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Use the up/down arrows imprinted on the ring of the 
R/C to select a line/term in the menu.
Confi rm the selection with 

OK this will take you to 

the next menu.

Press END button to exit of Service Menu.

If you select the VIDEO option the next On Screen Display appear:

Use the up/down arrows to select a term in the 
menu.
Confi rm the selection with 

OK this will take you to 

the next menu. 

Pressing END button the OSD returns to  the 
previous  menu.

Use the up / down arrows to select a term in the 
menu.
Confi rm the selection with 

COLOUR OSC is adjusting automatically when 
is selected.

VCT Menu
To adjust parameters of VCT IC.

Pressing END button the OSD returns to  the 
previous  menu.

Autoinstallation.

The Service Mode is provided to enable the engineer to correctly set up the receiver.
Note that the value of these adjustments may vary from one receiver to another.
Before enter the Service Mode , make factory settings and put the TV in “Dynamic Mode” (Image Mode).

To enter the Service Mode, carry out the following procedure.
1. Connect a test pattern to the antenna terminal.
2. Tune the receiver to this signal.
3. Turn the receiver off using the mains switch.
4. Press volume down and channel up buttons on the top of the receiver at the same time.
5. Keeping these buttons pressed, turn the mains on.
6. Keep pressed the volume down and channel up buttons until the Service Mode  On Screen Display (OSD) ap-
pears:

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

OSD Menu
It allows to change to the brightness and the contrast of the On Screen Display.

Use the up / down arrows to select a term in the 
menu.
Confi rm the selection with 

Use the left / right arrows to change between pa-
rameters.
Use the up / down arrows to change parameters.

Press END button to return to the previous menu.

IF Menu
Intermediate frequency AGC  adjustment. To adjust this item 

tuning the TV in follow conditions:

- Channel 

12

- 

RF level: 60 dB/uV

- 

Pattern: Colour bar

Use the up / down arrows to select a term in the 
menu.
Confi rm the selection with 

Use the up / down arrows to change pattern.

Press END button to return to the previous menu.

PATTERN VCT: Contains internal adjusting patterns for VCT IC.
OPTIONS: Changes of colour standards for the patterns. (0,1,2,3)

Use the up / down arrows to select a term in the 
menu.
Confi rm the selection with 

Change between ON/OFF option.

Press END button to return to the previous menu.

Confi rm the selection with 

Use the up / down arrows to select between ON/
OFF (It are blinking).

Press END button to return to the previous menu.

AGC: is adjusting automatically when ON is selected.
The next OSD appear:

ADJ  OK!  

 

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

RF-AGC: is adjusting automatically when ON is se-
lected

The next OSD appear:

ADJ  OK!   

VIDEO-AGC Menu
Input 1,2,or 3 video input terminal PAL, colour bar with 115% of white.

ADJ  OK !  

 

Use the up / down arrows to select a term in the 
menu.
Confi rm the selection with 

Use the left / right arrows to move between the  
parameters.
Use the up / down arrows to change the values.
Confi rm the selection with 

Press END button to return to the previous menu.

CTI: 

 

Chroma Transient Improvement

LTI: 

 

Luminance Transient Improvement

DCI: 

 

Dynamic Contrast Improvement

BKSH:   

Black Stretcher

PATTERN: 

Contains internal adjusting patterns for FRC IC.

Use the up / down arrows to select a term in the 
menu.
Confi rm the selection with 

Use the up / down arrows to change between ON 
/ OFF options.
Confi rm the selection with 

Pressing END button the OSD returns to  the previ-
ous  menu.

White Balance Menu (It is recomended do not modify)
To adjust the Back Ground (BKGD) of TV. 

FRC Menu
To adjust FRC IC. These parameters are adjusted and saved automatically when the ON option is selected.

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

Colour OSC Menu
To adjust the colour sub-carrier with local oscillator (Adjust for PAL signals). 

Input 1, 2 or 3 video input terminal PAL 

colour bar. 

The Colour OSC is adjusted automatically when option ON is selected.

When COLOUR OSC is adjusted the next OSD appear:

At TV will appear the factory adjust values.

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

Use the up / down arrows to select a term in the 
menu.
Confi rm the selection with 

Use the left / right arrows to move between the  
parameters.
Use the up / down arrows to change the values.
Confi rm the selection with 

Press END button to return to the previous menu.

Press END button to return to the previous menu.

Use the up / down arrows to select a term in the 
menu.
Confi rm the selection with 

Press END button to return to the previous menu.

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

GA6  VX.XX  ExpX
PxW Exp X.X LCD VXX

Use the up / down arrows to select a term in the 
menu.
Confi rm the selection with 

Use the left / right arrows to move between the  
parameters.
Confi rm the selection with 

CONT MIN:Fine adjust of minimum contrast.
CONT MAX:  Fine adjust of maximum contrast.
BRI MIN: Fine adjust of minimum brightness.
BRI MAX: Fine adjust of maximum brightness.
COL MIN: Fine adjust of minimum colour.
COL MAX: Fine adjust of maximum colour.

Fine Adjust Menu
This menu allows to adjust of more precise way the contrast, brightness and colour items. (AtTV will appear the 
factory adjust values)

Subadjust Menu
With a grey scale (11 bars) adjust the subbrightness and subcontrast. This way the picture will be not saturated in the  
end of white and the end of black.

Adjustment
Put backlight at 8 and Contrast at 40.
Increase subcontrast until the second last bar (white 90%) becomes white (100%).
Decrease subcontrast until the penultimate bar (White 90%) becomes visible.

Press END button to return to the previous menu.

Use the up / down arrows to select a term in the 
menu.
Confi rm the selection with 

Use the left / right arrows to move between the  
parameters.
Confi rm the selection with 

At  TV  will appear the factory adjust values.

SUBCONTRAST: Fine adjust of contrast in order to sharpen the adjust the end of white.
SUBRIGHTNESS: Fine adjust of brightness in order to sharpen the adjust the end of black.