Mystery MMD-6500 Schematics Radio Tuner
5
4
3
2
1
TU1
FM/AM FRONTEND TUNER
TP38
D D
J3
ANT
2
1
FM ANT
AM ANT
GND
NC2
L3
1
AM ANT COIL
C102
0.01u
1
2
3
FMB+
4
5
AF_OUT
D7
DSP-141N
C107
C C
RDS OPTION
0.022u
R143
C109
470p
C115
100u/16V
+
C116
0.1u
C120
560p
8 9
CMP1 T2
7
VSS1
6
B B
C121
+
2u2/16V
5
4
3
2
1
VSS2
VDD+
MUX
VRET
RDATA
OUAL
U14
VSS3
CMP2
XO
NC
RCLK
10
T1
11
12
13
XI
14
15
16
C124
22p
4R7
R150
470
C125
22p
C113
0.022u
R149
1K
Q28
C3875Y
Y1
4.332MHz
BU1924F
FM/AM FRONTEND
TUNER
VT
GND2
FMOSC
GND3
AMOSC
NC3
ST_IND
6
7
8
9
10
11
12
13
R137
100
C108
+
2u2/16V(T)
C114 0.01u
C3875Y
R146
Q27
R144
150
C106
0.22u
1K
D8
KDS160
Q26
C3875Y
R151
22
NC4
14
NC5
15
NC6
NC7
S_METER
16
17
R139
100K
R145
100
U13
KIC9256F
Y2
7.2MHz
C122
33p
S/D
18
IF COUNTER
AF_OUT
19
20
R141
39K
C123
33p
L/OUT
R/OUT
NC8
MAIN B+
21
22
23
24
C104
+
4u7/16V(T)
+
R136 16K
R138 16K
C105 4u7/16V(T)
IF_REQUEST
C110
15
16
NC4
DO2
XOXICECLDATA
1
2
0.001u
13
14
NC3
3
4
C111
0.022u
12
GND
IF COUNT
5
11
FMIN
OUT1
6
10
AMIN
NC1
7
R153
1K2
C101
0.022u
R133
C112
0.022u
NC2 VDD
8 9
4R7
+
C118 100u/16V
RADIO_5V
C99
100u/16V
ST_IND
R/OUT
L/OUT
S-METER
ZD810
C119 0.1u
1 2
5V1
PLL_DATA
PLL_CL
PLL_CE
RCLK
+
C100
0.1u
C103
0.022u
D1304
Q25
D1304
R147
47(2012)
Q24
RADIO_9V
R135
100K
AF_MUTE
R142
2K2
R148
2K2
4u7/16V
R134
R140
1K
C117
R152
1K2
RADIO_9V
S/D
0
S-METER
ST_IND
R/OUT
L/OUT
S/D
PLL_DATA
PLL_CL
PLL_CE
RDATA
RCLK
AF_MUTE
+
RADIO_5V
RADIO_9V
GND
S-METER
ST_IND
R/OUT
L/OUT
S/D
PLL_DATA
PLL_CL
PLL_CE
RDATA
RCLK
AF_MUTE
RADIO_5V
RADIO_9V
GND
Q29
A1504Y
RDATA
FMB+
A A
Title
FM/AM FRONTEND TUNER
Size Document Number Rev
<Doc> <RevCode>
A3
5
4
3
2
Date: Sheet
1
24Tuesday, October 12, 2004
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