Samsung VP-D55 Service Manual page 37

2. AUTO HALL
1) Camera mode & 3100˚ K gray scale chart
2) Connect a video output terminal to a TV.
3) Press the FF(Mode Up)/REW(Mode Down)
button so that OSD shows "175 XX XX".
4) Press the Display button so that OSD shows
"175 MF XX XX".
5) Press the START/STOP (Confirm) button.
6) Then micom finds out max. Hall value with an
iris opened and min. Hall value with an iris
closed. Store max. and min. value of Hall in 140
and 14E respectively.
7) There's is a flicker on screen after finishing the
adjustment.
3. AE TARGET LEVEL
1) Camera mode & 3100˚ K gray scale chart
2) Connect a video output terminal to a wave
form monitor and a TV.
3) Press the FF(Mode Up)/REW(Mode Down)
button so that OSD shows "177 XX XX".
4) Press the DATA SCREEN button so that OSD
shows "177 MF XX XX".
5) Press the Display (PRE-CONFIRM) button.
6) Press the PLAY (Data Up)/STOP (Data Down)
so that the signal level is 90IRE.
7) Press the START/STOP (Confirm) button.
8) There's is a flicker on screen after finishing the
adjustment.
H
Center of
white level
90IRE
Optical
black level
40US
Samsung Electronics
4. AUTO GAIN CONTROL
1) Camera mode & 3100˚ K gray scale chart
2) Connect a video output terminal to a wave
form monitor and a TV.
3) Press the FF(Mode Up)/REW(Mode Down)
button so that OSD shows "178 XX XX".
4) Press the DATA SCREEN button so that OSD
shows "178 MF XX XX".
5) Press the START/STOP (Confirm)button. Then
micom finds out the beginning value of AGC
and stores the value in 155.
6) There's is a flicker on screen after finishing the
adjustment.
5. AUTO IRIS LEVEL
1) Camera mode & 3100˚ K gray scale chart
2) Connect a video output terminal to a wave
form monitor and a TV.
3) Press the FF(Mode Up)/REW(Mode Down)
button so that OSD shows "179 XX XX".
4) Press the DATA SCREEN button so that OSD
shows "179 MF XX XX".
5) Press the START/STOP (Confirm) button.
6) Then micom finds out max. Hall value with an
iris opened and min. Hall value with an iris
closed. Store max. and min. value of Hall in 151
and 152 respectively.
7) There's is a flicker on screen after finishing the
adjustment.
H
Center of
white level
90IRE
Optical
black level
40US
Alignment and Adjustment
3-23