Mic Amp - Sony Handycam DCR-PC115 Service Manual

DCR-PC115/PC115E/PC120BT/PC120E
For Schematic Diagram
• Refer to page 4-67 for printed wiring board.
1
VM-027 BOARD(2/3)
MIC AMP(MI BLOCK)
A
-REF.NO.:30,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
MIC901
B
CN2004
(MIC UNIT)
(L)
(R)
C
D
E
F
G
16

MIC AMP

VM-027 (2/3)
2 3 4
R2007 R2008
33k
18k
R2013
6800
R2011
2200
R2012
2200
5P
REG_GND 1
C2006 C2014
4700p
100p
INT_MIC_GND 2
CH
B
INT_MIC_L 3
INT_MIC_GND 4
C2007
INT_MIC_R 5
0.022u
B
C2010
10u
6.3V
P
R2009
4700
C2008
0.01u
B
R2010
10k
C2012
10u 6.3V P
C2005
0.022u
B
C2009
4700p
B
C2011
0.001u
B
4-63
5 6
R2023
27k
C2023
0.068u
B
C2029
1608
R2024 2200p
R2016
B
0
1k
R2019
R2027
C2021
8200
22k
0.1u
B
R2017 C2027
0.022u
2k
R2020 B
20k 1608
C2018
C2015 100p
0.001u C2024
CH
B 0.1u
B
36 35 34 33 32 31 30 29 28 27 26 25
1.2
C_REG HPF_AMP_IN_L
GND
N.C.
1.4
ZOOM_AMP_OUT
1.4
IC2002
ZOOM_AMP_IN
N.C.
MIC AMP
IC2002
1.4
AN2901FHQ-EB
MIX_OUT
GND
1.4
C_1/2VCC
1.4
SUB_IN_R
1 2 3 4 5 6 7 8 9 10 11 12
C2013 R2015
100p
1k
CH
C2022
0.1u
C2026
C2017 B
R2022 0.022u
C2020
100p
20k 1608
0.1u
CH R2018 B
2k
R2021 R2028
8200
C2025
R2014
0.068u
6800
R2025
B
0
1608
R2026
27k
7 8
C2028
C2044
0.015u C2045
0.1u
0.1u
B
1608 B
B
1005
1005
R2037
11k
R2036
± 0.5%
11k
1005
± 0.5%
R2038
1005
5600
± 0.5%
1005
C2047 C2046
0.1u
0.1u
B B
1005 1005
R2039
XX
C2039
22u
4V
TA
N.C.
1.4
L_OUT
2.8
MIC_MONO
R2032
2.8
1200
ZOOM_BAL
1.4
ZOOM_POSI
2.8 R2033
VCC 33k
C2036
2.7
C2037
0.1u
10u
B
0
6.3V
EXT_MIC R2034
TA
P
1.8 18k
HPF_ON/OFF
1.4
C2038
R_OUT
0.22u
F
1608
N.C.
L2001
10uH
2520
R2031
33k
22k
C2031
2200p
B
C2032
0.015u
B
1608
4-64
9 10
SHOE_MIC_L
EXT_MIC_L
EXT_MIC_R
ZOOM_MIC_CONT
2
TO(3/3)
AU_2.8V
EXT_MIC_DET
REG_GND
(AU GND)
MIC_L
MIC_R
XMIC_MONO
SIGNAL PATH
AUDIO
SIGNAL
REC
PB