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software. See the IF indicator on service menu, it must be like on FIGURE-1 shown
belove.
IF POSITIVE ADJUSTMENT (WITH L’ SYSTEMS)
Set the video pattern to a SECAM-L colour bar pattern with frequency 33.9 MHz. Apply
this IF signal to PIN-10 and PIN-11 of tuner. Press PROG-1 and after that BLUE
(INSTALL)button from remote controller. Select the BAND VHF-1 (S1 – S4 for PLL
tuners) and standard as L’. Enter service menu. Select IF1 parameter from service menu
and press BLUE (INSTALL) button from remote controller. IF adjustment will be done
automatically by software. See the IF indicator on service menu, it must be like on
FIGURE-1 shown below.
AGC: Automatic Gain Control
In order to do AGC adjustment, enter a
60µdBV
RF signal level from channel C-12
(224.25 MHz) Select AGC parameter from service menu. Press BLUE (INSTALL)
button from remote controller. The adjustment will be done automatically by software.
See the AGC indicator on service menu, it must be 1. Check that picture is normal at
90dBµV signal level.
FIGURE-1
:
1
1
IF INDICATOR
AGC INDICATOR
NONE
