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By using the four coloured buttons on the remote control (24, 23, 13, 14) different features or adjust may be
accessed.

14.3.1 AVL
Press the RED button (23) to activate or deactivate the AVL (Automatic Volume Level, between different broadcast
channels).

                                                               

14.3.2 GEOMETRY MENU
Press the GREEN button (24) in order to change from the Main Service Menu to the Geometry Menu, as shows
the figure 7. To return to the Main Service Menu it should be pressed the Menu button (30), see Figure 5.

                         

       

In the bottom area of this Menu, it can be seen “AUTO”. By pressing the WIDE MODE button (8) it changes to 4:3
or 16:9 format. To perform the Geometry adjustments select the most suitable option:

- AUTO, entering 4:3 or 16:9 signal and proceeding with adjustments as below.
- 4:3, entering 4:3 signal and proceeding with adjustments as below.
- 16:9, entering 16:9 signal and proceeding with adjustments as below.

    

Vertical Size 

35 62 24 50 

Vertical Position 

11 16 12 16 

Not used 

14 14 14 14 

Not used 

7 7 7 7 

Not used 

10 9 30 11 

Horizontal Position 

33 33 40 39 

Not used 

19 15 27 15 

Not used 

0 0 0 0 

Not used 

10 10  3  10 

Not used 

3 2 7 2 

Adjust the Vertical Size so that 8% over-scan is achieved.
The effect of this adjustment is shown in figure 9.

• 

 Use the CURSOR LEFT (32) / RIGHT (3) buttons to change the data.

   See figure 5.

Adjust the Vertical Position so that the picture is centred.
The effect of this adjustment is shown in figure 10.

• 

 Use the CURSOR LEFT (32) / RIGHT (3) buttons to change the data.

   See figure 5.

Adjust the Horizontal Position so that the picture is centred.
The effect of this adjustment is shown in figure 11.

• 

 Use the CURSOR LEFT (32) / RIGHT (3) buttons to change the data.

   See figure 5

.

14.3.3 Screen Adjustment
Press the YELLOW button (13) in order to prepare the system for screen-adjustments (Vertical Scan disable).
Adjust horizontal line, via screen potentiometer, as thin as possible. To return to the Main Service Menu it should
be pressed the Menu button (30).

                           

 
 

 

Select IF1, IF2, IF3 or IF4. When the blue button (14) is pressed the before selected IF register is automatically
adjusted.

In case the TV set should be serviced, there is the possibility of returning the set with the A.P.S. (Auto Programming
System) activated in order to make easy the first start up to the customer. See the below figure.
If this Feature is activated the Picture and Sound Menus will be automatically memorized to the default values.

It is necessary let the TV set in the program number that will appear for the first time, because the A.P.S does not
preset this selection.

3.1 Enter the Service Mode. See Page 23.
3.2 Access to TXT1 Register by CURSOR UP / DOWN.
3.3 Press 7 button on the remote control in order to activate the Auto Programming System.
3.4 Exit the Service Mode by the Menu button (30).
3.5 Switch the TV off using the mains switch.

                                             

AK30 PLL TUNER SETTINGS

156,25 MHz  441,25 MHz 

00001100

00110010

00011110

00000010

00000001

00000010

00000100

10001110

114,25 MHz  401,25 MHz 

00001001

10010010

00011011

10000010

00000011

00000110

10000101

10001110

170,25 MHz  465,25 MHz

00001101

00010010

00011111

10000010

00000001

00000010

00000100

10001110

170,25 MHz  449,25 MHz 

00001101

00010010

00011110

10000010

00000001

00000010

00001000

10001110

142,25 MHz  425,25 MHz 

00001011

01010010

00011101

00000010

00000001

00000010

00001000

10001110

149,25 MHz  424,25 MHz 

00001011

11000010

00011100

11110010

00000001

00000010

00001000

10001110

                      

F1H

High byte of VHF1-VHF3 cross-over frequency

F1L

Low byte of VHF1-VHF3 cross-over frequency

F2H

High byte of VHF3-UHF cross-over frequency

F2L

Low byte of VHF3-UHF cross-over frequency

BS1

Band switching byte for VHF1

BS2

Band switching byte for VHF3

BS3

Band switching byte for UHF

CB

Control byte

15.2 Registers Details

 

7 

              NOT USED 

 

6       1, 

Display 

“AV-3” 

as 

“F-AV” 

0, Display “AV-3” as “B-AV” 

 

  5           1, Turn back TV mode after the last AV (with AV key) 

0, Turn back first AV mode after the last AV 

 

    4         1, SVHS is available in AV key stream 

0, SVHS is NOT available in AV key stream 

 

      3        1, RGB is available in AV key stream 

0, RGB is NOT available in AV key stream 

 

        2     1, AV-3 is available in AV key stream 

0, AV-3 is NOT available in AV key stream 

 

          1   1, AV-2 is available in AV key stream 

0, AV-2 is NOT available in AV key stream 

 

            0 0 1, AV-1 is available in AV key stream 

0, AV-1 is NOT available in AV key stream 

 

 
7         1, 

3-button 

keyboard 

(V-, 

P+, 

V+) 

0, 4/5 button keyboard (V-, V+, P-, P+, Menu) 

  6 

      1, 

L/L’ 

is 

available 

0, L/L’ is not available 

   5 

     1, 

I 

is 

available 

0, I is not available 

    4 

    1, 

DK 

is 

available 

0, DK is not available 

     3 

   1, 

BG 

is 

available 

0, BG is not available 

  

 

 

 

2 

 

 1  0 RESERVED (Keep as 000) 

 
 

 

7 

6       Xtal 

Configuration 

00, 1 Xtal PAL 4.43 
01, 2 Xtal PAL/NTSC 4.43/3.58 
10, 1 Xtal PAL/SEC/NTSC 4.43 
11, 2 Xtal PAL/SEC/NTSC 4.43/3.58 

 

 

5            1, Enable Blue back when no signal in AV modes 

0, No blue back in AV modes 

 

 

  4          1, White Insertion is ON 

0, White Insertion is OFF 

 

 

    3        1, Blue Background when no signal 

0, Disable Blue Background 

 

 

      2      1, Semi-transparent background for menu 

0, Solid Menu background for menu 

 

 

        1    1, Black Stretch is ON 

0, Black Stretch is OFF 

 

       0 1, 

APR 

is 

ON 

0, APR is OFF