Kathrein UFD-78 Manuale utente

KATHREIIM

SATELLITEN

TVU-RECE

IVER

D-/8

ELLITE

RECEIVING

SYSTEM

requency

Synthesized

Tuning

SERVICE

MANUAL

ERONT

PANEL

CONTROLS

1.POWER

key

Press

the

POWER

key

turn

the

receiver

off(stand-by

mode).

When

the

receiver

off,

possible

for

your

still

have

off

air

reception.

The

LNB

remains

powered.

/DOWN

ARROW

key

Press

the

and

DOWN

arrow

keys

change

channels

sequence.

The

current

channel

displayed

the

three

digit

LED.

indicates

the

channel.is

locked

(Parental

Control

Feature).

3.IR

sensor

Infrared

remote

control

sensor.

WIDE

indicator

When

the

wide

indicator

lit,

wide

audio

bandwidth

selected.

When

the

indicator

off,

narrow

audio

bandwidth

selected.

HOR

indicator

When

the

HOR

indicator

lit,

horizontal

polarization

selected.

When

the

light

off,

vertical

polarization

selected.

FRONT

PANEL

LAYOUT

MASOCRO

SATELLITE

RECEIVER

SRE-9OR

VIDEO

FRFQ

indicator

When

the

video

frequency

mode

selected

the

remote

control

unit,

the

VIDEO

FREQ

indicator

lights

and

the

three

digit

LED

displays

video

tuning

frequency.

AUDIO

FREQ

indicator

When

the

audio

frequency

mode

selected

the

remote

control

unit,

the

AUDIO

FREQ

indicator

lights

and

the

three

digit

LED

displays

the

audio

subcarrier

frequency.

STAND-BY

indicator

When

the

receiver

switched

off,

the

STAND-BY

indicator

When

the

receiver

on,

the

STAND-BY

indicator

turns

off.

Three

digit

LED

indicator

The

three

digit

LED

indicator

displays

channel,

video

channel

frequency

and

audio

subcarrier

frequency

depending

the

mode.

The

receiver

always

defaults

the

mode.

The

video

frequency

will

not

display

leading

"1"

for

the

data

than

1000MHz.

ceaviDEO

FREQ

AUDIO

FREQ

STAND-BY

The

necessary

rear

panel

connections

your

receiver

are

shown

below.

Please

make

sure

your

antenna,

polarizer,

and

LNB

are

correctly

installed,

and

your

antenna

aligned

the

selected

satellite.

Contact

your

dealer

for

further

information

the

system

configuration.

Rear

Panel

Connections>

LNB

Polarizer

Sed

Ber

SKY

DECODER

CONNECTOR

ASSIGNMENT

Audio

Out

Audio

errr

rere

rrr

Control

Video

Out

B.B.

-type

Connector

lug

F-type

Connector

£1)

tug

Ferrite

Polarizer

CLAMP/UNCLAMP

and

FLAT/DE-EMP

Standard

Antenna

for

external

decoder,

Digital

Decoder

etc.

ideo

Audio

(Unbalanced)

“01

]

Monitor

Set

Monitor

Set

Monitor

Set

ADIUUSTMENT

PROCEDURE

MEASURING

INSTRUMENTS

peform

adiustments

the

receiver

model

SRE-90R,

the

measuring

instruments

shown

below

are

required.

All

instruments

shall

calibrated.

DVM

(Digital

Voltmeter)

Measuring

range

0.1

500

0.01

100

Oscilloscope

/“Synchroscope

Measuring

range

0.01

V/Div.

Frequency

range

MHz

Probe

10:1

test

signal

generator

(PAL

system)

(Used

video

signal

source)

Audio

signal

generator

(Used

audio

signal

source)

Frequency

range

KHz

signal

generator

(Used

signal

source)

having

wide

deviation

and

CCIR

REC.

405,

625-line

video

pre-emphasis

functions.

Frequency

range

950

1,750

MHz

deviation

MHz

P-P

Output

level

-65

-28

dBm

Signal

generator

(Used

audio

subcarrier

source)

having

frequency

modulation

and

audio

50u

second

pre-emphasis

functions.

