TROUBLESHOOTING
The following problems do not always indicate a hardware failure. Therefore, please use the
troubleshooting guide below before calling for repair service. If, after following the guide none of the
remedies work, unplug the TV and call for service.
Make sure the power cord is plugged in,
then press POWER button.
Check battery in the remote control.
(Maybe batteries are dead.)
Ensure the TV power is ON (Indicated
by the green power indicator on the
front of the unit).
Check antenna/ cable connections.
Try different channel.
Maybe sound is muted. Try pressing
VOL+ button is not set to minimum.
Try another channel.
Check the AV cables for disconnection.
Maybe the TV is being affected by
interference from automobiles, trains,
high-voltage transmission lines, neon
signs or another sources of interference.
Try redirecting or relocating your antenna
to reduce the affects of the interference.
Change channels to confirm if the
symptom is still present.
Try another channel.
Check antenna connections.
If using VCR, check TV/VCR button.
Adjust fine tuning control.
Probably local interference, such as an
appliance.
When the VCR test signal (TSG) is
received, the lower side of the test
pattern is distorted as shown in the
figure. This is not a malfunction and the
playback picture is not influenced by it.
That channel may be locked out with
SKIP CHANNEL function.
Problem
Checks and Adjustments
TV will not turn on
No picture, no sound
No sound, picture OK
Spots on the screen (Snow)
Poor reception of broadcast
channels
VCR
Cannot select a certain channel
Operation Instructions
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Summary of Contents for CTV-63N11 TXT
Page 9: ...IC Block Diagram 9 IC740 UNIVERSALHI FI AUDIO PROCESSOR FOR TV TDA9859...
Page 11: ...Transistor Mark 11...
Page 12: ...Maion PCB Top Layer 12...
Page 13: ...Maion PCB Bottom Layer 13...
Page 17: ...Service Adjustments 17 The detailed instruction of 3P51 5P18...
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