Yamaha KMA-1000 Service Manual page 40

A B C
KMA-1000/KMA-950
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
40
D E F
KMA-1000
IC701
2.5
0.7
0.7 2.5
9.5 9.5
9.5
9.5
0.7 0.7 0.7 0.7
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
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
Page 41 F2
to OPERATION (5)_W701
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 37 H6
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