Saturday, August 18, 2012

FISHER NAKOI COLUMBIA PC R202R2 PC R20R2 - SERVICE MODE



TO ENTER SERVICE MODE [FACTORY MODE]
  • Press [Menu => Q-View => Mute] keys in sequence by the remote control
  • The service mode window will be displayed.
  • To call an item to adjust, use [Ch+ / Ch -] button on the remote control
  • To adjust the data value to selected item, use [Vol+ / Vol-] button on the remote control.
  • To "Exit" Service mode, press "Menu" button on the remote control.
ICs used:
LA76814 / LA76810 => VIDEO CHROMA JUNGLE.
LC 863224A-5V23 = MAIN SYSTEM CONTROL
LA 4285 => AUDIO OUTPUT
HEF 4053BP * 2 => AV-1 / AV-2 SWITCHING.
LA 7840 => VERTICAL DEFLECTION OUTPUT
STR G6653 => POWER SWITCHING
TLP 621 => PHOTO-COUPLER
+B VOLTAGE => +110V.
AC INPUT => 220V 50Hz