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STR-DA1ES/DB780
32
32
5-19. SCHEMATIC DIAGRAM – MAIN Board (2/3) –
•
See page 45 for IC Block Diagram.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
CN801
R837
CN803
CN802
CN813
CN811
R847
R848
Q823
Q807
C562
C561
CN602
JW657
C557
C506
C556
C510
C560
C508
R511
C509
R510
C558
R561
C559
R560
C505
R
5
09
C
5
55
R
5
59
C410
C460
C406
C456
C408
R411
C409
R410
C458
R461
C459
R460
C
810
Q795
D796
R797
R796
R790
R792
C801
C815
D815
C814
C608
R610
C606
JW655
D809
D811
D814
RY803
RY806
C405
R
409
R
4
5
9
C
4
5
5
C454
R458
C403
R408
C604
R608
R607
IC603
IC503
R507
R407
CN504
CN812
CN404 CN604
CN500
CN550
R514
C514
C515
C511
C512
C411
CN600
CN450
CN400
IC802
IC801
R795
C809
GP801
R812
R816
R818
R814
Q809
C657
C564
C565
R564
C461
R464
C462
C464
C465
R825
CN502
CN552
CN402
CN452
CN403
C610
C615
C
61
4
R614
C612
C611
CN809
C412
CN804
RY801
C507
Q791
Q790
R791
R612
R463
R613
R617
R616
R467
R417
R412
R413
R462
R563
R466
R567
R562
R517
R512
R513
R820
R822
R849
L601
L451
L501
L401
C414
C415
R414
R516
R416
R566
R824
JW653 JW652
JW654
C603
IC403
R508
R558 C554
L551
R828
Q824
C802
D790
D791
C795
C790
C404
C504
C503
TM501
CN603
JW656
C
6
07
Q552
Q502
Q452
Q402
Q602
Q603
Q453
Q403
Q553
Q503
R611
C
60
9
JW651
C605
R609
5P
10k
4P
3P
2P
3P
2.2k
10k
2SC2785TP-
2SC2785TP-
22p
500V
22p
500V
1P
100p
33p
500V
33p
500V
100p
100p
4p
500V
68k
220
10V
2.7k
4p
500V
68k
220
10V
2.7k
220p
68
k
22
0
p
6
8k
100p
100p
33p
500V
33p
500V
4p
500V
68k
220
10V
2.7k
4p
500V
68k
220
10V
2.7k
22
100
V
2SB1565
1SS133
470
4.7k
10
470
470
25V
100
16V
HZS6B2
100
16V
4p
500V
2.7k
33p
500V
1SS133
1SS133
1SS133
220p
68k
68k
22
0p
22
50V
1k
10
50V
1k
22
50V
1k
22k
22k
22k
1P
1P
2P
2P
7P
7P
0.22X2
5W
0.047
0.1
22p
500V
22p
500V
22p
500V
7P
7P
7P
M5F7915L
M5F7815L
10
22
100V
2.2k
10k
10k
2.2k
2SC2785TP-
100p
0.047
0.1
0.22X2
5W
22p
500V
0.22X2
5W
22p
500V
0.047
0.1
470
1W
1P
1P
1P
1P
4P
100p
0.1
0
.0
4
7
0.22X2
5W
22p
500V
22p
500V
6P
22p
500V
7P
100p
2SC1841
2SD2396
4.7k
1W
100
100
100
10
10
10
10
100
100
100
100
10
10
100
10
100
100
10
10
10
0.047
0.1
0.22X2
5W
10
10
10
470
1W
10
50V
1k
1k
22
50V
4.7k
2SC1815YGR
470
25V
1SS133
22 50V
22 50V
10 50V
1P
1
00
p
MN2488
MN2488
MN2488
MN2488
MN2488
MP1620
MP1620
MP1620
MP1620
MP1620
68k
220
1
0V
220p
68k
A1
A2
A3
A4
A5
C
1
C2
C3
K
1
K
2
K
3
K
4
K
5
K
6
K
1
K
2
K
3
K
4
K
5
K
6
J
1
J2
J3
J4
J5
J1
J2
J3
J4
J5
J6
J6
L1
L
2
L
3
L1
L
2
L3
P
R
O
H
P
CO
N
T
H
P
R
Y
R
EA
R
R
Y
S
B
R
Y
C
SR
SL
R
L
∗
∗
∗
RY GND
GND
-24V
24V(RY)
FL GND
+B
-B
L
GND
GND
R
R
L
HP-CONT
CONT-GND
GND
V GND
V GND
D GND
D GND
S
P
O
U
T
B
IA
S
+
B
IA
S
+
B
IA
S
-
B
IA
S
-
+P
T
rE
-P
T
rE
S
P
O
U
T
B
IA
S
+
B
IA
S
+
B
IA
S
-
B
IA
S
-
+
P
T
rE
-P
T
rE
S
P
O
U
T
B
IA
S
+
B
IA
S
+
B
IA
S
-
B
IA
S
-
+
P
T
rE
-P
T
rE
S
P
O
U
T
B
IA
S
+
B
IA
S
+
B
IA
S
-
B
IA
S
-
+
P
T
rE
-P
T
rE
S
P
O
U
T
B
IA
S
+
B
IA
S
+
B
IA
S
-
B
IA
S
-
+
P
T
rE
-P
T
rE
-B
G
N
D
+1
5
V
-1
5
V
P
R
O
T
E
C
T
L
IM
ITE
R
D GND
(CHASSIS)
(CHASSIS)
+
V
E
O
U
T
-V
E
O
U
T
N
F
IN
P
U
T
G
N
D
IN
P
U
T
N
F
-V
E
O
U
T
+
V
E
O
U
T
V
EE
C
C
M
U
T
E
V
C
C
1
V
C
C
2
+
V
E
O
U
T
-V
E
O
U
T
N
F
IN
P
U
T
G
N
D
IN
P
U
T
N
F
-V
EO
U
T
+
V
E
O
U
T
V
E
E
C
C
V
C
C
1
V
C
C
2
+
V
E
O
U
T
-V
E
O
U
T
N
F
IN
P
U
T
G
N
D
IN
P
U
T
N
F
-V
EO
U
T
+
V
EO
U
T
V
E
E
C
C
M
U
T
E
V
C
C
2
V
C
C
1
(2/3)
GND
USE 6-16
Ω
SPEAKERS IMPEDANCE
CENTER
SURROUND
L
R
B GND
+24V
∗
D790
LIMITER SWITCH
SWITCH
LIMITER
I
G
O
+15V REGULATOR
I
G
O
-15V REGULATOR
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
-1
-2
RELAY DRIVE
-1
-2
RELAY DRIVE
-1
-2
RELAY DRIVE
POWER AMP
POWER AMP
POWER AMP
REGULATOR
+5V
LIMITER SWITCH
∗
C790,795
22 100V
100 100V
(DA1ES)
MTZJ-T-72-20A
MTZJ-T-72-24A (DB780)
(DA1ES)
(DB780)
µ
PC2581V
µ
PC2581V
µ
PC2581V
(Page 31)
(Page 33)
(Page 35)
(Page35)
(Page 35)
(Page 35)
(Page 33)
(Page 43)
(Page 27)
(Page 43)
(Page37)
(Page 22)
(Page 37)
(Page 35)
(Page 35)
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