Roland Jazz chorus jc-50 User manual

Other manuals for Jazz chorus JC-50

2

Table of contents

Other Roland Amplifier manuals

Popular Amplifier manuals by other brands

ASTRO

ASTRO HVO V40 P operating manual

Marantz

Marantz SUPERSCOPE BLA-545 Service data

NAD

NAD CI980 Quick setup guide

Technics

Technics SE-CH770 Service manual

Harman Kardon

Harman Kardon HK6300 instruction manual

NAD

NAD T975 owner's manual

McIntosh

McIntosh MA6850 Brochure & specs

Electro-Harmonix

Electro-Harmonix ENGLISH MUFF’N manual

Viatron

Viatron Autrix Technical manual

GME

GME GA9800 instruction manual

Atlas

Atlas CP700 Specification sheet

Pyle

Pyle PFMRA350BW user manual

Advantage

Advantage S-250 manual

IRT Electronics

IRT Electronics DVA-3007 manual

Dimavery

Dimavery BA-100 Series user manual

Sony

Sony XM-S400D operating instructions

Schertler

Schertler ROY X quick guide

Phonic

Phonic XP 3000 Service manual

|

=]

a(e)f=lale

JAZZ

CHORUS

JC-50

INSTRUCTIONS

I=

Roland

JAZZ

CHORUS

FEATURES

@50

watt

output

combination

amplifier

(rms)

equipped

with

chorus

effect

for

deep

and

extensive

sound,

and

characteristic

soft

vibrato

effect

(frequency

modulation).

®With

two

input

jacks

(high-gain

and

low-gain),

you

can

use

a

guitar

having

any

kind

of

output.

@Provided

with

Bright

Switch

for

a

wider

variety

of.

tone

setting.

@Provided

with

sweet,

creamy

soft

distortion

effect

and

reverb

effect

for

fidelity

and

fullness

of

reverb

_

by

the

“folded

delay

line’

or

the

latest

‘“Z

fold”

reverb

unit.

:

@Cabinet

is

perfectly

guarded:

edges

by

hard

fiber

and

corners

by

PP

protector.

‘

@Chorus/Vibrato,

Reverb

and

Distortion

can

be

remote-controlled

by

footswitches.

You

can

switch

on/off

instantly

without

having

to

take

your

hands

from

the

guitar.

@Provided

with

phones

jack,

you

can

hear

through

ordinary

monaural

or

stereo

headphones.

®Provided

with

a

Chorus/Vibrato

output

jack.

When

another

guitar

amplifier

is

connected

to

this

unit

through

this

jack,

a

rich

effect

of

stereo

chorus

and

vibrato

can

easily

be

achieved.

Please

read

these

instructions

carefully

for

proper

connecting

and

operating

procedures.

JC-50

INSTRUCTIONS

RADIO

AND

TELEVISION

INTERFERENCE

“Warning

—

This

equipment

has

been

verified

to

comply

with

the

limits

for

a

Class

B

computing

device,

Pursuant

to

Subpart

J,

of

Part

15,

of

FCC

rules.

Operation

with

non-certified

or

non-verified

equip-

The

equipment

described

in

this

manual

generates

and

uses

radio-frequency

energy.

If

it

is

not

installed

and

used

properiy,

that

is,

in

strict

accordance

with

our

instructions,

it

may

cause

interfer-

ence

with

radio

and

television

reception.

This

equipment

has

been

tested

and

found

to

comply

with

the

limits

for

a

Class

8

computing

Gevice

in

accordance

with

the

specifications

in

Subpart

J,

of

Part

15,

of

FCC

Rules.

These

rutes

are

designed

to

provide

reasonable

protection

against

such

a

interference

in

a

residential

installation.

However,

there

is

nO

guarantee

that

the

interference

will

not

occur

in

a

particular

instaliation.

I+

this

equipment

does

cause

interference

to

radio

or

television

reception,

which

can

be

determined

by

turning

the

equipment

on

and

off,

the

user

is

encouraged

to

try

to

correct

the

interference

by

the

following

measure:

@

Disconnect

other

devices

and

their

input/output

cables

one

at

a

time.

If

the

interference

s.ops,

it

is

caused

by

either

the

other

device

or

its

|/O

cable,

These

devices

usualty

require

Roland

designated

shielded

1/O

cables.

