9
XVM-B62
5-3. SETUP FOR ADJUSTMENT
The 10-step gray scale signal from the NTSC pattern generator is
used as an adjustment signal for V COM voltage/position adjustment
as well as VIDEO adjustment.
10-step gray scale signal, 1Vp-p, 75
Ω
The all white 50%, all white 30% signal from the NTSC pattern
generator is used as an adjustment signal for flicker and white
balance adjustment.
All white 50% and All white 30% signal, 75
Ω
SECTION 5
ELECTRICAL ADJUSTMENTS
5-1. EQUIPMENT USED
The following measuring equipment are used for these electrical
adjustments:
• Oscilloscope
• NTSC pattern generator
• Stabilized power supply
• Digital voltmeter
• Frequency counter
• LCD flicker checker
• LCD color analyzer
5-2. CONNECTION OF EQUIPMENT
Unless otherwise specified, the equipment should be connected as
shown below.
VIDEO OUT
(75
Ω
)
NTSC pattern
generator
main board
TP410(+)
TP411(–)
TP413
TP415
TP414
XVM-B62
stabilized
power supply
14.4 V
+
–
H
1Vp-p
0.286Vp-p
0.643
Vp-p
All white 50%
All white 30%
0.5
Vp-p
0.286Vp-p
H
