Nikon NR-5500 수리 매뉴얼 - 페이지 16
{카테고리_이름} Nikon NR-5500에 대한 수리 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Nikon NR-5500 25 페이지. Auto refractometer
페이지 인쇄
TEST PROGRAM
©TEST-OD : Alignment offset adjustment
Press this
key to quit
TEST-OD.
• Adjusting the alignment signal offsets (with no room lamp)
"T": Offset of the TOT signal caused by the amplifier system
Adjust VR6 TOT to set " R ± 10".
"X": Offset of the XAL signal caused by the amplifier system
Adjust VR5 XAL to set " R ±10 ".
" Y": Offset of the YAL signal caused by the amplifier system
Adjust VR4 YAL to set " R ±10 ".
"R": Reference voltage level for the alignment signal (2.5V)
Make sure that the reference voltage is
between 120 and 135 (not adjustable).
• Adjusting the peak value of CHA - FIL and CHB - FIL.
"A": Peak value of the CHA - FIL signal when the C LED is on.
Make sure that the peak value is between 150 and 200.
"B": Peak value of the CHB - FIL signal when the C LED is on.
Make sure that the peak value is between 150 and 200.
* To adjust "A" and "B" use VR7 CAL to measure the peak values for both
channels so that they fall within the permitted value range (same as in
TEST-06).
• 0V display
"0": Make sure that "000" is displayed.
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Repair Manual