Friday, June 08, 2012

HOW TO ENTER SERVICE MODE TO JVC-AV27D502 TV


TO ENTER SERVICE MENU MODE
To enter service mode, press 'Sleep Timer" key, while the indication of "Sleep Timer [0] Min.
Press "Display key & Video Status key" on the remote control unit simultaneously  to enter service menu screen [1].
SERVICE MENU SCREEN SELECTION
Press UP/DN key of the Menu to select any of the following items.
[The letters of the selected item is displayed in yellow]
  1. Picture
  2. Theater
  3. PIP
  4. Low light
  5. RF AFC 1
  6. TU2 VCO
  7. sound
  8. Others
  9. High light
  10. RF AFC 2
  11. I '2'C bus control.
TO ADJUST DATA VALUE
Picture, Sound and Others Mode
  • If select any of PICTURE, SOUND or OTHERS items, and the 'Left' & 'Right' key is pressed from Service Menu [Main Menu], an other screen will be displayed.
  • Then the UP/DN key is pressed, an other picture mode screen will be displayed or sound mode screen or other mode screen is displayed, and  PICTURE, SOUND or OTHERS setting can be performed.
PIP MODE
  • If select in PIP item, and 'left/right' key is pressed, from Service Menu [Main Menu], an other screen will be displayed.  
  • Then 'Up/Dn' key is pressed, an other 'PIP' mode screen will be displayed. The PIP setting can be performed. 
THEATER, LOW-LIGHT, HIGH-LIGHT, RF AFC-1, RF AFC-2, TU2, VCO & I 2C BUS CTRL ITEMS.
  • If select any of the above items, and the LEFT/RIGHT key is pressed, more and more screens will be displayed, and setting verifications can be performed.
TO EXIT FROM SERVICE MENU MODE
After all adjustment has been done, Press EXIT key to exit from Service Mode.
  The settings for LOW LIGHT and HIGH LIGHT are white balance adjustments.