Sony SL-HF950ES Bedienungsanleitung

AEP

Model

September,

1985

System

SPECIFICATIONS

Video

recording

system

Rotary

two-head

helical

scanning

Audio

recording

system

Video

signal

Aerial

input

Beta

hi-fi

PAL

system

channels)

(Recording

the

conventional

audio

track

monaural.)

SL-HF950ES

CCIR

standards,

PAL

and

DDR

SECAM

colour

SL-HF950E

CCIR

standards,

PAL

colour

75-ohm,

asymmetrical

aerial

socket

Stereo/bilingual

system

(SL-HF950ES

only)

West-German

two-carrier

system

Channel

coverage

SL-HF950ES

VHF:

Western

European

channels

U20

UHF:

Western

European

channels

E21

E68

(Up

programmes

can

preset.)

SL-HF950E

VHF:

Western

European

channels

E2-€12

UHF:

Western

European

channels

E21

E68

(Up

programmes

can

preset.)

output

signal

UHF

channels

E30

E39

(variable)

ohms,

unbalanced

Video

Super

Beta

hi-ii

CHASSIS

Horizontal

resolution

280

lines

(Super

Beta

PRO

mode)

Beta

hi-fi

PAL

sound

Frequency

response

kHz

(MPX

FILTER

OFF)

Wow

and

flutter

Dynamic

range

Less

than

0.005

WRMS

than

Inputs

and

outputs

Video

input

Video

output-

Audio

inputs

Beta

VIDEO

IN:

BNC

connector

1.0

(p-p)

~58

(p-P)

ohms,

unbalanced,

sync

negative

VIDEO

OUT:

BNC

connecter

1.0

(p-p)

+0.1

(p-p)

ohms,

unbalanced,

sync

negative

AUDIO

IN:

phono

jacks

kilohms,

—10

dBs

(OdBs

0.775V

rms)

Microphone:

-60dBs,

for

ow-

impedance

microphone

—

Continuecoon

page

—

CASSETTE

REC)

RDER

SONY.

Audio

outputs

AUDIO

OUT:

phono

jacks

Load

impedance

less

than

kilohms

-10

dBs

with

kilohms

load,

unbalanced

Headphones:

Stereo

phone

jack

—26

dBs,

8ohms

Video/audio

output

21-pin

EXROCONNECTOR

CONTROL

input

Minijack

CONTROL

input/output

5-pin

connector

CONTROL

GND

OUT

100

mA)

Tape

transport

Tape

speed

18.73

mm/sec.

Maximum

recording

time

hours

min.

(with

Sony

L-500

cas-

sette)

hours

min.

(with

L-750)

Fast

forward/rewind

time

Within

min.

(with

L-500)

Timer

Clock

Time

indication

24-hour

cycle

Timer

setting

Only

for

recording

events/3

weeks,

adjustable

for

any

day

for

all

days

the

week

for

every

week

Crystal

lock

General

Power

requirements

110

240

50/60

Power

consumption

SL-HF950ES:

39W

SL-HF950E:

36W

Storage

temperature

—20°

+60°

(—4°

+140°

Operating

temperature

5°

40°

(41°

104°

Approx.

430

405

(w/h/d)

(17

4/4

inches)

including

projecting

parts

and

controls

Approx.

10.5

(23

Ibs)

net

Dimensions

Weight

Accessories

supplied

Video

cassette

tape

(1)

75-ohm

coaxial

cable

for

recorder

connection

(1)

Remote

Commander

RMT-223

with

two

IEC

designation

batteries

(1)

channel

adjustment

screwdriver

(1)

Design

and

specifications

subject

change

without

notice.

Note

This

appliance

conforms

with

EEC

Directives

76/889

and

82/499

regarding

interference

suppression.

SAFETY

CHECK-OUT

After

correcting

the

original

service

problem,

perform

the

following

safety

checks

before

releasing

the

set

the

customer:

Check

the

area

your

repair

for

unsoldered

poorly-soldered

connections.

Check

the

entire

board

surface

for

solder

splashes

and

bridges.

Check

the

interboard

wiring

ensure

that

wires

are

“pinched”

contact

high-wattage

resistors.

Look

for

unauthorized

replacement

parts,

par-

ticularly

transistors,

that

were

installed

during

repair.

