Philips MCD728 - Circuit Diagram - Amp Board

8 - 18 - 1
CIRCUIT DIAGRAM - AMP BOARD
F
L
I
N
FR
IN
MU
T
E
+12V
R330
56
0
Q
30
0
BC817B
R
31
3
2
.
2
K
R303
4
.
7
K
L304
J
R
H
034
9
L
30
5
JRH0349
VSSA
2
1
VDDA
2
3
VSS
D
24
S
T
A
B
L
1
8
P
R
O
T
13
SU
B
/
VSS
D
19
VDDP2
2
3
VSSP2
20
BOO
T
2
2
2
OUT2
2
1
OU
T
1
1
6
BOOT1
1
5
VSSP
1
1
7
VDDP
1
14
M
OD
E
6
OS
C
7
VSSA1
1
2
VDDA
1
1
0
I
N
1
+
8
I
N
1
-
9
SGND1
1
1
SGND2
2
1
N
2
+
5
I
N
2
-
4
I
C
30
0
T
D
A
8920
BT
H
C
34
0
10
4
C
34
1
10
4
C
34
3
10
4
C
36
5
104/100
V
C
34
4
10
4
C352
10
4
C
35
3
10
4
VssA
2
VddA
2
Vddp2
C
37
0
153
C
37
7
334(
M
)
C
358
104
R
32
0
2
2
C
36
9
15
3
C
37
5
334(M)
C
34
5
10
4
R
31
7
22
SL-
OUT
SR-
O
U
T
C
32
3
220P
C
33
5
474
C
33
4
47
4
R
30
4
5
.
6
K
R
30
5
5
.
6
K
L
30
0
22uH
L
30
3
22u
H
C
35
7
10
4
C
35
6
10
4
C
37
3
15
3
C38
8
22
4
C
36
7
104/100V
C
32
9
220
P
R
31
0
5
.
6
K
R
30
6
5
.
6
K
C
33
6
47
4
C
33
9
47
4
1
2
3
4
C
N
30
0
4p/2
.
5
C
31
3
10
2
C
31
4
10
2
C
31
5
10
2
C
31
6
10
2
C
31
7
10
2
C
30
5
10
2
C
30
6
10
2
C
30
7
10
2
C
30
4
10
2
C
31
2
10
2
R
32
6
1
0
R
32
2
1
0
C
32
4
220
P
C
32
5
220
P
C
33
0
220P
C
33
1
220P
Vddp
2
Vssp2
Vss
p
2
V
dd
p
2
C
38
3
470u
f
/35
v
C382
470u
f
/35
v
C
38
0
22u
f
/100
V
R
32
4
1
0
R325
10
+28V
-
28
V
C
38
7
1000u
f/35v
C38
6
1000u
f
/35
v
Vss
p
2
R
31
1
22
K
R
31
2
22
K
R
31
6
22
R
30
7
5
.6K
D
Z
30
0
5
.
1
V
C
37
9
100
U
F
/
25
V
-28
V
+28
V
+12
V
G
N
D
1
2
3
4
5
6
7
8
9
CN301
9P/2.5
C
36
4
10u
F
D
30
0
400
1
D
30
1
400
1
R
33
4
100
C
39
6
220uF
1
2
CN30
2
2
.
5/2
P
S
L-OUT
SR-OUT
R
33
7
10
0
+12
V
s
p
a
r
t
FA
N
L
30
6
JRH0349
L307
J
R
H
034
9
VSSA
2
1
VDDA
2
3
VSS
D
24
S
T
A
B
L
1
8
P
R
O
T
1
3
SU
B
/
VSS
D
1
9
VDDP
2
2
3
VSSP
2
20
BOOT2
2
2
OU
T
2
21
OU
T
1
16
BOO
T
1
1
5
VSSP
1
1
7
VDDP
1
1
4
M
OD
E
6
OS
C
7
VSSA
1
1
2
VDDA1
1
0
I
N
1
+
8
I
N
1
-
9
S
G
ND
1
1
1
S
G
ND
2
2
1
N
2
+
5
I
N
2
-
4
I
C
30
1
T
D
A
8920
BT
H
C
34
6
10
4
C
34
7
10
4
C
349
104
C
36
6
104/100
V
C
35
0
10
4
C
35
9
104
C
36
0
10
4
VssA
3
VddA
3
Vddp
3
C
37
2
15
3
C
37
8
334(
M
)
C
363
10
4
R321
2
2
C
37
1
15
3
C
37
6
334(
M
)
C
35
1
10
4
R
31
9
2
2
S
W
-
O
U
T
+
S
W
-
O
U
T
-
C32
6
220
P
C
33
7
47
4
C
33
8
47
4
R
30
8
5
.
6
K
R
30
9
5.6K
L
30
1
27u
H
L
30
2
27u
H
C
36
2
10
4
C
36
1
10
4
C374
15
3
C
38
9
224
C
36
8
104/100V
1
2
CN
30
3
2p/2
.
5
C
31
8
10
2
C
31
9
102
C
32
0
10
2
C
32
1
10
2
C
32
2
10
2
C
30
9
102
C
31
0
10
2
C
31
1
10
2
C30
8
10
2
R329
1
0
R
323
1
0
C
32
7
220
P
C
32
8
220
P
C
33
2
220
P
C
333
220
P
V
dd
p
3
Vss
p
3
Vssp3Vddp3
C
38
5
470u
f
/
35
v
C
38
4
470u
f
/
35
v
C381
22u
f
/100
V
R
327
1
0
R
32
8
10
+28
V
-
28
V
Vss
p
3
R
33
1
47
K
R
31
8
2
2
-28
V
+28
V
s
p
a
r
t
R
333
8
.
2
K
R
30
2
10
K
C394
104
P
R
33
6
3
.
3
K
+
V
s
8
OU
T
2
7
IN2
-
6
IN2
+
5
OU
T
1
1
IN1
-
2
IN1
+
3
-V
s
4
IC302
TL
07
2
C
39
2
473
M
C390
334
M
R
33
8
240
K
R
33
2
8.2K
C
39
1
473M
C
39
3
104
p
C
39
5
104
p
R335
3.3K
-
28
V
+28
V
SW-OU
T
C
30
1
10
4
C
30
3
10
4
DGND
C39
8
474
Q1
1
Q1
2
C
1
3
R1
4
D
1
5
S1
6
VSS
7
S2
8
D2
9
R
2
10
C2
1
1
Q
2
12
Q2
1
3
VDD
14
IC304
HEF4013T
I1
1
O1
2
I2
3
O
2
4
I3
5
O3
6
GND
7
O4
8
I4
9
O5
1
0
I5
11
O6
12
I6
1
3
Vc
c
14
I
C
30
3
PC74HCU04D
R
34
6
6.8K
R
34
8
1M
R347
10K
C9
10
4
C8
100p
C6
101
C
4
10
4
C5
101
C7
33P
X
T
30
1
700K
R
34
9
2
2
C
L
OC
K
C2
100UF/16V
C
3
104
D
Z
500
1
5
.
6
V
+28V
PD1
L308
10UH
C
1
104
CLOCK
C
L
OC
K
FL IN
F
R
I
N
R345
1
K
C
35
5
220u
f
C
35
4
220uf
R
30
0
4.7
K
R
?
4.7
K