Sony 120-250gb playstation 3 4-184-386-11 User Manual

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Before requesting service
The size of the video image and the TV screen do not match.
The settings of the connected TV and the video output settings of 
the system may not match. Check the following items:
 Check that the system’s settings under 
 (Settings)   
 (Display Settings)   [Video Output Settings] are correct.
 Check that the settings of the connected TV are correct. For 
details, refer to the instructions supplied with your TV.
With some video content, the screen size cannot be changed.
The screen color does not seem right.
If set to the default setting, the background color changes as the 
time, day and month changes.
Audio
There is no sound.
Check that the muting function on the TV or speakers is turned off. 
Also check that the volume is at the appropriate level.
If an audio device is connected, check the settings of the device. 
For details, refer to the instructions supplied with the audio device.
There may be a problem with the AV cable. Try using another cable 
that is compatible with the PS3™ system.
Some software do not support digital audio output.
If the system’s audio output settings do not match the AV cable or 
device in use, the system may not produce sound. Check that the 
system’s settings under 
 (Settings)   
 (Sound Settings)   
[Audio Output Settings] are correct.
Some content that support Dolby Digital, DTS, and other formats 
may not produce audio from all channels.

Music files do not play.
Playback methods may be limited for some music files that are 
distributed via the Internet. In such cases, it may not be possible to 
play the content on the PS3™ system.
Network
A connection to the network cannot be established.
If using a wired connection, check that the Ethernet cable is 
securely connected.
Check that the network settings are correct. Refer to the instructions 
supplied by your Internet service provider or in the software manual 
to make the correct network settings.
The message [An error occurred during communication with the 
server. This is a DNS error. (80710102)] is displayed during the 
Internet connection test.
If you connect the system to a modem that does not have a router 
feature (bridge modem), you may need to set PPPoE settings. 
Select 
 (Settings)   
 (Network Settings)   [Internet 
Connection Settings]   [Custom] to start configuring the Internet 
connection. Continue adjusting settings until you see the IP address 
setting screen. Select [PPPoE], and then enter the user name and 
password provided by your Internet service provider.
If you connect your system to a router, complete initial settings on 
the router first. After completing the settings on the router, try to 
adjust the network settings again by selecting 
 (Settings)   
 
(Network Settings)   [Internet Connection Settings]   [Easy] again. 
For details about the router settings, refer to the instructions 
supplied with your router.