T' CON [TFT-DRIVE] (LCD CONTROLLER BOARD]
- The T-Con IC UC2 receives from the Main Board at CN1 and CN2 Quadruple 12 Bit LVDS Signals which it processes into TFT Drive Signals which through connectors CN4 and CN5 controls the LCD Panel. IC’s U12 and U13 are “Dynamic Ram IC’s which are High Speed Storage Devices used to store the data until it is time to be addressed. 12V is supplied to the T-Con Board on connector CN1 from the Main Board ( easily measured at fuse F1).
- NEW: This T-CON also drives the backlight LEDs in accordance to the necessary Light Source intensity according to the video content Contrast Ratio demands, (Local Dimming). Control signals to the Inverters are sent out CN8 and CN9.
EXT_VBRB
is the same as EXT_VBRA Same as PWM-DIM
# PWM-DIM
(PDIM) Pin 4 will vary according to OSD Backlight setting. 0.3V 0% to 3.4V 100%.
T'CON, EXPOSED
T'CON, FUSES, CHECKS
T'CON PWB REGULATOR & MAIN FUSE CHECK
T-CON PWB DC to DC CONVERTER CHECK
T-CON DC TO DC CONVERTER [U7] CHECKS
T-CON [CN-4 & CN-5] VOLTAGES
T-CON CONNECTOR [CN-8 / CN-9] VOLTAGE & REISTANCE
- EXT_VBRBcan vary according to type of signal being processed, OSD Backlight setting.0.3V 0% to 3.4V 100% and the Intelligent Sensor. Output controlled from the BCM chip.
- Diode Mode values taken with all Connectors Removed.
