Dolby Laboratories STS75E - Manual (Page 37)

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Cleaning the Unit
• Be sure to turn the Unit off and disconnect the AC power cord before maintaining the Unit.
• Wipe the Unit with a dry soft cloth.
If the surfaces are extremely dirty, wipe clean with a cloth which has been dipped in a weak soap-and-water solution
and wrung out thoroughly, then wipe with a dry cloth.
• Never use alcohol, benzine, thinner, cleaning fluid or other chemicals. Do NOT use compressed air to remove dust.
Important Note
Before transporting the Unit, remove disc from the CD tray.
Cleaning Disc
A defective or soiled disc inserted into the Unit can cause sound to drop out during playback.
Handle the disc by holding its inner and outer edges.
• Do NOT touch the surface of the unlabeled side of the disc.
• Do NOT stick paper or tape on the surface.
• Do NOT expose the disc to direct sunlight or excessive heat.
• Clean the disc before playback. Wipe the disc from the center outward with a
cleaning cloth.
• NEVER use solvents such as benzine or alcohol to clean the disc.
• Do NOT use irregular shape discs (example : heart shaped, octagonal, etc.). They may cause malfunctions.
• Check that the AC power cord is connected.
• The region number of the disc doesn't match the region number of this Unit.
• The TV is not set to receive DVD signal output.
• The video cable is not connected.
• The TV is not turned on.
• Clean the disc.
• If video from your system has to go through your VCR to get to your TV, the copy-protection
applied to some DVD programs could affect picture quality. If you still experience problems
after checking your connections, please try connecting your Unit directly to your TV.
• The disc is scratched.
• The DVD unit may be set to progressive scan, moreover, TV does not support Progressive
Scan component video signal. Press the P. SCAN button repeatedly until the "CVBS"
display. Display may be failed to show "CVBS" in case there is no disc or tray opened.
No power.
No picture.
SYMPTOM CAUSE (AND REMEDY)
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The picture is not
clear.
Maintenance
Trouble Shooting Guide