Read Sony STR-DA2400ES / STR-DG920 (serv.man4) Service Manual online
STR-DA2400ES/DG920
STR-DA2400ES/DG920
12
12
2-10. SCHEMATIC DIAGRAM - ACLASS Board -
CN401
MAIN
BOARD
(3/3)
CE
CN401
MAIN
BOARD
(3/3)
CJ
CN501
MAIN
BOARD
(3/3)
CA
CN501
MAIN
BOARD
(3/3)
CF
CN671
MAIN
BOARD
(3/3)
CD
CN671
MAIN
BOARD
(3/3)
CH
CN601
MAIN
BOARD
(3/3)
CB
CN601
MAIN
BOARD
(3/3)
CG
3
-1.1
-43.5
-44.9
-44.9
45.1
45.1
0.1
0.1
3
-1.1
-1.1
-43.5
-44.9
-44.9
45.1
45.1
0.1
0.1
0
0
3
-1.1
-1.1
-43.5
-44.9
-44.9
45.1
45.1
0.1
0.1
0
0
3
-1.1
-1.1
-43.5
-44.9
-44.9
45.1
6.3
-5.6
-4.3
-7
45.1
0.1
0.1
0
0
-44.4
6.3
0
6.9
1.7
0.8
4.3
3.8
3.8
0
5
-44.9
-44.9
-44.1
6.9
6.9
-43.5
1.3
0
0.7
4.3
-44.9
7
7
-44.9
0
0
0
3.3
6.8
5
7
-5.6
2.1
0
5.9
68k
R712
68k
R565
1k
R711
+VOUT1
MUTE
COMP1
COMP2
-VOUT1
NF1
IN1
GND
IN2
NF2
-VOUT2
+VOUT2
VCC
VCC
VEE
68k
R715
2.2k
R516
100p
C713
500V
3p
C715
100p
C712
500V
3p
C515
2.2k
R566
68k
R515
500V
3p
C545
68k
R562
68k
R512
100p
C562
100p
C512
1k
R511
2.2k
R716
3.3k
1/3W
R1952
3.3k
1/3W
R1945
1k
R561
1k
R611
500V
3p
C665
100p
C662
2.2k
R616
68k
R665
500V
3p
C615
68k
R612
100p
C612
68k
R615
68k
R662
1k
R661
2.2k
R666
68k
R462
68k
R415
68k
R465
1k
R461
2.2k
R466
68k
R412
100p
C412
100p
C413
2.2k
R416
100p
C462
1k
R411
100p
C463
500V
3p
C415
JL1652
JL1650
1
3
4
5
5P
CN1909
+7V
GND
2
NC
TEMP1
TEMP2
JL1649
JL1651
I
O
G
1
2
3
JL1653
JL1654
JL1655
JL1656
JL1657
JL1659
JL1660
JL1661
JL1662
JL1663
JL1664
JL1665
JL1666
JL1667
JL1668
JL1669
JL1670
JL1671
JL1672
JL1673
JL1674
JL1675
JL1676
JL1677
JL1678
JL1679
JL1680
JL1682
JL1683
JL1684
JL1687
JL1688
JL1690
JL1691
JL1692
JL1693
JL1685
JL1681
JL1689
JL1686
R1927
10k
R1921
47p
C1908
MA2J1110GLS0
D1907
MA2J1110GLS0
D1911
MA2J1110GLS0
D1903
MA2J1110GLS0
D1901
MA2J1110GLS0
D1902
MA2J1110GLS0
D1905
1SS367-T3SONY
D1912
4
3
2
1
VSS
VDD
13P
CN711
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN511
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN611
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN411
JL1694
JL1695
JL1696
JL1697
JL1698
0.1
C1907
0.1
C1912
22k
R1901
22k
R1902
10k
R1930
2.2k
R1937
R1933
47k
12k
R1916
22k
R1914
22k
R1915
470k
R1917
47k
R1918
10k
R1919
3.3k
R1922
0
R1961
10k
R1932
33k
R1909
100k
R1549
100k
R1907
1k
R1920
1k
R1931
16V
100
C1914
10V
220
C1911
50V
10
C711
50V
10
C611
50V
10
C661
50V
10
C411
50V
10
C461
50V
10
C511
50V
10
C561
10V
220
C516
10V
220
C616
10V
220
C416
10V
220
C716
10V
220
C566
10V
220
C666
10V
220
C466
C403
C603
C503
C703
C732
0.1
C1915
0.1
C1916
C733
R1910
330k
C714
C414
C464
ACLASS BOARD
C_IN
AUDIO_GND
+V_C
-V_C
NF_C
TEMP 4/8
GND_ACLASS
GND_ACLASS
GND_ACLASS
+B_ACLASS
+B_ACLASS
-B_ACLASS
-B_ACLASS
1
2
3
4
5
6
7
8
9
10
11
12
13
IC700
POWER AMP
POWER AMP
POWER AMP
POWER AMP
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
UPC2581V-S
IC700
R1938
10k
R1959
10
R1960
10
2W
2W
10k
R700
IC500
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
IN1
IN2
+VOUT1
MUTE
-VOUT1
COMP1
COMP2
NF1
GND
NF2
-VOUT2
+VOUT2
VCC
VCC
VEE
UPC2581V-S
IC500
10k
R500
10k
R1939
IC600
10k
R600
R1940
10k
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
