Read Sony KDL-40EX640 / KDL-46EX640 / KDL-55EX640 Service Manual online
KDL-40EX640/46EX640/55EX640 6
SECTION 1 - FEATURES AND OVERVIEW
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
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 backlit - 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)
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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