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Problems and solutions, Technical specifications – Samsung SV-645B User Manual

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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 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 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 TRK (

or

) buttons to minimize this effect.

When the

II button is pressed

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

during playback, the still picture

condition of the tape. Press the TRK (

or

) buttons during

has severe “noise bars” streaks

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 16), move the channel number several channels

you will need to change the VCR output

down from the original setting. (example: from 60 to 57).

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.

Technical Specifications

Design and specifications are subject to change without notice.

Format

VHS PAL standard

Heads

Video: 4 rotary heads
Hi-Fi audio: 2 rotary heads
Audio/Control: 1 stationary head
Erase: 1 full track erase head

Television system

STANDARD I-NICAM STEREO

Luminance

FM azimuth recording

Colour system

PAL: Down converted subcarrier phase shifted direct recording
NTSC PB on PAL TV

Tape speed

SP 23.39 mm/sec
LP 11.69 mm/sec

Recording/playback time

SP 3 hours (E-180 Tape)
LP 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)

Frequency response

20Hz - 20kHz

Power requirement

230V (AC 50-60 Hz)

Power consumption

Approx. 17 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

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