For

Roland

devices,

you

can

obtain

the

proper

shieided

cable

from

your

dealer,

For

nen

Roiand

devices,

contact

the

manufacturer

or

dealer

for

assistance.

lf

your

equipment

does

cause

interterence

to

radio

or

television

reception,

you

can

try

to

correct

the

interference

by

using

one

or

more

of

the

failowing

measures:

@

Turn

the

TV

or

radio

antenna

until

the

interference

stops.

@

Move

the

equipment

to

one

side

or

the

other

af

the

TV

or

radio.

@

Move

the

equipment

farther

away

from

the

TV

or

radio.

@

Plug

the

equipment

into

an

outlet

that

is

on

a

different

circuit

than

the

TV

or

radio.

(That

is,

maké

certain

the

equipment

and

the

radio

or

television

set

are

on

circuits

controtied

by

different

circuit

breakers

or

fuses.)

@

Consider

installing

a

rooftop

television

antenna

with

coaxial

cable

jead-in

between

the

antenna

and

Ty.

If

necessary,

you

should

consuit

your

deaier

or

an

experienced

radio/television

technician

for

additionai

suggestions.

You

may

find

helpful

the

following

booklet

prepared

by

the

Federa!

Com-

munications

Commission:

“How

to

Identity

and

Resolve

Radio-TV

interference

Problems”

This

bookiet

is

availabie

fram

the

U.S.

Government

Printing

Office,

Washington,

D.C.,

20402,

Stock

No,

004-000-00345.4.

CONNECTING

JC-50

FOOTSWITCH

TO

DISTORTION

JACK

FS-2

[

FOOTSWITCH

FS-1

*

FS-3

with

three

switches

TO

REVERB

JACK

is

also

available.

HEADPHONES

RH-10

TO

EXTERNAL

GUITAR

AMP’S

MAIN

INPUT

(LO

INPUT)

LOW

INPUT

Hcccocce

|imag

GUITAR

(In

case

of

JC-50)

OPERATING

JC-50

TO

OBTAIN

NORMAL

SOUND:

Set

knobs

and

controls

as

illustrated

below

and

adjust

volume

and

tone

controls

(Treble-Bass)

to

proper

positions

while

playing

your

guitar.

VOLUME

TREBLE

BASS

»

OOOO

OFF

O

O00

»

@

TO

ADJUST

CHORUS:

After

perfecting

the

setting

for

normal

sound,

set

Chorus/Vibrato

changeover

switch

to

Chorus,

to

obtain

chorus

effect.

©

°e

1

OOOOO0O0O!4,

o

6

CHORUS

TO

ADJUST

VIBRATO:

After

perfecting

the

setting

for

normal

sound,

set

Chorus/Vibrato

changeover

switch

to

Vibrato,

to

obtain

vibrato

effect.

Set

Speed

and

Depth

controls

at

proper

positions

while

playing

your

guitar.

©

SPEED

DEPTH

{Oy

e

16000000!

°-

@

TO

OBTAIN

DISTORTION

SOUND:

Starting

from

the

setting

for

normal

sound,

set

Distortion

control

at

a

proper

position

in

ON

region

to

obtain

soft

distortion.

DISTORTION

©

2

>OOOO0O0O0*

°o

6

5

TO

ADJUST

REVERB

CONTROL:

Turn

Reverb

Control

to

proper

position

to

obtain

the

reverberation

effect

as

you

like.

CHORUS

EFFECT

With

the

chorus

effect

of

JC

series,

sound-delay

circuit

is

to

produce

a

unison.

By

this

unique

chorus

effect,

sweet

and

used

to

make

a

signal

having

a

slightly

different

pitch

from

soft

color

is

added

to

the

electric

guitar

tone.

the

direct

sound,

which

is

then

mixed

with

the

direct

sound

CONTROLS

AND

FUNCTIONS

CONTROL

PANEL

VIBRATO

SPEED

VIBRATO

DEPTH

INPUT

JACK

BRIGHT

SWITCH

VOLUME

TREBLE

BASS

DISTORTION

REVERB

CHORUS/VIBRATO

PILOT

LAMP

POWER

SWITCH

INPUT

JACK

Two

input

jacks

(high

and

low)

are

equipped.

