Sharp XG-V10WU Service Manual page 33

No. Adjusting point
17 Video input 1. Feed the NTSC 10-step
panel signal
amplitude 2. Select the following group
adjustment
3. Connect the oscilloscope to
4. Similarly connect the oscil-
18 Video white 1. Feed the NTSC
balance adjust-
ment 2. Select the following group
19 DVD contrast 1. Feed the 100% color bar
adjustment
2. Select the following group
20 DVD tint adjust- 1. Feed the 100% color bar
ment
2. Select the following group
3. Connect the oscilloscope to
Adjusting conditions
signal.
and subjects.
Group : VIDEO2
Subject : R1-GAIN
B1-GAIN
pin (1) (for R) of P1001 and
pin (3) (for G) of P1001.
loscope to the following for
the B color.
Pin (5) of P1001 for B
Pin (3) of P1001 for G
monoscope pattern signal.
and subjects.
Group : VIDEO2
Subject : R1-BLK
B1-BLK
signal of the 480I compo-
nent signal to the G (Y) in-
put terminal on the BNC
socket.
and subject.
Group : DVD
Subject : CONTRAST
signal of the 480I compo-
nent signal to the Y, Pb and
Pr input terminals on the
BNC socket. For the Y sig-
nal, feed the sync signal
only.
and subject.
Group : DVD
Subject : TINT
pin (2) of P801.
33
Adjusting procedure
» Select R1-GAIN. Adjust the setting so that the R
signal amplitude and the G signal amplitude be
the same.
» Do the same for the B color.
» Using the set's control switch or the remote
controller's button, adjust the setting so that the
white balance be the same as on the monitor
screen.
» Using the set's control switch or the remote
controller's button, adjust the setting so that the
100% white signal has some bit dropouts.
» Using the set's control switch or the remote
controller's button, adjust the setting so that the
(B–Y) waveform runs straight uphill.
XG-V10WU
AN-SD1U/S422U