Kenwood CG-921 Bedienungsanleitung

NTSCCOLORPATTERNGENERATOR

CG-921

PALCOLORPATTERNGENERATOR

CG-922

INSTRUCTION

MANUAL

KENWOOD

CORPORATION

PRINTEDIN^AN

KENWOOD

CONTENTS

GENERAL3

FEATURES

3.SPECIFICATIONS

• 4

PANELEXPLANATION• 6

OPERATINGPROCEDURE9

PRECAUTIONSFORUSE14

product

KENWOODCORPORATION

7-5,

2-chome,

Shibuya,

Shibuya-ku,

Tokyo

150,Japan

GENERAL

FEATURES

Thecolorpatterngenerator,

CG-921(or

CG-922),

test

patterngenerator

that

generates

theoptimum

signal

forthe

adjustment

service

tothe

television

VTRintheNTSC

mode

(or

PAL-B,

G,orHmode).

This

generator

smal1

and

1ight-weight

andits

size

issameas

that

ofour

multi-meter,

DL-712.

operated

batteries

oran

external

DCpower

supply.

$Operationisveryeasy.

The

generatorisoperated

four

UM2

batteries.

Small

and

light-weight

Al1

radio

frequencies

including

VHFandUHFare

covered.

The

radio

frequency

canbe

changed

onthe

paneL

The

regular

synchronizat

ion

signals

including

the

equalizing

pulse

and

cut-in

pulse

are

output.

•.'.')

TheRF

output

sound

carrier

canbe

turned

onand

off.

The

corner

marker

isprovided

inthe

cross

hatch

pattern.

Although

CG-922is

applied

toPAL-B,G,orH,

generators

for

PAL-I

and

PAL-D

are

also

available.

SPECIFICATIONS

CG-921

G-922

[Video

mode] NTSC

mode

PAL

mode

[Video

output]

Outputconnectoi

RCA

pinconnector

Output

ievel

Video

714mVp-p

(75

terminated)

700mVp-p

(75Q

terminated)

Output

ievel

Synchroni-

zation

286mVp-p

(75Q

terminated)

300mVp-p

(75Q

terminated)

[Synchronous

signal]

Horizontal

synchronous

frequency

15.

734kHz

15.

625kHz

:Vertical

synchronous

frequency

59.

94Hz

50.

00Hz

Sub-carrier

frequency

579545

MHz

200Hz

4.43361875MHz± 200Hz

[RF

output]

VHF LOW

CH.in

Japan

1-3

CH.in

USA2-6

CH.in

West

Europe

2-4

VHF

HIGH

4-12

7-13

5-12

UHF

13-62

14-83

21-69

Outputconnector

connector

PAL

connector

Output

feve!

VHF:

1 mVor

(75Q

terminated)

UHF:

5mVor

(75Q

terminated)

[Sound]

Sound

carrier

frequency

5MHz

Sound

frequency

Approximately

1kHz

Sound

carrier

output

Toggling

between

ONandOFF

pc;

;

CG-921 CG-922

[Pattern]

Cross

hatch 15(V)x11(H)withcorner

marker

Dot 1500

11(H)

ndow

White

the

black

background

Brightness

order

full-field

color

bar

White

05%),

low,

cyan,green,

magenta,

red,

blue,black

White

raster

100%

white

Red

raster

Green

raster

Blue

raster

[Power

supp1y] Four

UM2

batteries

External

power

supp1y

6V,

80mA

(Max.

15V)

Battery

1ife

Manganese

battery

Approx.

hours

(at

OFF),

Approx.

hours

(at

RFON)

Battery

1ife

Alkali

battery

Approx.

hours

(at

OFF),

Approx.

hours

(at

RFON)

[Weight] Approximately

760g

(includingbatteries)

[Dimentions]

Flame

dimentions

162x60x130mm

(width/height/depth)

[Dimentions]

Maximum

dimentions

185x63x147mm

(width/height/depth)

[Operating

temperature/

humidityrange]

0-40°C

80%RH

less

[Within

specification

temperature/humidityrange] 23-5°C

80%RH

less

[Accessories]

Instruction

manual

1,RCA

cord

Antenna

cord

PANELEXPLANATION

POWER

Switch

Power

switch.

this

switchispressed,

theLED

1ights

andthe

generator

becomes

operational.This

switch

should

pushed

off

whenever

the

generator

putout

offbatteryoperation.

