Sony 50P, DSR-50 manual 96

Notes on Use

Notes on the videocassette recorder

Do not use the unit in a place subject to direct sunlight or heat sources

If you do, its cabinet, mechanical parts, etc., may be

7Chapter	damaged.
Maintenance	Do not use the unit in an extremely hot place
	If the unit is left in a car parked with its windows
	closed (especially in summer), its cabinet, mechanical
	parts, etc., may be damaged or it may not work
	correctly.
	If the unit is brought directly from a cold to a
	warm location
	Moisture may condense inside the unit and cause
	damage to the video heads and tape. If you use the unit
	in a place subject to direct cold currents from an air
	conditioner, moisture may also condense inside the
	unit.
	Do not place a heavy object on the unit
	The cabinet, mechanical parts, etc., may be damaged,
	or the unit may not work correctly.
	Do not handle the unit roughly
	Avoid rough handling or mechanical shock.
	To avoid damaging the cabinet’s finish
	Plastic is partially used for the surface finishing of the
	unit. Do not spray a volatile solvent such as an
	insecticide toward the cabinet or place rubber or vinyl
	products on the cabinet for a long time. If you do, the
	finish of the cabinet may be damaged or the coating
	may come off.
	Do not clean the cabinet with thinner or
	benzine
	The cabinet may be damaged or its coating may come
	off. When you use a chemical-impregnated cloth, use
	it according to its directions.
	Clean the cabinet with a soft dry cloth
	When the cabinet is very dirty, clean it with a soft dry
	cloth lightly moistened with a mild detergent solution
	and finish it with a dry cloth.
	Do not put magnetic objects close to the unit
	Magnetic fields may damage the recording.

96 (GB) Chapter 7 Maintenance

To prevent electromagnetic interference caused by radio communication equipment such as cellular phones, transceivers, etc.

The use of the radio communication equipment such as cellular phones or transceivers near the unit may cause a malfunction and can affect the audio/video signals.

The cellular phones or transceivers near the unit should be switched off.

Do not use the unit in an area exposed to radiation

A malfunction may occur.

Checking the video heads every 1000 hours A VCR is a high-precision piece of equipment that records and plays back the picture on a magnetic tape. In particular, the video heads and other mechanical parts may become dirty or worn. To maintain a clean picture, we recommend maintenance every 1000 hours, even though the conditions of use may differ depending on temperature, humidity, dust, etc.

Cleaning of the video heads

If the video heads are contaminated, the pictures cannot be recorded properly or the playback pictures become noisy. If the following phenomena occur, use the cleaning cassette (supplied) to clean the heads.

•Square-shaped noise appears on the playback picture.

•A part of the playback picture does not move.

•The playback picture does not appear on the screen.

Symptoms caused by contaminated video heads

Normal picture	If these pictures appear on the
	screen, use the cleaning cassette.

To use the cleaning cassette

Refer to your cleaning cassette’s operating instructions.

After prolonged use, the video heads may become worn out. If optimum picture quality is not restored even after you have cleaned the video heads with the cleaning cassette, the video heads may have worn out. In that case, you have to replace the video heads with new ones. Please consult your Sony dealer.