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Troubleshooting - Sony KF-E42A10 Service Manual

Lcd projection tv.
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Troubleshooting

Check whether the \ 1 indicator is flashing in red.
When it is flashing
The self-diagnosis function is activated.
1
Measure how many times the \ 1 indicator flashes and stops flashing.
For example, the indicator flashes for two seconds, stops flashing for one second, and flashes for two seconds.
2
Press 1 on the TV (front side) to switch it off, disconnect the AC power cord, and inform your dealer
or Sony service center of how the indicator flashes (duration and interval).
When it is not flashing
1
Check the items in the tables, below.
2
If the problem still persists, have your TV serviced by qualified service personnel.
Picture
Problem
No picture (screen is dark) and
no sound
No picture or no menu
information from equipment
connected to the video input
jack
Distorted picture
Double images or ghosting
Snowy picture and noisy sound
52
GB
Cause/Remedy
• Check the power cord, antenna, and VCR connection.
• The TV is not turned on. Press
• If the \ 1 indicator lights up in red, press TV "/1.
• Check that the optional equipment is on and press
the correct input symbol is displayed on the screen.
• Check the connection between the optional equipment and the TV.
• Check if any connected optional equipment is installed in front of the TV or
beside the TV. When installing optional equipment, leave some space
between the optional equipment and the TV.
• When changing channels, turn off any equipment connected to the video
input jack on the rear of the TV.
• Broadcast signals are too strong. Turn off or disconnect the booster if it is in
use.
• Check antenna/cable connections.
• Check the antenna location and direction. Contact a Sony dealer for advice.
• Set Image Shift to an appropriate value. The default setting is Auto. If
doubled images appear with Auto, select the best value from 1 to 4 (see
page 40).
• Broadcast signals are reflected by nearby mountains or building. Use the
fine tuning ("Fine") function (page 35). Otherwise, use a highly direction
antenna.
• Use of a booster is inappropriate. Turn off or disconnect the booster if it is in
use.
• The antenna connection is loose or the antenna cable is damaged. Check the
cable and connection on the TV, VCR, and on the wall (page 14).
• Channel presetting is inappropriate or incomplete. Perform "Manual
Program" in the "Program" menu to preset the channel again (page 35).
• The antenna type is inappropriate. Check the antenna type (VHF/UHF).
Contact a Sony dealer for advice.
• The antenna direction needs adjustment. Adjust the antenna direction.
Contact a Sony dealer for advice.
• Signal transmission is low. Try using a booster.
1
on the TV (front side).
/
repeatedly until

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Kf-e50a10

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