+VOUT1
MUTE
COMP1
COMP2
-VOUT1
NF1
IN1
GND
IN2
NF2
-VOUT2
+VOUT2
VCC
VCC
VEE
UPC2581V-S
IC600
4/8
AUDIO_GND
L_IN
AUDIO_GND
AUDIO_GND
R_IN
AUDIO_GND
NF_SL
-V_SL
+V_SL
+V_L
-V_L
NF_L
SL_IN
AUDIO_GND
SR_IN
AUDIO_GND
+V_SR
-V_SR
NF_SR
+7V
-7V
GND
NF_R
+V_R
-V_R
IC400
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
+VOUT1
MUTE
COMP1
COMP2
-VOUT1
NF1
IN1
GND
IN2
NF2
-VOUT2
+VOUT2
VCC
VCC
VEE
UPC2581V-S
IC400
10k
R400
10k
R1941
500V
3p
C465
SBL_IN
AUDIO_GND
SBR_IN
AUDIO_GND
+V_SBR
-V_SBR
NF_SBR
-V_SBL
+V_SBL
NF_SBL
LIM_CONTROL
4/8_RY
PROTECTOR
10k
R1924
+5V REGULATOR
IC1904
LIMITER
IC1902
4
3
2
1
5
6
7
8
NJM4565M(TE2)
IC1902
Q1912, 1913
LIMITER
DETECT
Q1910, 1911
LIMITER
DETECT
DTC124EKA-T146
Q1912
DTC124EKA-T146
Q1913
DTC124EKA-T146
Q1911
DTC143TKA-T146
Q1910
8
7
6
5
VCC
VEE
2SA1163L-TE85L
Q1901
DTC124EKA-T146
Q1914
Q1901, 1914
LIMITER CONTROL
NJM4565M(TE2)
IC1901
OVER LOAD DETECT
IC1901
2SA1163L-TE85L
Q1907
2SD774-T-34
Q1902
LIMITER SWITCH
2SD774-T-34
Q1903
DTC124EKA-T146
Q1908
2W
330
R1905
1W
3.3k
R1934
10k
R1906
10k
R1943
10k
R1904
10k
R1942
R1908
33 2W (DA2400ES: US, CND, BR/DG920)
68 2W (DA2400ES: AEP, ECE, UK, TW)
R1921
20k (DA2400ES: AEP, ECE, UK, TW)
22k (DA2400ES: US, CND, BR/DG920)
(DA2400ES: AEP, ECE, UK, TW)
(DA2400ES: AEP, ECE, UK, TW)
(DA2400ES: AEP, ECE, UK)
(DA2400ES: AEP, ECE, UK)
(DA2400ES: AEP, ECE, UK)
R1925
24k
C514
100p
C513
100p
C563
C564
IC1904
PQ050ES1MXPQ
J
4
B
16
6
9
11
D
15
H
10
K
17
3
5
12
C
F
18
1
E
8
G
14
A
2
13
I
7
C614
100p
C613
100p
C656
C655
LIMITER SWITCH
Q1907, 1908
LIMITER CONTROL
C503
10 50V (DA2400ES: AEP, ECE, UK, TW)
10 100V (DA2400ES: US, CND, BR/DG920)
C703
10 50V (DA2400ES: AEP, ECE, UK, TW)
10 100V (DA2400ES: US, CND, BR/DG920)
C403, 603
10 50V (DA2400ES: AEP, ECE, UK, TW)
10 100V (DA2400ES: US, CND, BR/DG920)
JW008
JW009
(DA2400ES: AEP, ECE, UK)
(DA2400ES: US, CND, BR, TW/DG920)
(DA2400ES: US, CND, BR, TW/DG920)
JW001
100V
0.22
C668
100V
0.22
C667
C732, 733
22 100V (DA2400ES: US, CND, BR, TW/DG920)
100 100V (DA2400ES: AEP, ECE, UK)
50V
4.7
C1917
(DA2400ES: AEP, ECE, UK)
JW002
JW003
JW004
JW006
JW007
JW005
3.3k
1/3W
R1954
3.3k
1/3W
R1947
3.3k
1/3W
R1953
3.3k
1/3W
R1946
C514, 564, 714
22p 500V (DA2400ES: AEP, ECE, UK)
33p 500V (DA2400ES: US, CND, BR, TW/DG920)
(DA2400ES: AEP, ECE, UK)
3.3k
3.3k
1/3W
1/3W
3.3k
1/3W
R1948
3.3k
1/3W
R1955
3.3k
1/3W
R1951
3.3k
1/3W
R1957
3.3k
1/3W
R1950
3.3k
1/3W
R1958
R1949
R1956
DA2400ES: US,
CND, BR, TW/DG920
Refer to page
61 on original
61 on original
service manual
C414, 464, 614, 655
22p 500V (DA2400ES: AEP, ECE, UK)
33p 500V (DA2400ES: US, CND, BR, TW/DG920)
(DA2400ES: US, CND, BR, TW/DG920)
DA2400ES: US,
CND, BR,
TW/DG920
(DA2400ES: AEP, ECE, UK)
DA2400ES: US,
CND, BR, TW/DG920
DA2400ES: US,
CND, BR, TW/DG920
0
R1935
BOARD
AH
LIMITER
CN1902
DA2400ES: US,
CND, BR, TW/DG920
(TYPE-14)
(TYPE-NEW11)
(TYPE-14)
(TYPE-NEW11)
(TYPE-14)
(TYPE-NEW11)
(TYPE-14)
(TYPE-NEW11)
0
R1963
(Page 6)
(Page 10)
(Page 6)
(Page 10)
(Page 6)
(Page 10)
(Page 6)
(Page 10)
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