37GT-25S
"COLOUR ADJUSTMENT PROCEDURES
1. Y-DLY
a) Receive Philips pattern signal.
b) When ' button is pressed, luma phase delays.
c) When ( button is pressed, chroma phase delays.
d) Adjust the chroma-luma delay.
2. ?B-GAIN?, ?G-GAIN?, ?R-GAIN?
a) Adjust G2.
b) Tune a white pattern
c) Adjust colour to minimum.
d) Position colourmeter in the center of screen.
e) Using brightness and contrast buttons, select a luminance of H120 nits.
f) Operate again in Service Mode and select location R-GAIN and B-GAIN
to obtain colour coordinates:
X = 0.290 ? 0.015
Y = 0.300 ? 0.015
g) Exit Service Mode and check colour coordinates ?X? and ?Y? at 20 and 120 nits. It may be
necessary to repeat the same procedure or re-adjust the cuts as show the be below one.
NOTE: Locations ?R? alter ?X? coordinates; ?G? alter ?Y? coordinates; ?B? alter ?X? and ?Y? coordinates.
MEMO
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ACEC
