Hitachi CM615ET, Руководство по обслуживанию

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4
H. Convergence Adjustment
Input R+B and R+G signals, make sure convergence within specified (if not 4 pole and 6 pole). A zone =
0.3MM., B zone 0.4MM. (X) < 0.4MM, (Y) < 0.4MM.
NOTE : 1 A area = 230mm (circle)
2 B area = 306 x 230 mm
I. Presetting Modes Adjustment
There are totally 12 preset modes, individual adjust is needed.
H-SIZE adjust : adjust control key to get H-SIZE = 306
±
2mm.
H-CENTER adjust : adjust control key to get center within
±
2mm
V-SIZE adjust : adjust control key to get V-SIZE = 230
±
2mm
V-CENTER adjust : adjust control key to get center within
±
2mm
Geometric adjust : adjust control key to get minimize distortion.
H-linearity check : check and make sure linearity meet spec..
(CROSS HATCH PATTERN 10X8)
2(MAX - MIN)
X100%
MAX + MIN
Any : <10%
Adjacent : <5%
V-linearity check : check and make sure linearity meet spec.
2(MAX - MIN)
X100%
MAX + MIN
Any : <10%
Adjacent : <6%
Geometric check : check and make sure geometric meet spec.
Get into OSD select EE-USER item, press ENTER till OSD disappear then turn off power, disconnect JP1,
turn on power again, make sure all of the alignment parameters has been stored properly, make H-SIZE
adjust range can OVER SCAN and -5%, PHASE adjust range >15mm, V-SIZE adjust range can OVER
SCAN and -6%, V-CENTER adjust range >20mm and make sure TILT adjust work properly.