KDL-39R475A, KDL-42R474A, KDL-42R475A, KDL-46R475A - Sony TV Service Manual (repair manual). Page 3

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KDL-39R475A/42R474A/42R475A/46R475A ii
CAUTION!!
These servicing instructions are for use by qualified service personnel only. 
To reduce the risk of electric shock, do not perform any servicing other than 
that contained in the operating instructions unless you are qualified to do so.
WARNING!!
An isolation transformer should be used during any service to avoid possible 
shock hazard, in case of live chassis. 
!
 
SAFETY-RELATED COMPONENT WARNING!!
There are critical components used in LCD color TVs that are important for 
safety. These components are identified with shading and 
!
 
mark on the 
schematic diagrams and the parts list. It is essential that these critical parts 
be replaced only with the part number specified in the parts list to prevent 
electric shock, fire or other hazard.
NOTE: Do not modify the original design without obtaining written permission 
from the manufacturer or you will void the original parts and labor warranty.
ATTENTION!!
For  safety  reasons,  component  level  repair  of  the  Power  Supply  Boards 
and/or the Inverter Boards is prohibited. 
CAUTIONS AND WARNINGS
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