Panasonic SA-AK88 Servis Kılavuzu - Sayfa 39
Stereo sistemi Panasonic SA-AK88 için çevrimiçi göz atın veya pdf Servis Kılavuzu indirin. Panasonic SA-AK88 43 sayfaları.
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SCHEMATIC DIAGRAM-3
MAIN(TUNER) CIRCUIT
TUNER PACK CIRCUIT
Z120 FM FRONT END (RAL0029)
JK101
FM ANT
1
75
GND
2
3
4
5
AM ANT
EXT
LOOP
R110
1K
R114
5.6K
R152
0
Q1A
2SK544F-AC
RF AMP
C1A
D
5.6P
G
S
L102
0.39 H
Z101
AM ANT
X103
C112
(7.2MHz)
0.01
2.6V
2.6V
20
19
1
2
2.6V
0.6V
2.6V
0.6V
R130
10K
R138
3.3K
A
:POSITIVE VOLTAGE LINE
C3
2.2P
R3
220
R4
R8
100K
680K
C7
4.7P
C8
3.3P
Q3
2SC2787FL1TA
LOCAL OSC
A
B
C
AM OSC
D
R116
1K
1.3V
0.9V
0.9V
5.2V
0V
3V
0.9V
0.9V
5.2V
2.5V
18
17
16
15
14
IC102
LC72131MDTRM
PLL FREQUENCY
SYNTHESIZER
3
4
5
6
7
0V
0V
5.2V
4.7V
0V
0V
5.2V
0.2V
B
C
D
:FM SIGNAL LINE
:AM SIGNAL LINE
:FM OSC SIGNAL LINE
:AM OSC SIGNAL LINE
Q2
2SC2786MTA
L2
FM MIXER
0.47
H
7
6
R11
C10
680K
18P
Q4
2SC2787FL1TA
BUFFER AMP
8
R111
390
R128
82
R129
27K
C124
100P
2.5V
0V
0V
0V
0V
0V
13
12
11
8
9
10
4.3V
0V
0.1V
4.6V
0V
14.7V
R132
10K
R133
1K
R103
270
A
B
C
D
E
F