Read Sony STR-DA2400ES / STR-DG920 (serv.man4) Service Manual online
STR-DA2400ES/DG920
STR-DA2400ES/DG920
6
6
2-4. SCHEMATIC DIAGRAM - MAIN Board (3/3) (Type-14) -
(1/3)
20
MAIN
BOARD
(2/3)
23
MAIN
BOARD
MAIN
CN604
BOARD
(2/3)
W1
CN711
ACLASS
BOARD
CE
CN511
ACLASS
BOARD
CD
CN611
ACLASS
BOARD
CB
ACLASS
BOARD
CN411
CA
0
0.3
0
0.3
0
0.3
0
0.3
0
0.3
0
0.3
0
-0.1
0.3
-0.1
-1.1
-1.1
-44.4
0
-0.1
-44.4
0
-0.1
-44.4
0
-0.1
-44.4
0
-0.1
-44.4
0
-0.1
-44.4
0
-0.1
-44.4
0
0
-0.6
0.5
-1.1
-0.6
0.5
-1.1
-0.6
0.5
-1.1
-0.6
0.5
0.5
1.1
-1.1
0.5
1.2
-1.1
0.5
1.2
-1.1
0.5
1.2
-1.1
-0.6
0.5
-1.1
0.5
1.2
-1.1
-0.6
0.5
-1.1
0.5
1.1
-1.1
-0.6
0.5
-1.1
0.5
1.1
0
-0.1
0
0
-0.1
0
0
-0.1
0
0
-0.1
0
0
-0.1
0
0
-0.1
0
0
1.1
45.4
0
1.1
45.4
0
1.2
45.4
0
1.2
45.4
0
1.2
45.4
0
1.2
45.4
0
1.1
45.4
0
0
-45.4
-1.1
0
-45.4
-1.1
0
-45.4
-1.1
0
-45.4
-1.1
0
-45.4
-1.1
0
-45.4
-1.1
0
-45.4
-1.1
BIAS ALIGNMENT
RV400, 470, 500, 570, 600, 670, 700
E
1
2
3
B
C
E
2.2k
R472
4.7k
R477
6.2k
R476
C471
25V
47
1.5k
R479
15k
R483
68k
R480
47k
R487
47k
R437
10
R681
0.022
C681
1
2
3
B
C
E
68k
R680
15k
R683
C671
25V
47
6.2k
R676
2.2k
R672
1.5k
R679
4.7k
R677
15k
R633
47k
R637
10
R631
0.022
C631
68k
R530
1
2
3
B
C
E
47k
R537
6.2k
R526
C521
25V
47
1.5k
R529
2.2k
R522
4.7k
R527
6.2k
R576
C571
25V
47
15k
R583
4.7k
R577
1.5k
R579
1
2
3
B
C
E
47k
R587
68k
R580
15k
R496
15k
R484
0.01
C476
50V
10
C477
0.01
C426
22k
R432
15k
R446
50V
10
C427
15k
R434
22k
R682
0.01
C676
15k
R696
50V
10
C677
15k
R684
4.
7
R689
47k
R687
0.01
C626
15k
R646
50V
10
C627
15k
R634
4.
