Harman Kardon FL8400 - Page 23

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FL8400

[

Step

|

__

Connect

|

Setting

|

Adjust

_|

—

Focus

Offset

Adjustment

See

figure

15

In

TEST

Obtain

the

maximum

amplitude

and

the

biggest

MODE

2

diamond

windows

of

the

eye

pattern.

The

above

an

example

of

a

good

eye

pattern.

Ea

To

make

the

diamond

windows

in

the

portion

large

and

clear,

turn

VR104

clockwise.

—

Coupling

:

AC

VOLT/DIV

:

500

mV

TIME/DIV

:

0.2

nS

Oscilloscope

Set

_

O

R219

(RF)

J259

(G)

Figure

15.

Focus

Offset

Adjustment

—~

ae

23

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