Akai AJ-P4270R Service Manual download pdf (Page 4)

SECTION

1

SERVICE

MANUAL

TABLE

OF

CONTENTS

I.

SPECIFICATIONS

4

II.

DISMANTLING

OF

UNIT

5

1.

HOW

TO

OPEN

THE

FRONT

PANEL

5

2.

HOW

TO

DISMANTLE

THE

KEYBOARD

5

3.

HOW

TO

DISMANTLE

THE

BEND

PANEL

BLOCK

5

III.

CONTROLS

6

IV.

THE

KEYBOARD

REACTION-SHIP

TO

EQUALLY

TEMPERED

SCALE

FREQUENCIES

AND

MUSICAL-NOTATION

7

V.

PRINCIPAL

PARTS

LOCATION

7

VI.

ADJUSTMENT

8

1.

BALANCE

OF

±6V

ON

THE

POWER

SUPPLY

PC

BOARD

8

2.

OFF-SET

OF

FINAL

VCA

ON

THE

VOICE

PC

BOARD

8

3.

BALANCE

OF

BBD

OUTPUT

ON

THE

CHORUS

PC

BOARD

9

4.

OFF-SET

OF

IC6

(LF

356)

ON

THE

CPU

PC

BOARD

9

VII.

PC

BOARD

TITLES

AND

IDENTIFICATION

NUMBERS

10

VIII.

MIDI

IMPLEMENTATION

CHART

10

This

Mannal

is

FOR

INTERNAL

USE

ONLY

and

most

not

be

made

available

to

unauthorized

personal.

No

part

of

this

manual

may

be

re

produced

in

any form

without

permission

from

AKAI-ELECTRIC

CO.,

LTD.,

Tokyo,

Japan.

-SERVICE

MANUAL-

1 2 3 4 5 6 7 8 9 ... 44 45

Comments to this Manuals

No comments