Sony VID-P110 Service Manual page 74

MA-87 : MIC AMP
1
2
MA-87
- A SIDE -
SUFFIX : -11
3
CL1
MA-87
Q801
2SC2785
R808
10k
CL2
C808
C813
100
10
CN801
16V
50V
1 +9V
TO VSW-60 Board 2 MIC OUT
3 GND
1000p
4
5
A B
MA-87
- B SIDE -
SUFFIX : -11
CL3
C803
68p
IC801(1/2)
NJM4558DD
C812 C806
10 18p
50V
R803
C804
R806 R804 8 3.3k
1
330k 68k 2
50V
C805 1 3
C807 R805 1
10k 4
R809 10 50V C809
2
330 6
50V C810 68p
*
7 0.1
RV801
5
C814 R807 C811 20k
3.3k 68p
R802
IC801(2/2) 100k
NJM4558DD * RV801
MIC VOLUME 20K
J MODEL 10,001 ~
UC MODEL 70,001 ~
CED MODEL
C
SY-248, MA-87 MA-87, SY-248
CL5
R801
100k
J801
CL6
1
9
C801
8
1
7
50V
2
MIC
3
4
5
CL4
6
CL100
C802
10
50V
10K
10,120 10,121 ~
71,081 71,082 ~
~
50,001
MA-87
BZ1 G1 FB1
FB2
CN1 H1 FB3
CN2 F3 FB4
CN3 E3 FB5
CN5 C3 FB6
CN7 C3 FB7
CN8 G3 FB8
CN10 A3 FB9
FB11
D1 C1
D2 C1 FL2
D4 C3 FL5
D5 C3 FL6
FL7
E1 A1 FL8
E2 A3 FL9
E3 H3 FL10
E4 H1 FL11
FL12
FL13
7-8 7-8
D E
A2 IC1 D1 S2 H2
A2 IC2 G1
A2 IC5 F2 X1 E1
A2 IC6 C1 X2 C1
A2 IC7 F2
A3 IC8 E2
A3 IC9 D2
A3 IC10 B1
C3
H1 Q1 C2
Q2 C2
H1 Q3 C2
C3 Q4 C3
B2 Q5 C3
B2 Q13 C3
B2 Q14 D3
B2
B2
B3
B3
B3
F G
SY-248
- A SIDE -
SUFFIX : -12
SY-248
- B SIDE -
SUFFIX : -12
VID-P110
H