Sharp XV-C1E Service Manual page 16

Adjustment Item
(gamma
correction on)
(gamma
correction on)
(gamma
correction on)
B-bias (DAC)
(gamma
correction on)
Adjustment Conditions
1. Receive the NTSC IO-step pattern
signal.
2. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group: VIDEO 2
Subject: R-DRIVE
3. Connect the oscilloscope to pin (3) of
1. Receive the NTSC IO-step pattern
signal.
2. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group: VIDEO 2
Subject: B-DRIVE
3. Connect the oscilloscope to pin (1) of
1. Receive the NTSC IO-step pattern
signal.
2. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group: VIDEO 2
Subject: R-BIAS
3. Connect the oscilloscope to pin (1) of
signal.
2. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group: VIDEO 2
Subject: B-BIAS
16
Adjustment Procedure
A
Using the and v keys, adjust the
l
difference between the first-step
level and the white level to
Using the A and v keys, adjust the
l
difference between the first-step
level and the white level to 2.4OaO.05
A
Using the and v keys, adjust the
l
difference between the white levels
to 3.25kO.05 Vp-p.
A
Using the and v keys, adjust the
l
difference between the white levels
to 3.25kO.05 Vp-p.
,