Korg POLY-61 User manual

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PROGRAMMABLE

POLYPHONIC

SYNTHESIZER

SERVICE

MANUAL

POIY-61

CONTENTS

1.

SPECI

U

‘’CATIONS.

1

2.

STRUCTURAL

DIAGRAM.

2

3.

BLOCK

DIAGRAM.

4

4.

CIRCUIT

DIAGRAM.

5

5.

REFERENCE

DATA.

9

6.

PC

BOARD

.

10

7.

SETTING

CHAS

iS.

18

8.

CHECK

AND

ADJUSTMENT

PROCEDURE

....

19

9.

PARTS

LIST

.

25

v

\

KEIO

ELt-CTHONIC

LABORATORY

CORPORATION

TOKYO/JAPAN

1.

SPECIFICATIONS

Keyboard

.

.

61

keys

(C-C)

(Module

parameters)

(Panel

controls)

DCOI*

.

.

Octave

switch

(16’,

8’,

4’)

Tune.

±100

cents

Waveform

(r\

,

PW,

PWM)

Joystick

.

Pitch

bend

range:

max.

±700

Pulse

width,

PWM

depth

cents

DC02*

.

•

Octave

switch

(16’,

8’,

4’)

MG

frequency

Waveform

(D\,

n_,OFF)

X:

pitch

bends,

Y+:

vibrato,

Interval:

Unison,

Minor

3rd,

Y-:

wah-wah

Major

3rd,

Perfect

4th,

Volume.

Adjustable

Perfect

5th

Tape

interface.

SAVE

Detune:

1—6

(max.

50

cents)

FOAD

VCF*.

■

Cutoff

frequency:

0—63

VERIFY

Resonance:

0—7

CANCEF

Keyboard

tracking:

OFF,

FUFF

Indicator.

Program

number

display

EG

modulation

intensity:

0—7

Parameter

number

display

EG*.

■

Attack

time:

0—15

Value

display

Decay

time:

0—15

Input

jacks

.

FROM

TAPE

(HIGH/FOW

Sustain

level:

0—15

switch)

Release

time:

0—15

Arpeggiator

trigger

in

(~

*-GND

VCA*.

■

Mode

switch

(EG,

n_)

PROGRAM

UP

Ct-GND)

MG*.

•

Frequency:

0—15

REFEASE

(

“t-GND)

Delay:

0-3

Output

jacks.

OUTPUT

(HIGH/FOW

switch)

DCO

modulation

depth:

0—7

HEADPHONE

VCF

modulation

depth:

0—7

TO

TAPE

(HIGH/FOW

switch)

Key

assign

modes

•

•

•

■

•

Poly

Tape

switch.

ENABFE/DISABFE

Chord

memory

WRITE

switch.

ENABFE/DISABFE

Hold

Dimensions.

■

985(W)

x

350(D)

x

110(H)

mm

Arpeggiator.

•

ON/OFF

Weight.

12

kg

Speed

Supplied

accessories

•

•

•

Data

cassette,

Connection

cord,

Fateh

(ON/OFF)

Plug

adaptor

Range

(FUFF,

2

Octave,

1

Octave)

Power

consumption

•

■

•

•

28

W

Mode

(UP,

UP/DOWN,

DOWN)

Operating

temperature

•

■

0-40°

C

*

Programming

and

editing

available.

i

2.

STRUCTURAL

DIAGRAM

PART

NO.

PART

NAME

REMARKS

1

Panel

KOC-C20124

2

Metal

fittings

of

phone

jack

KOC-C30205

3

Led

cover

KOC-E40129

4

Tact

SW

knob

A

KOC-E30042

(Ivory)

5

Tact

SW

knob

B

No.

1

KOC-E30043

(Ivory)

6

Tact

SW

knob

B

No.

2

KOC-E30043

(Red)

7

Tact

SW

escutcheon

1

KOC-E20047

8

Tact

SW

escutcheon

2

KOC-E20048

9

Tact

SW

escutcheon

3

KOC-E

20049

10

Tact

SW

escutcheon

8

KOC-E20050

11

Rotary

VR

knob

KOC-E40087

12

Slide

SW

knob

(High

6m/m

black)

13

Slide

SW

mask

KOC-F40222

LEVER

KNOB

PART

NO.

PART

NAME

REMARK

1

Wooden

case

KOC-D10014

2

Keyboard

ESK-70

3

PC

board

rail

4

Control

panel

KOC-20040

5

Joystick

6

Radiation

board

KOC-C30207

7

Shielding

sheet

KOC-F40227

8

Bushing

TA-305

(Black)

9

••

TB-300

(Black)

10

-

TA-310

11

■■

TB-300

12

Felt

KOC-F40186

13

Shielding

sheet

14

Fuse

seal

Fuse

250V

1A

(T1

A)

15

"

Fuse

250V

2A

(T2A)

3

3.

BLOCK

DIAGRAM

4

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

KLM-476,

477,

478,

479,

481,

482

(OLD

PRODUCTION)

KLM-478

ANT

I

BOARD

CN-34b

7

KLM-508,

477,

479,

481,

482

(NEW

PRODUCTION)

KLM

—508

SYNTH

BOARD

amoK:

[xnxixi

iit'ir.ftrra

a

«a—

oHt-e

!

■

—aa

t-jj—

■

jajy&a

gj^yis

gUl

ggi