Point

them

out

the

customer

and

recommend

their

replacement.

SAFETY-RELATED

COMPONENT

WARNING

COMPONENTS

IDENTIFIED

SHADING

AND

MARK

THE

SCHEMATIC

DIAGRAMS,

EXPLODED

VIEWS

AND

THE

PARTS

LIST

ARE

CRITICAL

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

SHOWN

THIS

MANUAL

SUPPLEMENTS

PUBLISHED

SONY.

CIRCUIT

ADJUSTMENTS

THAT

ARE

CRITICAL

SAFE

OPERATION

ARE

IDENTIFIED

THIS

MANUAL.

THESE

PRO-

CEDURES

WHENEVER

CRITICAL

COMPONENTS

ARE

REPLACED

IMPROPER

OPERATION

SUSPECTED.

Look

for

parts

which,

though

functioning,

show

obvious

signs

deterioration.

Point

them

out

the

customer

and

recommend

their

replace-

ment.

Check

the

B+

voltage

see

the

values

specified.

TABLE

CONTENTS

Section

Title

GENERAL

1-1.

Precautions

.......

flies

Peay

ete,

Sana

1-2.

Technical

Information.

..............

1-3.

Location

and

Function

Controls

.......,

1-4.

On-Screen

Display

.................

1-5.

Cassette

Insertion

.............0..0.

1-6.

Programme

Recording

(Beta

hi-fi

recording).

...............

We7s

IPIAVBOCK

chien

ESS

Rea

1-8.

Useofthe

Time

Counter

.............

1-9.

Index

Function.

..............004.

1-10.

Timer-Activated

Recording

............

1-11.

Tape

Editing

................0004

1-12.

Station

Programming

............

1-13.

Clock

Setting.

...................

SECTION

GENERAL

WARNING

prevent

fire

shock

hazard,

not

expose

the

unit

rain

moisture.

avoid

electrical

shock,

not

open

the

cabinet.

Refer

servicing

qualified

personnel

only.

NOTE

THE

SL-HF950ES

AND

SL-HF950E

This

instruction

manual

covers

the

SL-HF950ES

and

SL-

HF950E.

The

principal

differences

between

the

models

are

indi-

cated

the

following

table.

The

differences

are

clearly

mentioned

the

text

required.

SL-HF950ES

SL-HF950E

Colour

system

cae

ane

SECAM

PAL

channel

VHF

U20

VHF

E2-

E12

coverage

UHF

E21

£68

UHF

E21

E68

Stereo/bilingual

programme

Provided

Not

provided

reception

The

illustrations

used

this

manual

are

the

SL-

HF9S5O0ES.

1-1.

PRECAUTIONS

safety

This

unit

operates

110

—-

240

ac,

50/60

Hz.

eShould

any

solid

object

liquid

fall

into

the

cabinet,

turn

off

the

unit

and

have

checked

qualified

per-

sonnel

before

operating

any

further.

e@To

disconnect

the

mains

lead

(ac

power

cord),

pull

out

the

plug.

Never

pull

the

lead

itself.

The

unit

not

disconnected

from

the

mains

(ac

power

source)

long

connected

the

mains

outlet,

even

the

unit

itself

has

been

turned

off.

installation

Allow

adequate

air

circulation

prevent

internal

heat

build-up.

not

place

the

unit

surfaces

(rugs,

blan-

kets,

etc.)

near

materials

(curtains,

draperies)

that

may

block

the

ventilation

grille.

not

install

the

unit

near

heat

sources

such

radi-

ators

or air

ducts

place

subject

direct

sun-

light,

excessive

dust,

mechanical

vibration

shock.

The

unit

designed

for

operation

horizontal

posi-

tion.

not

install

inclined

position.

eKeep

the

unit

and

cassette

tapes

away

from

equip-

ment

with

strong

magnets,

such

microwave

oven,

large

loudspeakers,

etc.

operation

e@When

the

unit

not

used

for

long

period,

turn

the

unit

off

conserve

energy

and

extend

the

use-

ful

life

your

unit.

Remove

and

store

video

cassettes

after

recording

playback.

Always

store

the

cassette

its

case

keep

the

tape

away

from

dust.

cleaning

Clean

the

cabinet,

panel

and

controls

with

dry

soft

cloth.

not

use

moistened

cloth

any

type

sol-

vent,

such

alcohol

benzine,

which

might

damage

the

finish.

repacking

not

throw

away

the

carton

and

packing

materials.

