Cording Guide(*Jb«>¥5I) - Yamaha CS-30 Service Manual

CS-30(S/ # 1001—)
CORDING GUIDE |)
O CIRCUIT BOARD AND WIRING
Two (2) black wires are connected to "E" on circuit board. One goes to each **E*' terminal of A and
FG circuit boards. In this case, the coding system is as follows:
Circuit board
mE
BL12 x 2
[The pattern shows the view
from the side parts mounted)
Color of wire.
Number of stands contained in the core.
(In case of 8 cores, the number is not shown.)
Number of wires.
RA-A-EI2)
RA-FG-EI2)
Terminal point physical eyelet space location
• Terminal reference.
•Unit (Board).
• Rack general physical location.
Terminal point shown on the board.
(Solder eyelet space number)
I— Terminal E shown on the board.
SYMBOL DESCRIPTION
Transistor
FET
E C B
• E3S
D G S
|BB*1
E: Emitter
C: Collector
B: Base
S: Source
G: Gate
D: Drain
Capacitor —lh~ Electrolytic capacitor
Polarity
Amark : Tantalum capacitor
NP mark: Nompolar capacitor
Myler, Ceramic and
Polystyrene Capacitor
Diode
(Zener Diode)
ABBREVIATIONS OF WIRE COLOR IN ELECTONE
Switch
OB
OT
OM
B: Break
T: Transfer
M: Make
BLACK . .BL
BROWN . .BR
RED...
RE
ORANGE. .OR YELLOW.
...YE GREEN GR
BLUE. . BE
VIOLET....
VI GRAY GY
WHITE . . WH
GRASS GREEN.
•••••• » ■
.GG SKY BLUE .. SB
PINK . . PK
TRANSPAPENT .... .TR
Q WIRE COLOR - Musical Note Indication
C C# D
I I I
BR RE OR
D# E F
I I I
YE GR BE
F= G G# A A# B
I I I I I I
VI GY WH GG SB PK
LOGIC SYMBOL
fMILn YAMAHA
NOT
A"O-Y
A-0"<
NOR
NAND
SO-
Exlusive OR
Truth Table
_ A B Y
0 0 0
1 0
1
0 1
1
1 1
0
NOT
(Inverter)
Truth Table
A Y
0
1
-J_ _Q_
OR
Truth Table
A
B Y
0 0 0
1 0
1
0 1
1
1
1 1
NOR
'.O'
Truth Table
A
B Y
0 0
1
1
0
0
0
1
0
1 1 0
AND
Truth Table
A 8 Y
0
0 0
1 0
0
0
1 0
1
1 1
NAND
::[•>'
Truth Table
A B
Y
0 0
1
1
0
1
0
1 1
0 0 0
-1 -