Panasonic SA-HT280 Service Manual page 84
Av control stereo receiver
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Also See for SA-HT280:
- Operating instructions manual (89 pages) ,
- Operating instructions manual (88 pages)
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SCHEMATIC DIAGRAM-18
:POSITIVE VOLTAGE LINE
10K
CF1
1
3
2
LA1844
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
A
D
B
C
24
23
22
1
2
3
IFT2
CF3
DET2
1K
:FM SIGNAL LINE
330
470K
100P
470K
1000P
2SC2413
2SC2413
FM IF AMP
FM IF AMP
21
20
19
18
17
16
4
5
6
7
8
9
A
B
DET1
68
:AM SIGNAL LINE
:AM OSC SIGNAL LINE
CF2
1
3
2
DTA114
POWER SUPPLY
(FM:ON)
3.3K
50V1
50V1
15
14
13
10
11
12
0.47
68
D
F
C E
B A
A
B
D
C
A
B
:FM/ AM SIGNAL LINE
14.8V
2SC2712
BUFFER AMP
A
1
1K
B
470K
2.2K
2SC2712
BUFFER AMP
1
1K
C
470K
2.2K
2SC2712
BUFFER AMP
7.3V
C
B
A
11
10
9
8
7
6
5
4
3 2
1
G
To
MAIN CIRCUIT(CP101)
on SCHEMATIC DIAGRAM-12
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