Korg DRV-1000 User manual

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DIGITAL

REVERB

DRV-1000

SERVICE

MANUAL

CONTENTS

1.

SPECIFICATIONS.

1

2.

STRUCTURAL

DIAGRAM.

2

3.

BLOCK

DIAGRAM

.

4

4.

CIRCUIT

DIAGRAM

.

5

5.

P.C.

BOARD.

10

6.

SYSTEM

EXPLANATION.

12

7.

ADJUSTMENT

PROCEDURE

.

13

8.

PARTS

LIST.

14

KORG

INC.

TOKYO/,IAPAN

1.

SPECIFICATIONS

•

Input.Input

level

-20dBm

Impedance

10k£2

Max.

clip

level

+5dBm

•

Output.

MIX

Lch

MIX

R

ch

Output

level

-10dBm

-IGdBm

Impedance

1k^2

1k^2

Max.

clip

level

+5dBm

+5dBm

•

Frequency

response

.Direct

20Hz

~

20kHz,

±1dB

Reverb

20Hz

~

10Hz,

+

1dB,

-3dB

•

Dynamic

range.Direct

95dB

(1HF-A)

Reverb

80dB

(IHF-A)

•

Distortion

..Direct

0.01%

Reverb

0.05%

•

Quantization.

16

bit

A/D

linear

conversion

{1

ch)

16

bit

D/A

linear

conversion

(2

ch)

•

Power

supply.

117

V,

220V,

or

240V

50/60Hz

7W

•

Dimension.

482mm

(W)

x

290mm

(D)

x

44mm

(H)

111

19"

(W)

x

11.4"

(D)

x

1.7"

(H)

1U

•

Weight..3.6

kg

7

lb

15-3/4

oz

*

Specifications

subject

to

change

without

notice.

|

PART

NO.

PART

NAME

PART

CODE

n

FRONT

PANEL

CHASSIS

FRONT

CHASSIS

64080700

64080400

64080600

4

HEATSINK

64063800

5

BUSHING

PLATE

6

SHIELDING

PLATE

63000300

7

KNOB

62017600

8

RUBBER

FEET

50008700

9

BUSHING

10

POWER

TRANSFORMER

11

P.C.

BOARD

KLM-839

34083900

12

P.C.

BOARD

KLM-840

34084000

13

P.C.

BOARD

KLM-841

34084000

14

P.C.

BOARD

KLM-B42

34084000

15

P.C.

BOARD

KLM-843

34084300

16

SUPPORT

SPACER

54008700

17

PUSH

SW

KNOB

62017700

PART

NO.

|

SCREWS.

NUTS

&

WASHERS

FEB

ZMC

3x6

FEBZMC

4x8

FE

B

BZMC

4x10

TP2GBBZMC

3x8

FHNZMC

4

VN

ZMC

7

VN

ZMC

9

TWU

ZMC

3

STRUCTURAL

DIAGRAM

PART

NO.

SCREWS

&

WASHER

TP2GB82MC

3x6

FE

F

BZMC

3x8

TWU

ZMC

3

FRONT

PANEL

CHASSIS

COVER

FRONT

PANEL

BOARD

NAME

PLATE

64080700

64080400

64080500

64063700

68600700

iNEUT

-20dB

SIGNAL

LEVEL

CO

w

r-

O

O

OUTPUT

L/MONO

D

>

O

J3

>

CONTROL

LONG

REV

CANCEL

t

CIO

ijPD27C2S6D-15f£P-ROM)

839

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$

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g

|

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4-

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<.

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cc

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vg

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74HC11

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74HC32

IC7

74HC0e

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DQ2

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6

I

INPUT

|

OUTPUT

1

l

/MONO

|

[output

r~1

KLM-840/841/842

VR2

20KB

X2

OUTPUT

I

MIX

♦

X-

SHIELDING

WIRE

-7-

—

8

—

CN6B

HNS-6

55

LC1-LC3

0SS310-550223S

T

101

TA803

AC-HO"

AC-CO

100V/117V

TB803

KLM-843

PCM54HP

KLM-839