Samsung VP-A50, Service Manual

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Alignment and Adjustment
5-8 Samsung Electronics
6. Auto white balance
1) Camera ÒE-EÓ, 3100¡K/5100¡K gray-scale chart.
2) Video(output) jack and EVR.
3) Press the ÒF.F (MODE UP)/REW (MODE
DOWN)Ó button so that the OSD state is
ÒADDR:98 DT1:XX DT2:XXÓ.
4) Connect vectorscope input jack to video output
jack.
a. W/B Indoor
a-1. Aim the camera at a 3100¡K gray-scale chart
illuminated at 1500 to 2000 lux. (40us)
a-2. Press ÒSTOP (CONFIRM)Ó button so that the
white vector moves to the center on screen of
the vectorscope.
b. W/B Outdoor
b-1. Aim the camera at a 5100¡K(or 3100¡K and
C16 filter) gray-scale chart illuminated at 1500 to
2000 lux. (40us)
b-2. Press ÒSTOP (CONFIRM)Ó button.
7) ÒDT1:00Ó changes to ÒDT1:XXÓ.
MATCH THE WHITE LUMINANCE
POINT WITH THE
BLACK LUMINANCE
POINT
5. Auto AGC control
1) Camera ÒE-EÓ, 3100¡K gray-scale chart.
2) Video(output) jack and EVR.
3) Connect monitor TV to video output jack.
4) Press the ÒF.F (MODE UP)/REW (MODE
DOWN)Ó button so that the OSD state is
ÒADDR:9F DT1:XX DT2:XXÓ.
5) Aim the camera at a gray-scale chart (evenly
illuminated at 1500 to 2000 lux - At least 40us).
6) Press ÒSTOP (CONFIRM)Ó button.
7) The microprocessor is enabled :
- Find AGC minimum point data and store to
mode BC.
- Find AGC start point data, and store to mode BE.
7) ÒDT1:00Ó changes to ÒDT1:XXÓ.
3. Auto hall
1) Camera ÒE-EÓ, no signal input.
2) Video(output) jack and EVR.
3) Connect monitor TV to video output jack.
4) Press the ÒF.F (MODE UP)/REW (MODE
DOWN)Ó button so that the OSD state is
ÒADDR:B5 DT1:XX DT2:XXÓ.
5) Press ÒSTOP (CONFIRM)Ó button.
6) The microprocessor is enabled :
a. IRIS closed, FINDS HALL minimum value,
b. IRIS open, FINDS HALL maximum value,
c. Store data to mode Ò03Ó(HALL REF) by using
the a, b.
d. Store data to mode Ò04Ó (HALL GAIN).
e. After IRIS is closed, confirm the FINDS HALL
minimum value.
7) ÒDT1:00Ó changes to ÒDT1:24Ó.
4. IRIS Adjustment
1) Camera ÒE-EÓ, 3100¡K gray-scale chart.
2) Video(output) jack and EVR.
3) Connect video output jack to waveform monitor
input jack and monitor TV jack respectively.
4) Press the ÒF.F (MODE UP)/REW (MODE
DOWN)Ó button so that the OSD state is
ÒADDR:B2 DT1:XX DT2:XXÓ.
5) Aim the camera at a gray-scale chart (evenly
illuminated at 1500 to 2000 lux - At 40us).
6) Press the ÒSTOP (CONFIRM)Ó button,
The microprocesor is enabled :
- IRIS open, finds the value of the IRIS maximun
control : when the value of the hall is maximum.
- IRIS close, finds the value of the IRIS minimum
control : when the value of the hall is minimum.
7) ÒDT1:00Ó changes to ÒDT1:24Ó.