MC-DX40/MC-DX40DAB
MC-DX40/MC-DX40DAB
Micro Hi-Fi System
SUB WOOFER UNIT
8
6
7
4
5
2
3
1
E
D
C
B
A
PO
WE
R
SW
ON
OFF
** IMPORTAT SAFETY NOTICE.
-6
IMPOROVEMENT OF PERFORMANCE.
** THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANY TIME WITH THE
pF = 10 uF
** THE UNIT OF CAPACITANCE IS MICROFARAD(uF)
K = 1000 OHM. M = 1000KOHM.
** THE UNIT OF RESISTANCE IS OHM.
USE ONLY MANUFACTURER'S SPECIFIED PARTS.
IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS
COMPONENT IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISICS.
TO
Ma
in
T
ra
ns
6V DC
TDA7265
1.-VS
2.R OUT
3.+VS
4.L OUT
5.MUTE/STBY
6.-VS
7.L IN
8.L -IN
9.GND
10.R-IN
11.R IN
1.-VS
2.R OUT
3.+VS
4.L OUT
5.MUTE/STBY
6.-VS
7.L IN
8.L -IN
9.GND
10.R-IN
11.R IN
SUB WOOFER
L OUT
GND
R OUT
TDA7265
SUB WOOFER
FROM TRAN
S
GBJ1006
7812
7912
(8 ohm)
AC Rel ay
TO LED PCB
BLUE
ORG
(4 ohm)
~ AC I N
FROM TRANS
AC15V
GND
AC15V
12V DC
SPK Rel ay
12V DC
SPK Rel ay
SW+
SW-
SPEAKERS OUT
KBA2C2000TLEY
GND
GND
AC10V
AC10V
F702,F703 ;
F 3A L/250V
AMP Part
POWER Part
LED Part
1
2
CN73
F701
D701
D702
C701 0.022u
D703
1N4003
D704
1N4003
C7
02
1000/16V
C703 0.01uF
C7
05
470/16V
1
2
4
3
RY71
D706
D707
11
10
9
8
7
6
5
4
3
2
1
BN82
D708 1SS133
2
1
CN74
3
2
1
CN72
Q702
C107MT
Q703
A102MT
C7
06
0.0047uF(500V
)
R704
220
11
10
9
8
7
6
5
4
3
2
1
CN7
0
3
2
1
CN76
2
4
3
1
D709
11
10
9
8
7
6
5
4
3
2
1
IC71
C70
7
3300/25V
C70
8
3300/25V
C70
9
0.01uF
C71
0
0.01uF
R705
8.2K(1/4W)
R706
8.2K(1/4W)
BD72
BD73
BD74
BD75
R707
18K
C7
13
4.7/50V
C714
4.7/50V
R708
6.8K
R709
6.8K
C7
15
47/25V
R710
680
C7
16
47/25V
R711
680
-
+
-
+
CM1
CM2
8
7
6
5
4
3
2
1
IC73
GND
IN OUT
2
1
3
IC75
C7
17
6800uF/16V
C7
18
0.01uF
C7
19
100/25V
C720 0.01uF
C721
100P
R712
33K
R739
22K
R713
33K
R715
33K
R716
22K
C724 0.01uF
11
10
9
8
7
6
5
4
3
2
1
IC72
C7
26
4.7/50V
C7
27
4.7/50V
R722
18K
BD76
BD77
R723
10K
R726
10K
R727
10(1W
)
C7
30
0.047u(M)
R728
10(1W
)
C7
31
0.047u(M
)
R729
10(1W
)
C7
32
0.047u(M
)
R730
10(1W
)
C7
33
0.047u(M
)
6
1
5
4
2
3
RY72
Q705
C107MT
D710
1SS133
6
1
5
4
2
3
RY73
D713
1SS133
2
1
CN78
C74
0
0.1uF
C74
1
0.01uF
C74
2
0.01uF
5
4
3
2
1
CN79
C723
0.027u
C7
35
0.01uF
5
4
3
2
1
CN71
C7
36
0.01uF(M
)
C737
0.01uF(M)
C743 0.022u
C7
47
0.01uF
C7
46
0.01uF
C744
4.7/50V
C7
45
0.01u
F
2
1
CN81
5
4
3
2
1
CN77
Q707
C107MT
Q706
C107MT
R732
220
Q704
A102MT
R733
22K
OUT
GND
VCC
1
4
3
IC76
C7
48
0.01uF
Q709
C107MT
R734
10K
R735
560
R736
560
C7
49
5600P(M)
Q710
A102MT
C75
0
0.12uF
D712
D711
1N4003
D714
D715
1N4003
C7
51
3300/25V
C7
52
1000/25V
R7
37
10K(1/4W)
R738
10K(1/4W)
C75
5
470uF/16V
C75
6
0.01uF
C7
53
47/25V
BD78
C75
9
0.12uF
C757 0.01uF
C7
58
0.01uF
F702
F703
D716
D717
C754
1000/25V
1
2
3
4
5
6
7
8
9 10 11 12
13
14
SAD1
CJJ6L001
Z
2
4
5
6
7
8
9
BD79
C760
0.01uF
C761
0.01uF
C762
1000/25V
VO
U
T
GND
ON/OFF
VIN
4
1
2
3
IC74
R740
100K
D718
1SS133
3
2
1
CN91
O
B
LD91
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AUDIO_L
AUDIO_R
AGND
+12VA
-12VA
AGND
AGND
-12VA
AGND
AGND
AGND
SPK_ON
AGND
AGND
AGND
AGND
AGND
PWR_ON
AGND
AGND
SPK_ON
AUDIO_L
AUDIO_
L
AUDIO_
R
AGND
AGND
AGND
SPK_ON1
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
JK72
R
L
M+12V
AGND
AGND
AGND
M+12V
PWR_O
N
AGND
AGND
AGND
SPK_ON1
AUDIO_R
-12VA
+12VA
AGND
AGND
AGND
AGND
AGND
GND
C755 has been changed with 470 uF/16V
Cap to suppress a pop noise occurred
upon unplugging power code.
