Toshiba 21V53 Manuale di servizio - Pagina 2
Sfoglia online o scarica il pdf Manuale di servizio per TV Toshiba 21V53. Toshiba 21V53 15.
Stampa la paginaENTERING TO SERVICE MENU:
In order to enter service menu, first enter the main menu and then press the digits 4, 7, 2
and 5 respectively.
To select adjust parameters, use or buttons. To change the selected parameter, use or
buttons. Selected parameter will be highlighted.
Entire service menu parameters of AK30 CHASSIS are listed below. For some of
parameters the default values are given on the same table.
USING COLOUR BUTTONS ON SERVICE MENU:
RED BUTTON (For Stereo models only): It switches the AVL to ON or OFF
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mode on service menu. AVL word is visible on service menu when AVL is on.
GREEN BUTTON : It switched the PICTURE MODE to 4:3 or 16:9 on service
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menu. It is useful when it is necessary to adjust 16:9 picture mode vertical size.
YELLOW BUTTON : It switches to VERTICAL SCAN DISABLE mode. It is
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useful to adjust screen voltage.
BLUE BUTTON : It is used to adjust AGC and IF automatically on service menu.
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OSD:
Select OSD parameter on service menu. Adjust the horizontal position of OSD to the
middle of screen, by using the reference bar on bottom of service menu.
Min. Value:
Max. Value:
Recommended Value:082
IF Adjustments:
IF1:
IF Coarse Adjustment
IF2:
IF Fine Adjustment
IF3:
IF Coarse Adjustment for L-prime
IF4:
IF Fine Adjustment for L-prime
IF NEGATIVE ADJUSTMENT (WITHOUT L' SYSTEMS)
Set the video pattern to a PAL colour bar pattern with frequency 38.9 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 standard as BG or I. (if BG is not
available) Enter service menu. Select IF1 parameter from service menu and press BLUE
(INSTALL) button from remote controller. IF adjustment will be done automatically by
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