Read Sony KDL-40EX645 / KDL-46EX641 / KDL-46EX645 / KDL-50EX645 / KDL-55EX645 Service Manual online
KDL-40EX645/46EX641/46EX645/50EX645/55EX645 6
SECTION 1 - FEATURES AND OVERVIEW
WIRELESS LAN CARD
The wireless transmit/receive circuits are located on this board to
communicate with a wireless network.
LCD PANEL ASSEMBLY
The LCD Panel Assembly includes the LCD Panel, TCON Board and LED
Backlight system.
The LCD Panel contains the actual liquid crystals, color filters and polarizers.
The LCD Panel contains the actual liquid crystals, color filters and polarizers.
The liquid crystals are manipulated by the applied voltage to pass a specific
amount of light - from the backlight - depending on the level of voltage
applied.
The TCON performs all the control, timing, charge and discharge functions
The TCON performs all the control, timing, charge and discharge functions
driving the operation of the LCD Panel.
A new LCD Panel assembly from parts will include the following items:
A new LCD Panel assembly from parts will include the following items:
●
LCD Panel
●
TCON Board
●
LED Backlighting Components (varies)
●
LD Board (KDL-50EX645 only)
NOTE: The LD Board is not always included with the LCD Panel. Check
with the LCD Panel manual for the most update information regarding this
information.
TCON BOARD
The TCON Board communicates between the LCD Panel and the
microprocessor on the Main Board.
NOTE: The TCON Board is not available as a replacement part for all
NOTE: The TCON Board is not available as a replacement part for all
models. To determine if the TCON Board is available as a replacement
part, refer to the LCD Panels Manual.
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