Sharp LC-30HV4U Service Manual page 27

(4) Component 15 kHz signal adjustment
Item
1 Signal setting
N358 TINT
2 MAIN COMPONENT
15 kHz Y CONTRAST
Adjustment
3 MAIN COMPONENT
15 kHz COLOR GAIN
Adjustment
4 MAIN COMPONENT
15 kHz Cr GAIN
Adjustment
(5) Component HDTV signal adjustment
Item
1 Signal setting
2 MAIN COMPONENT
HDTV CONTRAST
Adjustment
Adjusting conditions/points
Signal:
Component 15k
100% color bar
Signal pin:
INPUT1 COMPONENT
Page: 5
Location: Pin (1) of P801
Page: 5
Location: Pin (3) of P801
Page: 5
Location: Pin (5) of P801
Adjusting conditions/points
Signal:
Component HDTV
100% color bar
Signal pin:
INPUT1 COMPONENT
Page: 6
Location: Pin (9) of P801
27
Adjusting procedure
Provide the 100% color bar source of component 15k
to the component input pin of video input 1.
Adjust "COMP 15K Y CONTRAST" so that
0.70 ± 0.01 Vp-p is achieved at pin (1) of P801.
0.7Vp-p
Adjust "COMP 15K COLOR GAIN" so that the width
shown below is 0.70 ± 0.01 Vp-p at pin (3) of P801.
0.70Vp-p
Adjust "COMP 15K CR GAIN" so that the width
shown below is 0.70 ± 0.01 Vp-p at pin (5) of P801.
0.7Vp-p
Adjusting procedure
Provide the component HDTV source of the 100%
color bar to the component pin of video input 1.
Adjust "COMP HDTV" so that the difference between
the black and while peaks is 0.95 ± 0.02 Vp-p at pin
(9) of P801.
LC-30HV4U
LC-30HV4D