Yamaha CS 40M Service Manual alt

Page 1

CONTENTS

CODING GUIDE ............................................ 2

DISASSEMBLY PROCEDURE ................................. 3

SPECIFICATIONS .......................................... 4

PANEL LAYOUT ........................................... 5
SK Circuit Diagram ............................................. 6
SK Circuit Board & Wiring ....................................... 7
PA Circuit Diagram ............................................. 8
PA Circuit Board & Wiring ....................................... 9
PB Circuit Diagram ............................................. 10
PB Circuit Board & Wiring ....................................... l 1
VCO Circuit Diagram ............................................. 12
VCO Circuit Board & Wiring ....................................... l3
MOD Circuit Diagram ............................................. l4
MOD Circuit Board & Wiring ....................................... 15
FA Circuit Diagram ............................................. 16
FA Circuit Board & Wiring ....................................... 17
IF Circuit Diagram ............................................. 18
IF Circuit Board & Wiring ....................................... l9
PGM Circuit Diagram ............................................. 20
PGM Circuit Board & Wiring ....................................... 21
DM Circuit Diagram ............................................. 22
DM Circuit Board & Wiring ....................................... 23
PL Circuit Diagram ............................................. 24
PL Circuit Board & Wiring ....................................... 25
BL, BR, KS Circuit Diagram ........................................... 26
BL, BR Circuit Board & Wiring ..................................... 27
JK, SW Circuit Diagram ............................................. 28
JK1,JK2 Circuit Board & Wiring ................. , ..................... 29
DC Circuit Diagram ............................................. 30
DC Circuit Board & Wiring ....................................... 31

PANEL SETTING ........................................... 32

TUNING ...... ............................................ 33

Electrical Checks & Adjustments ................................ 34

PARTS LIST ............................................... 53

Page 2

CODING GUIDE

I] Wiring Notation

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I Terminal name on the Circuit Board
/- Circuit Board name of destination .
_ was 9.33:". to PM u Note: Types of Wire
: \Terminal name on the destination aL Ordinary wire
I Circuit Board
I Color code of the wire BL
: E Shield wire
Symbol Description
E
_. E: Emitter . _ .
Transistor (c p c: Collector Capacrtors 4T Electrolytic capacitor
C r H B: Base Polaritv
A : Tantalum capacitor
5 NP: Nonpolar capacitor
5 D G 5 S: Source
FET , G: Gate -II-
D ' D: Drain Mylar, ceramic or
polystyrene capacitor
8
' o) 05 BI Break
Diode -+l>- + SWItch v or T - Transfer
. o OH M3 Make
(Zener Diode) M
I Abbreviations of Wire Color Codes
BLACKK7D) ................. BL BROWler" V ....... BR REDKTN , . RE
ORANGE< 9 4) -------------- OR YFLLOWl$4l . - , vvvvvvv YE GREEN l : ll - were
BLUErjvzl,, . BE WOLETlLil' ...................... VI GpAyf/\{\ . ..VLH YMGV
WHIlH / D] ' ' ---- WH GRASS GREENV /fl~ ~ -' GG SKY BLUEII / 7) """""""" SH
PINMéfl- - -PK TRANSlARENTi r7244) --------- -TR
fl Relation of 'Color Coding and Notes
C C : D D = E F F : G G : A T: E
BR RE OR YE GR BE VI GY WH G6 88 PK
(fr) (7'77) (7f) (41) (i H (721) (13) (HT) (913') (741') (15 Hit)
L09": Symbols Excluswe OR NOT
(iiiflEBJEmgfi) (Invcrier)

219' A-Dw

NOT A {>°- V A -{>°- V - Truth Table Truth Table
A h A B Y A V
NOR D v + - r L L L l. H
a -
a H L H
_ n A L H H
NAND a D-V ED H H ._ H L
AND NAND
A A
a . V a v
Truth Table Truth Table Truth Table Truth Table
n B V A B V A B V A 3 V
R , 7 ,, A ,A_ L,
L L L L L H L L L L L H
H L H H L L H L L H L H
L H H L H L L H L L H H
H H H H H L H H I H H H L