C.E.C. 530CD - Page 15

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ADJUSTMENT

PROCEDURES

continued)

e

Tracking

gain

adjustment

1.

Adjustment

is

made

in

the

same

manner

as

for

focus

gain.

The

input

from

the

frequency

generator

is

set

to

1,200Hz,

HF

0.5Vp-p,

and

P104

is

adjusted

so

that

the

phase

difference

@

1V/DIV

,)

is

90°.

50uSec/DIV

TE

0.5V/DIV

;

50nSec/DIV.

Waveform

showing

Short

Kick

Gain

HF

1V/DIV

50uSec/DIV,

ADJUSTMENT

OF

KICK

GAIN

1.

Load

the

test

disc

YEDS4

on

the

turntable.

2.

Set

the

oscilloscope

at

the

NORMAL

TRIG.

and

connect

the

TE

TRHD

(TP6)

of

connector

CN8

to

the

external

trigger

0.5V/DIV

terminal.

Then,

connect

the

channels,

1

and

2,

to

the

test

Cae

pin,

HF

(TP1)

and

TE

(TP4),

respectively.

3.

Switch

on

the

power.

In

the

state

of

playing

the

first

tune,

make

it

pause

and

observe

the

waveforms

of

HF

and

TE

Waveform

showing

Excessive

Kick

Gain

triggered

by

TRHD.

4.

Adjust

the

P106

for

making

a

track

jump

between

1

and

1.5

track.

HF

1V/DIV

50“Sec/DIV

TE

a

0.5V/DIV

504.Sec/DIV.

—15—

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