Panasonic SA-HT280 Service Manual page 83

SCHEMATIC DIAGRAM-17
Z120 TUNER UNIT(RAN0001MM)
JK101
FM ANT
(75 )
GND
AM ANT
EXT
AM ANT
0.47 H
LOOP
2SK360
0 - 220
RF AMP
10P
10K
5.6K
(7.2MHz)
0.01
20 19 18 17
1 2 3
3.3K
10K
A B
:FM SIGNAL LINE
:POSITIVE VOLTAGE LINE :FM OSC SIGNAL LINE
3P
100
2SC2413
BUFFER AMP
18P
27P
A
AM OSC
330 - 560P
B
C
D
0.47 H
10K
1K
16 15 14 13 12
LC72131M
PLL FREQUENCY
SYNTHESIZER
4 5 6 7 8 9
1K
C D
:AM SIGNAL LINE
:AM OSC SIGNAL LINE
2SC2059
FM MIXER
IFT1
100
150
2P
390
A
220
B
27K
C
100P
D
11
10
E
10K
F