Sharp LC-121M2E Service Manual page 15

5-6-3. Component input Adjustment
1. From SG, input the 100% white colour
bar signal of NTSC into conponent
Brightness adjustment
(NTSC)
terminal.
2. Connect oscilloscope to TP821
(IC803, pin7, G output).
. From SG, input the 100% white colour
bar signal of NTSC into conponent
terminal.
2. Connect oscilloscope to TP820
(IC803, ping).
Unicolor adjustment
(NTSC)
Colour level adjustment . From SG, input the 100% white colour
bar signal of NTSC into conponent
terminal.
(B output).
. From SG, input the 100% white colour
bar signal of NTSC into conponent
terminal.
Tint adjustment
(NTSC)
(B output).
15
— Adjustment Adjusting conditions Adjusting method
2. Connect the oscilloscope to TP820
2. Connect the oscilloscope to TP820
LC-121M2E
LC-150M2E
Adjust DVD NT BRIGHTNESS, and
adjust the black level of G output so
as to get DC 1.5+0.05V.
Adjust DVD NT UNICOLOR, and
adjust so as to get 100% white-
black level video component equal
to 2.340.05Vp-p.
Adjust DVD NT COLOR so as to get
the colour bar signal blue amplitude
(black level - peak level) equal to
2.8V+0.05Vp-p.
Adjust DVD NT TINT so as to get the
colour bar signal magenta amplitude
(black level - peak level) equal to 2.3V
+0.05Vp-p.