They

make

ideal

container

which

transport

the

unit.

When

shipping

the

unit

another

location,

repack

illustrated

the

carton.

colour

broadcasting

systems

This

machine

designed

record

and

play

back

using

the

PAL

colour

system

(SL-HF950E)

the

PAL

and

DDR

SECAM

colour

systems

(SL-HF950ES).

Recording

and

playback

video

sources

based

other

colour

sys-

tems

cannot

guaranteed.

you

have

any

questions

about

this

unit,

contact

your

Sony

dealer.

REMOVAL

THE

TRANSIT

SCREWS

The

cassette

compartment

secured

with

three

transit

screws

prevent

from

sliding

out

while

the

unit

being

transported.

Before

operating

the

unit,

sure

remove

the

transit

screws,

using

screwdriver.

Store

the

screws

the

screw

holes

the

rear,

and

put

them

back

the

original

positions

when

transporting

the

unit.

Screw

holes

Rear

view

Transit

screws

1-2.

TECHNICAL

INFORMATION

HIGH

QUALITY

SOUND

What

Beta

hi-fi

PAL

recording?

conventional

recording,

audio

signals

are

recorded

the

audio

track

and

the

video

signals

the

video

track.

Beta

hi-fi

recording,

audio

signals

are

record-

the

video

track

together

with

the

video

signals.

this

recorder’s

Beta

hi-fi

PAL

system,

audio

signals

are

recorded

first,

using

the

audio

heads,

then

video

signals

are

recorded

over

the

audio

signals

with

azi-

muth

offset,

using

the

video

heads.

Beta

hi-fi

audio

signals

are

frequency-modulated

and

recorded

channels,

you

can

record

stereo

bi-

lingual

programme

with

sound

clearly

superior

that

conventiona!

audio

recording.

Conventional

audio

track

(monaural)

Audio

signal

Video

audio

track

Control

track

Video

signal

Video

heads

For

recording/playback

video

signals

Audio

heads

For

recording/

playback

Beta

hi-fi

audio

signals

Audio/controi

heads

For

recording/playback

conventi»mal

audio

signals

and

control

signals

Beta

hi-fi

recording

this

recorder

This

recorder

simultaneously

records

audio

sqnals

the

video

track

(Beta

hi-fi

recording)

and

the

conven-

tional

audio

track

(in

monaural),

that

tapes

recorded

with

this

recorder

can

played

back

ordinary

video

cassette

recorder

without

Beta

hi-fi

system.

HIGH

QUALITY

PICTURE

—Technology

behind

Super

Beta

(PAL)

Super

Beta

standard

mode

Betamax

provides

high-resolution

picture

thanks

its

high

relative

tape-to-head

speed

produced

with

the

large

diameter

head

drum.

Super

Beta

standard

made

offers

even

sharper

and

de-

tailed

picture

reproduction

improving

the

emphasis

characteristics

video

signals

recording

and

the

noise

canceller

characteristics

playback.

Super

Beta

PRO

mode

addition

the

technology

mentioned

above,

with

the

use

the

highest-grade

tape,

the

carrier

frequency

the

luminance

signal

shifted

500

kHz.

The

re-

sults

are

higher

resolution

the

picture

and

improved

signal-to-noise

ratio

the

chrominance

signal.

(Fig.

Other

technical

extras

This

SL-HF950ES/E

employs

compression

circuit

for

recording

current

the

chrominance

signal

for

better

signal-to-noise

ratio.

(Fig.

addition,

the

newly

devel-

oped

‘‘DA

(Double

Azimuth)

PRO

HEAD”

reduces

inter-

ference

between

adjacent

video

tracks

resulting

high-

quality

picture

reproduction.

These

technologies

contributes

overall

picture

quality

the

SL-HF950ES/

Notes

eSuper

Beta

PRO

mode

must

used

with

highest-

grade

tapes

such

Sony

PRO-X

equivalent

tapes

from

other

tape

manufacturers.

eThe

tapes

recorded

Super

Beta

should

played

back

Super

Beta

mode.

Fig.

