Additional Information; Troubleshooting - Sony Trinitron KV-13VM40 Manual De Instrucciones

Additional Information

Troubleshooting

Function
Problems
TV reception
No picture (screen is
dark), no sound
Good picture but no
sound
No color or poor color
(screen is dark) for
color programs, but
good sound.
No picture, no sound
from video input
source
Cannot receive VHF or
UHF channels when
using an antenna.
TV is fixed to one
channel
Clock and
The clock has stopped
timer
and "--/--" is
displayed.
Playback Power is on, but the
tape does not run.
Poor playback picture
Symptoms caused by contaminated video heads
• Normal picture • Rough picture
48
Additional Information
Possible causes and remedies
• The AC power cord is disconnected.
/ Connect the AC power cord.
• The Video/TV is switched off.
/ Press POWER.
• The headphones are connected to the 2 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)
• Adjust "PICTURE," "BRIGHTNESS," "COLOR," "HUE," and "SHARPNESS"
in the VIDEO menu. (page 19)
• 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)
• Cable setting is not correct.
/ Set CABLE to OFF.
• Cable setting is not correct.
/ Set CHANNEL FIX to OFF.
• 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)
• 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.
• 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.
• Unclear picture
initial
contamination
• No picture (or
black& white
screen appears)
terminal