For

ordinary

output

guitar,

connect

to

“HIGH.”

For

very

big

output

guitars,

connect

to

“LOW.”

BRIGHT

SWITCH

When

this

switch

is

set

to

ON,

clearer

sound

can

be

obtained.

Thus,

the

tone

can

be

changed

to

hard

or

soft.

VOLUME

This

knob

controls

volume.

Turn

clock-

wise

(©)

to

increase,

and

counterclock-

wise

((),

to

decrease.

TREBLE

This

knob

controls

high

range

response.

Turn

clockwise

(Q)

to

lift

and

counter-

clockwise

(),

to

cut.

BASS

This

knob

controls

low

range

response.

Turn

clockwise

(©)

to

lift

and

counter-

clockwise

(©),

to

cut.

DISTORTION

This

knob

controls

distortion.

Turn

clockwise

{Q)

for

greater

distortion,

and

counterclockwise

(©)

for

slight

distor-

tion.

At

OFF

position,

no

distortion

is

produced.

REVERB

This

knob

controls

reverberation

sound.

Turn

clockwise

(Q)

to

increase,

and

counterclockwise

(©)

to

decrease.

VIBRATO

SPEED

This

knob

controls

speed

of

vibrato.

Turn

clockwise

(©)

for

faster

speed

and

counterclockwise

(©)

for

slower

vibrato.

REAR

PANEL

CHORUS/VIBRATO

DISTORTION

PHONES

JACK

REVERB

CHORUS/VIBRATO

OUTPUT

JACK

FOOTSWITCH

JACK

PHONES

JACK

Connecting

headphones

to

this

jack,

no

sound

is

produced

through

the

speaker.

You

can

enjoy

your

playing

loud

even

at

midnight.

Stereo

headphones

can

be

used,

DISTORTION

FOOTSWITCH

JACK

Connect

footswitch

to

this

jack

and

you

can

remote-control

Distortion

to

ON

or

OFF

while

in

performance.

CHORUS/VIBRATO

FOOTSWITCH

JACK

Connect

footswitch

to

this

jack

and

you

can

remote-control

Chorus

or

Vibrato,

whichever

is

set

with

Chorus/Vibrato

changeover

switch

on

the

control

panel,

to

ON

or

OFF

while

in

performance.

REVERB

FOOTSWITCH

JACK

Connect

footswitch

to

this

jack

and

you

can

remote-control

Reverb

to

ON

or

OFF

while

in

performance.

VIBRATO

DEPTH

This

knob

controls

depth

of

vibrato.

Turn

clockwise

(Q)

for

deeper

effect.

CHORUS/OFF/VIBRATO

CHANGE.

OVER

SWITCH

Changeover

of

chorus-normal-vibrato

can

be

accomplished

simply

by

touching

this

switch.

POWER/POLARITY

SWITCH

—

PILOT

LAMP

Set

to

ON

to

run

the

amplifier.

Pilot

lamp

lights.

If

noise

or

power-line

hum

is

heard,

change

the

polarity

of

power

switch.

CHORUS/VIBRATO

OUTPUT

JACK

When

this

unit

is

connected

to

an

ex-

ternal

amplifier

through

the

Chorus/

Vibrato

output

jack,

widely

expanding

chorus

and

vibrato

effects

can

be

ac-

hieved.

The

output

level

is

OdB,

and

the

following

functions

are

provided.

@

This

unit

must

be

connected

to

either

MAIN-IN

or

LOW

INPUT

jack

of

an

external

amplifier

through

the

Cho-

rus/Vibrato

output

jack.

1.

When

the

Chorus/Vibrato

selector

switch

is

OFF,

normal

sound

is

pro-

duced

from

the

JC-50,

and

sound

identical

to

that

from

the

REC

OUT

jack

of

the

JC-50

is

produced

from

the

external

amplifier.

2.

When

the

mode

select

switch

remains

On,

the

unit

outputs

only

the

normal

and

reverb

sounds,

while

the

external

amplifier

outputs

either

the

chorus

or

vibrato

effect

sound

only

(whereas

the

reverb

sound

is

not

sent

out

at

all).

JC-50

INSTRUCTIONS

Printed

in

Japan

Feb.

‘85

A-3

CAUTION

SPECIFICATIONS

e

if

neon

or

fluorescent

lamp

is

located

close

to

amplifiers

or

Output..........