POWER

LED

this

LED

lights,

power

on.

VIDEO

OUT

Terminal

Video

signal

output

terminal.

The

output

voltage

1Vp-p

when

terminated

with

75Q.

RFOUT

Terminal

This

output

AM-modulates

the

video

signalinto

the

signalfor

output.

All

channels

ofLOWand

HIGH

ofVHFandUHF

are

coverd.

Tuning

Dial

This

dial

changes

the

signal

channel.

RFON/OFF

Switch

ON/OFFoftheRF

signaliscontrolled.

When

this

switch

isON,theRF

signal

output

from

OUT

VHF/UHF

Switch

The

frequency

band

the

signalis

switched.

VHF

HIGH/LOW

Switch

Thisswitchis

valid

only

when

VHFhas

been

selected

VHF/UHF

switch

®.

With

these

two

switches

(®

and

®),

changeover

three

bands;

VHF

LOW/HIGHand

UHF,is

done.

SOUND

ON/OFF

Switch

ON/OFFofthe

sound

carrier

intheRF

signal

controlled.

®PatternSelector

Switches

Thisswitch

selects

from

eightpatterns.

From

left

right,

cross

hatch,

dot,

window,

colorbars,

white

raster,

red

raster,

green

raster,

and

blue

raster-

are

provided.

EXT

Power

Terminal

External

power

supply

inputterminal.

External

power

supply

should

nominally

6 V,

mAor

more.

Battery

Case

This

casecontains

batteries.

Four

UM2

batteries

are

used.The

polarity

indicated

inside

the

battery

case.

batteries

arenotset

correctly,

the

generatormaybetroubled.Therefore,

care

must

taken.

Either

manganese

alkali,

batteries

canbeused.

Topreventthe

bateries

from

consumption,

turnoffthe

power

supply

when

thegeneratorisnotused.

The

battery

life

islongerinthe

intermi

ttent

operation

thanthecontinousoperation.

When

the

battery

capacity

becomes

smaller

over

time,

the

screen

image

may

waver

ordecreaseinamplitude,

ornopatternmaybe

displayed.

Replacewithnew

batteries

insucha

case.

The

polarity

shouldbeas

shown

below.

OPERATINGPROCEDURE

5-1

CAUTION

the

instructions

inthe

operation

manualfor

the

television

orVTR

when

the

television

orVTRis

adjusted

using

this

generator.

Donot

touch

the

primary

power

supply

andthe

high-voltage

power

supply

the

television.

5-2

CONNECTING

METHOD

•

When

VIDEOOUTof

this

generatoris

connected

tothe

videoinput

ofthe

television

orVTR:

Connect

ionshould

bedoneby

using

the

attached

code

ifthe

inputterminal

ofthe

television

a pin

jack.

the

inputterminal

ofthe

television

isBNC,

use

theBNC/pin

conversionadapter.

RCAPin

cord

Television

Inputterminal

ofthe

video

•

When

RFOUTof

this

generatorisconnected

totheRF

input

ofthe

television:

theRF

input

ofthe

television

isthe

aerial

connector,connectionshould

bedoneby

using

the

attached

antennacord.

Otherwise,prepare

the

converter.

Beforeconnection,check

whether

the

high-voltage

power

leaks

tothe

antenna

terminal.

Ifthepower

leaks,

connectionshould

bedoneviathe

capacitor

with

the

dielectric

strenghtcorresponding

tothe

voltage.

Antenna

cord

Input

terminal

oftheRF

Television

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