Sharp LC-28HM2U Service Manual page 29

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(3) PAL signal adjustment (Adjustment item appearing on the 1st line of page 1 is described as P1L1.)
Adjusting point
1
Color system setting
2
PAL BRIGHT
adjustment
If N358 adjustment item
No. 3 "BRIGHT adjustment
value copy" has already
been done, this item can
be omitted.
3
PAL CONTRAST
adjustment
4
PAL R DRIVE
adjustment
Adjusting conditions
1. Feed the PAL video signal.
1. Feed the color bar signal
carrying PAL composite
100% white and 0% white
(pedestal black).
(Example)
1. Feed the color bar signal
carrying PAL composite
100% white and 0% white
(pedestal black).
1. Feed the color bar signal
carrying PAL composite
100% white and 0% white
(pedestal black).
29
Adjusting procedure
1. If "PAL" is not found in the last part of the 1st line,
press [ 5 ] key of the remote controller to switch to
"PAL".
1. Adjust (P3L1) C PAL BRIGHT, so that the pedestal
black portion has the largest green area. If there is
no change against lowering the value, it is likely that
the adjustment point ("a" in the figure below) is
deviated from the correct point. In this case, once try
to increase the adjustment value.
Green level
a
Adjust to this point
1. Adjust (P3L2) C PAL CONTRAST, so that the 100%
white portion has the largest green area.
The portion referred to here
1. Adjust (P3L3) C PAL R DRIVE, so that the 100%
white portion has the largest red area.
The portion referred to here
LC-28HM2
AN-28SP2
Adjustment value
The portion
referred to here
(Outside of the
right frame)

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