Read Sharp XV-Z10E (serv.man12) Service Manual online
No.
Adjusting point
Adjusting conditions
Adjusting procedure
26
XV-Z10E
5
Video Bright-
ness/Contrast
adjustment
ness/Contrast
adjustment
1. Feed an NTSC composite
video 10-step signal (no
setup) with 100% ampli-
tude.
setup) with 100% ampli-
tude.
2. Select the following group
and subjects.
Group : VIDEO
Subject : Bright
Group : VIDEO
Subject : Bright
Contrast
(Process GAMMA interlock)
1. Check the setting value.
Contrast (White Level): 43
Bright (Black Level):
Bright (Black Level):
142
6
R/G/B Black
Level Signal
Amplitude
adjustment
Level Signal
Amplitude
adjustment
1. Select the following group
and subjects.
Group : OUTPUT1
Subject : G1-BLK
Group : OUTPUT1
Subject : G1-BLK
G1-GAIN
R1-GAIN
B1-GAIN
R1-GAIN
B1-GAIN
2. Make sure the process ad-
justment color bags appear
onscreen.
onscreen.
3. Connect a oscilloscope to
P1302 for the G setting.
4. G : pin(2)
R : pin(1)
B : pin(3)
B : pin(3)
1. Select G1/R1/B1-GAIN. Using the remote controller's
button, adjust the R, G, B signal amplitude to 4.25
Vp-p ± 0.05 V.
Vp-p ± 0.05 V.
2. Now select G1-BLK. Using the remote controller's
button, adjust the G signal white-to-white level to
1.30 Vp-p ± 0.05 V.
1.30 Vp-p ± 0.05 V.
3. Do the same for the R and B settings.
White-to-White
FRP signal
(auxiliary signal to lessen vertical stripes)
(auxiliary signal to lessen vertical stripes)
Amplitude
White
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