Toshiba TW56D90 - Manual (Page 68)

CHAPTER 6 ADDITIONAL REFERENCE
Before Calling Service
Personnel
Before calling service personnel, please check the following chart for the possible
cause of the problem you are experiencing.
Symptom Check Adjustments
No picture, no sound • Be sure power cord is plugged in.
• May be station trouble.
• Check antenna connections.
• Check antenna for broken wires. • Press POWER button.
• Try another channel.
• Re-orient antenna.
No sound, picture OK • May be station trouble.
• Check if SPEAKER ON/OFF function (see page 66) or
MAIN SPEAKER switch (see page 67) is properly set.
• Try another channel.
• Adjust VOLUME.
Poor sound, picture OK • May be station trouble.
• May be local interference from appliance.
• Check antenna connections. • Try another channel.
. Adjust VOLUME.
• Adjust BASS, TREBLE,
or BALANCE control.
• Re orient antenna.
Poor picture, sound OK
• Snowy picture
• Lines in picture
• Distorted picture
• Weak picture
• May be station trouble.
• May be local interference from appliance.
• Check antenna connections.
• Check antenna for broken wires. • Try another channel.
• Adjust BRIGHTNESS.
• Adjust CONTRAST.
• Adjust SHARPNESS.
• Re-orient antenna.
Poor reception of broadcast
channels
• If VCR is connected, check TVA/CR switch.
• Check antenna connections.
• Check antenna for broken wires.
• Try another channel.
• Re-orient antenna.
Unable to select a certain
channel
• That channel may be locked out with the CH LOCK
function (see page 56).
• Check if TV'CABLE function is properly set.
(See page 24.)
• Try another channel.
Multiple images (ghosts) • May be station trouble.
• Check antenna connections.
• Try another channel.
• Re-orient antenna.
Poor color or no color • May be station trouble.
• May be local interference from appliance.
• Check if station is broadcasting in color.
• Check antenna connections.
• Check antenna for broken wires. • Try another channel.
• Adjust TINT.
• Adjust COLOR.
• Re-orient antenna.
Weak and noisy stereo
program
• Check antenna connections.
• Check antenna for broken wires. . Select the MONAURAL
mode. (See page 38.)
• Re-orient antenna.
No stereo or SAP sound
from a known MTS
broadcast
• Check if MTS function is properly set. • Select STEREO or SAP
mode. (See page 38.)
Remote Control does not
work
• Check if TV/CABLEA/CR/AUX switch is properly set.
• Be sure power cord is plugged in.
• Check battery in Remote Control.
• Change batteries.
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