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AGC Adjustment (Tuner built-in Model for Asia only)
Adjustment Preparations
(1)
Turn on the set and
perform pre-heat run
more than 20 min.
(2)
Receive AGC adjustment
signal.
Internal : (175.25MHz)
PAL B/G PHILIPS
Field : -50dBm
Adjustment Procedures
(1)
Receive AGC adjustment signal.
Indicate Service adjustment menu.
(2)
Display the following signals at the
same time.
Service adjustment No.289
(AGC adjustment)
No.291 (AGC Input)
(3)
Raise No.289 data value until
No.291 data is saturated
(This point: AGC-MAX)
(4)
With monitoring No.291 reduce
No.289 data value and press [OK]
key at the point when No.291 data
comes down.
AGC Voltage
AGC Max
AGC Adjust Point
AGC Point
46
2
Adj. point
I
C
Remarks
No.289(AGC Adjustment)
: AGC Adjustment control
No.291(AGC Input):
AGC Voltage Data
Default Settings
No.289:" 50"
No.291 AGC Voltage:
Saturation level
PW1A
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