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Daewoo DTC-21Y1/21Y2 User Manual

Page 16

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CP-520/520A/520F Service Manual

DTV R&D Europe

15

HOR WIDTH

adjust for 93% overscan.

PARABOLA

CORNER B & CORNER T

EW TRAPEZ

3.7.7 AGC

- Make sure option bits are correct for the tuner fitted on the chassis (See above how to change
option bits).
- Adjust the antenna signal level at 62 dB

µ

V

- Tune a colour bar pattern.
- Find the “AGC” item in service mode.
- Press the key “OK” on the remote keypad and wait until AGC level stabilise to the optimum
value.
- Alternatively, use “Vol Up/Dwn” keys to adjust manually to the desired Tuner Take Over Point
(TOP).