50W

(rms)

instruments,

that

may

cause

noise.

Separate

them

from

each

Speak

30

1

other.

Also,

selecting

direction

of

guitar

can

reduce

the

noise.

POAIREE

ane

2

ig

ee

er

.

Channel

.........

1

olf

beats

.

:

out

the

eel

ae

with

amplifier

volume

Input

jacks

.......

High/Low

=

ia

Ne

ns

‘

speaker

Ss

eavily

oaded,

Raveing

the

fear

Controls

.........

Volume,

Treble,

Bass,

Distortion,

Oo

reaking

it.

Do

it

after

turning

volume

to

‘0’'

without

Reverb,

Vibrato

speed,

Vibrato

fail.

depth

@When

connecting

instrument

and

amplifier,

connect

cord

Switches.........

Bright,

Chorus/Vibrato,

Power

plug

to

instrument

first

and

then

the

other

end

to

amplifier.

SACKS

5

6

oe

ee

a

es

Footswitch

(Chorus/Vibrato,

For

disconnection,

reverse

the

order:

from

amplifier

first

and

then

from

instrument.

.

Distortion,

Reverb),

Phones

Chorus/Vibrato

Out

,

Le

.

.

Power

consumption

150VA

@Do

not

exert

big

shock

upon

amplifier.

Avoid

moving

:

i

amplifier

while

it

is

in

operation.

Dimensions

0

vs

+

perl

apes

a

@

Avoid

using

JC-50

where

there

is

much

dust

or

under

high

Weight..........

18kg,

40lbs

humidity

conditions,

which

may

cause

trouble.

Accessary

........

Vinyl

cover

©

If

amplifier

is

soiled,

clean

with

neutral

cleanser.

*

Avoid

using

thinner

or

the

like.

eWhen

replacing

a

fuse,

be

sure

to

use

the

one

with

the

specified

rating.

OPTION

FOOTSWITCH

FS-2

STEREO

HEADPHONES

RH-10

Footswitch

for

remote-controlled

ON/

Footswitch

for

remote-controlled

ON/

Stereo

headphones

best-suited

for

moni-

OFF

operation

of

effects.

OFF

operation

of

effects.

toring

guitar

amplifier,

keyboard,

mixer,

@

FS-5

with

5m

cord

is

also

available.

etc.

FOOTSWITCH

FS-1

TROUBLESHOOTING

GUIDE

If

your

unit

does

not

operate

properly,

take

proper

action

consulting

the

table

below.

The

symptom

listed

would

be

caused

by

mistake

in

using

the

unit.

If

the

trouble

cannot

be

remedied

even

after

the

actions

are

taken

as

instructed,

or

if

there

is

any

symptom

other

than

those

listed,

make

contact

with

the

shop

where

you

bought

your

JC-50.

SYMPTOM

Even

when

power

switch

is

set

to

ON,

pilot

lamp

does

not

light

and

no

sound

is

produced.

POSSIBLE

CAUSE

Imperfect

connection

of

power

cord.

Pilot

lamp

lights,

but

no

sound

is

produced.

|———______—

Volume

is

set

to

minimum.

ACTION

TO

BE

TAKEN

Plug

in

power

cord

perfectly.

Turn

to

proper

level.

Distortion

not

effected.

Footswitch

is

set

to

OFF.

Tread

footswitch

to

ON.

Reverb

effect

inoperative.

Vibrato

effect

inoperative.

Footswitch

is

set

to

OFF.

Reverb

control

is

set

to

minimum.

set

to

center

position.

Footswitch

is

set

to

OFF.

Speed

or

depth

control

is

set

to

minimum.

Tread

footswitch

to

ON.

Turn

to

proper

tevel.

Chorus/Vibrato

Changeover

Switch

Set

Chorus/Vibrato

Changeover

Switch

to

Vibrato.

Tread

footswitch

to

ON.

Turn

speed

or

depth

control

to

proper

position.

Chorus

effect

inoperative.

Chorus/Vibrato

Changeover

Switch

set

to

center

position.

Footswitch

is

set

to

OFF.

Set

Chorus/Vibrato

Changeover

Switch

to

Chorus.

Tread

footswitch

to

ON.

(=Roland*’

10163

Ve

I=Roland: