Sony DAV-IS50 User Manual

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When the self-diagnosis function is activated to 
prevent the system from malfunctioning, a 5-
character service number (e.g., C 13 50) with a 
combination of a letter and 4 digits appears on 
the TV screen or front panel display. In this case, 
check the following table.
When displaying the version 
number on the TV screen
When you turn on the system, the version 
number [VER.X.XX] (X is a number) may 
appear on the TV screen. Although this is not a 
malfunction and for Sony service use only, 
normal system operation will not be possible. 
Turn off the system, and then turn on the system 
again to operate.
Self-diagnosis Function 
(When letters/numbers appear in the 
display)
First 3 
characters of 
the service 
number
Cause and/or corrective action
C 13
• The disc is dirty.
, Clean the disc with a soft cloth 
• The disc is a format that the 
system cannot play.
C 31
The disc is not inserted correctly.
, Restart the system, then 
re-insert the disc correctly.
E XX
(xx is a number)
To prevent a malfunction, the 
system has performed the self-
diagnosis function.
, Contact your nearest Sony 
dealer or local authorized Sony 
service facility and give the 
5-character service number.
Example: E 61 10
C:13:50
VER.X.XX