Crown Studio Reference I Service Manual download pdf (Page 15)

Studio

Reference

Service

Manual

age

Convers

The

Studis

Reference

Ampfifiers

can

be

wired

for

100

VAC?

I20

VAG,

200

VAC,

220

VAC

or

240

VAC

opera-

tion,

This

is

made

passible

by

the

use

of

a

multitap

transformer

for

the

high

energy

power

supplies.

Per-

form the

fallowing

pracedure

and

refer

%s

Figures

3.3

and

3.2

ta

convert

the

operating

voltage.

YOU

may

have

to

order

the

approprate

circuit

breaker

using

the part

number

listed

in

Figure

3.2.

CAUPfO#:

B~eausa

thare

1%

a

risk

of

slsctr!~

sheek,

sniy

on

gxperisne~d

t~ehnician

ahould

aggmpfk

ts

altgr

the

line

valtage

contlguratiian,

1.

Remove

tha

tap

cover

of

the

Studio

Referenee

am-

plifier

(held

on

by

8

screws).

2,

With

the

front

panel

toward

you,

locate

tka

controt

module

{front

center)

and

the

tab

connectors

(upper

-

-".-

right

hand

corner

of

module).

3,

Cut

and

remsve

the

wire

ties

to

access

the

jumpers

and

wires,

4.

Refer

to

Figure

3,1

and

make

the

appropriate

charrges

for

the

desired

operating

voltage.

5.

lnstaBI

wire

ties

to

dress

the

wires

above

the

con-

nections.

6,

Note

the

switch

on

the

ief2

hand

side

of

the

module

and

change,

if

necessary,

for

the

operating

line

frequency.

7,

Refer

"I

Figure

32

and

change

the

Circuit

Breaker

if

necessary+

8.

On

the

rear

05

$he

unit,

change

?$"re

line

cord

tag

to

read

the

correct

valtage.

This

is

on

the

lower

right

hand

side

of

the

rear

panel,

just

above

the

serial

tag.

9,

ReassembHe

the

unit.

WPt

6

VOCrAGE

JUMPER

1

Figure

3.1

Specific

Vo1tage

Wifing

Ct

RCUfT

BREAKER

SELECTiON

30

AMP,

C

7756-7

1

20

AMP.

Cl

01

93-8

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 96 97

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