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HORIZONT

( change) the value of the "exact
Settings " from the center point to the same value (one) and
then return back to the central
point ( 2 small vertical lines in the scale shown in
central point). Remember channel
choose Save and pressing the "OK" button .
Enter the service menu and press the blue button on the remote control .
Check the PVC38, it should be 07. Adjust
LC101 coil thus
to view a value of " OK ."
Click the "OK" button on the remote control .
Exit the service menu.
Note - PVF38 is designed for fine tuning. Yet
less , it is automatically
set when the "OK" button is pressed while selecting PVC38.
Thus no manual
adjustment is not required.
2.1.2 SECAM L / L '
They do not require adjustment. PVC33 and PVF33 will
reserved SECAM L / L '.
2.2 Adjustment of AGC
Apply a signal with an amplitude of 65 1 dBmV to the antenna input
TV is a television
The test generator ( sound carrier OFF and ON Video Ext).
Enter the service menu and press the red button on the remote control .
Press "P + " / " P " find AGC .
Measure using an oscilloscope amplitude sinusoidal
38.9 MHz signal at pin 11
(IF2) tuner.
Change the value to the value of the AGC 640 20 mVpp.
Add 5 to the value of the AGC (AGC) , and change 2.AGC to this
value.
Exit the service menu.
2.3 Adjustment of the accelerating voltage
Enter the service menu and press the yellow button on the remote control .
Select the menu SCRN. Apply a " color bars " at the entrance
TV.
Adjust the picture tube for 14 " ( 37cm ) to adjust
accelerating voltage potentiometer
TDKS on voltage applied to the resistor R727 ( which
connected to the cathode
tube ) to ground equal to 139 3VDC.
Adjust the picture tubes for 20-21 "(51 - 54cm ) : Adjust
potentiometer accelerating
voltage TDKS voltage applied to the resistor R727
(which is connected to
cathode tube ) to ground equal to 164 3VDC. ( For
kinescopes 20 " Ekranas firm value
adjustment should be 154 3VDC).
Exit the service menu.
3
2.4 Adjusting the white balance
Apply a " white box " with a television test


 
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