Technics SA-DA10, Service Manual

Page: 128 / 149

1 3
2
24 23 22 21 20 19 18 17 16 15 14 13
1 2 3 4 5 6 7 8 9 10 11 12
FM
IF
IN
AM
MIX
OUT
REG AM
IF
IN
GND SD
ST
FM
DET
Vcc STRQ
FM/AM
MONO
OSC
OUT
OSC
AFC
AM
RF
IN
AGC
AM
OUT
DET
OUT
PILOT
IN
MPX
IN
PILOT
OUT
Rch
Lch
B A D F C E
470
1
2.7K
0.47
68
1000P
0.01
1
16V22
6.3V10
22K
-
68K
50V1
470K 50V1
4700P
-
6800P
150P
68K
0
.1
16V10
22K
16V4.7
4.7K
6800P
-
0.015
47K
-
180K
25V10
27K
1000P 50V3.3
3.3K
-
6.8K
A
D
B
C
10K
0.01
330
1000P
330
-
680
CF1
470K
1 3
2
CF2
LA1844
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
2SC2413
FM IF AMP
470K 100P
330
0.027
0.027
470K
11
1 3 2 4 5 6 7 8 9 10
2.2K
1
B
560
-
1.5K
560
-
1.5K
2.2K
1 1K
C
1K
A
2SC2712
BUFFER AMP
3.3K
+B(2) T
.GND
+B(1) SD DET Rch
OUT
CE
A
Lch
OUT
C
DI
B
DO
D
CL
A
B
C
A B
B
A
1
0.022 0.022
IFT2 CF3
DET2
DET1
1K
220P
-
680P
470
68
2SC2712
BUFFER AMP
2SC2712
BUFFER AMP
1
-
10K
DTA114
POWER SUPPLY
(FM:ON)
2SC2413
FM IF AMP
:POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE :FM/ AM SIGNAL LINE
TO
PHONO EQ CIRCUIT
(CP101) ON
SCHEMATIC DIAGRAM-10