DCR-TRV22/TRV22E
COVER
COVER
4-31
4-32
MA-421 (1/2)
For Schematic Diagram
• Refer to page 4-83 for printed wiring board.
4-2. SCHEMATIC DIAGRAMS
MA-421 PRINTED WIRING BOARD
4-2. SCHEMATIC DIAGRAMS
MA-421 PRINTED WIRING BOARD
1.4
1.4
2.5
1.4
0
1.4
1.4
1.4
1.4
1.4
1.4
1.2
1.4
1.4
1.4
1.4
2.8
1.4
2.8
2.6
2.0
2.8
0.8
2.8
2.5
1.4
0.1
1.4
2.5
1.4
2.2
1.4
1.4
1.4
1.4
1.4
1.4
NO MARK:REC/PB MODE
0
12k
R5525
B
0.01u
C5504
1k
R5510
XX
R5519
10k
R5503
10k
R5515
4700
R5504
BH7870AKV-E2
IC5501
1
2
3
4
5
6
7
8
9
10 11 12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
XX
C5518
XX
R5516
XX
C5530
B
0.0068u
C5529
B
0.1u
C5519
XX
C5515
B
0.001u
C5514
B
0.01u
C5502
10k
R5517
2200
R5506
2200
R5501
2700
R5502
XX
C5531
XX
R5514
B
0.0068u
C5528
1k
R5511
CH
100p
C5512
XX
C5524
XX
R5513
B
0.1u
C5521
B
0.022u
C5501
100k
R5524
CH
100p
C5517
2200
R5507
CH
100p
C5513
A
6.3V
10u
C5506
CH
100p
C5516
A
6.3V
10u
C5511
3300
R5520
0.01u
B
C5505
B
0.022u
C5503
MIC_R
REG_GND
100uH
L5501
MIC_L
6800
R5508
REG_GND
B
0.1u
C5520
MIC_MONO
XX
R5518
XX
C5522
MIC_IN
XX
C5527
ZOOM_MIC_CONT
B
0.001u
C5510
3300
R5521
0
R5505
6800
R5509
0
R5522
XX
C5533
B
0.047u
C5535
B
0.1u
C5523
B
0.047u
C5537
3300
R5527
XX
C5536
XX
R5528
XX
C5538
XX
R5529
XX
R5526
XX
R5512
SHOE_MIC_L
AU_2.8V
0
R5530
0
R5532
0
R5531
22u 6.3V
A
TA
C5532
0
R5533
0
R5534
XX
C5539
J5401
FB5406
0uH
FB5405
0uH
4P
CN5401
1
INT_MIC_L
2
GND
3
NIT_MIC_R
4
GND
VD5402
VD5401
LND5401
A
1
A
NC
INVT_OUT_L
EXT_IN_R
NC
SUB_SIG_OUT_L
MODE_CTL_1
C_REG
AMP_OUT_R
C_1/2VCC
SG_IN_R
INVT_OUT_R
HPF_OUT_L
SUB_SIG_OUT_R
HPF_AMP_IN_L
MTX_AMP_IN_R
INT_IN_L
MTX_AMP_OUT_R
SUB_IN_L
HPF_OUT_R
GND
HPF_AMP_IN_R
ZOOM_AMP_OUT
HPF_ON/OFF
R_OUT
ZOOM_AMP_IN
REG_2.5V
MIC_MONO
MIX_OUT
EXT_IN_L
L_OUT
GND
MODE_CTL_2
ZOOM_BAL
INT_IN_R
SG_IN_L
ZOOM_POSI
SUB_IN_R
MTX_AMP_OUT_L
VCC
NC
AMP_OUT_L
EXT_MIC
NC
MTX_AMP_IN_L
REG_2.5V
L-CH
R-CH
MIC901
MIC UNIT
MIC
(PLUG IN POWER)
MIC AMP
MA-421 BOARD(1/2)
MIC AMP
XX MARK:NO MOUNT
2
G
5
E
3
F
4
C
9
12
D
B
8
11
7
6
10
16
SIGNAL
SIGNAL PATH
AUDIO
PB
REC
MIC
MIC