN902
1P
(1/4)
BOARD
12
MAIN
(3/4)
MAIN BOARD
17
(2/4)
MAIN
16
BOARD
26
24
25
27
IC B/D
28
D
BOARD
TU
(3.1)
(5.1)
16.7
(13.7)
16.7
(13.7)
16.7
(9.2)
16.2
(9.4)
16.7
(9.2)
O(5.1)
15.9
(9.2)
16.7
(16.6)
O(8.2)
16.7
(13.7)
16.7
(6.6)
16.2
(6.4)
16
(6.6)
16.7
(13.7)
0(2.5)
0(1.5)
0
(2.5)
(2.5)
(1.7)
(1)
(1.2)
(1.2)
(1.5)
(1.8)
(9.2)
(0)
(1.2)
(1.2)
(1.7)
(1.5)
(6.4)
(13.7)
0(2.5)
0(1.5)
0
(2.5)
16.7(13.7)
16.7(0)
0.4(13.7)
0(3.1)
0
0(2.5)
0
(2.5)
0(2.5)
0
0
(2.5)
3.9
5
16.7
9
(9)
(5)
9
0(9)
9
(8.2)
9(0.1)
0(0.7)
5
-1.2
0
5.6
12.9
5.6
11.6
5.6
5.7
2.7
-1.2
0
6.7
6.7
2.7
12.3
0
0.7
12.9
6.7
6.2
11.6
12.3
6.7
0.7
0
3.7
3.9
3.7
3.9
1
A
IC903
BA33BCOFP
1
2
3
C953
100
16V
C960
0.01
C959
0.01
C961
0.01
C952
220
16V
R939
22k
R926
10k
D925
1SS355
D924
1SS355
C951
2200
25V
L908
22
µ
H
R941
100k
R940
220k
R950
22k
C957
0.01
C950
470
25V
IC951
XC61CN3502NR
1
VOUT
2
VIN
3
NC
4
GND
IC905
BA9743AFV
1
CT
2
CR
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
L907
22
µ
H
D918
RB050L-40TE25
Q913
2SC4081-T106
Q918
2SA1576A
R949
47
C945
100p
R938
220
R957
220
C971
100p
R937
2.2k
C949
0.01
C946
470
25V
L906
22
µ
H
C947
0.1
R969
100k
TH901
L904
22
µ
H
C927
470
25V
C937
0.01
R929
47
D912
RB050L-40TE25
C931
0.01
C938
100p
C935
0.01
R917
10k
R918
220
L905
22
µ
H
R916
47k
C932
470
25V
C928
100p
R972
100k
R930
220
C983
0.1
L903
22
µ
H
R915
2.2k
R928
22k
R927
4.7k
IC952
XC61CN3502NR
1
VOUT
2
VIN
3
NC
4
GND
Q909
2SA1576A
Q907
Q907, 909
REGULATOR CONTROL
Q913, 918
REGULATOR CONTROL
2SC4081-T106
C933
2200
25V
TH902
D913
1SS355
R936
1k
R911
1k
D911
1SS355
F902
2.5A
125V
F903
3.5A
72V
F904
3.15A
72V
D907 RB501V-40
D908
RB501V-40
R910
1k
R945
47k
R948
220k
R953
22k
R958
100k
C970
0.47
C968
220p
C967
470p
R963
22k
R962
220k
R961
47k
R959
4.7k
R960
22k
C942
10
50V
R934
100k
R923
22k
R932
220k
R931
47k
C940
0.47
C939
2200p
Q902
2SC4081
R924
220k
C929
470p
R923
47k
R925
10k
C930
0.01
R922
47k
R921
220k
R920
100k
R914
47k
C925
0.01
R907
220
R913
47k
R909
22k
C919
1
Q903
2SA1576A
Q910
2SA1576A
Q906
DTC144EUA
Q905
DTA144EUA
Q917
2SA1576A
C966
2.2
R956
47k
R968 10k
D914
1SS355
D915
1SS355
C941
2.2
C943
0.01
R935
47k
R971
10k
D921
1SS355
C956
470p
10V
C965
0.01
Q921
DTC144EUA
Q912
2SD2396K
Q922
2SA1576A
Q920
2SC4081-T106R
Q915
2SA1576A
C979
22
25V
C973
470
10V
R976
1k
D903
1SS355
C980
1
R977
1K
R947
220
D923
MTZJ-T
-77-6.8B
C977
0.01
C975
0.01
R967 2.2k
R965
4.7k
R943
47
R952
10k
D917
DA204U
R955
10k
IC904
XC6201P392PR
1
2
3
C964
0.01
C955
220
16V
C972
470
10V
R964
4.7k
D922
MTZJ-T
-77-5.6B
D904
1SS355
Q919
2SC4081-T106R
D916
DA204U
Q914
2SA1576A
C954
470
10V
C962
0.01
R975
1K
R966 2.2k
R954
10k
R951
10k
Q924
2SA1576A
C974
0.01
C982
1
R942
47
Q923
DTC144EUA
Q911
2SD2396K
R974
1k
D920
1SS355
C981
22
25V
C976
0.01
R946
220
D919
1SS355
C936
0.1
IC901
XC6202P502PR
1
2
3
IC902
XC6202P902FR
1
2
3
C924
0.1
C921
470
10V
Q901
2SB1694
Q904
2SC4081-T106R
R906
100k
R908
22k
R978
47k
C922
100p
C923
0.1
R912
47k
C918
0.1
C978
100
16V
C920
22
25V
C917
0.1
C914
0.01
C913
4700
25V
C916
0.01
C915
4700
16V
T901
R901
1M 1/2W
C912
0.47
100k
R903
C908
0.1
C910
0.1
C909
0.1
C911
0.1
D905
1SS355
D906
1SS355
C907
0.1
C906
0.1
R902
47k
C904
0.1
C905
0.1
C903
0.1
C902
0.1
F901
2.5A
125V
L901
L902
C901
100p
C984
1000p
C985
100p
9
H
E
19
10
14
C
16
D
I
11
6
5
F
15
7
12
J
17
G
2
3
B
4
18
20
13
8
21
22
D04
D06
Q916
IC951
IC903
IC952
Q908
D11
D02
D05
POWER CONTROL
IC905
D24
D15
D26
D10
D23
D12
IC904
+3.9V REGULATOR
D27
6P
CN901
IC902
IC901
MAIN BOARD
(4/4)
D22
D03
TRANS BOARD
D901
RBV-406H
RBV-406H
D902
D13
G
O
I
REGULATOR
TCP6102
SWITCHING
REGULATOR
+3.3V
REGULATOR
SWITCHING
TCP6102
TEMPERTURE
DETECT
DETECT
TEMPERTURE
DEAD TIME
Q905,906
MONITOR ON
SWITCH
SWITCHING
DEAD TIME
SWITCH
MONITOR ON
Q901,904
+9V REGULATOR
+5V REGULATOR
+5V REGULATOR
Q911,914,919,923,924
Q913,915,920-922
+6V REGULATOR
POWER
TRANSFORMER
(AC IN)
D21
D19
4
3
1
2
6
5
1
2
6
5
S
4
S
3
2
1
3
4
2
4
3
1
G
O
I
G
O
I
G
O
I
C948
2200p
(Page
36)
(Page 37)
(Page
33)
(Page 38)