Frequency

response

Super

Beta

PRO

mode

high

level

signal

Conventional

Super

Beta

PRO

mode

low

level

signal

Conventional

(MH2)

Fig.

Chrominance

signal-to-noise

ratio

SL-HF950ES/E

Chrominance

S/N

Conventional

100

(%)

Chrominance

signal

level

1-3.

LOCATION

AND

FUNCTION

CONTROLS

Front

[5]

senederoersohsesocssssdassessersvsde

[25]

(24)

[23]

22)

[21]

(20)

{19

teens

shee

Ata

eaves

evayechian

18)

(17)

(46)

(15) (14)

[13

({]ON/STANDBY

switch

and

indicator

Press

turn

the

unit.

The

indicator

will

light

up.

Press

again

turn

off.

The

timer

section

will

continue

operate

and

the

time

will

displayed

even

the

ON/STANDBY

switch

off.

(2)

EJECT

button

Press

remove

the

cassette.

This

button

does

not

function

when

the

recorder

turned

off.

(3)REMOTE

SENSOR

Detects

the

remote

control

signal

transmitted

from

the

supplied

Remote

Commander.

[4]

Display

window

Shows

the

recorder

TIMER

REC

indicator:

timer

standby

mode.

also

displayed

during

timer

recording

including

quick

timer

recording.

VTR

indicator:

Shows

the

recorder

VTR

mode.

Week

indicators:

Show

the

week

which

the

timer

recording

will

take

place.

See

page

25.

Day

the

week

indicators

STEREO

indicator

(SL-HF950ES

only):

stereo

broadcast

being

received.

Shows

(simulcast)

indicator:

Shows

the

INPUT

SE-

LECT

switch

set

SIMUL.

PROG

(programme)

number:

Shows

the

programme

number

selected

with

the

PROG

+/—

buttons.

When

the

INPUT

SELECT

switch

set

LINE/PCM,

the

indication

will

change

‘‘AU”.

Index

indicators:

Appear

when

the

index

func-

tion

activated.

See

page

22.

Cassette

indicator:

Shows

cassette

insert-

ed.

Turn-on

time

setting

indicator

Event

number

Turn-on

time

timer

recording

Time

counter:

Shows

the

approximate

tape

run-

ning

time.

Turn-off

time

setting

indicator

Clock/turn-off

time:

Normally

shows

the

current

time.

Shows

the

turn-off

time

time:

record-

ing

during

timer

setting

and

checking.

BILINGUAL

indicator

(SL-HF950ES

only)

bilingual

broadcast

being

received.

009

98608

Shows

fo)

[5]

Cassette

compartment

The

compartment

slides

out

when

the

EJECT

but-

ton

the

OPEN/CLOSE

button

pressed.

slide

in,

press

the

OPEN/CLOSE

button.

[6]

WOPEN/CLOSE

button

Press

slide

out

the

cassette

compartment

regard-

less

whether

the

tape

running

not.

Press

again

slide

the

cassette

compartment.

—38—

Variable

speed

playback

buttons

and

indicators

During

playback

(in

normal,

still,

fast

motion

slow

motion

picture

mode),

press

one

these

buttons

select

the

desired

playback

speed.

The

indicator

the

button

lights.

When

the

indicator

the

FWD

FRAME

button

lights,

the

picture

advances.

When

the

indicator

the

REV

FRAME

button

lights,

the

pic-

ture

moves

the

reverse

direction.

plq

STILL

button:

For

still

picture

1/10

button:

For

slow

motion

picture

4/10

normal

speed

1/5

button:

For

slow

motion

picture

*/s

normal

speed

button:

For

normal

speed

picture

button:

For

double-speed

picture

button:

For

fast

motion

picture

times

normal

speed

FRAME

buttons

During

normal

variable

speed

playback,

these

but-

tons

are

used

select

the

direction

playback.

Press

the

FWD

button

for

forward

picture,

the

REV

button

for

reverse

picture.

These

buttons

are

also

used

for

frame-by-frame

play-

back.

During

pause

playback

still

picture

mode,

press

the

FWD

button

advance

the

picture

one

frame,

the

REV

button

reverse

the

pic-

ture

one

frame.

either

button

kept

depressed,

the

picture

moves

frame

continuously.

[8]

PROG

(programme)

+/—

buttons

Press

advance

—

reverse

the

programme

numbers.