Frequency

range

MHz

deviation

MHz

maximum

Distortion

muter

Measuring

range

0.01

min

0.1

Vrms

Frequency

400

II.

MEASURING

INSTRUMENTS

CONNECTION

test

signal

generator

signal

generator

Audio

signal

generator

signal

(95

0NtH2-1750MHz)

Audio

subcarrier

signal

generator

Audio

signal

Audio

subcarrier

(50Hz

15KHz)

(5MHz

5MHz)

Oscilloscope

IMPORTANT

the

receiver

connected

the

power,

not

connect

the

signal

generator

directly

the

“RF

INPUT”

terminal

the

receiver.

The

signal

generator

may

damaged

the

+15V

powering

voltage

from

the

receiver.

sure

use

the

“DC

CUT”

coupler.

Ill.

AUDIO

SIGNAL.

ADJUUSTMENT

Distortion

adjustment

Set

the

receiver

follows.

AFC

position

POLARIZATION

any

position

AUDIO

WIDE’NARROW

Wide

position

CHANNEL

Channel

VIDEO

FREQUENCY

1347

MHz

AUDIO

FREQUENCY

6.50

MHz

AUDIO

OUTPUT

LEVEL

MAX

(USING

REMOTE

CONTROLLER)

Set

the

signal

generator

follows.

(TV

test

signal

generator

OFF).

Frequency

1347

MHz

Output

level

-50

dBm

level

receiver

input.

Set

the

audio

signal

generator

and

subcarrier

follows.

Frequency

6.50

MHz

Diviation

+75

KHz

Modulation

400Hz

Rotate

variable

capacitor

C236

its

minimum

position

“AUDIO

OUT”.

Iv.

VIDEO

SIGNAL

ADJUSTMENT

Video

output

level

adjustment

Set

the

receiver

follows.

AFC

position

POLARIZATION

any

position

AUDIO

WIDE/NARROW

Wide

position

CHANNEL

Channel

VIDEO

FREQUENCY

1347

MHz

AUDIO

FREQUENCY

any

position

VIDEO

CLAMP

position

EMP

Set

the

signal

generator

follows.

Frequency

1347

MHz

Output

level

-50

dBm

level

the

receiver

input.

Divition

MHz

p-p

Pre-emphasis

CCIR

Rec.

405,

625-line.

test

signal

White

100

Set

the

“VIDEO

LEVEL”.

Rotate

potentiometer

VR304

adjust

the

video

output

level,

Vp-p

“VIDEO

OUT”

terminated

with

ohm

resistor.

Vp-p»)

Adjust

the

“VIDEO

LEVEL”

control

for

Vp-»

video

output

level.

(A=1

Vp-p)

CBB

(Composite

Base

Band)

level

adjustment

Set

the

receiver

and

signal

generator

the

above.

Adjust

potentiometer

VR302

that

the

composite

base

band

output

level

Vp-p

“COMPOSITE

BASE

BAND

OUT”

terminated

with

ohm

resistor.

ADJUSTMENT

POINTS

NOILYOLSIG

OIGNV

9629}

44,37

INdLNO

-3°g

JWOD

DOEHA

T3A3S1

LAALANO

O3CIA

MPU

FUNCTION

TABLE

(1IC101)

mone

P60

P47/AN7

P46/AN6

P45/AN5

P44/AN4

P43

P42

P4l

P40

P37

P36

P35

P34

P33/CNIR

P32/INT2

P31

P30

INTI

CNVss

RESET

Xin

Xout

fo)

Vss

P57/ED?

