Samsung SV-250B ユーザーズマニュアル

Technical Specifications

Design and specifications are subject to change without notice.

Format

VHS PAL standard

Heads

Video: 4 rotary heads

(SV-450B/450X)

Video: 2 rotary heads

(SV-255B/250B/250X)

Hi-Fi audio: 2 rotary heads
Audio/Control: 1 stationary head

Audio/Control: 1 stationary head

Erase: 1 full track erase head

Receiving channel

VHF-I, VHF-III, UHF, lnterband/

Hyperband Hyperband

Television system

STANDARD B/B A2

STANDARD B/B

(SV-655B/650B)

(SV-450B/255B/250B)

STANDARD B/G A2/NICAM

STANDARD B/G

(SV-655X/650X)

(SV-450X/250X)

Luminance

FM azimuth recording

Colour system

PAL/MESECAM/NT4.43: Down

converted subcarrier phase shifted

direct recording

NTSC PB on PAL TV

Tape speed

23.39 mm/sec

11.69 mm/sec

Recording/playback time

SP3 hours (E-180 Tape)

3 hours (E-180 Tape)

6 hours (E-180 Tape)

REW time

About 60 sec in REW with E-180

VIDEO
Input

0.5 to 2.0 Vp-p; 75 ohm unbalanced

Output

1.0 ± 0.2 Vp-p; 75 ohm unbalanced

Signal-to-noise ratio

Better than 43 dB (SP)

Horizontal resolution

More than 240 lines

AUDIO
Input

-8 dBm, 47 Kohm unbalanced

Output

-8 ± 3 dBm, 1 Kohm unbalanced

Wow and flutter (WTD)

0.4% max (SP)

Signal-to-noise ratio

68 dB min (IHF A filter)

42 dB min (IHF A filter)

Frequency response

20Hz - 20kHz

100Hz - 8kHz

Power requirement

220-240V~, 50Hz

Power consumption

Approx. 17 watts

Approx. 15 watts

Operation temperature

41°F-104°F (5°C-40°C)

Operation humidity

10%-75%

Weight

2.8 Kg (net)

Dimensions (WxHxD)

360 x 94 x 240 mm

MODEL

SV-655B/650B/655X/650X

SV-450B/255B/250B/450X/250X

Problems and Solutions

Before contacting the Samsung after-sales service, perform the following simple checks.

Problem

Explanation/Solution

No power

◆

Check that the power plug is connected to a wall outlet.

◆

Have you pressed the VCR STANDBY/ON (STANDBY/ON)
button?

You cannot insert a video cassette

◆

A video cassette can only be inserted with the window
side up and the safety tab facing you.

The television programme was not recorded

◆

Check the VCR aerial connections.

◆

Is the VCR tuner properly set?

◆

Check if the safety tab is intact on the cassette.

Timer recording was unsuccessful

◆

Was the VCR STANDBY/ON (STANDBY/ON) button pressed
to activate the timer?

◆

Re-check the recording start/stop time settings.

◆

If there was a power failure or interruption during timer
recording, the recording will have been cancelled.

No playback picture or the picture

◆

Check to see if you are using a prerecorded tape.

is distorted

You cannot see normal broadcasts

◆

Check the TUNER/EXTERNAL setting. It should be on
TUNER.

◆

Check the TV/VCR aerial connections.

Noise bars or streaks on playback

◆

Press the PROG/TRK (

❷

) / TRK (

) buttons to

minimize this effect.

When the

❿

button is pressed

◆

A still picture may have “noise bars”, depending on the

during playback, the still picture

condition of the tape. Press the PROG/TRK (

❷

) / TRK (

has severe “noise bars” streaks

or ) buttons during SLOW motion to minimize this effect.

Video Head Cleaning

◆

If poor pictures appear on a variety of cassettes, the video
heads may need cleaning. This is not a common problem
and unless it appears, the heads should not be cleaned.
When cleaning the video heads, read all instructions
provided with the head cleaning cassette. Incorrect head
cleaning can permanently damage the video heads.

If when tuning in your TV to the VCR test

1. Remove the aerial input plug from the socket marked (aerial

pattern your TV does not find the test pattern

symbol) on the rear of the VCR.

or the pattern when found suffers from

2. Carry out the instructions “Tuning Your Television for the VCR”

interference, it may be due to the VCR output

(see page 14).

channel clashing with the normal TV

3. Carry out the instructions “Setting the VCR output Channel”

transmissions in your area. To prevent this

(see page 17), move the channel number several channels

you will need to change the VCR output

down from the original setting. (example: from 38 to 35).

channel in the following way

4. Replace the aerial plug into the socket marked (aerial symbol)

on the rear of the VCR.

5. Re-tune your TV to the VCR again by following instructions

“Tuning Your Television for the VCR” (page 14).

6. If the problem still exists repeat steps 1 to 5 moving several

more channels away from the original setting.

If you are unable to solve the problem after reading the above instructions, note:

◆ The model and serial number on the rear of your VCR
◆ The warranty information
◆ A clear description of the problem

Then contact your nearest SAMSUNG after-sales service.