Sony KLV-S40A10E Service Manual page 16

0 aN I I IS
Troubleshooting
Check whether the () (standby) indicator is flashing in red.
When it is flashing
The self-diagnosis function is activated.
1 Measure how long the (5 (standby) 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 @) on the TV (Top side) to switch it off, disconnect the mains lead, and inform your dealer or
Sony service centre 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 Cause/Remedy
No picture (screen is dark) and = * Check the aerial connection.
no sound * Connect the TV to the mains, and press © on the TV (top side),
* If the © (standby) indicator lights up in red, press TV Vc.
No picture or no menu « Check that the optional equipment is on and press -&)/@) repeatedly until
information from equipment the correct input symbol is displayed on the screen.
connected to the scart * Check the connection between the optional equipment and the TV.
connector
Distorted picture « When installing optional equipment, leave some space between the optional
equipment and the TV.
« When changing programmes or selecting Text, turn off any equipment
connected to the scart connector on the rear of the TV.
Double images or ghosting * Check aerial/cable connections.
* Check the aerial location and direction.
Only snow and noise appear * Check if the aerial is broken or bent.
on the screen * Check if the aerial has reached the end of its serviceable life (three to five
years in normal use, one to two years at the seaside).
Picture (dotted lines or stripes) * Keep the TV away from electrical noise sources such as cars, motorcycles,
noise or hair-dryers.
+ Make sure that the aerial is connected using the supplied coaxial cable.
* Keep the aerial cable away from other connecting cables.
* Do not use a 300-ohm twin lead cable as interference may occur.
Picture noise when viewing a * Select "Manual Programme Preset" in the "Set Up" menu and adjust "AFT"
TV channel (Automatic Fine Tuning) to obtain better picture reception (page 31).
* Select "Noise Reduction" in the "Picture Adjustment" menu to reduce the
noise in the picture (page 22).
Stripe noise during playback/ * Video head interference. Keep your VCR away from the TV.
recording of a VCR * Leave a space of 30 cm between your VCR and the TV to avoid noise.
* Avoid installing your VCR in front of the TV or beside the TV.
Problem Cause/Remedy
No colour on programmes * Select "Reset" in the "Picture Adjustment" menu to return to the factory
settings (page 22).
No colour or irregular colour * Check the connection of the Y, Ps/Cs, Pr/Cr jacks of 3.
when viewing a signal from the * Make sure that the Y, Ps/Cp, Pr/Cr jacks of ~£-33 are firmly seated in their
Y, PB/CB, PR/CR jacks of respective sockets.
3
'Sound . oe :
Problem Cause/Remedy
No sound, but good picture * Press 1 +/— or ™X (Mute).
* Check that "TV Speakers" is set to "on" in the "Features" menu (page 27).
Noisy sound « See the "Picture noise" causes/remedies on page 42.
Channels
Problem Cause/Remedy
The desired channel cannotbe + Switch between digital and analogue mode and select the desired digital/
selected analogue channel,
Some channels are blank * Scrambled/Subscription only channel. Subscribe to the Pay Per View
service.
¢ Channel is used only for data (no picture or sound).
* Contact the broadcaster for transmission details.
Digital channel is not displayed + Check that the aerial is plugged directly into the TV (not through other
equipment).
* Contact a local installer to find out if digital transmissions are provided in
your area,
* Upgrade to a higher gain aerial.
Problem Cause/Remedy
The TV turns off automatically — * Check if the "Timer" is activated (page 28).
(the TV enters standby mode) —«_'If no signal is received or no operation is performed in the TV mode for 10
minutes, the TV automatically switches to standby mode.
The TV turns on automatically * Check if the "Timer" is activated (page 28)
Some input sources cannotbe + Select "AV Preset" in the "Set Up" menu and cancel "Skip" of the input
selected source (page 31).
The remote does not function * Replace the batteries.
20003-Wu / Z00V3-WY
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