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LZ-800W
ADJUSTMENT
X35 Gamma Timing Controller Circuit Adjustment Specification
Item 5. Gamma curve adjustment Power Supply Voltage: 14.4V Adjustment method/Adjustment value Conditions (6) Adjust GAMMA2 VR305 so the 7th step from the pedestal is 3.1V±0.1V. � Input signal Composite input (10 step signal) � Set to AC range � Oscilloscope 0.5V/DIV 4.0V 3.1V
(7) Adjust BLACK adjustment VR300 so the 3rd step from the pedestal is maximized.
4.0V MAX (8) Adjust CONTRAST adjustment VR304 so the 11th step from the pedestal is 3.7V±0.1V.
� Input signal Composite input (10 step signal) � Set to AC range � Oscilloscope 0.5V/DIV
4.0V
� Input signal Composite input (10 step signal) � Set to AC range � Oscilloscope 0.5V/DIV
3.7V
6. VCOM amplitude adjustment (COM-AC)
� Adjust COMAC VR303 so that the VCOM amplitude is as shown in the diagram below. 8.5V±0.1V 8.5V
� Input signal Composite input (10 step signal) � Set to AC range � 2V/DIV
7. VCOM center adjustment (COM-DC)
� Adjust COMDC VR302 so that the VCOM waveform is as shown in the diagram below. 1.5V±0.5V 1.5V GND
� Input signal Composite input (10 step signal) � Set to DC range
�The flicker adjustment is done with the main unit procedure.
