Korg POLY-61 - 4. CIRCUIT DIAGRAM; KLM-475 and KLM-509 Circuit Diagrams

4. CIRCUIT DIAGRAM
KLM-475 (OLD PRODUCTION)
C4I
KIM-475
CPU BOARD
ic . .
CN3U 4 5M
TOTAK
4 - ? &fc 0 8 j
[rg 2903 ica» |
HW40OJ
8049
n
Vnn ir.XODO
^C33 7
D1
03
X)
X2
04
DC
D7
RD
WH
SS
E A
PSEN
PIG
P11
PROG P12
PH
P14
P15
PI 6
P17
P7G
P2.1
P22
Tt
P23
P24
TQ
P25
P2G
1 NT
P27
rrri ba6
|03M |
-.CH-25B C6
ctT
m
A
sr ™
^ [tS
W
~3,
(33
XTAL
XI
4
«*(!»,
8M)i
8049
IC 1
D QJ
*•0217 D1
*tc
0 2
D 3
D4
XI
D5
x2
D 6
HTSTr
D 7
$r
ALE
EA
Wo
psCn
Wfl
PROG
PIO
PM
P 1 2
P13
PH
Plb
Plft
P17
P20
P2I
P22
T 1
P2 3
P24
TO
P2 5
P2 G
» NT
P27
5