Yamaha KMA-1080 Service Manual page 34

A B C
KMA-1080/KMA-980
OPERATION 1/2
1
OPERATION (2)
2
0
3
4
9.5 9.5 9.2
0.7
0.7 0.7
KEY CONTROL
6.0
0.3
0
4.8 +4
-5
3.7 7.9
7.9
5
6.0
0.3
4.8 +5
0 -4
7.9 3.7
7.9
6.0
0.3
0 -3 4.8 0
5.5
7.8
3.7
7.8
7.0
0.2
6
1
0
4.8
-2
7.9 5.5
7.9 3.7
5.9
0.3
2
0
4.8
-1
7.8 5.5
7.8 3.7
7.0
0.2
0 3
7
4.8
7.9 5.5
7.9 3.7
7.0
0.2
0 4.8
+1 4
7.9 5.5
7.9 3.7
6.9
0.2
0 5
+2 4.8
7.8 5.5
7.8 3.7
8
5.7
0.3
0
+3 4.8 6
7.7 5.5
7.7 3.7
9
10
34
D E F
IC701
2.5
0.7
0.7 2.5
KMA-1080
Page 35
to OPERATION (5)_W701
9.5 9.5
9.5
9.5
KMA-980
Page 35
0.7 0.7 0.7 0.7
to OPERATION (6)_W702
5.5
3 0 8
7.9 5.4
5.4 5.3 4.9
7.9 7.9
5.5
4 1 9
4.9
7.9
5.4 7.9 5.4 7.9 5.3
7 5 2 10
7.8 5.4 7.8 5.4 7.8 5.3 7.8 4.9
DVD
8 6 3
5.4 5.4 5.3 4.9
7.9 7.9 7.9 7.9
AUX
9 7 4
7.8 5.4 7.8 5.4 7.8 5.3 7.8 4.9
TAPE
10 8 5
7.9 5.4 7.9 5.4 7.9 5.3 7.9 4.9
BGM
0 9 6
7.9 5.4 7.9 5.5 7.9 5.3 7.9 4.9
KMA-1080 only
1 10 7
7.8 5.4 7.8 5.4 7.8 5.3
2
5.4
7.7
G H
INPUT
KEY CONTROL
CB707
F2
H2
MUSIC
MIC
ECHO
MUSIC MIN
0 2.0
MUSIC MAX
0 2.0
KEY CONTROL
0 2.0
KEY CONTROL
0 2.0
0 2.0
0 2.0
ECHO MIN
0 2.0
ECHO MAX
0 2.0
MIC MIN
0 2.0
MIC MAX
0 2.0
MUSIC
0 2.0
ECHO
0 2.0
MIC
0 2.0
I J K
Page 32 I6
to FUNCTION (1)_CB15
CB706
L M N
IC701: NJU3718AM
20-bit Serial parallel converter
P9 VDD
1 30
P10 2 29 P8
P11 3 28 P7
P12 4 27 P6
P13 5 26 P5
P14 6 25 P4
VSS 7 24 P3
NC 8 23 NC
P15 VSS
9 22
P16 10 21 P2
P17 11 20 P1
P18 12 19 CLR
P19 13 18 STB
P20 14 17 CLK
SO 15 16 DATA
DATA P1
P2
P3
CLK
P4
SHIFT
LATCH
REGISTER
P5
CIRCUIT
P18
P19
P20
SO
STB
CONTROLLER CIRCUIT
CLR
* All voltages are measured with a 10MΩ/V DC electronic volt meter.
* Components having special characteristics are marked Z and must be replaced
with parts having specifications equal to those originally installed.
* Schematic diagram is subject to change without notice.
O