Hitachi FT-4000 - Page 6

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HITACHI

FT-4000/4000L

Connection

Setting

Adjust

for

AnschlufS

Setzen

Einstellen

fiir

Connexion

Montage

Réglage

pour

Sequence

_—

:

;

T

;

Reihenfolge

Input

Output

Tuning

Adjust

Indication

Séquence

Eingang

Ausgang

Abstimmung

Einstellen

Anzeige

Entrée

Sortie

Indicateur

d’accord

Réglage

Indication

OO

O-@

E

#

D

©

®

400

Hz,

100

%

OUTPUT

Mod.

Output

400

Hz,

100%

Ausgang

Modulation

550

mV+1

dB

Sortie

400

Hz,

100%

Mod.

ANT.

Terminal

Antennen-

Anschluf

Borne

d’antenne

ANT

S

:

Freq.

76

kHz+100

Hz

60

dB

input

Frequenz

ee

dB

Eingang

76

kHz+100

Hz

Entrée

60

dB

Fréquence

+

Non-modulated

76

kHz+100

Hz

Nicht

moduliert

Non

modulé

y

U.S.A.

&

Canada

R

ch

1,000

Hz

46%

Mod.

Other

countries

R

ch

1,000

Hz

26.7%

Mod.

Pilot

8%

Mod.

OUTPUT

Leh

out

Stereo

USA

u.

Kanada

MIN.

Separation

R-Kanal

1

000Hz,

Caution

4

Stereo-Trennung

fie

Mod.,

andere|

|

L-Kanal

Ausg.

Séparation

Lander

R-Kanal

MIN.

stéréo

1000

Hz,

26,7%

Vorsicht

4

Mod.,

Pilot

8%

Sortie

can.

G

Mod.

MIN

:

E-U

et

Canada

nti

Can.

D

1000

Hz

pesnnyys

46%

Mod.

Autres

pays

Can.

D

1000

Hz,

26,7%

Mod.

Pilote

8%

Mod.

CAUTION

1.

Short-circuit

the

OSC

stage

by

earthing

the

live

side

of

the

variable

capacitor

in

that

stage.

Adjust

the

core

of

T201

so

that

the

gain

will

be

max.

In

this

case,

reduce

the

level

of

the

input

signal

of

signal

generator

so

that

the

wave

from

will

be

the

same

as

the

one

shown

in

the

figure.

2.

Short-circuit

the

OSC

stage

as

described

in

Caution

1.

Adjust

the

primary

core

(lower)

of

T202

so

that

the

output

is

like

the

S

curve

shown

in

illustration

of

this

table

with

A

and

B

symmetrical

with

respect

to

C.

Adjust

the

secondary

core

(upper)

so

that

the

straight

line

of

the

S

curve

can

be

achieved.

At

the

time

of

adjustment

in

Caution

1

and

2,

center

of

the

marker

will

sometimes

not

correspond

to

that

of

the

wave

form

because

of

the

ceramic

filters

used.

3.

As

the

result

of

the

adjustment

step

6,

the

best

point

of

adjustment

from

step

5

will

be

shifted

a

bit.

Repeat

the

adjust-

ment

of

step

5

and

6

until

the

deterioration

becomes

minimum

and

the

pointer

of

tuning

meter

is

in

its

center.

4.

Optimize

R322

so

that

the

leak

level

of

the

L

ch

signal

is

equal

to

that

of

the

R

ch

signal.

Other manuals for Hitachi FT-4000

Instruction Manual13 pages

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