Mystery MMD-650U Schematics TUN
B
E26
47U
R219
680
104
680
R43
680
R152
E25
47U
C29
223
D10
5V1
C26
47U
473
Q5
9014
Q10
9014
DO1
DO2
VDD
AMIN
FMIN
GND
IO5/CLK
OT4
OT3
OT2
OT1
DATA
IO9/IFIN2
CLOCK
IO8/IFIN1
PERIOD
IO7/SCIN
XT
XT
R5
47K
R77
10K
R151
47K
IO6
11
12
13
14
15
16
17
18
19
20
CD9257
C30
Q13
3205
E43
47U
223
C70
22
R191
22
R192
+B
Q10
9014
10K
R214
47K
R214
4K7
R214
10
9
8
7
6
5
4
3
2
1
10V
D9
E27
C31
R186 2K2
R63 2K2
4.5M
X1
C19
9014
C
R50
47K
R46
220K
Q6
1267
R46
4K7
22K
R45
R47
22K
Q7
1267
C95
C25
C94
C23
Q9
9014
R60 4K7
104
C78
104
Q9
3199
2K2
R48
47U
223
47U
223
1K
R54
R213
1K
C85
223
R44
47K
103
C24
102
C21
C83
R153
47K
R153
47K
R56
47K
4K7
R40
C20
E24
2U2
1M
R123
R41
2K2
R57 2K2
47U
C100
222
D
8
ST
TUNER-L
TUNER-R
1U
7654321
R209
8K2
R210
8K2
MUTE.DRI
VCC
DET.OUT
SNC
SD/ST.INO
S.M
ST/RQ
NC
GND
R.OUT
L.OUT
GND
AM.VT
VCC
FM.VCC
OSC
CTE-7010AF/EU
GND
AM.VCC
GND
GND
FM.VT
GND
FM.DX
AM.LOC
FM.ANT
AM.ANT
TUN301
A1
ANTENNA
1U
E6
E5
682
R38
22K
3K3
R37
22K
R212
C79
R211 3K3
R51
10K
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
153
R188
10R
R180
10R
153
C80
C96
100U
104
C97
223
C86
223
C48
R147
10R
104
C77
L12
22UH
SD
R46
1K
R53
10K
C81
C82 682
R147
C22
D32
D31
223
C84
R62 10R
1K
R146 330
R208 82K
Q28
104
1K
10K
R207
R42
4148
4148
A
MMD-650U-TUN.SCH
47U
223
Q12
8050
C32
223
R61
10K
RA-ON
30P
C27
R55
100K
30P
C28
R206
R76
R78
1K
1K
2K2
1 2 3 4 5 6 78
DTS-CS
DTS-CLK
D
C
B
DTS-DAT
A
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