7
R639
0.01
C526
22k
R532
15k
R546
50V
10
C527
15k
R534
0.01
C576
22k
R582
15k
R596
50V
10
C577
15k
R584
15k
R533
22k
R482
15k
R433
22k
R632
2.2k
R572
1
2
3
B
C
E
C
E
C771
25V
47
68k
R730
6.2k
R726
15k
R746
1.5k
R729
0.01
C726
47k
R737
15k
R733
50V
10
C727
4.7k
R727
22k
R732
15k
R734
68k
R430
2.2k
R422
1.5k
R429
1
2
3
B
C
E
E
C421
25V
47
1
2
3
B
C
E
2.2k
R622
4.7k
R627
C621
25V
47
68k
R630
1.5k
R629
6.2k
R626
220
RV700
2.2k
R722
220
RV570
220
RV500
220
RV600
220
RV670
220
RV400
220
RV470
MA2J1
110GLS0
D476
MA2J1110GLS0
D475
MA2J1110GLS0
D425
MA2J1
110GLS0
D426
MA2J1110GLS0
D675
MA2J1
110GLS0
D676
MA2J1110GLS0
D625
MA2J1
110GLS0
D646
MA2J1110GLS0
D525
MA2J1
110GLS0
D526
MA2J1110GLS0
D575
MA2J1
110GLS0
D576
MA2J1110GLS0
D725
MA2J1
110GLS0
D726
82k
R471
JS470
82k
R421
82k
R671
JS400
JS670
82k
R621
JS600
82k
R521
JS500
82k
R571
JS570
82k
R721
JS700
500V
C473
33p
500V
33p
C474
500V
C429
33p
500V
33p
C424
500V
C673
33p
500V
33p
C674
500V
C623
33p
500V
33p
C624
500V
C523
33p
500V
33p
C524
500V
C573
33p
500V
33p
C574
500V
C723
33p
500V
33p
C724
220k
R499
220k
R449
220k
R699
220k
R649
220k
R549
220k
R599
220k
R799
13P
CN401
13P
CN671
13P
CN601
13P
CN501
220p
C475
220p
C525
220p
C575
220p
C625
220p
C675
220p
C725
47k
R485
47k
R435
47k
R685
47k
R635
47k
R535
R585
47k
R735
47k
R736
22k
R586
22k
22k
R536
22k
R636
22k
R686
22k
R436
22k
R486
1
2
2P
CN4016
FL_+V
FL_-
V
1
2
2P
CN4017
C_+V
C_-
V
1
2
2P
CN4018
SBL_+V
SBL_-
V
1
2
2P
CN4019
FR_+V
FR_-
V
1
2
2P
CN4020
SR_+V
SR_-
V
1
2
2P
CN4021
SL_+V
SL_-V
1
2
2P
CN4022
SBR_+V
SBR_-
V
109
97
106
95
92
108
96
101
94
107
103
102
110
104
91
105
99
98
100
93
2SC3052EF-T1-LEF
AF POWER SENSOR
Q477
2SC3052EF-T1-LEF
AF POWER SENSOR
Q427
2SC3052EF-T1-LEF
AF POWER SENSOR
Q677
2SC3052EF-T1-LEF
AF POWER SENSOR
Q627
2SC3052EF-T1-LEF
AF POWER SENSOR
AF POWER SENSOR
AF POWER SENSOR
Q527
2SC3052EF-T1-LEF
Q577
2SC3052EF-T1-LEF
Q727
2SA1163L-TE85L
Q726
2SA1163L-TE85L
Q725
CURRENT DETECT
Q725, 726
CURRENT DETECT
Q575, 576
CURRENT DETECT
Q525, 530
CURRENT DETECT
Q625, 626
CURRENT DETECT
Q675, 676
CURRENT DETECT
Q425, 426
CURRENT DETECT
Q475, 476
2SA1163L-TE85L
Q576
2SA1163L-TE85L
Q575
2SA1163L-TE85L
Q530
2SA1163L-TE85L
Q525
2SA1163L-TE85L
Q626
2SA1163L-TE85L
Q625
2SA1163L-TE85L
Q676
2SA1163L-TE85L
Q675
2SA1163L-TE85L
Q426
2SA1163L-TE85L
Q425
2SA1163L-TE85L
Q476
2SA1163L-TE85L
Q475
1
2
3
B
C
MN2488-OPY-MK
Q473
1
2
3
B
C
MN2488-OPY-MK
Q423
MP1620-OPY-MK
Q424
MP1620-OPY-MK
Q474
MN2488-OPY-MK
Q673
1
2
3
B
C
E
MP1620-OPY-MK
Q674
MN2488-OPY-MK
Q623
1
2
3
B
C
E
MP1620-OPY-MK
Q624
MN2488-OPY-MK
Q523
1
2
3
B
C
E
MP1620-OPY-MK
Q524
MN2488-OPY-MK
