Service manual

21
Standard Check point
1. Power source : 100 - 240Vac, 50/60Hz.
2. Aging : Take at least 20 minutes warm-up time.
3. Signal
Video input : Analog 0.7Vpp 75Ω terminal positive polarity
Synchronizing : acceptable negative or positive at TTL level
Max. Resolution : 1280 x 1024 75Hz
Frequency
Horizontal : 30KHz - 80KHz
Vertical : 56Hz - 77Hz (available only non interlace mode)
Adjustment
1. Sharpness set to 53%
2. Contrast set to 92%
3. Brightness set to 50%
4. Switching to factory alignment mode
Press power key with Brightness left key at the power off status.
5. Video level adjustment
Receive stair pattern of 16 step (doesn’t care any mode).
Readjust coarse R, G, B in AD9884A menu before saturaton point.
(SG9884A : L700CAV)
6. Set up the tracking
See the user’s manual at page 8th.
7. Switching to user’s mode
If turn-off and turn-on then switched to user’s mode.
*
All of adjusted data stores by fade out of OSD.
ALIGNMENT PROCEDURE
a
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