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75
ANT
ANT
ANT
GND
AM EXT
FM EXT
AM LOOP
JK101
L102
1
4
3
2
L101
1
4
3
5
2
0
1K
1
0.01
2
C110
R110
R152
5.6K
0.47uH
R114
100K
22P 15P
Z101
2.7K
L101-L102
33K
C107
18P
0.047
47P
1P
AM ANT COIL
RLA2Z007-T 9
RLQB1R0KTD-D
3
HVM27
8
HVM27
IC102
0.022
8P
100K
3P
G
27P
R112
100K
C134
0.01
27P
10K
3.3K
C112
7
R138
C133
R130
D
S
D101
IC101
LC72131MDTRM
FM MPX
8P
TUNER CIRCUIT
22
C108
Z120 (EN17290G1Y)
FM/AM IF AMP
PLL FREQUENCY SYNTHESIZER
X103
DET/AM OSC MIX/
RSXC7M20S05T
SCHEMATIC DIAGRAM - 3
LA1833NMNTLM
C136
UDZSTE175R1B
1000P
7P
AM OSC COIL
100K
HVM27
C132
8P
1
5
4
6
XOUT
20
XIN
0.022
<2.6V> <2.59V> 33K
(2.61V) (2.6V)
G
1K
((2.61V)) ((2.6V))
R137
2.62V 2.6V
33K
2
19
CE VSS
D
S
C125
<0.55V> <0V>
C130
CE
16V22
(0.55V) (0V) HVM27
4P
1000P 6.3V100
((0.77V)) ((0V)) R118
Q101
C126 C127 330
0.55V 0V
3
18
<0.02V>
DI AOUT <5.64V> 1
FM IF AMP
4P
PLLDA R136 (0.02V) (1.84V)
16V22 C109 3.3K C114 22P
((0.23V)) ((12.33V)) 1000P 50V3.3 1P
8P
1K
10K
12.26V
R113
0.02V
4
C111
17
CL AIN <0.81V>
10K
50V4.7
PLLCK <0.02V>
R135 (0.02V) (0.9V) 220P 1uH
1K
((4.75V)) ((0V))
390
560
R116
1K 1.2K 10K220
33P
R115
0V
R111
0.02V
5
16
<5.15V> DO PD <0.81V>
DO/ST (5.16V) (0.9V) R119
((5.03V)) ((0V)) 12K 10K
470
2P
5.16V 0V 0.022
R134
6
100uF
15
AM VDD
1
2
<5.01V> <1.15V>
18P
16V
: +B SIGNAL LINE
IC102
(0.18V) (5.16V) 470K
((5.19V)) ((5.16V))
1
5.19V 5.17V
7
24
FM IF IN OSC OUT
14
SWA FMIN
Q102
<2.58V> <2.08V> <4.68V>
(0V) R151 (2.07V) (5.01V) 330
FM IF AMP
((2.09V)) ((4.85V))
150
((0V))
IFT
82 2.09V 4.85V
Z102
2
0V
8
23
AM MIX OUT OSC 0.022
13
SWB
15P
<4.66V> AMIN <0V> <6.1V> <6.11V>
(4.98V) (2.49V) C113 (6.42V) (6.42V)
8
6
7
2SC2058SPTA 2SC2058SPTA
((6.27V)) ((6.27V))
RLI2Z021M-T
((4.83V)) ((2.59V))
1000P 6.28V 6.27V