Q573
1
2
3
B
C
E
MP1620-OPY-MK
Q574
MN2488-OPY-MK
Q723
1
2
3
B
MP1620-OPY-MK
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
Q724
2SC3623ATP-LK
Q722
2SA1115TP-EF
Q721
BIAS
Q721, 722
BIAS
Q571, 572
BIAS
Q521, 522
BIAS
Q621, 622
BIAS
Q671, 672
BIAS
Q421, 422
R420, 470, 520, 570, 620, 670, 720
470 (DA2400ES: AEP, ECE, UK)
560 (DA2400ES: US, CND, BR, TW/DG920)
BIAS
Q471, 472
2SC3623ATP-LK
Q572
2SA1115TP-EF
Q571
2SC3623ATP-LK
Q522
2SA1115TP-EF
Q521
2SC3623ATP-LK
Q622
2SA1115TP-EF
Q621
2SC3623ATP-LK
Q672
2SA1115TP-EF
Q671
2SC3623ATP-LK
Q422
2SA1115TP-EF
Q421
2SC3623ATP-LK
Q472
2SA1115TP-EF
Q471
1
2
3
4
5
6
7
8
9
10
11
12
13
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
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
1
2
3
4
5
6
7
8
9
10
11
12
13
SL_IN
AUDIO_GND
SR_IN
AUDIO_GND
+V_SR
-v_SR
NF_SR
+7V
-7V
GND
NF_R
+V_R
-V_R
1
2
3
4
5
6
7
8
9
10
11
12
13
SBL_IN
AUDIO_GND
SBR_IN
AUDIO_GND
+V_SBR
-V_SBR
NF_SBR
-V_SBL
+V_SBL
NF_SBL
LIM_CONTROL
4/8_R
Y
PROTECT
OR
100
R725
R720
0.22
5W
R728
100
R723
100
R575
0.22
5W
R578
100
R573
R570
100
R525
0.22
5W
R528
100
R523
R520
100
R625
0.22
5W
R616
100
R623
R620
100
R675
0.22
5W
R678
100
R673
R670
100
R425
0.22
5W
R428
100
R423
R420
100
R475
0.22
5W
R478
100
R473
R470
L651
220p
C425
4.7k
R427
6.2k
R426
L601
MAIN BOARD (3/3)
W450
W400
W650
W600
W500
W550
W700
W700
W650
SBL
W500
W550
W400
W600
W450
SBR
SR
SL
C
R-CH
L-CH
(DA2400ES: AEP, ECE, UK)
(DA2400ES: US, CND, BR,
TW/DG920)
(DA2400ES:
AEP
, ECE, UK)
(DA2400ES: US, CND, BR,
TW/DG920)
(DA2400ES:
AEP
, ECE, UK)
(DA2400ES: US, CND, BR,
TW/DG920)
(DA2400ES:
AEP
, ECE, UK)
(DA2400ES: US, CND, BR,
TW/DG920)
(DA2400ES:
AEP
, ECE, UK)
(DA2400ES: US, CND, BR,
TW/DG920)
(DA2400ES:
AEP
, ECE, UK)
(DA2400ES: US, CND, BR,
TW/DG920)
(DA2400ES:
AEP
, ECE, UK)
(DA2400ES: US, CND, BR,
TW/DG920)
(DA2400ES:
AEP
, ECE, UK)
J
4
B
16
6
21
9
11
D
N
15
H
L
10
K
17
3
5
12
C
F
18
M
1
19
E
8
G
20
14
A
2
13
I
7
6
7
8
1
2
3
4
3
4
5
6
1
2
5
FOR BIAS
RESISTOR CHECK
FOR BIAS
RESISTOR CHECK
JS234
JS220
(DA2400ES: AEP, ECE, UK)
(DA2400ES: US, CND, BR, TW/DG920)
1
R234
1
R220
Refer to page
69 on original
69 on original
service manual
Refer to page
18 on
supplement-1
Refer to page
29 on
supplement-2
SURR SPEAKER
CN1502
BOARD
AC
CN6103
A-CLASS
SUPPORT A
BOARD
BA
Refer to page
63 on original
63 on original
service manual
CN6101
A-CLASS
SUPPORT B
BOARD
BB
Refer to page
63 on original
63 on original
service manual
(Page 5)
(Page 4)
(Page 5)
(Page 12)
(Page 12)
(Page 12)
(Page 12)
Click on the first or last page to see other STR-DA2400ES / STR-DG920 (serv.man4) service manuals if exist.