Sharp XV-Z1U Service Manual page 28

xv-z1 u
I
Step
Adjustment Position
Adjustment Conditions Adjustment Method
23 SECAM
1. Receive the color bar sig- l
Using the Operation key switch A v, adjust level be-
COLOR
nal of SECAM.
tween red and 100% white level.
(DAC)
2. Connect the oscilloscope to
pin (1) of P4303.
0.2 *o.o5vp-p
3. Push S2001 and set the fol-
low DAC mode.
100% White Red
Group : VIDEO
2
,A $4
____________.
__ __
Subject : S-COLOR
-
@f
24
COLOR of
component
@AC)
1. Receive the color bar sig- l
Using the Operation key switc A v, adjust level be-
nal of NTSC.
tween red and 100% white level.
2. Connect the oscilloscope to
pin (1) of P4303.
0 *o.o5vp-p
3. Push S2001 and set the fol-
low DAC mode.
100% White Red
A& --_ $4 -____.
Group : VIDEO 5
- ._____
Subject : C-COLOR
t
25
Common DC
bias
(DAC)
(VCOMCTR)
(RC)
(GC)
(BC)
1. Receive the monoscope l
Using the Operation key switch A v, adjust visually
signal of NTSC or PAL.
to the sharpest contrast.
2. Push S2001 and set the fol-
low DAC mode.
Group
: VIDEO 3
Subject : VCOMCTR 43
set before adjustment.
3. Subject : RC
= . GC
. . BC
26
White balance
(DAC)
1. Receive the monoscope l
Using the Operation key switch A v, adjust visually
signal of NTSC or PAL.
to the white.
2. Push S2001 and set the fol-
low DAC mode.
Froup : VIDEO 2
Subject : R-BIAS
B-BIAS
28