Sharp XV-C100U Service Manual page 23

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No.
Adjustment Item
17
SECAM color
(DAC) (gamma
correction on)
18
Component
color (DAC)
19
Counter-bias
(R1402)
20
White balance
(DAC)
Adjustment Conditions
1. Receive the SECAM half-color bar
signal.
2. Connect the dual-beam oscilloscope
between pin (3) of P1401 and GND.
3. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group:
VIDEO 2
Subject: S-COLOR
1. Feed the NTSC half-color bar signal to
the component terminal.
2. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group:
VIDEO 4
Subject: C-COLOR
1. Receive the NTSC monoscope pattern
signal.
1. Receive the NTSC monoscope pattern
signal.
2. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group:
VIDEO 2
Subject: R-BIAS, B-BIAS
23
Adjustment Procedure
• Using the ' and " keys, adjust the
difference between the 100% white
level and the red level to 0.10±0.05
Vp-p.
100% white
Primary red
• Make sure that the setting is 12.
• Turn R1402 until the best contrast
is achieved.
• Using the ' and " keys, visually
adjust the white balance to best
position.
XV-C100U

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