Sony BRAVIA XBR-49X900E, Service Manual

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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, because of live chassis.
The chassis of this receiver is directly connected to the ac power line.
CARRYING THE TV
Be sure to follow these guidelines to protect your property and avoid causing serious injury.
• Carry the TV with an adequate number of people; larger size TVs require two or more people.
• Correct hand placement while carrying the TV is very important for safety and to avoid damages.
SAFETY-RELATED COMPONENT WARNING!!
Components identified by shading and ! mark on the schematic diagrams, exploded views, and in the parts list are critical for safe operation. Replace these components with Sony
parts whose part numbers appear as shown in this manual or in supplements published by Sony. Circuit adjustments that are critical for safe operation are identified in this manual.
Follow these procedures whenever critical components are replaced or improper operation is suspected.
CAUTION ABOUT THE LITHIUM BATTERY
• Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.
• Outer case broken battery should not contact to water.
IMPORTANT REMINDER FOR TV MAINBOARD REPLACEMENT
It is mandatory for service centers to confirm the TV's system information after each repair carried out with Mainboard replacement.
Whenever a TV Mainboard is replaced, the correct TV Model and Serial number must be reinserted into memory.
This is a MANDATORY procedure that each service center must apply.
Please refer to the chapter of ADJUSTMENT in this service manual to find out how to set the model number and serial number in service mode.
WARNINGS AND CAUTIONS
- ENGLISH