KLV-24EX430 - Sony TV Service Manual (repair manual). Page 87

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23
 GB
KLV-24EX430
4-433-737-11(1)
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Troubleshooting
When the 
1
 (standby) indicator is flashing, 
count how many times it flashes (interval time 
is three seconds).
Press "/1 on the TV to turn it off, disconnect the 
AC power cord, and inform your dealer or Sony 
service centre of how the indicator flashes 
(number of flashes).
When it is not flashing
Check the items listed below. If the problem still 
persists, have your TV serviced by qualified 
service personnel.
No picture and no sound
• Check the antenna/cable connection.
• Connect the TV to the AC power outlet, and press 
"/1 on the TV. If the 1 (standby) indicator lights up 
in red, press "/1.
No picture from the connected equipment
• Turn the connected equipment on.
• Check the connection between the optional 
equipment and the TV.
• Press 
 repeatedly to select the desired input.
• Correctly insert the USB/MHL device.
• For USB device: Make sure that the USB device has 
been properly formatted.
• For MHL device: Ensure that the MHL device is 
connected to the HDMI IN 2/MHL jack using an MHL 
cable.
• Operations are not guaranteed for all USB/MHL 
devices. Also, operations differ depending on the 
features of the USB/MHL device.
Double images or ghosting
• Check the antenna/cable connection, location or 
direction.
Only snow and noise appear on the screen
• Check if the antenna is broken or bent.
• Check if the antenna has reached the end of its 
serviceable life (three to five years in normal use, 
one to two years at the seaside).
Distorted picture (dotted lines or stripes)
• Keep the TV away from electrical noise sources 
such as cars, motorcycles, hair-dryers or optional 
equipment.
• When installing optional equipment, leave some 
space between the optional equipment and the TV.
• Check the antenna/cable connection.
• Keep the antenna/cable away from other connecting 
cables.
Picture or sound noise when viewing a TV channel
• Adjust “AFT” (Automatic Fine Tuning) to obtain 
better picture reception (page 18).
Tiny black points and/or bright points appear on 
the screen
• The screen is composed of pixels. This is not a 
malfunction.
Picture contours are distorted
• Change the current setting of “Cinema Drive” to 
other settings (page 15).
No colour on programmes
• Select “Reset” (page 15).
No sound, but good picture
• Press 2 +/– or % (Mute).
• Check if the “Speakers” is set to “TV Speakers” 
(page 16).
No sound or noisy sound
• Check if the TV system setting is appropriate 
(page 18).
Some channels are blank
• The channel is for scrambled/subscription service 
only. Subscribe to a pay TV service.
• Channel is used only for data (no picture or sound).
• Contact the broadcaster for transmission details.
The TV turns off automatically (the TV enters 
standby mode)
• Check if the “Sleep Timer” is activated (page 19).
• Check if the “Idle TV Standby” is activated 
(page 20).
Some input sources cannot be selected
• Select “Video Labels” and cancel “Skip” of the input 
source (page 20).
The remote does not function
• Replace the batteries.
HDMI equipment does not appear on “BRAVIA 
Sync Device List”
• Check that your equipment is compatible with 
BRAVIA Sync Control.
Cannot select “Off” in “BRAVIA Sync Control”
• If you have connected any audio system that is 
compatible with BRAVIA Sync Control, you cannot 
select “Off” in this menu. To change the audio output 
to the TV speaker, select “TV Speakers” in the 
“Speakers” menu (page 16).
The “Parental Lock” password has been forgotten
• Enter 9999 for the PIN code (PIN code 9999 is 
always accepted.) (page 19).
Picture
Sound
Channels
General
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