Philips MCD728 - Circuit Diagram - Tuner Board

7 - 17 - 1
CIRCUIT DIAGRAM - TUNER BOARD
R
I
PP
L
E
1
AM-
RF
2
F
M-
G
N
D
3
RF-GND
1
4
FM-OSC
5
A
M-
O
S
C
6
V
cc
1
7
TUNE
8
VC
O
9
AF-OUT
1
0
M
PX-IN
1
1
L
PF
1
2
MUTE
1
3
LE
FT
14
RIGHT
1
5
P
I
L
F
I
L
16
IF-GND
1
7
FMDEM
1
8
AF
C
-
1
9
AFC+
2
0
FSI
2
1
VCC2
22
VDD
2
3
MO/ST
2
4
X
T
A
L
2
5
DGND
2
6
C
L
O
C
K
2
7
P
1
31
P
0
30
W
R
I
TE
-
E
N
29
D
A
T
A
28
F
M-I
F
2
-I
N
33
A
M-
A
F
C
3
2
F
M-I
F
1
-I
N
3
7
AM-IF2
3
6
FM-IF2
3
5
VSTABB
34
VSTABA
3
8
AM/FM
3
9
AM-MIXOU
T
40
AM-IF1-IN
4
1
R
F
-GND
2
42
NC
4
3
AG
C
4
4
I
C1
TE
A
576
2
C
4
10
4
C1
0
100u
F
V
C
C
1
R1
1
56
K
R
V
1
100
K
C2
2
22
4
C26
474
C27
474
R2
7
2K
2
C28
1uF
C30
2.2u
F
C31
15pF
C32
470n
C
7
10
4
VCC2
VDD
X1
75
K
R1
4
150
K
C1
4
10
2
C1
5
12P
R2
2
47
0
R2
1
47
0
R18
22
K
C19
22
2
C17
22
1
C18
22
1
P
0
P1
C1
6
221
R2
3
47
0
1
2
3
4
C
N
1
4
P
R
4
12
0
R
3
12
0
C3
4
22
3
V
CC
1
C24
224
C25
224
R7
330
R2
5
47
K
R2
4
47
K
DZ
1
38
4
R35
22
C2
3
224
R33
4K
7
R34
47
K
Q3
BC547C
Q2
B
C
857
B
R31
68K
C35
22uF
R32
10K
R30
15
0
C3
3
82p
F
C2
9
1uF
+FM
VDD
VCC2
AM/FM
R29
820
R2
8
82
0
C40
153
C39
15
3
1 3
2
CF
1
10.7M
1 3
2
C
F
2
10.7
M
R2
120
R1
120
R
5
33
0
C
2
10
4
C1
10uF
1
2
3
4
6
T7
629
5
A
N
T
1
GND
2
GND
3
GND
4
VT
5
B+
6
I
F
-OU
T
7
OS
C
-
OU
T
8
GN
D
9
GND
1
0
F
M
F
R
ON
TE
N
D
TUNE1
K
S
T
-
F
40
4
R
6
33
0
R
8
2.2K
R
9
00
0
C1
3
103
C
3
10
4
C9
100u
F
+
FM
C2
1
1u
F
C2
0
10
2
M
PX
MPX
S
T
/N
O
E
N
A
B
L
E
/
M
P
X
DA
TA
C
L
O
C
K
V
C
C
RIGHT
LEF
T
S
G
N
D
F
M
R
F
G
N
D
4
F
M
A
N
T
3
A
M
R
F
G
N
D
2
A
M
A
N
T
1
JACK1
TUNER1
C8
10
4
22n-USA22n-USA
DISCRIMI
NATOR
7.8
V
11V
8.2
V
8.9V
8.2V
A
M
/
F
M
1
2
3
4
5
CN
2
5P
R3
7
0
R4
0
0
C5
10
4
C
6
33
1
Q1
9014
Q5
9014
R42
4.7K
R43
4.7
K
R16
1M
R4
1
100
R46
1K
R47
1K
C41
100uF
C42
22
4
C43
224
R17
1M
R45
000
R44
000
V
CC
J2
00
0
J
3
000
VCC
VCC
1
2
CN3
2P
T10
4
1 3
2
CF4
10.7
M
1
2
C
N
4
2P