Sony MVC-FD97 Service Manual page 59

MA-404 (MIC AMP) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
– Ref. No.: MA-404 board; 2,000 series –
• For Printed Wiring Board.
• MA-404 board is four-layer print board. However, the patterns
of layers 2 to 3 have not been included in the diagram.
• There are a few cases that the part isn't mounted in this model
is printed on this diagram..
4-61
1 2 3
MA-404 BOARD
A
MIC AMP
-REF.NO.:2,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
AE-25 BOARD
CN351
THROUGH THE
FP-174 FLEXIBLE
(SEE PAGE 4-64)
C
D
E
F
CN301 10P
KEY_AD4 10
REG_GND 9
XRS_ON1 8
FC-85 BOARD (9/12)
XRS_ON2 7
CN402
THROUGH THE
ZOOM_SW_AD 6
FP-171 FLEXIBLE
D_3.2V 5
(SEE PAGE 4-31)
MIC_GND 4
G
MIC_SIG 3
MIC_GND 2
A_4.9V 1
05
MVC-FD97
4 5 6
CONTROL SWITCH
BLOCK
T
RV001
ZOOM
W
2 4
1 3
S001
(SHUTTER)
R304
C302 R302 C301
CN305 2P
1200
XX 180 XX
C304
1 MIC SIG
0.1u
2 MIC GND
C307
33u
4V
R301
820
C303
R303
100 1u
2.3
1 2 3 4
IC301
C306
0.1u
MIC AMP
IC301
NJM2118V-TE2
SIGNAL PATH
8 7 6 5
AUDIO
4.9 1.3
SIGNAL
C305
L301
1u
10uH
REC
MIC AMP
4-62
7
MIC901
MIC
MA-404