Panasonic SA-AK44 Service Manual page 113

SCHEMATIC DIAGRAM - 3
TUNER CIRCUIT
Z120 (EN17290G1Y)
FM EXT
22P 15P
1
ANT
1
1P
75
2
HVM27
GND
2
33K
AM LOOP
18P
ANT
3
3
0.022
4
4
AM EXT
ANT
5
JK101
47P
L101-L102
RLQB1R0KTD-D
AM ANT COIL
2
1
Z101
9
RLA2Z007-T
R110
C107
1K
0.047
R114
5.6K
LA1833NMNTLM
C110
0.01
R152
0
IC102
LC72131MDTRM
PLL FREQUENCY SYNTHESIZER
: +B SIGNAL LINE
Q101
2SC2058SPTA
FM IF AMP
4P
22
D
8P
4P
G
7P
S
0.022
D
8P
8P
33P
G
S
100K
3P
C136
1000P
3
4
5
6
AM OSC COIL
8 7
R112 C108
100K 8P
IC101
FM/AM IF AMP
DET/AM OSC MIX/
FM MPX
R111
390
C125
16V22
R113
C132
10K
C130
1000P
6.3V100
D101 C111
UDZSTE175R1B
50V4.7
R115
560
R116
C112
1K
0.01
C133
27P
20 19 18 17
1 2 3 4
C134
27P
R138
3.3K
R130
10K
R137
1K
: FM SIGNAL LINE
: FM OSC SIGNAL LINE
Q106
Q102
2SC2058SPTA KRA102MTA
POWER SUPPLY CONTROL
FM IF AMP
(FM : ON)
C103
CF201
C104
RLFFETNGD01L
1000P
IFT
1 3
7
R105
470
2
C101
C102
R103
0.01
16V100
100
6
150
R139
22K
15P
8
2P
18P
24 22 21 20 19 18
23
IC101
1 2 3 4 5 6
7
C106
0.01
3
2
4
1
Z102
5 6
RLI2Z021M-T
16 15 14 13 12 11
R132
IC102
10K
5 6 7 8 9 10
R133
R126
1K
R134
470
R117
68K
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
: FM/AM SIGNAL LINE
0V
R104
(0V)
10K
<13.5V>
R107 R109
0.01
330
330
CF201
C105 R108 RLFFETMGD01L
R106
1000P
470K 470K
1 3
0V
Q101
(0V)
<11.5V>
Q102 2
0V
(0V)
0V
<0.7V>
(0V)
<0V>
Q110
2SC3311ARTA
Q110
0V(0V)<11.5V>
0V
(0V)
0V
C120
R121
<0.7V>
(0V)
16V10
22K <0V>
C138
R143
0.01
22K
R140
22K
C117
C139 R146
0.01
50V4.7
100K
C142 R142
50V1
6.8K
C141 R141
50V1 6.8K
R145
100K
16
17 15 14 13
C143
4700P
8 9 10 11 12
R124
33 C122
50V1
R127
470
R122
2.7K
R131
68
C129 C149
6.3V100 0.1
R128
82
R125
470
1K
Q106
13.6V
(13.6V)
<13.6V>
13.6V
(13.6V)
<0V>
1A
TUNGND
15V
TO
DO/ST
MAIN CIRCUIT
SD
(1B) ON
+7.5V
SCHEMATIC
DET_OUT DIAGRAM-4
2A
RCH
CE
TO
LCH
MAIN CIRCUIT
PLLDA
(2B) ON
DO/ST SCHEMATIC
DIAGRAM-4
PLLCK