Also

used

for

clock

setting

and

timer

set-

ting.

(10)

Tuning

compartment

All

the

switches

and

buttons

for

programming

sta-

tions

are

this

compartment.

RESET

button:

Toclear

the

programmed

station,

press

this

button.

AFT

button

and

lamp:

The

AFT

circuit

activates

automatically

after

the

stations

are

tuned

and

memorized

with

automatic

and

manual

pro-

gramming.

The

AFT

famp

will

illuminate.

you

wish

restore

the

AFT

the

station

which

has

been

fine-tuned

manually

with

the

FINE

buttons,

press

the

AFT

button.

FINE

and

—

buttons:

Press

fine-tune

the

station.

AUTO

PROGRAM

(automatic

programming)

but-

ton:

preset

the

receivable

stations

automa-

tically,

press

this

button.

Tuning

lamps:

Lights

indicate

the

tuning

band.

and

buttons:

Press

tune

station.

Press

the

—

button

get

station

lower

frequency

and

the

button

get

station

higher

frequency.

(\4]

INSERT

indicators

The

AUDIO

indicator

lights

when

the

AUDIO

INSERT

button

pressed,

and

the

VIDEO

indicator

lights

when

the

VIDEO

INSERT

button

pressed.

{12}

Function

buttons

REW

button:

Press

rewind

the

tape.

PLAY

button:

Press

play

the

tape

back.

button:

Press

advance

the

tape

rapidly.

STOP

button:

Press

stop

the

tape.

PAUSE/pi@

STILL

button:

Press

stop

the

tape

for

moment

during

recording

playback.

Press

again

release

the

pause

mode.

RECORD

button:

Press

start

recording.

(13)

SUPER

BETA

indicator

This

indicator

lights

when

the

SUPER

BETA

selector

set

the

SUPER

BETA

(STD

PRO)

position.

[14]

EDIT

indicator

This

indicator

lights

when

the

EDIT

switch

set

the

lower

position.

(15)

INDEX

button

This

button

used

for

the

index

scan

operation.

See

page

23.

(16)

ZERO

button

stop

mode,

press

this

button

advance

rewind

the

tape

approximately

the

“OHOOMO00S”

point

the

time

counter.

(17,

COUNTER

RESET

button

Press

reset

the

time

counter

“OHOOMO0S”.

{i8]

TV/VTR

select

button

This

button

operable

when

connected

the

recorder’s

21-pin

EUROCONNECTOR.

view

programme

selected

the

PROG

but-

tons

the

recorder

monitor

the

picture

being

recorded,

press

this

button

that

the

VTR

indicator

appears

the

display

window.

When

the

p>»

PLAY

button

the

recorder

pressed,

the

recorder

au-

tomatically

set

the

VTR

mode.

view

pro-

gramme

the

usual

manner,

press

this

button

that

the

indicator

goes

off.

When

the

recorder

turned

off,

the

recorder

automatically

set

the

mode.

—9—

REC

LEVEL

(recording

level)

controls

Used

adjust

the

audio

recording

level

Beta

hi-fi

recording.

Normally

set-these

controls

(green

po-

sition)

for

recording

programmes.

(20)PEAK

PROG

(programme)

METER/BETA

HI-FI

TRACKING

meters

When

the

LEVEL

METER

selector

set

ON,

these

meters

show

the

peak

input

levels

the

left

and

right

channels

during

Beta

hi-fi

recording,

and

recorded

levels

during

playback.

When

the

LEVEL

METER

selector

set

BETA

HI-FI

TRACKING,

the

meters

show

the

audio

tracking

ad-

justment.

Adjust

the

audio

tracking

for

optimum

sound

reproduction

tape

which

only

the

sound

has

been

recorded

Beta

hi-fi.

(21}

Beta

hi-fi

lamp

Lights

show

Beta

hi-fi

recording,

playback

Beta

hi-fi

recorded

tape

regardless

the

BETA

HI-FI

selector’s

position.

(22}

SOUND

lamp

When

the

RECORD

mode

selector

set

SOUND,

this

lamp

lights

show

audio

recording.

also

lights

when

tape

with

audio

signals

only

being

played

back.

23}

MIC

(microphone)

jack

(minijack)

Connect

microphone

record

the

sound

from

the

conventional

audio

track.

