Yamaha LMY4-MLF Service Manual page 21

Mic/line input card
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X
W
V
U
T
LMY4-MLF CIRCUIT DIAGRAM 1/5 (ML4, HIC-HA)
Q Q
3 7 6 3 1 5 1 5 0
ML4
T E
L
1 3 9 4 2 2 9 6 5 1 3
REGULATOR -5V
w w w
: Mylar Capacitor
(マイラーコンデンサー)
: Metal Film Resistor
(金属被膜抵抗)
: Low Leak Capacitor
(ローリークコンデンサー)
.
: Electrolytic Capacitor
(OSコンデンサー)
: Flame Proof C. Resistor
(不燃化カーボン抵抗)
: Mica Capacitor
(マイカコンデンサー)
Note : See parts list for details of circuit board component parts.
S
R
Q
P
O
HIC-HA
4/5: U13
3/5: H16
4/5: U11
HIC-HA
4/5: U13
3/5: H16
4/5: U11
Notation for Circuit Diagrams
1. How to identify inter-sheet connectors
(シート間コネクタの読み方について)
3/5: H2
Signal name
3/5: H2
x
a o
y
i
N
http://www.xiaoyu163.com
M
L
K
J
8
MULTIPLEXER
4/5: L9
4/5: Q6
4/5: Q6
4/5: Q6
Q
Q
3
7
6
3
MULTIPLEXER
4/5: L9
(回路図表記上の注意)
4/5: Q7
4/5: Q7
4/5: Q8
(信号名)
3/5: V3
The number indicates the destination page.
(数字は信号の行先ページ数を示します。)
This indicates the location of the counter inter-sheet connector.
(The alphabet indicates horizontal direction and the number
indicates vertical direction.)
対応するシート間コネクタのあるロケーションを示します。
(アルファベットが水平方向、数字が垂直方向)
GAIN Setting table (GAIN
[dB]
Rated input
定格入力
GAIN
-68
-62
-56
-50
-44
-38
-32
u 1 6 3
-26
-20
-14
.
-8
-2
4
10
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I
H
G
F
E
2
4
9
9
8
3/5: V3
OP AMP
1
5
1
5
0
8
9
2
4
3/5: V5
設定表
)
HA1
PAD
HA2
DSP
HA GAIN
SEL*
GAIN
GC*
GAIN
GAIN*_X GAIN*_Y GAIN*_Z
"ON" CHANNEL
GAIN
38
HI
0
HI
30
HI
LOW
HI
1X,0Y,1Z
6
74
38
HI
0
HI
30
HI
LOW
HI
1X,0Y,1Z
0
68
38
HI
0
HI
24
LOW
HI
HI
0X,1Y,1Z
0
62
38
HI
0
HI
18
LOW
LOW
HI
0X,0Y,1Z
0
56
m
38
HI
0
HI
12
HI
LOW
LOW
1X,0Y,0Z
0
50
38
HI
0
HI
6
LOW
HI
LOW
0X,1Y,0Z
0
44
38
HI
0
HI
0
LOW
LOW
LOW
0X,0Y,0Z
0
38
c o
14
LOW
0
HI
18
LOW
LOW
HI
0X,0Y,1Z
0
32
14
LOW
0
HI
12
HI
LOW
LOW
1X,0Y,0Z
0
26
14
LOW
0
HI
6
LOW
HI
LOW
0X,1Y,0Z
0
20
14
LOW
0
HI
0
LOW
LOW
LOW
0X,0Y,0Z
0
14
14
LOW
-18
LOW
12
HI
LOW
LOW
1X,0Y,0Z
0
8
14
LOW
-18
LOW
6
LOW
HI
LOW
0X,1Y,0Z
0
2
14
LOW
-18
LOW
0
LOW
LOW
LOW
0X,0Y,0Z
0
-4
LMY4-MLF CIRCUIT DIAGRAM 1/5 (ML4, HIC-HA)
D
C
B
A
LMY4-MLF
1
2
9
9
NJM79L05A-T3 (XP264A00)
REGULATOR -5V
2
3
1: COMMON
1
2: INPUT
2
3
3: OUTPUT
4
5
6
7
8
9
8
2
9
9
9
10
11
12
13
14
15
** : not installed
16
28CC1-8829945-1
17
3

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