Sony GV-M20 - Manual (Page 17)

Maintenance
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• When the unit Is not used for a long period ot time, penoaically turn on me power and play bacK a tape
tor aoout three minutes.
• Clean the caDinei with a dry. soft cloth, or a soft cloth lightly moistened with a mild detergent solution. Do
not use any type ot solvent which may damage the limsh.
VW>o H—d Cl—ntng
To ensure a clear picture, clean the video heads periodically
It piayPacK pictures are noisy or hardly visible, the video heads rnay De contaminated. It this happens,
Clean ihe video heads with the Sony V8-2SCI-H cleamng cassette (not supplied) referring to the
instruciions supplied with it.
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Caution
Oo noi use commercially available wet-type cleaning cassettes
They may damage the video heads.
If fhe y8-25Cl-H cleartmg cassede is not available m yaur area, consult your Sony service facrlify.
Video Head Replacement
When playbacK pictures are not clear even after using the cleaning cassette, me video head may be
damaged. II this happens, the video head needs to be replaced with a new one. Consult your Sony
service facility tor replacing the video head.
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If this unit IS brought directly from a cold place to a warm place, moisture may condense msde the unit or
on the surface of the tape, if this happens. Ihe tape may siicK to the head drum, damaging both the tape
and me unit. Although this unit is furnished with a moisture sensor to prevent possible damage from
condensation, it cannot prevent damage if a tape is left inside the unit. R is best to remove the lape if you
are not using Ihe unit
If moisture condenses inside the unit
■DEW" appears on tha screen.
No button will function except EJECT
Elect (he cassette, tum off the unit and leave (he cassette hotder open for at (east an npur.
The unit can be used again if 'DEW" does not appear when one of the tape transport Duttons (D>, i~.
PAUSE M, FF ►► Of PIEW is pressed.
Dull»lw UghilUgyilWII
A buiit-in lignting system is installed inside the liquid crystal screen ol this unit. Eventually the small
ifuorescertt tube used for this bui(t-irt itghtmg system wears out. ff the tube becomes drm or goes off
immediately aRar you lum on the unit, even with new Oattenes, replace me tube with a new one. To
replace the tube, cortsull the dealer where you purchased the unit, or a Sony service facility. The expected
life cf me small fluorescent tube is about three years if this unit is used for ah hour each day. Whan you
use this unit in a cold environment, the fluorescent tube will be dimmer at first. As soon as the temperafure
of the tube nses, it will regain its onginal bnghtness.
>t push the display forcibly
•It IS used m a coW place, a residual image may appear on the screen. This is not a maffurtct/on
^ nht points of light (red, blue, or green) may appear on me screen. This is not a malfunction
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