Harman Kardon HK720 Owners Manual - Page 5

Balancing

the

tonearm

and

adjusting

the

tracking

force

After

checking

the

tonearm

(15)

moves

freely

(with

the

cue

lever

(17)

in

the

down

position),

slide

the

counterweight

(19)

onto

the

rear

of

the

tonearm

(15),

set

the

antiskating

control

(21)

to

the

zero

"0"

position

and

gently

move

the

counterweight

(19)

forward

with

rotation

unti

l

the

tonerm

(15)

floats

paral

lel

to

the

platter.

Then

while

keeping

the

counterweight

(19)

stationary,

rotate

only

the

counterweight

scale

ring

(20)

so

that

its

gradation

zero

"0"

aligns

with

the

white

line

on

the

tonearm

shaft.

(See

Fig.

7.)

Rotate

the

counterweight

assembly

(19),

(20)

unti

l

the

scale

ring

(20)

reading

indicates

the

stylus

pressure

specified

by

the

manufacturer.

Set

the

antiskating

control

(21)

normally

to

the

same

as

the

tracking

force

setting.

Output

connections

Before

connecting

to

your

amplifier,

make

sure

that

the

amplifier

power

has

been

switched

off.

Connect

the

two

output

cables

plus

ground

lead

(7)

to

the

PHONO

INPUT

connectors

and

GND

terminal

on

the

rear

of

your

amplifier.

The

red

plug

is

the

right

channel

output,

and

the

white

plug

the

left

channel.

(See

Fig.

8.)

Power

connection

Connect

the

hk720

power

line

cord

(8)

to

an

AC

outlet.

If

you

connect

the

cord

to

an

AC

convenience

outlet

on

the

rear

of

your

ampl

ifier,

you

may

prefer

a

SWITCHED

outlet.

With

a

SWITCHED

outlet,

the

turn-

table's

power

wil

l

be

controlled

by

the

amplifier's

power

switch.

Positioning

the

turntable

The

hk720

should

be

placed

on

a

firm,

level

surface.

The

location

should

be

clean,

away

from

direct

sunlight

and

other

heat

sources,

well

ventilated

and

free

from

any

vibration.

7

0

0

"iaolgitaN

SCALE

RING

WHITE

LINE

L•

ER

DOWN

Fig

.8

AC

Outlet

PHONO

GND

INPUT

WHITE

L

RED

Amplifier

Operating

the

hk720

1

.

Switch

the

speed

selector

(1)

to

either

33-1/3

or

45rpm,

depending

on

the

record

to

be

played.

2.

Place

the

record

on

the

platter.

3.

Free

the

tonearm

(15)

from

the

arm

clamp

(16)

and

lift

the

tonearm

(15)

by

raising

the

cue

lever

(17).

Hold

the

tonearm

with

hand

and

move

it

to

the

desired

track.

The

platter

will

start

to

rotate

at

this

time.

Then

lower

the

tonearm

(15)

by

carefully

returning

the

cue

lever

(17)

to

its

former

position.

4.

To

check

that

the

record

is

rotating

at

a

correct

speed,

observe

the

corresponding

stroboscope

markings

around

the

rim

of

the

platter.

Depending

on

the

selected

speed

(33-1/3

or

45rpm)

and

the

frequency

of

AC

power

source

for

your

area

(50

or

60Hz),

the

relevant

stroboscope

level

should

appear

to

be

stationary.

If

it

does

not,

adjust

the

SPEED

control

(2)

until

it

does

(in

which

case,

the

record

wi

l l

be

rotating

at

exactly

the

correct

speed).

When

the

cue

lever

(17)

is

used,

this

adjustment

can

be

completed

before

lowering

the

stylus

onto

the

record.

5.

At

the

end

of

the

record

the

tonearm

(15)

wi

l l

lift

and

return

to

the

arm

rest

(16)

automatical

ly,

and

the

power

is

then

switched

off.

6.

Record

play

may

be

stopped

at

any

time

by

simply

pressing

the

CUT

push-button

(3).

In

this

case,

the

tonearm

(15)

will

lift

and

return

to

the

arm

rest

(16)

automatically,

and

the

power

is

also

switched

off.

4

Harman Kardon HK720 Owners Manual - Page 5

amplifier.

Page 5 highlights