Technics SA-EH770 Service Manual page 69

SCHEMATIC DIAGRAM-11
:POSITIVE VOLTAGE LINE
10K
LA1833NM
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
A
D
B
C
24 23 22
1 2 3
:FM SIGNAL LINE
330
270K ~
270K ~ 680K 1000P
680K
1000P
2SC2413 2SC2413
FM IF AMP FM IF AMP
21 20 19 18 17 16
4 5 6 7 8 9
A B
:AM SIGNAL LINE :AM OSC SIGNAL LINE
DTA114
POWER SUPPLY
(FM:ON)
15 14 13
10 11 12
1
0.47
1 2.7K
68
D F C E B A
A
B
A
B
D
C
To
on SCHEMATIC DIAGRAM-4
1 6.8K
B
1 6.8K
A
A B
11 10 9 8 7 6 5 4 3 2 1
C
MAIN CIRCUIT(CP101)