Sharp LC-121M2E Service Manual page 16

LC-121M2E
LC-150M2E
Brightness adjustment
Tint adjustment
(PAL)
1. From SG, input the 100% white colour
bar signal of PAL into conponent
terminal.
2. Connect oscilloscope to TP821
(IC803, pin7, G output).
1. From SG, input the 100% white colour
bar signal of PAL into conponent
terminal.
2. Connect oscilloscope to TP820
(IC803, pin8, B output).
1. From SG, input the 100% white colour
bar signal of PAL into conponent
terminal.
2. Connect the oscilloscope to TP820
(B output).
1. From SG, input the 100% white colour
bar signal of PAL into conponent
terminal.
2. Connect the oscilloscope to TP820
(B output).
16
Adjust DVD PAL BRIGHTNESS, and
adjust the black level of G output so
as to get DC 1.5+0.05V.
Adjust DVD PAL UNICOLOR, and
adjust so as to get 100% white-
black level video component equal
to 2.340.05Vp-p.
Adjust DVD PAL COLOR so as to get
the colour bar signal blue amplitude
(black level - peak level) equal to
2.8V+0.05Vp-p.
Adjust DVD PAL TINT so as to get
the colour bar signal magenta amplitude
(black level - peak level) equal to
2.3V+0.05Vp-p.