Sharp XV-Z1U Service Manual page 23

1
xv-ZlU
Step
Adjustment Position
Adjustment Conditions Adjustment Method
6 Reference black
1. Receive the 10 step gray l
Using the Operation key switch A v, adjust the black
Level
scale signal. (NTSC or PAL) level as same as pedestal level.
2. Connect the oscilloscope to
pin (3) of P1501.
3. Group : VIDEO 5
Subject : T-BRT
Ped;?: .:,'
7
Contrast
WC)
1. Receive the 10 step gray
l
Using the Operation key switch A v, adjust level be-
scale signal of NTSC. tween black level and 100% white level.
2. Connect the oscilloscope to
pin (3) of P1501. 1.60 kO.OWp-p
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 1
Subject : SUB-R 0
SUB-G 0
SUB-B 0
setting.
4. Group : VIDEO 1
Subject : CONT
8
Contrast of
component
mode
WC)
1. Receive the 10 step gray
l
Using the Operation key switch A v, adjust level be-
scale signal of NTSC. tween black level and 100% white level.
2. Connect the oscilloscope to
pin (3) of P1501. 1.55 -r-o.o5vp-p
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 5
Subject : C-CONT
9
Bright of
component
mode
WC)
1. Receive the 10 step gray l
Using the Operation key swsitch A v, adjust the black
scale signal of NTSC. level as same as clamp level.
2. Connect the oscilloscope to
pin (3) of P1501.
3. Push S2001 and set the fol-
low DAC mode.
I
Group
: VIDEO 5
Subject : C-BRIGHT