SCHEMATIC DIAGRAM - 3
TUNER CIRCUIT
Z120 (EN17290G1Y)
FM EXT
ANT
75
GND
AM LOOP
ANT
AM EXT
ANT
JK101
22P
1
2
15P
1
2
0.47uH
3
3
4
4
5
L101
L101-L102
RLQB1R0KTD-D
L102
AM ANT COIL
2
1
Z101
RLA2Z007-T
R110
1K
R114
5.6K
C110
0.01
R152
0
PLL FREQUENCY SYNTHESIZER
HVM27
33K
18P
100K
2.7K
47P
C107
0.047
LC72131MDTRM
22
D
8P
G
1P
S
100K
0.022
3P
HVM27
3
AM OSC COIL
8
7
9
C108
R112
8P
100K
IC101
LA1833NMNTLM
FM/AM IF AMP
DET/AM OSC MIX/
FM MPX
D101
UDZSTE175R1B
C112
0.01
C133
27P
C134
27P
R138
3.3K
R130
10K
IC102
2SC2058SPTA
FM IF AMP
7P
33K
HVM27
0.022
8P
G
100K
C136
1000P
4
5
6
C125
16V22
C132
C130
1000P
6.3V100
<2.59V>
(2.6V)
((2.6V))
20
XOUT
X103
RSXC7M20S05T
XIN
1
<2.6V>
(2.61V)
((2.61V))
R137
1K
: +B SIGNAL LINE
Q101
4P
4P
1uH
1P
22P
33K
HVM27
220P
330
<0V>
(0V)
<0.55V>
(0.55V)
CE
R118
C127
C126
((0V))
1819
((0.77V))
C114
3.3K
C109
16V22
1
R113
10K
C111
50V4.7
<5.64V>
0V
AOUT
DI
<0.02V>
0.55V
PLLDA
8P
1000P
(1.84V)
((12.33V))
(0.02V)
((0.23V))
R136
33P
10K
50V3.3
R111
390
R115
560
R116
1K
12.26V
<0.81V>
17
AIN
CL
<0.02V>
0.02V
1K
PLLCK
10K
(0.9V)
((0V))
(0.02V)
((4.75V))
R135
D
S
2.6V
VSS
CE
2
2.62V
Q102
2SC2058SPTA
FM IF AMP
IFT
10K
16V
100uF
150
220
0.022
330
470K
15P
2P
18P
1.2K
<4.68V>
(5.01V)
((4.85V))
4.85V
24
23
OSC OUT
12K
R119
FM IF IN
1
2
2.09V
(2.07V)
<2.08V>
((2.09V))
2
1
Z102
RLI2Z021M-T
82
R151
0V
<0.81V>
(0.9V)
((0V))
0V
<2.58V>
(0V)
((0V))
0V
<1.15V>
(5.16V)
((5.16V))
5.17V
13
14
16
15
PD
VDD
FMIN
IC102
DO
SWA
AM
(5.16V)
6
((5.03V))
5.16V
<5.01V>
(0.18V)
7
((5.19V))
5.19V
8
534
1K
0.02V
R134
<5.15V>
470
DO/ST
: FM SIGNAL LINE
: FM OSC SIGNAL LINE
Q106
KRA102MTA
POWER SUPPLY CONTROL
(FM : ON)
CF201
RLFFETNGD01L
1
<2.42V>
<2.08V>
3
<0V>
<0.02V>
(2.06V)
((2.46V))
(2.07V)
((2.07V))
R129
(0V)
((0V))
(0.02V)
((4.43V))
R133
R117
<2.42V>
2.46V
21
AM RF IN
2.08V
<2.06V>
C106
0.01
27K
0V
11
IFINFM
10
4.43V
1K
68K
50V4.7
C115
(2.06V)
((2.46V))
20
AM RF IN
(2.06V)
((2.08V))
C124
<0V>
(0V)
((0V))
<0.05V>
(12.3V)
((12.31V))
2
C101
0.01
2.46V
AGC
GND
534
2.07V
100P
0V
12.25V
<0.16V>
<0V>
3
R139
22K
R120 47K
(0.75V)
((0.25V))
0.25V
IC101
SD
6
0V
(0V)
((0V))
4
R132
10K
7
C102
0.022
16V100
6
8
<6.11V>
(6.42V)
((6.27V))
6.27V
22
AFC
OSC
REG
AM MIX OUT
6.28V
<6.1V>
(6.42V)
((6.27V))
5 6
C113
1000P
<0V>
(2.49V)
((2.59V))
2.59V
12
AMIN
MONO
STRQ
SWB
9
<4.66V>
(4.98V)
((4.83V))
4.83V
C104
1000P
R105
470
C119
C116
<2.02V>
(1.25V)
AM OUT
(5.14V)
<5.15V>
0.01
C148
C103
0.01
R103
100
560P
0.033
((2.02V))
1.86V
1819
7
5.12V
((4.22V))
R126
1K
Q101
R121
22K
R143
22K
C139
50V4.7
R102
<2.39V>
(1.56V)
DET OUT
ST
(5.16V)
<5.15V>
1000P
C147
R107
R106
470K
0V
(0V)
<0.7V>
4.7K
((2.36V))
2.36V
17
8
((5V))
330
<2.06V>
PILOT IN
FM DET
5.16V
<3.97V>
R124
33
SD
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
: FM/AM SIGNAL LINE
R109
330
C105
R108
1000P
470K
0V
(0V)
<11.5V>
0V
(0V)
<0V>
2SC3311ARTA
Q110
0V
(0V)
<0.7V>
C120
16V10
C138
0.01
100P
C137
3300P
68K
C131
R123
(2.06V)
((2.07V))
2.07V
<2.07V>
(2.07V)
((2.08V))
2.08V
<2V>
(2.01V)
((2.02V))
2.02V
16
15
14
MPX IN
PILOT OUT
VCC
STRQ
9
10 11
6.27V
4.12V
<6.1V>
(6.43V)
(5.15V)
(0.02V)
<0.02V>
((6.17V))
((4.13V))
((3.68V))
50V1
R127
470
X102
RLFDFT22DD
R125
470
DO/ST
RLFFETMGD01L
Q102
Q110
0V(0V)<11.5V>
0V
(0V)
<0V>
R140
22K
C117
0.01
C142
C118
0.01
50V1
C141
50V1
<1.69V>
<1.7V>
(1.75V)
((1.76V))
1.76V
13
LCH
RCH
MONO
FM/AM
12
3.68V
5.19V
(1.32V)
<3.66V>
<5.01V>
((5.19V))
C122
R122
2.7K
C129
6.3V100
R128
82
(1.76V)
(4.55V)
C121
CF201
((1.78V))
((3.76V))
C149
R104
10K
1
R146
100K
R142
6.8K
R141
6.8K
R145
100K
1.77V
3.72V
C123
50V0.47
R131
68
0.1
2
C143
4700P
50V1
0V
(0V)
<13.5V>
3
C144
Q106
13.6V
(13.6V)
<0V>
6800P
13.6V
(13.6V)
<13.6V>
TUNGND
15V
DO/ST
SD
+7.5V
DET_OUT
RCH
CE
LCH
PLLDA
DO/ST
PLLCK
1A
TO
MAIN CIRCUIT
(1B) ON
SCHEMATIC
DIAGRAM-4
2A
TO
MAIN CIRCUIT
(2B) ON
SCHEMATIC
DIAGRAM-4
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