8-1
8-1-1. How to adjust LCD COLOR
1) Connect CON 803, power apply, and then check DC power(DC 9.8V).
(LCD panel is closed).
* Note that the adjustment cannot be made when the LCD panel open/close switch is turned on
2) VCO adjusting; Sync. Checking
* Check the pulse width is 63.5
µ
sec.
* VR801 adjust 5.00Vp-p
±
0.005v while viewing TP(VCOM)’s waveform.
4) Check the Waveform
Input RAMP signal. COLOR control slide: MIN (–)
view TP (G) waveform.
GND
(4.60V
±
0.10v)
5.00Vp-p
±
0.005v
(0.40V
±
0.10v)
4 to 4.5V
0.5V
White
White
Black
Black
63.5uS
8-1. LCD ADJUSTMENT
3.2 to 3.5V
* Input COLOR BAR signal. (Sony NTSC DVD Test Disc 505, “1. Video Signal/1. Color Bar 100%”)
White, Cyan, Magenta, Blue Signal conformity.
3) VCOM(VR809); Flicker adjusting (+4.6V
±
0.1v//–0.4V
±
0.1v)
GND
(4.5V)
0.6V
Magenta
Blue
Cyan
White
SECTION 8
ELECTRICAL ADJUSTMENT
DVP-FX700
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