Read Sony STR-DA4300ES Service Manual online
109
109
STR-DA4300ES
STR-DA4300ES
6-85. SCHEMATIC DIAGRAM – AC Board –
(Page 105)
(Page 39)
BOARD
CN1
BQ
POW SW
BOARD
(4/4)
AW
MAIN
CN1004
DC-DC
BS
CX1402
BOARD
(4/4)
AQ
MAIN
BOARD
(4/4)
AS
MAIN
BOARD
CN1002
CN1001
5.1
11.1
0.5
0.6
0.8
0
5.6
0
14.5
0
15.6
11.1
14.5
25V
2200
C53
25V
2200
250V
0.01
C59
0.1
C58
470p
C54
4700p
C55
0.056
C56
680
R61
2.2k
R54
3.3k
R52
10k
R51
10k
R55
10k
R59
22k
R53
4.7
R60
E
EE51
RY01
1
2
2P
CNP53
1SS355WTE-17
D56
1SS355WTE-17
D57
1SS355WTE-17
D58
2SB734-T-34
Q54
1
3
4
5
6
6P
CNP54
+12V
GND
STB+5V
STOP
POW-RY
25V
470
C57
50V
10
C51
1
3
5
5P
CNP02
L
CEL(N)
UC/J/CEK(N)
1
3
3P
CNP51
L
N
10EDB40-TB5
D51
10EDB40-TB5
D54
10EDB40-TB5
D52
10EDB40-TB5
D55
10EDB40-TB5
D53
UDZSTE-176.2B
D61
2SC3052EF-T1-LEF
Q51
2SC3052EF-T1-LEF
Q52
RT1N241C-TP-1
Q53
RT1N241C-TP-1
Q55
10
9
3
2
11
1
4
5
8
7
6
3.3k
R58
VCC
GND
OUT
BA05T
IC51
AC BOARD
+5V REGULATOR
IC51
(CHASSIS)
AC DETECT
RELAY DRIVE
C52
Q53,55
POWER SWITCHING
B+ SWITCH
L2
L1
JW005
JW003
JW004
F001
8A 125V
T002
SUB POWER
TRANSFORMER
R001
3.3M
1/2W
(CHASSIS)
EB02
~AC IN
A
10
1
2
B
11
C
7
8
F
9
6
4
3
G
D
5
E
12
J01
MAIN POWER
TRANSFORMER
T001
3
2
1
(Page 107)
(Page 39)
(Page 39)
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