Sharp LC-37HV6U Service Manual page 28

LC-37HV6U
(4) Component 15 kHz signal adjustment
Item
1 Signal setting
2 COMP 15K GAIN
3 COMP 15K CB GAIN
4 COMP 15K CR GAIN
(5) Component HDTV signal adjustment
Item
1 Signal setting
2 COMP HDTV
CONTRAST Adjustment Location: Pin (9) of P801
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
28
Adjusting procedure
Provide the 100% color bar source of component 15k
to the component input pin of video input 1.
Adjust "COMP 15K GAIN" so that
0.70 ± 0.01 Vp-p is achieved at pin (1) of P801.
0.7Vp-p
Adjust "COMP 15K CB 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 CONTRAST" so that the
difference between the black and while peaks is 0.95
± 0.02 Vp-p at pin (9) of P801.