Sony KV-20VM40 - Manual (Page 48)

Additional Information
Troubleshooting
Function Problems Possible causes and remedies
TV reception No picture (screen ii^
dark), no sound • The AC power cord is disconnected.
■♦Connect the AC power cord.
• The Video/TV is switched off.
•♦Press POWER.
Good picture but no
sound • The headphones are connected to the 0 jack.
^ Disconnect the headphones.
• MUTING is displayed on the screen.
■♦Press MUTING.
• Verify your audio mode (KV-20VS40 only).
■♦Check the MTS setting in the AUDIO menu.
• Press VOL+.
• Check antenna/cable connections, (page 5)
No color or poor color
(screen is dark) for
color programs, but
good sound. • Adjust "PICTURE," "BRIGHTNESS," "COLOR," "HUE," and "SHARPNESS"
in the VIDEO menu, (page 19)
No picture, no sound
from video input
source • The connecting cord between the Video/TV and the input source is
disconnected.
^Connect it firmly.
• Input is not selected correctly.
^Press INPUT SELECT until the desired input indicator appears, (page 47)
Cannot receive VHP or
UHF channels when
using an antenna. • Cable setting is not correct.
-♦■Set CABLE to OEF.
TV is fixed to one
channel • Cable setting is not correct.
■♦Set CHANNEL EIX to OEE.
Clock and
timer The clock has stopped
and " is
displayed. • The power has been interrupted or the AC power cord is disconnected for
more than 30 minutes.
^Re-set the clock and timer settings if necessary, (pages 15, 30)
Playback Power is on, but the
tape does not run. • Moisture has condensed in the Video/TV.
■♦Turn the power off, unplug the AC power cord and leave the Video/TV
for about one hour.
Poor playback picture • Adjust the tracking, (page 45)
• The video heads are dirty.
^The video heads are dirty (see below). Clean the video heads using a Sony
video head cleaning cassette. If Sony cleaning cassettes are not available in
your area, have the heads cleaned at your nearest Sony service facility (a
standard service charge will be required). Do not use a commercially
available liquid type cleaning cassette other than Sony's, as they may
damage the video heads.
^The video heads may have to be replaced. Consult your local Sony dealer
for more information.
Symptoms caused by contaminated video heads
• Normal picture • Rough picture • Unclear picture No picture (or
black& white
screen appears)
initial terminal
48
contamination
Additional Information