KDL-40EX620, KDL-40EX621, KDL-46EX620, KDL-46EX621, KDL-55EX620, KDL-55EX621 - Sony TV Service Manual (repair manual). Page 4

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KDL-40EX620/40EX621/46EX620/46EX621/55EX620/55EX621 i
TABLE OF CONTENTS
Section 1 - Safety and Features.................................................1
Warnings and Cautions - English ...............................................1
Handling the LVDS FFC Connector ...........................................3
Disconnecting the LVDS FFC Connector .................................... 3
Connecting the LVDS FFC Connector ........................................ 4
Warnings and Cautions - French ................................................5
Safety-Related Warnings ...........................................................7
Safety Check-Out .......................................................................9
Self Diagnosis Function ...........................................................12
Overview ..................................................................................13
Features ...................................................................................13
Navigation Made Easy .............................................................. 13
LightSensor™ Technology ........................................................ 13
X-Reality™ Engine .................................................................... 13
Presence Sensor ....................................................................... 13
USB Photos, Videos & Music .................................................... 13
Edge LED Backlighting .............................................................. 14
Internet Streaming & Connectivity ............................................. 14
Faster Start-Up .......................................................................... 14
BRAVIA® Sync™ Compatible ................................................... 14
Specifications ...........................................................................14
Section 2 - Software Requirements.........................................17
Overview ..................................................................................17
Software Updates for Customers .............................................17
Software Updates for Servicers ...............................................18
Software Update Responsibility ................................................ 19
Checking the Software Version ................................................. 19
Examples of Software Correctable Symptoms .......................... 19
Section 3 - Chassis Overview ..................................................20
Overview ..................................................................................20
Overall Circuit Description ........................................................22
Main Board ...............................................................................22
Tuner ......................................................................................... 22
X-Reality Processor ................................................................... 22
Audio Amplifier .......................................................................... 22
Temperature Sensor .................................................................. 22
Power Supply ...........................................................................23
Power Supply for Backlight System .........................................23
Switch Unit ...............................................................................23
Motion Sensor Board ...............................................................23
IR Board ...................................................................................23
LCD Panel Assembly ...............................................................24
TCON Board .............................................................................. 24
LD Board (LED Driver Board) ..................................................24
Diagrams ..................................................................................25
Block Diagram ........................................................................... 25
Connector Diagrams ................................................................. 27
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