LC-37GA5E (serv.man4). Service Adjustments - Sharp TV Service Manual (repair manual). Page 3

Use the up/down arrows imprinted on the ring of
the R/C to select a line/term in the menu.
Confirm 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.
Confirm the selection with OK this will take you to
the next menu.

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

Use the up / down arrows to select a term in the
menu.
Confirm the selection with OK.

VCT Menu
To adjust parameters of VCT IC.

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

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)
appears:

Sharp VX_XX  (XX)
PxW_XXX   LCD_verXXX (XX)

Sharp VX_XX  (XX)
PxW_XXX   LCD_verXXX (XX)

Sharp VX_XX  (XX)
PxW_XXX   LCD_verXXX (XX)