PHONES

jack

(stereo

phone

jack)

Connect

headphones

monitor

the

sound.

[25]

PHONE

LEVEL

control

Adjust

the

sound

volume

the

headphones.

Inside

the

front

panel

TIMER

REC

CLOCK

SET

button:

Press

initiate

clock

set-

ting.

CLEAR

button:

Press

erase

the

memory

the

timer

setting.

CHECK

button:

Press

check

timer

settings.

TIMER

SET

button:

Press

initiate

timer

set-

ing.

button:

Press

advance

the

item

set

during

clock

timer

setting.

TIMER

REC

ON/OFF

button:

Press

activate

timer

recording.

Press

again

deactivate

timer

recording

quick

timer

recording

timer

standby

mode

while

recording.

860

[27]

QUICK

TIMER

button

Press

set

the

recording

duration

hours

units

minutes.

(28)

TONE

selector

Normally

set

HIGH.

the

high

frequencies

the

playback

sound

recorded

the

conventional

audio

track

seem

exaggerated,

set

LOW.

Dieses Handbuch passt für folgende Modelle

Inhaltsverzeichnis

Andere Sony Videorecorder-System Handbücher

Sony

Sony SLV-SE220 Bedienungsanleitung

Sony

Sony SLV-L45AR Bedienungsanleitung

Sony

Sony BETACAM SP PVV-3 Bedienungsanleitung

Sony

Sony SLV-KA195CH Bedienungsanleitung

Sony

Sony SLV-SE80EN/EG Bedienungsanleitung

Sony

Sony SLV-900HF Bedienungsanleitung

Sony

Sony SLV-760HF Bedienungsanleitung

Sony

Sony SLV-799HF - Video Cassette Recorder Bedienungsanleitung

Sony

Sony SLV-M10HF - Video Cassette Recorder Bedienungsanleitung

Sony

Sony 1080i Bedienungsanleitung

Sony

Sony SLV-799HF - Video Cassette Recorder Bedienungsanleitung

Sony

Sony DVCAM DSR-30 Bedienungsanleitung

Sony

Sony SLV-N99 - Video Cassette Recorder Bedienungsanleitung

Sony

Sony SLV-ED8ME Bedienungsanleitung

Sony

Sony SLV-677HF - Video Cassette Recorder Bedienungsanleitung

Sony

Sony SLV-SE50EG Bedienungsanleitung

Sony

Sony SLV-ME100MI Bedienungsanleitung

Sony

Sony SLV-X9D Bedienungsanleitung

Sony

Sony SLV-AX10 - Video Cassette Recorder Bedienungsanleitung

Sony

Sony SLV-SE740B Bedienungsanleitung

Sony

Sony RDR-VX410 Bedienungsanleitung

Sony

Sony EV-S7000 Bedienungsanleitung

Sony

Sony SLV-SE350K Bedienungsanleitung

Sony

Sony SLV-N71 - Video Cassette Recorder Benutzerhandbuch

Beliebte Videorecorder-System Handbücher anderer Marken

Toshiba

Toshiba M-662 Bedienungsanleitung

JVC

JVC HR-J282EU Bedienungsanleitung

Magnavox

Magnavox VRU242AT Bedienungsanleitung

RCA

RCA VR634HF - Hi-Fi VCR Bedienungsanleitung

JVC

JVC HR-5910U Bedienungsanleitung

Panasonic

Panasonic ProLine AG-1320 Bedienungsanleitung

JVC

JVC HR-S8600EU Bedienungsanleitung

JVC

JVC HR-FS1U Bedienungsanleitung

Sharp

Sharp VC-H9888U Bedienungsanleitung

FUNAI

FUNAI LC-950 Bedienungsanleitung

Sharp

Sharp VC-S2000GM Bedienungsanleitung

Panasonic

Panasonic Omnivision PV-V4523S Bedienungsanleitung

Aiwa

Aiwa HV-E212 Bedienungsanleitung

JVC

JVC HR-J3006UM Bedienungsanleitung

GE VG4271 Bedienungsanleitung

Panasonic

Panasonic AGDTL1P - TIME LAPSE RECORDER Bedienungsanleitung

RCA

RCA VR678HF Bedienungsanleitung

Sylvania

Sylvania SRV196 Bedienungsanleitung