11
Item
Adjustment method/Adjustment value
Conditions
3-13. B Sub-contrast
1. Select CH : 15 by using the remote controller.
• Input : Video in
adjustment
2. Observe the waveform of TP26 on an oscilloscope.
• Input signal : Composite
CH : 15
3. Adjust the amplitude value so that the waveform between the 9th
SYNC (10 STEP signal)
step from the pedestal and the reversal one is 1.7V
±
0.1V by using
[NTSC]
the remote controller.
4. Fix the adjustment value by using the remote controller.
• AC range
• Oscilloscope 0.5V/DIV
3-14. VCOM amplitude
1. Select CH : 1 by using the remote controller.
• Input : Video in
adjustment
2. Observe the waveform of TP132 on an oscilloscope.
• Input signal : Composite
CH : 1
3. Adjust the amplitude value so that VCOM square-wave is 6.9V
±
SYNC (10 STEP signal)
0.1V by using the remote controller.
[NTSC]
4. Fix the adjustment value by using the remote controller.
• AC range
• Oscilloscope 1.0V/DIV
3-15. Exit from Video level
1. Exit from Video level adjustment mode by pressing DIRECT key of
adjustment mode
the remote controller. At this time, all adjustment data by using
Video level adjustment mode are written to EEPROM.
4. Flicker adjustment
1. Input the Composite Gray RASTA [NTSC] signal.
• Must be in test mode.
VR302
• Input signal : Composite
input Gray RASTA
[NTSC](Easy to read
level of white 30~50%)
2. Adjust VR302 so that the flicker level will be the minimum.
0.7V
1.7V
SYNC
SYNC
6.9V
ADJUSTMENT
Attention
When Touch Panel Adjustment and Video level adjustment are
done, please use the Remote sensor jig.
Process
(1) Remove the Unit's connector (2 Pin Type).
(2) Connect the BU and GND lines of the Remote sensor jig to the
Power Supply unit.
(3) Insert the jig's connector toward the tip of the arrow.
GND line(BLK)
BU line(YEL)
Remote sensor jig
0.7V
SVT-M700