P56/ED6

P55/ED5

P51

sunutuot

dud

PRB

RHEE

NOPNHOAMHA~TO

PO6

HRONHOWMDAMDMAWNHOUWDIRMAYNHODDYRDMARONHOHDIAMAGNHOMOAIANAYNHOODNAN

AMMA

QMOCOTUOLOLOTOLOLU

ARPA

DAA

WWWWWHOUWOOUNNNNNNNNNNE

RHE

RR RR

L/H

L/AOPEN

L/H

NEGATIVE

EDGE

ce)

NEGATIVE

EDGE

cain

sae

joopocwsoiesBecBocgicsitcol

ual

cal

onl

wal

cal all

wall

Power

supply

+5V

GND

Power

supply

+5V

for

A/D

refernce

voltage

D/A

output

bit,

steps)

for

volume

control

Ferrite

polarizer

(FPOL)

control

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

A/D

converter

for

AFC

voltage

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Remote

control

data

NVM

(data

input)

Video

PLL

chip

select

(CS)

Audio

PLL

chip

select

(CS)

PAL

G/I

select

(L:I

mode

OPEN:G

mode)

PLL/NVM

data

PLL/ANVM

clock

NVM

chip

select

(CS)

Stand-by

key

input

key

input

key

input

Remote

control

interrupt

GND

Reset

Oscillator

input

Oscillator

output

Not

used

(open)

GND

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Not

used

(GND)

Stand-by

discrete

LED

(Wired

OR)

Stand-by

discrete

LED

(Wired

OR)

LED

digit

(2nd)

LED

digit

(MSD)

LED

digit

(LSD)

Mechanical

Polarizer

(MPOL)

control

V/H

switch

control

(H:Horizontal

L:Vertical)

Horz

discrete

LED

(Wired

OR)

Horz

discrete

LED

(Wired

OR)

Wide

discrete

LED

(Wired

OR)

Wide

discrete

LED

(Wired

OR)

LED

segment

LED

segment

LED

segment

LED

segment

LED

segment

LED

segment

LED

segment

LED

segment

CHANNEL/FREQUENCY

PARAMETERS

TABLE

Factory-Programmed

Frequency

Allocation

Channe]

Number

Channe}

Number

Satellite

ECS1

Kee

[oa

Pee

[eee

[es

[oe

[Ya

Te [a

(Pa

[eae

[or

[oa

ene

[oa

eae

[aa

see

[oom

[ee

war

(saw

[ome

eee

[aa

[oe

[es

eae

[es

fae

[ee

[oe

aor

[os

[oes

fiero

[oe

[oes

[awe

[om

[wen

fam

[ow

[oem

INTEL27.5°

eee

EEL

INTEL27.5°

[oe

foreer

[in

[oes

[ine

fae

[oe

[oer

sae

[oe

[te

[oe

[or

[oreo

(eae

[os

[Pores

[ore

[ewe

[on

Pao

[oo

[on

few

[on

Tao

[ase

[wre

[aoe

[ea

[ae

[eae

[ree

[ee

[ome

[oe

[ron

fie

ooo

[oe

Paw

Tea

fie

Pee

[fae

Powe

Poe

fase

Poe

fae

Pee

Por

fee]

[ee

[om

foe

NOTE

CH27-CH50

have

fixed

video

frequency

and

V/H

setting.

SPECIFICATIONS

PERFORMANCE

(1MHz

step)

VIDEO

PERFORM

ANCE

De-emphasis

CCIR

Rec.

405,625

Lines

AUDIO

PERFORMANCE

5.0

8.5MHz

(10KHz

step)

De-emphasis

and

50s

Deviation

150KHZ/280KHz

Total

Harmonic

Distortion

COMPOSITE

BASEBAND

Frequency

Response

50Hz

10.

5MHz

mane

Output

Level

POWER

REQUIREMENTS

Power

Supply

Voltage

220/240V

Switchable

CCIR

Rec.

405,

625

Lines

FLAT/DE-EMP

Switchable

OTHERS

VDC

max.

(through

INPUT

connector)

Ferrite

Current

Drive

Polarizer

50mA

max.

Mechanical

500mA

max.

Polarizer

0.8-2.2mS

V/H

15V

Switch

SCART

Connector

Sky

Decoder

Compatible

Temperature

Range

0~40T

Output

Voltage

Dimensions

300

190mm

ACCESSORIES

Infrared

Remote

Control

Unit

Two

AAA

Batteries

Indice

Lingue:

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