1
2
3
CN501
3P/3.95
+
AC
AC
-
DB501
KBL808G
C561
4700uf/
35v
C560
4700uf/
35v
C558
220uf/35v
~16.8V-1
~16.8V-2
F501
F4AL250V
F502
F4AL250V
+12V
3C:4AL250V
3C:4AL250V
Q506
BUK7535-55A
Q503
BC857B
Q505
BC857B
R520
10k
R517
47K
R528
4.7K
R522
10K
-28v
R516
680
R518
10K
R531
330
Q504
BC847B
R521
2.7K
+28v
ECO POWER/STBY
DZ503
BZX79-B22V
DZ502
BZX79-B22V
R514
680
R534
330
R533
47K
R525
47K
R529
4.7K
Q501
BC847B
Q502
8550
R524
22 1/2W
R512
47K
C566
22uf/25v
C559
104P
Q507
BUK7535-55A
R537
22K
Q508
9014
MUTE
-Vcc
+Vcc
SW-IN
C579
47uf/16v
R523
10K
R508
8.2K*
R503
2.2K
R502
1k
R506
10K
C505
683M
C501
102p
R501
1M
R510
2.2K
Q509
9014
C502
1uf/50V
C507
473M
C506
334M
R509
240K
+VCC
C503
100uf/16v
R505
1K
+12V
R507
8.2K*
C508
473M
C509
10uf/25v
C513
104p
C511
104p
C512
220uf/25v
C510
220uf/25v
R511
2.2K
-VCC
C516
470uf/35v
R513
2.2/0.25W
VF1
VF2
D502 4001
R515
2.2/0.25W
1
2
3
4
5
6
7
CN502
7P/2.5
C517
470uf/35v
D503
4001
D504
4001
D505
4001
C525
104p
C531
104p
16.5v2
16.5v1
LED501
POWER
R536
1K
+12V
1
2
3
CN505
3P/2.0
1
2
CN506
2P/2.0
-Vs
1
-Vs
6
11
GND
9
+V
s
3
ST
BY
5
7
2
10
8
4
IC503
TDA7265
R559
36K
R557
560
R556
560
R555
36K
R554
4.7/0.25
R558
4.7/0.25
C524
562(M)
C523
104(M)
C526
104(M)
C522
4.7uf/25v
L502
2uH
L501
2uH
MUTE1
+Vcc
OUT2
OUT1
1
2
CN507
3P/2.0
C527
104p
+VCC
Q510
9014
R539
6.8K
R540
47K
D501
4148
R538
4.7K
R541
2.2K
R544
10K
MUTE
R-SP
L-SP
VF1
VF2
-28V
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN503
VGV-15P
16.5v2
16.5v1
GND
L
CPU+VCC
ECO POWER/STBY
R
GND
GND
MUTE2-1
R-SP-1
L-SP-1
VF1-1
VF2-1
-28V-1
AGND1-1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN602
VGV-15P
~16.5v2-1
~16.5v1-1
AGND2-1
L-1
CPU+VCC-1
ECO POWER/STBY
R-1
GND1-1
GND-1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN601
VGV-15P
CPU
+
VCC
GND
OUTPUT1
1
+V
s
2
OUTPUT2
3
MUTE
4
-Vs
5
IN2
6
GND
7
IN1
8
TDA7264
IC504
TDA7264
R551
2
.2
/1
/4
W
R552
2
.2
/1
/4
W
C520
104M
C521
104M
FR
FL
-Vcc
+Vcc
MUTE1
-VCC
R-SP
L-SP
C580
333(M)
C581
333(M)
R
L
R547
0
R548
0
R545
47K
R546
47K
R
L
R560
6801/4W
DZ504
12V
R561
22K
R562
22K
R563
18k
R564
18k
R565
100K
MUTE2-1
R-SP-1
L-SP-1
VF1-1
VF2-1
-28V-1
AGND1-1
~16.5v2-1
~16.5v1-1
AGND2-1
L-1
CPU+VCC-1
ECO POWER/STBY
R-1
GND1-1
GND-1
R603
0
R602
0
R601
0
Transformer
1
2
3
~16.0V
~16.0V
0
~16.5V
~16.5V
~6.5V
~6.5V
~24V
~24V
0
!
AC IN
!
1
2
3
4
5
6
7
~24v
~24v
~6.5v
~6.5v
0
R566
22K
1
2
3
Vss
4
5
6
7
Vcc
8
-
+
-
+
IC501
NE4558
C528
C104(M)
C518
104(M)
C504
104
C515
C104
C519
104(M)
C?
C1
PGND
DGND
!
~120V/~230V
CIRCUIT DIAGRAM - WOOFER OUTPUT BOARD
9-3
9-3
Summary of Contents for MCD288
Page 18: ...4 1 SET BLOCK DIAGRAM 4 1 ...
Page 19: ...5 1 SET BLOCK DIAGRAM 5 1 ...
Page 21: ...6 2 6 2 LAYOUT DIAGRAM DISPLAY BOARD TOP VIEW ...
Page 22: ...LAYOUT DIAGRAM DISPLAY BOARD BOTTOM VIEW 6 3 6 3 ...
Page 27: ...8 2 8 2 LAYOUT DIAGRAM POWER BOARD ...