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4.
White balance
Note:
The cut point doesn't need adjustment, because it's automatically made by the
IC501.
The white adjustment is already pre-adjusted and incised in the IC501 and,
thus, its adjustment is not necessary.
Otherwise, if it is necessary to change the temperature of the white pattern, proceed in the following way:
a) Enter in the service mode.
b) Select via CH
or CH
the WPR (09), WPG (10) and WPB (11) functions.
c) Increase or decrease the function via VOL
5.
Screen adjustment
a) Select the register 41 (Scr).
b) Press
VOL
to access and adjust the screen control localized on the FBT, until the horizontal line
be slightly visible on the screen center.
6.
AGC adjustment
a) Select the regiter12 (AGC)
Apply
a PHILIPS pattern with 60dB V of intensity and adjust the delay until obtain 3.5V in
AGC pin of tuner.
or via
VOL respectively.
37
38
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