Acer AF705, Руководство по обслуживанию

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1. DISPLAY ALIGNMENT
A. TIMING & DISPLAY SIZE
For all presetting mode shall be within the limitation:
H. WIDTH 310
±
5mm
V. HEIGHT 232
±
3 mm
The external control range of the data area, shall be as follows;
Max. horizontal size : full the screen
Max. vertical size : full the screen
B. PICTURE POSITION
For all presetting mode shall be within the limitation:
H.PHASE SCREEN CENTE
±
4 mm
V.CENTER SCREEN CENTE
±
3 mm
C. LINEARITY
The linearity of an image displayed on the CRT must meet the following requirements, with reference to figure
4.05 for both X and Y and axis.
The measured value of linearity shall be less than 6%(p) or 8%(s) when calculated using all lattices and shall be
less than 5%(p) or 6%(s) when calculated using adjcent lattices.
Xmax-Xmin OR Ymax-Ymin
Xmax+Xmin Ymax+Ymin
Where: Xmax,Xmin,be Calculated Same Line
Ymax,Ymin,be Calculated Same Row
D. ALIGNMENT PROCEDURE
●
Warm up the monitor for at least 30 minutes before adjustment.
●
Set the front of CRT to the east.
●
Turn all VR set to center position.
D-1. H.V
1.
Use front control key adjust the display size about 300mm, adjust VR801 Let the Plus of C824 is
28.14V in Timing 68kmode FULL WHITE PATTERN, it can be got a stable H.V.